electron api sendInputEvent 源码
electron-master\electron-master\shell\browser\api\atom_api_web_contents.cc
// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file. #include "shell/browser/api/atom_api_web_contents.h" #include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector> #include "base/message_loop/message_loop_current.h"
#include "base/no_destructor.h"
#include "base/optional.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ssl/security_state_tab_helper.h"
#include "content/browser/frame_host/frame_tree_node.h" // nogncheck
#include "content/browser/frame_host/render_frame_host_manager.h" // nogncheck
#include "content/browser/renderer_host/render_widget_host_impl.h" // nogncheck
#include "content/browser/renderer_host/render_widget_host_view_base.h" // nogncheck
#include "content/common/widget_messages.h"
#include "content/public/browser/child_process_security_policy.h"
#include "content/public/browser/download_request_utils.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/service_worker_context.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/context_menu_params.h"
#include "electron/buildflags/buildflags.h"
#include "electron/shell/common/api/api.mojom.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "ppapi/buildflags/buildflags.h"
#include "shell/browser/api/atom_api_browser_window.h"
#include "shell/browser/api/atom_api_debugger.h"
#include "shell/browser/api/atom_api_session.h"
#include "shell/browser/atom_autofill_driver_factory.h"
#include "shell/browser/atom_browser_client.h"
#include "shell/browser/atom_browser_context.h"
#include "shell/browser/atom_browser_main_parts.h"
#include "shell/browser/atom_javascript_dialog_manager.h"
#include "shell/browser/atom_navigation_throttle.h"
#include "shell/browser/browser.h"
#include "shell/browser/child_web_contents_tracker.h"
#include "shell/browser/lib/bluetooth_chooser.h"
#include "shell/browser/native_window.h"
#include "shell/browser/session_preferences.h"
#include "shell/browser/ui/drag_util.h"
#include "shell/browser/ui/inspectable_web_contents.h"
#include "shell/browser/ui/inspectable_web_contents_view.h"
#include "shell/browser/web_contents_permission_helper.h"
#include "shell/browser/web_contents_preferences.h"
#include "shell/browser/web_contents_zoom_controller.h"
#include "shell/browser/web_view_guest_delegate.h"
#include "shell/common/api/atom_api_native_image.h"
#include "shell/common/color_util.h"
#include "shell/common/gin_converters/blink_converter.h"
#include "shell/common/gin_converters/callback_converter.h"
#include "shell/common/gin_converters/content_converter.h"
#include "shell/common/gin_converters/file_path_converter.h"
#include "shell/common/gin_converters/gfx_converter.h"
#include "shell/common/gin_converters/gurl_converter.h"
#include "shell/common/gin_converters/image_converter.h"
#include "shell/common/gin_converters/net_converter.h"
#include "shell/common/gin_converters/value_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "shell/common/gin_helper/object_template_builder.h"
#include "shell/common/mouse_util.h"
#include "shell/common/node_includes.h"
#include "shell/common/options_switches.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/common/page/page_zoom.h"
#include "third_party/blink/public/mojom/frame/find_in_page.mojom.h"
#include "third_party/blink/public/mojom/frame/fullscreen.mojom.h"
#include "third_party/blink/public/platform/web_cursor_info.h"
#include "third_party/blink/public/platform/web_input_event.h"
#include "ui/display/screen.h"
#include "ui/events/base_event_utils.h" #if BUILDFLAG(ENABLE_OSR)
#include "shell/browser/osr/osr_render_widget_host_view.h"
#include "shell/browser/osr/osr_web_contents_view.h"
#endif #if !defined(OS_MACOSX)
#include "ui/aura/window.h"
#else
#include "ui/base/cocoa/defaults_utils.h"
#endif #if defined(OS_LINUX)
#include "ui/views/linux_ui/linux_ui.h"
#endif #if defined(OS_LINUX) || defined(OS_WIN)
#include "third_party/blink/public/mojom/renderer_preferences.mojom.h"
#include "ui/gfx/font_render_params.h"
#endif #if BUILDFLAG(ENABLE_PRINTING)
#include "chrome/browser/printing/print_view_manager_basic.h"
#include "components/printing/common/print_messages.h"
#endif #if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
#include "shell/browser/extensions/atom_extension_web_contents_observer.h"
#endif namespace gin { #if BUILDFLAG(ENABLE_PRINTING)
template <>
struct Converter<printing::PrinterBasicInfo> {
static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
const printing::PrinterBasicInfo& val) {
gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
dict.Set("name", val.printer_name);
dict.Set("displayName", val.display_name);
dict.Set("description", val.printer_description);
dict.Set("status", val.printer_status);
dict.Set("isDefault", val.is_default ? true : false);
dict.Set("options", val.options);
return dict.GetHandle();
}
}; template <>
struct Converter<printing::MarginType> {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
printing::MarginType* out) {
std::string type;
if (ConvertFromV8(isolate, val, &type)) {
if (type == "default") {
*out = printing::DEFAULT_MARGINS;
return true;
}
if (type == "none") {
*out = printing::NO_MARGINS;
return true;
}
if (type == "printableArea") {
*out = printing::PRINTABLE_AREA_MARGINS;
return true;
}
if (type == "custom") {
*out = printing::CUSTOM_MARGINS;
return true;
}
}
return false;
}
}; template <>
struct Converter<printing::DuplexMode> {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
printing::DuplexMode* out) {
std::string mode;
if (ConvertFromV8(isolate, val, &mode)) {
if (mode == "simplex") {
*out = printing::SIMPLEX;
return true;
}
if (mode == "longEdge") {
*out = printing::LONG_EDGE;
return true;
}
if (mode == "shortEdge") {
*out = printing::SHORT_EDGE;
return true;
}
}
return false;
}
}; #endif template <>
struct Converter<WindowOpenDisposition> {
static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
WindowOpenDisposition val) {
std::string disposition = "other";
switch (val) {
case WindowOpenDisposition::CURRENT_TAB:
disposition = "default";
break;
case WindowOpenDisposition::NEW_FOREGROUND_TAB:
disposition = "foreground-tab";
break;
case WindowOpenDisposition::NEW_BACKGROUND_TAB:
disposition = "background-tab";
break;
case WindowOpenDisposition::NEW_POPUP:
case WindowOpenDisposition::NEW_WINDOW:
disposition = "new-window";
break;
case WindowOpenDisposition::SAVE_TO_DISK:
disposition = "save-to-disk";
break;
default:
break;
}
return gin::ConvertToV8(isolate, disposition);
}
}; template <>
struct Converter<content::SavePageType> {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
content::SavePageType* out) {
std::string save_type;
if (!ConvertFromV8(isolate, val, &save_type))
return false;
save_type = base::ToLowerASCII(save_type);
if (save_type == "htmlonly") {
*out = content::SAVE_PAGE_TYPE_AS_ONLY_HTML;
} else if (save_type == "htmlcomplete") {
*out = content::SAVE_PAGE_TYPE_AS_COMPLETE_HTML;
} else if (save_type == "mhtml") {
*out = content::SAVE_PAGE_TYPE_AS_MHTML;
} else {
return false;
}
return true;
}
}; template <>
struct Converter<electron::api::WebContents::Type> {
static v8::Local<v8::Value> ToV8(v8::Isolate* isolate,
electron::api::WebContents::Type val) {
using Type = electron::api::WebContents::Type;
std::string type;
switch (val) {
case Type::BACKGROUND_PAGE:
type = "backgroundPage";
break;
case Type::BROWSER_WINDOW:
type = "window";
break;
case Type::BROWSER_VIEW:
type = "browserView";
break;
case Type::REMOTE:
type = "remote";
break;
case Type::WEB_VIEW:
type = "webview";
break;
case Type::OFF_SCREEN:
type = "offscreen";
break;
default:
break;
}
return gin::ConvertToV8(isolate, type);
} static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
electron::api::WebContents::Type* out) {
using Type = electron::api::WebContents::Type;
std::string type;
if (!ConvertFromV8(isolate, val, &type))
return false;
if (type == "backgroundPage") {
*out = Type::BACKGROUND_PAGE;
} else if (type == "browserView") {
*out = Type::BROWSER_VIEW;
} else if (type == "webview") {
*out = Type::WEB_VIEW;
#if BUILDFLAG(ENABLE_OSR)
} else if (type == "offscreen") {
*out = Type::OFF_SCREEN;
#endif
} else {
return false;
}
return true;
}
}; template <>
struct Converter<scoped_refptr<content::DevToolsAgentHost>> {
static v8::Local<v8::Value> ToV8(
v8::Isolate* isolate,
const scoped_refptr<content::DevToolsAgentHost>& val) {
gin_helper::Dictionary dict(isolate, v8::Object::New(isolate));
dict.Set("id", val->GetId());
dict.Set("url", val->GetURL().spec());
return dict.GetHandle();
}
}; } // namespace gin namespace electron { namespace api { namespace { // Called when CapturePage is done.
void OnCapturePageDone(gin_helper::Promise<gfx::Image> promise,
const SkBitmap& bitmap) {
// Hack to enable transparency in captured image
promise.Resolve(gfx::Image::CreateFrom1xBitmap(bitmap));
} base::Optional<base::TimeDelta> GetCursorBlinkInterval() {
#if defined(OS_MACOSX)
base::TimeDelta interval;
if (ui::TextInsertionCaretBlinkPeriod(&interval))
return interval;
#elif defined(OS_LINUX)
if (auto* linux_ui = views::LinuxUI::instance())
return linux_ui->GetCursorBlinkInterval();
#elif defined(OS_WIN)
const auto system_msec = ::GetCaretBlinkTime();
if (system_msec != ) {
return (system_msec == INFINITE)
? base::TimeDelta()
: base::TimeDelta::FromMilliseconds(system_msec);
}
#endif
return base::nullopt;
} } // namespace WebContents::WebContents(v8::Isolate* isolate,
content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
type_(Type::REMOTE),
weak_factory_(this) {
web_contents->SetUserAgentOverride(GetBrowserContext()->GetUserAgent(),
false);
Init(isolate);
AttachAsUserData(web_contents);
InitZoomController(web_contents, gin::Dictionary::CreateEmpty(isolate));
registry_.AddInterface(base::BindRepeating(&WebContents::BindElectronBrowser,
base::Unretained(this)));
bindings_.set_connection_error_handler(base::BindRepeating(
&WebContents::OnElectronBrowserConnectionError, base::Unretained(this)));
} WebContents::WebContents(v8::Isolate* isolate,
std::unique_ptr<content::WebContents> web_contents,
Type type)
: content::WebContentsObserver(web_contents.get()),
type_(type),
weak_factory_(this) {
DCHECK(type != Type::REMOTE)
<< "Can't take ownership of a remote WebContents";
auto session = Session::CreateFrom(isolate, GetBrowserContext());
session_.Reset(isolate, session.ToV8());
InitWithSessionAndOptions(isolate, std::move(web_contents), session,
gin::Dictionary::CreateEmpty(isolate));
} WebContents::WebContents(v8::Isolate* isolate,
const gin_helper::Dictionary& options)
: weak_factory_(this) {
// Read options.
options.Get("backgroundThrottling", &background_throttling_); // Get type
options.Get("type", &type_); #if BUILDFLAG(ENABLE_OSR)
bool b = false;
if (options.Get(options::kOffscreen, &b) && b)
type_ = Type::OFF_SCREEN;
#endif // Init embedder earlier
options.Get("embedder", &embedder_); // Whether to enable DevTools.
options.Get("devTools", &enable_devtools_); // BrowserViews are not attached to a window initially so they should start
// off as hidden. This is also important for compositor recycling. See:
// https://github.com/electron/electron/pull/21372
bool initially_shown = type_ != Type::BROWSER_VIEW;
options.Get(options::kShow, &initially_shown); // Obtain the session.
std::string partition;
gin::Handle<api::Session> session;
if (options.Get("session", &session) && !session.IsEmpty()) {
} else if (options.Get("partition", &partition)) {
session = Session::FromPartition(isolate, partition);
} else {
// Use the default session if not specified.
session = Session::FromPartition(isolate, "");
}
session_.Reset(isolate, session.ToV8()); std::unique_ptr<content::WebContents> web_contents;
if (IsGuest()) {
scoped_refptr<content::SiteInstance> site_instance =
content::SiteInstance::CreateForURL(session->browser_context(),
GURL("chrome-guest://fake-host"));
content::WebContents::CreateParams params(session->browser_context(),
site_instance);
guest_delegate_ =
std::make_unique<WebViewGuestDelegate>(embedder_->web_contents(), this);
params.guest_delegate = guest_delegate_.get(); #if BUILDFLAG(ENABLE_OSR)
if (embedder_ && embedder_->IsOffScreen()) {
auto* view = new OffScreenWebContentsView(
false,
base::BindRepeating(&WebContents::OnPaint, base::Unretained(this)));
params.view = view;
params.delegate_view = view; web_contents = content::WebContents::Create(params);
view->SetWebContents(web_contents.get());
} else {
#endif
web_contents = content::WebContents::Create(params);
#if BUILDFLAG(ENABLE_OSR)
}
} else if (IsOffScreen()) {
bool transparent = false;
options.Get("transparent", &transparent); content::WebContents::CreateParams params(session->browser_context());
auto* view = new OffScreenWebContentsView(
transparent,
base::BindRepeating(&WebContents::OnPaint, base::Unretained(this)));
params.view = view;
params.delegate_view = view; web_contents = content::WebContents::Create(params);
view->SetWebContents(web_contents.get());
#endif
} else {
content::WebContents::CreateParams params(session->browser_context());
params.initially_hidden = !initially_shown;
web_contents = content::WebContents::Create(params);
} InitWithSessionAndOptions(isolate, std::move(web_contents), session, options);
} void WebContents::InitZoomController(content::WebContents* web_contents,
const gin_helper::Dictionary& options) {
WebContentsZoomController::CreateForWebContents(web_contents);
zoom_controller_ = WebContentsZoomController::FromWebContents(web_contents);
double zoom_factor;
if (options.Get(options::kZoomFactor, &zoom_factor))
zoom_controller_->SetDefaultZoomFactor(zoom_factor);
} void WebContents::InitWithSessionAndOptions(
v8::Isolate* isolate,
std::unique_ptr<content::WebContents> owned_web_contents,
gin::Handle<api::Session> session,
const gin_helper::Dictionary& options) {
Observe(owned_web_contents.get());
// TODO(zcbenz): Make InitWithWebContents take unique_ptr.
// At the time of writing we are going through a refactoring and I don't want
// to make other people's work harder.
InitWithWebContents(owned_web_contents.release(), session->browser_context(),
IsGuest()); managed_web_contents()->GetView()->SetDelegate(this); auto* prefs = web_contents()->GetMutableRendererPrefs();
prefs->accept_languages = g_browser_process->GetApplicationLocale(); #if defined(OS_LINUX) || defined(OS_WIN)
// Update font settings.
static const base::NoDestructor<gfx::FontRenderParams> params(
gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), nullptr));
prefs->should_antialias_text = params->antialiasing;
prefs->use_subpixel_positioning = params->subpixel_positioning;
prefs->hinting = params->hinting;
prefs->use_autohinter = params->autohinter;
prefs->use_bitmaps = params->use_bitmaps;
prefs->subpixel_rendering = params->subpixel_rendering;
#endif // Honor the system's cursor blink rate settings
if (auto interval = GetCursorBlinkInterval())
prefs->caret_blink_interval = *interval; // Save the preferences in C++.
new WebContentsPreferences(web_contents(), options); WebContentsPermissionHelper::CreateForWebContents(web_contents());
SecurityStateTabHelper::CreateForWebContents(web_contents());
InitZoomController(web_contents(), options);
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
extensions::AtomExtensionWebContentsObserver::CreateForWebContents(
web_contents());
#endif registry_.AddInterface(base::BindRepeating(&WebContents::BindElectronBrowser,
base::Unretained(this)));
bindings_.set_connection_error_handler(base::BindRepeating(
&WebContents::OnElectronBrowserConnectionError, base::Unretained(this)));
AutofillDriverFactory::CreateForWebContents(web_contents()); web_contents()->SetUserAgentOverride(GetBrowserContext()->GetUserAgent(),
false); if (IsGuest()) {
NativeWindow* owner_window = nullptr;
if (embedder_) {
// New WebContents's owner_window is the embedder's owner_window.
auto* relay =
NativeWindowRelay::FromWebContents(embedder_->web_contents());
if (relay)
owner_window = relay->GetNativeWindow();
}
if (owner_window)
SetOwnerWindow(owner_window);
} Init(isolate);
AttachAsUserData(web_contents());
} WebContents::~WebContents() {
// The destroy() is called.
if (managed_web_contents()) {
managed_web_contents()->GetView()->SetDelegate(nullptr); RenderViewDeleted(web_contents()->GetRenderViewHost()); if (type_ == Type::BROWSER_WINDOW && owner_window()) {
// For BrowserWindow we should close the window and clean up everything
// before WebContents is destroyed.
for (ExtendedWebContentsObserver& observer : observers_)
observer.OnCloseContents();
// BrowserWindow destroys WebContents asynchronously, manually emit the
// destroyed event here.
WebContentsDestroyed();
} else if (Browser::Get()->is_shutting_down()) {
// Destroy WebContents directly when app is shutting down.
DestroyWebContents(false /* async */);
} else {
// Destroy WebContents asynchronously unless app is shutting down,
// because destroy() might be called inside WebContents's event handler.
DestroyWebContents(!IsGuest() /* async */);
// The WebContentsDestroyed will not be called automatically because we
// destroy the webContents in the next tick. So we have to manually
// call it here to make sure "destroyed" event is emitted.
WebContentsDestroyed();
}
}
} void WebContents::DestroyWebContents(bool async) {
// This event is only for internal use, which is emitted when WebContents is
// being destroyed.
Emit("will-destroy");
ResetManagedWebContents(async);
} bool WebContents::DidAddMessageToConsole(
content::WebContents* source,
blink::mojom::ConsoleMessageLevel level,
const base::string16& message,
int32_t line_no,
const base::string16& source_id) {
return Emit("console-message", static_cast<int32_t>(level), message, line_no,
source_id);
} void WebContents::OnCreateWindow(
const GURL& target_url,
const content::Referrer& referrer,
const std::string& frame_name,
WindowOpenDisposition disposition,
const std::vector<std::string>& features,
const scoped_refptr<network::ResourceRequestBody>& body) {
if (type_ == Type::BROWSER_WINDOW || type_ == Type::OFF_SCREEN)
Emit("-new-window", target_url, frame_name, disposition, features, body,
referrer);
else
Emit("new-window", target_url, frame_name, disposition, features);
} void WebContents::WebContentsCreated(content::WebContents* source_contents,
int opener_render_process_id,
int opener_render_frame_id,
const std::string& frame_name,
const GURL& target_url,
content::WebContents* new_contents) {
ChildWebContentsTracker::CreateForWebContents(new_contents);
auto* tracker = ChildWebContentsTracker::FromWebContents(new_contents);
tracker->url = target_url;
tracker->frame_name = frame_name;
} void WebContents::AddNewContents(
content::WebContents* source,
std::unique_ptr<content::WebContents> new_contents,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) {
auto* tracker = ChildWebContentsTracker::FromWebContents(new_contents.get());
DCHECK(tracker); v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
auto api_web_contents =
CreateAndTake(isolate(), std::move(new_contents), Type::BROWSER_WINDOW);
if (Emit("-add-new-contents", api_web_contents, disposition, user_gesture,
initial_rect.x(), initial_rect.y(), initial_rect.width(),
initial_rect.height(), tracker->url, tracker->frame_name)) {
// TODO(zcbenz): Can we make this sync?
api_web_contents->DestroyWebContents(true /* async */);
}
} content::WebContents* WebContents::OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) {
if (params.disposition != WindowOpenDisposition::CURRENT_TAB) {
if (type_ == Type::BROWSER_WINDOW || type_ == Type::OFF_SCREEN)
Emit("-new-window", params.url, "", params.disposition);
else
Emit("new-window", params.url, "", params.disposition);
return nullptr;
} // Give user a chance to cancel navigation.
if (Emit("will-navigate", params.url))
return nullptr; // Don't load the URL if the web contents was marked as destroyed from a
// will-navigate event listener
if (IsDestroyed())
return nullptr; return CommonWebContentsDelegate::OpenURLFromTab(source, params);
} void WebContents::BeforeUnloadFired(content::WebContents* tab,
bool proceed,
bool* proceed_to_fire_unload) {
if (type_ == Type::BROWSER_WINDOW || type_ == Type::OFF_SCREEN)
*proceed_to_fire_unload = proceed;
else
*proceed_to_fire_unload = true;
} void WebContents::SetContentsBounds(content::WebContents* source,
const gfx::Rect& pos) {
Emit("move", pos);
} void WebContents::CloseContents(content::WebContents* source) {
Emit("close"); auto* autofill_driver_factory =
AutofillDriverFactory::FromWebContents(web_contents());
if (autofill_driver_factory) {
autofill_driver_factory->CloseAllPopups();
} if (managed_web_contents())
managed_web_contents()->GetView()->SetDelegate(nullptr);
for (ExtendedWebContentsObserver& observer : observers_)
observer.OnCloseContents();
} void WebContents::ActivateContents(content::WebContents* source) {
Emit("activate");
} void WebContents::UpdateTargetURL(content::WebContents* source,
const GURL& url) {
Emit("update-target-url", url);
} bool WebContents::HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
if (type_ == Type::WEB_VIEW && embedder_) {
// Send the unhandled keyboard events back to the embedder.
return embedder_->HandleKeyboardEvent(source, event);
} else {
// Go to the default keyboard handling.
return CommonWebContentsDelegate::HandleKeyboardEvent(source, event);
}
} content::KeyboardEventProcessingResult WebContents::PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) {
if (event.GetType() == blink::WebInputEvent::Type::kRawKeyDown ||
event.GetType() == blink::WebInputEvent::Type::kKeyUp) {
bool prevent_default = Emit("before-input-event", event);
if (prevent_default) {
return content::KeyboardEventProcessingResult::HANDLED;
}
} return content::KeyboardEventProcessingResult::NOT_HANDLED;
} void WebContents::ContentsZoomChange(bool zoom_in) {
Emit("zoom-changed", zoom_in ? "in" : "out");
} void WebContents::EnterFullscreenModeForTab(
content::WebContents* source,
const GURL& origin,
const blink::mojom::FullscreenOptions& options) {
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(source);
auto callback =
base::BindRepeating(&WebContents::OnEnterFullscreenModeForTab,
base::Unretained(this), source, origin, options);
permission_helper->RequestFullscreenPermission(callback);
} void WebContents::OnEnterFullscreenModeForTab(
content::WebContents* source,
const GURL& origin,
const blink::mojom::FullscreenOptions& options,
bool allowed) {
if (!allowed)
return;
CommonWebContentsDelegate::EnterFullscreenModeForTab(source, origin, options);
Emit("enter-html-full-screen");
} void WebContents::ExitFullscreenModeForTab(content::WebContents* source) {
CommonWebContentsDelegate::ExitFullscreenModeForTab(source);
Emit("leave-html-full-screen");
} void WebContents::RendererUnresponsive(
content::WebContents* source,
content::RenderWidgetHost* render_widget_host,
base::RepeatingClosure hang_monitor_restarter) {
Emit("unresponsive");
} void WebContents::RendererResponsive(
content::WebContents* source,
content::RenderWidgetHost* render_widget_host) {
Emit("responsive");
for (ExtendedWebContentsObserver& observer : observers_)
observer.OnRendererResponsive();
} bool WebContents::HandleContextMenu(content::RenderFrameHost* render_frame_host,
const content::ContextMenuParams& params) {
if (params.custom_context.is_pepper_menu) {
Emit("pepper-context-menu", std::make_pair(params, web_contents()),
base::BindOnce(&content::WebContents::NotifyContextMenuClosed,
base::Unretained(web_contents()),
params.custom_context));
} else {
Emit("context-menu", std::make_pair(params, web_contents()));
} return true;
} bool WebContents::OnGoToEntryOffset(int offset) {
GoToOffset(offset);
return false;
} void WebContents::FindReply(content::WebContents* web_contents,
int request_id,
int number_of_matches,
const gfx::Rect& selection_rect,
int active_match_ordinal,
bool final_update) {
if (!final_update)
return; v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
gin_helper::Dictionary result = gin::Dictionary::CreateEmpty(isolate());
result.Set("requestId", request_id);
result.Set("matches", number_of_matches);
result.Set("selectionArea", selection_rect);
result.Set("activeMatchOrdinal", active_match_ordinal);
result.Set("finalUpdate", final_update); // Deprecate after 2.0
Emit("found-in-page", result.GetHandle());
} bool WebContents::CheckMediaAccessPermission(
content::RenderFrameHost* render_frame_host,
const GURL& security_origin,
blink::mojom::MediaStreamType type) {
auto* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
return permission_helper->CheckMediaAccessPermission(security_origin, type);
} void WebContents::RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) {
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
permission_helper->RequestMediaAccessPermission(request, std::move(callback));
} void WebContents::RequestToLockMouse(content::WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target) {
auto* permission_helper =
WebContentsPermissionHelper::FromWebContents(web_contents);
permission_helper->RequestPointerLockPermission(user_gesture);
} std::unique_ptr<content::BluetoothChooser> WebContents::RunBluetoothChooser(
content::RenderFrameHost* frame,
const content::BluetoothChooser::EventHandler& event_handler) {
return std::make_unique<BluetoothChooser>(this, event_handler);
} content::JavaScriptDialogManager* WebContents::GetJavaScriptDialogManager(
content::WebContents* source) {
if (!dialog_manager_)
dialog_manager_ = std::make_unique<AtomJavaScriptDialogManager>(this); return dialog_manager_.get();
} void WebContents::OnAudioStateChanged(bool audible) {
Emit("-audio-state-changed", audible);
} void WebContents::BeforeUnloadFired(bool proceed,
const base::TimeTicks& proceed_time) {
// Do nothing, we override this method just to avoid compilation error since
// there are two virtual functions named BeforeUnloadFired.
} void WebContents::RenderViewCreated(content::RenderViewHost* render_view_host) {
if (!background_throttling_)
render_view_host->SetSchedulerThrottling(false);
} void WebContents::RenderFrameCreated(
content::RenderFrameHost* render_frame_host) {
auto* rwhv = render_frame_host->GetView();
if (!rwhv)
return; auto* rwh_impl =
static_cast<content::RenderWidgetHostImpl*>(rwhv->GetRenderWidgetHost());
if (rwh_impl)
rwh_impl->disable_hidden_ = !background_throttling_;
} void WebContents::RenderViewHostChanged(content::RenderViewHost* old_host,
content::RenderViewHost* new_host) {
currently_committed_process_id_ = new_host->GetProcess()->GetID();
} void WebContents::RenderViewDeleted(content::RenderViewHost* render_view_host) {
// This event is necessary for tracking any states with respect to
// intermediate render view hosts aka speculative render view hosts. Currently
// used by object-registry.js to ref count remote objects.
Emit("render-view-deleted", render_view_host->GetProcess()->GetID()); if (- == currently_committed_process_id_ ||
render_view_host->GetProcess()->GetID() ==
currently_committed_process_id_) {
currently_committed_process_id_ = -; // When the RVH that has been deleted is the current RVH it means that the
// the web contents are being closed. This is communicated by this event.
// Currently tracked by guest-window-manager.js to destroy the
// BrowserWindow.
Emit("current-render-view-deleted",
render_view_host->GetProcess()->GetID());
}
} void WebContents::RenderProcessGone(base::TerminationStatus status) {
Emit("crashed", status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED);
} void WebContents::PluginCrashed(const base::FilePath& plugin_path,
base::ProcessId plugin_pid) {
#if BUILDFLAG(ENABLE_PLUGINS)
content::WebPluginInfo info;
auto* plugin_service = content::PluginService::GetInstance();
plugin_service->GetPluginInfoByPath(plugin_path, &info);
Emit("plugin-crashed", info.name, info.version);
#endif // BUILDFLAG(ENABLE_PLUIGNS)
} void WebContents::MediaStartedPlaying(const MediaPlayerInfo& video_type,
const content::MediaPlayerId& id) {
Emit("media-started-playing");
} void WebContents::MediaStoppedPlaying(
const MediaPlayerInfo& video_type,
const content::MediaPlayerId& id,
content::WebContentsObserver::MediaStoppedReason reason) {
Emit("media-paused");
} void WebContents::DidChangeThemeColor(base::Optional<SkColor> theme_color) {
if (theme_color) {
Emit("did-change-theme-color", electron::ToRGBHex(theme_color.value()));
} else {
Emit("did-change-theme-color", nullptr);
}
} void WebContents::OnInterfaceRequestFromFrame(
content::RenderFrameHost* render_frame_host,
const std::string& interface_name,
mojo::ScopedMessagePipeHandle* interface_pipe) {
registry_.TryBindInterface(interface_name, interface_pipe, render_frame_host);
} void WebContents::DidAcquireFullscreen(content::RenderFrameHost* rfh) {
set_fullscreen_frame(rfh);
} void WebContents::DOMContentLoaded(
content::RenderFrameHost* render_frame_host) {
if (!render_frame_host->GetParent())
Emit("dom-ready");
} void WebContents::DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) {
bool is_main_frame = !render_frame_host->GetParent();
int frame_process_id = render_frame_host->GetProcess()->GetID();
int frame_routing_id = render_frame_host->GetRoutingID();
auto weak_this = GetWeakPtr();
Emit("did-frame-finish-load", is_main_frame, frame_process_id,
frame_routing_id); // ⚠️WARNING!⚠️
// Emit() triggers JS which can call destroy() on |this|. It's not safe to
// assume that |this| points to valid memory at this point.
if (is_main_frame && weak_this)
Emit("did-finish-load");
} void WebContents::DidFailLoad(content::RenderFrameHost* render_frame_host,
const GURL& url,
int error_code,
const base::string16& error_description) {
bool is_main_frame = !render_frame_host->GetParent();
int frame_process_id = render_frame_host->GetProcess()->GetID();
int frame_routing_id = render_frame_host->GetRoutingID();
Emit("did-fail-load", error_code, error_description, url, is_main_frame,
frame_process_id, frame_routing_id);
} void WebContents::DidStartLoading() {
Emit("did-start-loading");
} void WebContents::DidStopLoading() {
Emit("did-stop-loading");
} bool WebContents::EmitNavigationEvent(
const std::string& event,
content::NavigationHandle* navigation_handle) {
bool is_main_frame = navigation_handle->IsInMainFrame();
int frame_tree_node_id = navigation_handle->GetFrameTreeNodeId();
content::FrameTreeNode* frame_tree_node =
content::FrameTreeNode::GloballyFindByID(frame_tree_node_id);
content::RenderFrameHostManager* render_manager =
frame_tree_node->render_manager();
content::RenderFrameHost* frame_host = nullptr;
if (render_manager) {
frame_host = render_manager->speculative_frame_host();
if (!frame_host)
frame_host = render_manager->current_frame_host();
}
int frame_process_id = -, frame_routing_id = -;
if (frame_host) {
frame_process_id = frame_host->GetProcess()->GetID();
frame_routing_id = frame_host->GetRoutingID();
}
bool is_same_document = navigation_handle->IsSameDocument();
auto url = navigation_handle->GetURL();
return Emit(event, url, is_same_document, is_main_frame, frame_process_id,
frame_routing_id);
} void WebContents::BindElectronBrowser(
mojom::ElectronBrowserRequest request,
content::RenderFrameHost* render_frame_host) {
auto id = bindings_.AddBinding(this, std::move(request), render_frame_host);
frame_to_bindings_map_[render_frame_host].push_back(id);
} void WebContents::OnElectronBrowserConnectionError() {
auto binding_id = bindings_.dispatch_binding();
auto* frame_host = bindings_.dispatch_context();
base::Erase(frame_to_bindings_map_[frame_host], binding_id);
} void WebContents::Message(bool internal,
const std::string& channel,
blink::CloneableMessage arguments) {
TRACE_EVENT1("electron", "WebContents::Message", "channel", channel);
// webContents.emit('-ipc-message', new Event(), internal, channel,
// arguments);
EmitWithSender("-ipc-message", bindings_.dispatch_context(), InvokeCallback(),
internal, channel, std::move(arguments));
} void WebContents::Invoke(bool internal,
const std::string& channel,
blink::CloneableMessage arguments,
InvokeCallback callback) {
TRACE_EVENT1("electron", "WebContents::Invoke", "channel", channel);
// webContents.emit('-ipc-invoke', new Event(), internal, channel, arguments);
EmitWithSender("-ipc-invoke", bindings_.dispatch_context(),
std::move(callback), internal, channel, std::move(arguments));
} void WebContents::MessageSync(bool internal,
const std::string& channel,
blink::CloneableMessage arguments,
MessageSyncCallback callback) {
TRACE_EVENT1("electron", "WebContents::MessageSync", "channel", channel);
// webContents.emit('-ipc-message-sync', new Event(sender, message), internal,
// channel, arguments);
EmitWithSender("-ipc-message-sync", bindings_.dispatch_context(),
std::move(callback), internal, channel, std::move(arguments));
} void WebContents::MessageTo(bool internal,
bool send_to_all,
int32_t web_contents_id,
const std::string& channel,
blink::CloneableMessage arguments) {
TRACE_EVENT1("electron", "WebContents::MessageTo", "channel", channel);
auto* web_contents = gin_helper::TrackableObject<WebContents>::FromWeakMapID(
isolate(), web_contents_id); if (web_contents) {
web_contents->SendIPCMessageWithSender(internal, send_to_all, channel,
std::move(arguments), ID());
}
} void WebContents::MessageHost(const std::string& channel,
blink::CloneableMessage arguments) {
TRACE_EVENT1("electron", "WebContents::MessageHost", "channel", channel);
// webContents.emit('ipc-message-host', new Event(), channel, args);
EmitWithSender("ipc-message-host", bindings_.dispatch_context(),
InvokeCallback(), channel, std::move(arguments));
} #if BUILDFLAG(ENABLE_REMOTE_MODULE)
void WebContents::DereferenceRemoteJSObject(const std::string& context_id,
int object_id,
int ref_count) {
base::ListValue args;
args.Append(context_id);
args.Append(object_id);
args.Append(ref_count);
EmitWithSender("-ipc-message", bindings_.dispatch_context(), InvokeCallback(),
/* internal */ true, "ELECTRON_BROWSER_DEREFERENCE",
std::move(args));
}
#endif void WebContents::UpdateDraggableRegions(
std::vector<mojom::DraggableRegionPtr> regions) {
for (ExtendedWebContentsObserver& observer : observers_)
observer.OnDraggableRegionsUpdated(regions);
} void WebContents::RenderFrameDeleted(
content::RenderFrameHost* render_frame_host) {
// A RenderFrameHost can be destroyed before the related Mojo binding is
// closed, which can result in Mojo calls being sent for RenderFrameHosts
// that no longer exist. To prevent this from happening, when a
// RenderFrameHost goes away, we close all the bindings related to that
// frame.
auto it = frame_to_bindings_map_.find(render_frame_host);
if (it == frame_to_bindings_map_.end())
return;
for (auto id : it->second)
bindings_.RemoveBinding(id);
frame_to_bindings_map_.erase(it);
} void WebContents::DidStartNavigation(
content::NavigationHandle* navigation_handle) {
EmitNavigationEvent("did-start-navigation", navigation_handle);
} void WebContents::DidRedirectNavigation(
content::NavigationHandle* navigation_handle) {
EmitNavigationEvent("did-redirect-navigation", navigation_handle);
} void WebContents::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
if (!navigation_handle->HasCommitted())
return;
bool is_main_frame = navigation_handle->IsInMainFrame();
content::RenderFrameHost* frame_host =
navigation_handle->GetRenderFrameHost();
int frame_process_id = -, frame_routing_id = -;
if (frame_host) {
frame_process_id = frame_host->GetProcess()->GetID();
frame_routing_id = frame_host->GetRoutingID();
}
if (!navigation_handle->IsErrorPage()) {
// FIXME: All the Emit() calls below could potentially result in |this|
// being destroyed (by JS listening for the event and calling
// webContents.destroy()).
auto url = navigation_handle->GetURL();
bool is_same_document = navigation_handle->IsSameDocument();
if (is_same_document) {
Emit("did-navigate-in-page", url, is_main_frame, frame_process_id,
frame_routing_id);
} else {
const net::HttpResponseHeaders* http_response =
navigation_handle->GetResponseHeaders();
std::string http_status_text;
int http_response_code = -;
if (http_response) {
http_status_text = http_response->GetStatusText();
http_response_code = http_response->response_code();
}
Emit("did-frame-navigate", url, http_response_code, http_status_text,
is_main_frame, frame_process_id, frame_routing_id);
if (is_main_frame) {
Emit("did-navigate", url, http_response_code, http_status_text);
}
}
if (IsGuest())
Emit("load-commit", url, is_main_frame);
} else {
auto url = navigation_handle->GetURL();
int code = navigation_handle->GetNetErrorCode();
auto description = net::ErrorToShortString(code);
Emit("did-fail-provisional-load", code, description, url, is_main_frame,
frame_process_id, frame_routing_id); // Do not emit "did-fail-load" for canceled requests.
if (code != net::ERR_ABORTED)
Emit("did-fail-load", code, description, url, is_main_frame,
frame_process_id, frame_routing_id);
}
} void WebContents::TitleWasSet(content::NavigationEntry* entry) {
base::string16 final_title;
bool explicit_set = true;
if (entry) {
auto title = entry->GetTitle();
auto url = entry->GetURL();
if (url.SchemeIsFile() && title.empty()) {
final_title = base::UTF8ToUTF16(url.ExtractFileName());
explicit_set = false;
} else {
final_title = title;
}
}
Emit("page-title-updated", final_title, explicit_set);
} void WebContents::DidUpdateFaviconURL(
const std::vector<content::FaviconURL>& urls) {
std::set<GURL> unique_urls;
for (const auto& iter : urls) {
if (iter.icon_type != content::FaviconURL::IconType::kFavicon)
continue;
const GURL& url = iter.icon_url;
if (url.is_valid())
unique_urls.insert(url);
}
Emit("page-favicon-updated", unique_urls);
} void WebContents::DevToolsReloadPage() {
Emit("devtools-reload-page");
} void WebContents::DevToolsFocused() {
Emit("devtools-focused");
} void WebContents::DevToolsOpened() {
v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
auto handle =
FromOrCreate(isolate(), managed_web_contents()->GetDevToolsWebContents());
devtools_web_contents_.Reset(isolate(), handle.ToV8()); // Set inspected tabID.
base::Value tab_id(ID());
managed_web_contents()->CallClientFunction("DevToolsAPI.setInspectedTabId",
&tab_id, nullptr, nullptr); // Inherit owner window in devtools when it doesn't have one.
auto* devtools = managed_web_contents()->GetDevToolsWebContents();
bool has_window = devtools->GetUserData(NativeWindowRelay::UserDataKey());
if (owner_window() && !has_window)
handle->SetOwnerWindow(devtools, owner_window()); Emit("devtools-opened");
} void WebContents::DevToolsClosed() {
v8::Locker locker(isolate());
v8::HandleScope handle_scope(isolate());
devtools_web_contents_.Reset(); Emit("devtools-closed");
} bool WebContents::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WebContents, message)
IPC_MESSAGE_HANDLER_CODE(WidgetHostMsg_SetCursor, OnCursorChange,
handled = false)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP() return handled;
} // There are three ways of destroying a webContents:
// 1. call webContents.destroy();
// 2. garbage collection;
// 3. user closes the window of webContents;
// 4. the embedder detaches the frame.
// For webview only #4 will happen, for BrowserWindow both #1 and #3 may
// happen. The #2 should never happen for webContents, because webview is
// managed by GuestViewManager, and BrowserWindow's webContents is managed
// by api::BrowserWindow.
// For #1, the destructor will do the cleanup work and we only need to make
// sure "destroyed" event is emitted. For #3, the content::WebContents will
// be destroyed on close, and WebContentsDestroyed would be called for it, so
// we need to make sure the api::WebContents is also deleted.
// For #4, the WebContents will be destroyed by embedder.
void WebContents::WebContentsDestroyed() {
// Cleanup relationships with other parts.
RemoveFromWeakMap(); // We can not call Destroy here because we need to call Emit first, but we
// also do not want any method to be used, so just mark as destroyed here.
MarkDestroyed(); Emit("destroyed"); // For guest view based on OOPIF, the WebContents is released by the embedder
// frame, and we need to clear the reference to the memory.
if (IsGuest() && managed_web_contents()) {
managed_web_contents()->ReleaseWebContents();
ResetManagedWebContents(false);
} // Destroy the native class in next tick.
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, GetDestroyClosure());
} void WebContents::NavigationEntryCommitted(
const content::LoadCommittedDetails& details) {
Emit("navigation-entry-commited", details.entry->GetURL(),
details.is_same_document, details.did_replace_entry);
} void WebContents::SetBackgroundThrottling(bool allowed) {
background_throttling_ = allowed; auto* rfh = web_contents()->GetMainFrame();
if (!rfh)
return; auto* rwhv = rfh->GetView();
if (!rwhv)
return; auto* rwh_impl =
static_cast<content::RenderWidgetHostImpl*>(rwhv->GetRenderWidgetHost());
if (!rwh_impl)
return; rwh_impl->disable_hidden_ = !background_throttling_;
web_contents()->GetRenderViewHost()->SetSchedulerThrottling(allowed); if (rwh_impl->is_hidden()) {
rwh_impl->WasShown(base::nullopt);
}
} int WebContents::GetProcessID() const {
return web_contents()->GetMainFrame()->GetProcess()->GetID();
} base::ProcessId WebContents::GetOSProcessID() const {
base::ProcessHandle process_handle =
web_contents()->GetMainFrame()->GetProcess()->GetProcess().Handle();
return base::GetProcId(process_handle);
} base::ProcessId WebContents::GetOSProcessIdForFrame(
const std::string& name,
const std::string& document_url) const {
for (auto* frame : web_contents()->GetAllFrames()) {
if (frame->GetFrameName() == name &&
frame->GetLastCommittedURL().spec() == document_url) {
return base::GetProcId(frame->GetProcess()->GetProcess().Handle());
}
}
return base::kNullProcessId;
} WebContents::Type WebContents::GetType() const {
return type_;
} bool WebContents::Equal(const WebContents* web_contents) const {
return ID() == web_contents->ID();
} void WebContents::LoadURL(const GURL& url,
const gin_helper::Dictionary& options) {
if (!url.is_valid() || url.spec().size() > url::kMaxURLChars) {
Emit("did-fail-load", static_cast<int>(net::ERR_INVALID_URL),
net::ErrorToShortString(net::ERR_INVALID_URL),
url.possibly_invalid_spec(), true);
return;
} content::NavigationController::LoadURLParams params(url); if (!options.Get("httpReferrer", ¶ms.referrer)) {
GURL http_referrer;
if (options.Get("httpReferrer", &http_referrer))
params.referrer =
content::Referrer(http_referrer.GetAsReferrer(),
network::mojom::ReferrerPolicy::kDefault);
} std::string user_agent;
if (options.Get("userAgent", &user_agent))
web_contents()->SetUserAgentOverride(user_agent, false); std::string extra_headers;
if (options.Get("extraHeaders", &extra_headers))
params.extra_headers = extra_headers; scoped_refptr<network::ResourceRequestBody> body;
if (options.Get("postData", &body)) {
params.post_data = body;
params.load_type = content::NavigationController::LOAD_TYPE_HTTP_POST;
} GURL base_url_for_data_url;
if (options.Get("baseURLForDataURL", &base_url_for_data_url)) {
params.base_url_for_data_url = base_url_for_data_url;
params.load_type = content::NavigationController::LOAD_TYPE_DATA;
} bool reload_ignoring_cache = false;
if (options.Get("reloadIgnoringCache", &reload_ignoring_cache) &&
reload_ignoring_cache) {
params.reload_type = content::ReloadType::BYPASSING_CACHE;
} // Calling LoadURLWithParams() can trigger JS which destroys |this|.
auto weak_this = GetWeakPtr(); params.transition_type = ui::PAGE_TRANSITION_TYPED;
params.should_clear_history_list = true;
params.override_user_agent = content::NavigationController::UA_OVERRIDE_TRUE;
// Discord non-committed entries to ensure that we don't re-use a pending
// entry
web_contents()->GetController().DiscardNonCommittedEntries();
web_contents()->GetController().LoadURLWithParams(params); // ⚠️WARNING!⚠️
// LoadURLWithParams() triggers JS events which can call destroy() on |this|.
// It's not safe to assume that |this| points to valid memory at this point.
if (!weak_this)
return; // Set the background color of RenderWidgetHostView.
// We have to call it right after LoadURL because the RenderViewHost is only
// created after loading a page.
auto* const view = weak_this->web_contents()->GetRenderWidgetHostView();
if (view) {
auto* web_preferences = WebContentsPreferences::From(web_contents());
std::string color_name;
if (web_preferences->GetPreference(options::kBackgroundColor,
&color_name)) {
view->SetBackgroundColor(ParseHexColor(color_name));
} else {
view->SetBackgroundColor(SK_ColorTRANSPARENT);
}
}
} void WebContents::DownloadURL(const GURL& url) {
auto* browser_context = web_contents()->GetBrowserContext();
auto* download_manager =
content::BrowserContext::GetDownloadManager(browser_context);
std::unique_ptr<download::DownloadUrlParameters> download_params(
content::DownloadRequestUtils::CreateDownloadForWebContentsMainFrame(
web_contents(), url, MISSING_TRAFFIC_ANNOTATION));
download_manager->DownloadUrl(std::move(download_params));
} GURL WebContents::GetURL() const {
return web_contents()->GetURL();
} base::string16 WebContents::GetTitle() const {
return web_contents()->GetTitle();
} bool WebContents::IsLoading() const {
return web_contents()->IsLoading();
} bool WebContents::IsLoadingMainFrame() const {
return web_contents()->IsLoadingToDifferentDocument();
} bool WebContents::IsWaitingForResponse() const {
return web_contents()->IsWaitingForResponse();
} void WebContents::Stop() {
web_contents()->Stop();
} void WebContents::GoBack() {
electron::AtomBrowserClient::SuppressRendererProcessRestartForOnce();
web_contents()->GetController().GoBack();
} void WebContents::GoForward() {
electron::AtomBrowserClient::SuppressRendererProcessRestartForOnce();
web_contents()->GetController().GoForward();
} void WebContents::GoToOffset(int offset) {
electron::AtomBrowserClient::SuppressRendererProcessRestartForOnce();
web_contents()->GetController().GoToOffset(offset);
} const std::string WebContents::GetWebRTCIPHandlingPolicy() const {
return web_contents()->GetMutableRendererPrefs()->webrtc_ip_handling_policy;
} void WebContents::SetWebRTCIPHandlingPolicy(
const std::string& webrtc_ip_handling_policy) {
if (GetWebRTCIPHandlingPolicy() == webrtc_ip_handling_policy)
return;
web_contents()->GetMutableRendererPrefs()->webrtc_ip_handling_policy =
webrtc_ip_handling_policy; web_contents()->SyncRendererPrefs();
} bool WebContents::IsCrashed() const {
return web_contents()->IsCrashed();
} void WebContents::SetUserAgent(const std::string& user_agent,
gin_helper::Arguments* args) {
web_contents()->SetUserAgentOverride(user_agent, false);
} std::string WebContents::GetUserAgent() {
return web_contents()->GetUserAgentOverride();
} v8::Local<v8::Promise> WebContents::SavePage(
const base::FilePath& full_file_path,
const content::SavePageType& save_type) {
gin_helper::Promise<void> promise(isolate());
v8::Local<v8::Promise> handle = promise.GetHandle(); auto* handler = new SavePageHandler(web_contents(), std::move(promise));
handler->Handle(full_file_path, save_type); return handle;
} void WebContents::OpenDevTools(gin_helper::Arguments* args) {
if (type_ == Type::REMOTE)
return; if (!enable_devtools_)
return; std::string state;
if (type_ == Type::WEB_VIEW || !owner_window()) {
state = "detach";
}
bool activate = true;
if (args && args->Length() == ) {
gin_helper::Dictionary options;
if (args->GetNext(&options)) {
options.Get("mode", &state);
options.Get("activate", &activate);
}
}
managed_web_contents()->SetDockState(state);
managed_web_contents()->ShowDevTools(activate);
} void WebContents::CloseDevTools() {
if (type_ == Type::REMOTE)
return; managed_web_contents()->CloseDevTools();
} bool WebContents::IsDevToolsOpened() {
if (type_ == Type::REMOTE)
return false; return managed_web_contents()->IsDevToolsViewShowing();
} bool WebContents::IsDevToolsFocused() {
if (type_ == Type::REMOTE)
return false; return managed_web_contents()->GetView()->IsDevToolsViewFocused();
} void WebContents::EnableDeviceEmulation(
const blink::WebDeviceEmulationParams& params) {
if (type_ == Type::REMOTE)
return; auto* frame_host = web_contents()->GetMainFrame();
if (frame_host) {
auto* widget_host =
frame_host ? frame_host->GetView()->GetRenderWidgetHost() : nullptr;
if (!widget_host)
return;
widget_host->Send(new WidgetMsg_EnableDeviceEmulation(
widget_host->GetRoutingID(), params));
}
} void WebContents::DisableDeviceEmulation() {
if (type_ == Type::REMOTE)
return; auto* frame_host = web_contents()->GetMainFrame();
if (frame_host) {
auto* widget_host =
frame_host ? frame_host->GetView()->GetRenderWidgetHost() : nullptr;
if (!widget_host)
return;
widget_host->Send(
new WidgetMsg_DisableDeviceEmulation(widget_host->GetRoutingID()));
}
} void WebContents::ToggleDevTools() {
if (IsDevToolsOpened())
CloseDevTools();
else
OpenDevTools(nullptr);
} void WebContents::InspectElement(int x, int y) {
if (type_ == Type::REMOTE)
return; if (!enable_devtools_)
return; if (!managed_web_contents()->GetDevToolsWebContents())
OpenDevTools(nullptr);
managed_web_contents()->InspectElement(x, y);
} void WebContents::InspectSharedWorkerById(const std::string& workerId) {
if (type_ == Type::REMOTE)
return; if (!enable_devtools_)
return; for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
if (agent_host->GetType() ==
content::DevToolsAgentHost::kTypeSharedWorker) {
if (agent_host->GetId() == workerId) {
OpenDevTools(nullptr);
managed_web_contents()->AttachTo(agent_host);
break;
}
}
}
} std::vector<scoped_refptr<content::DevToolsAgentHost>>
WebContents::GetAllSharedWorkers() {
std::vector<scoped_refptr<content::DevToolsAgentHost>> shared_workers; if (type_ == Type::REMOTE)
return shared_workers; if (!enable_devtools_)
return shared_workers; for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
if (agent_host->GetType() ==
content::DevToolsAgentHost::kTypeSharedWorker) {
shared_workers.push_back(agent_host);
}
}
return shared_workers;
} void WebContents::InspectSharedWorker() {
if (type_ == Type::REMOTE)
return; if (!enable_devtools_)
return; for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
if (agent_host->GetType() ==
content::DevToolsAgentHost::kTypeSharedWorker) {
OpenDevTools(nullptr);
managed_web_contents()->AttachTo(agent_host);
break;
}
}
} void WebContents::InspectServiceWorker() {
if (type_ == Type::REMOTE)
return; if (!enable_devtools_)
return; for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
if (agent_host->GetType() ==
content::DevToolsAgentHost::kTypeServiceWorker) {
OpenDevTools(nullptr);
managed_web_contents()->AttachTo(agent_host);
break;
}
}
} void WebContents::SetIgnoreMenuShortcuts(bool ignore) {
auto* web_preferences = WebContentsPreferences::From(web_contents());
DCHECK(web_preferences);
web_preferences->preference()->SetKey("ignoreMenuShortcuts",
base::Value(ignore));
} void WebContents::SetAudioMuted(bool muted) {
web_contents()->SetAudioMuted(muted);
} bool WebContents::IsAudioMuted() {
return web_contents()->IsAudioMuted();
} bool WebContents::IsCurrentlyAudible() {
return web_contents()->IsCurrentlyAudible();
} #if BUILDFLAG(ENABLE_PRINTING)
void WebContents::Print(gin_helper::Arguments* args) {
gin_helper::Dictionary options =
gin::Dictionary::CreateEmpty(args->isolate());
base::Value settings(base::Value::Type::DICTIONARY); if (args->Length() >= && !args->GetNext(&options)) {
args->ThrowError("webContents.print(): Invalid print settings specified.");
return;
} printing::CompletionCallback callback;
if (args->Length() == && !args->GetNext(&callback)) {
args->ThrowError(
"webContents.print(): Invalid optional callback provided.");
return;
} // Set optional silent printing
bool silent = false;
options.Get("silent", &silent); bool print_background = false;
options.Get("printBackground", &print_background);
settings.SetBoolKey(printing::kSettingShouldPrintBackgrounds,
print_background); // Set custom margin settings
gin_helper::Dictionary margins =
gin::Dictionary::CreateEmpty(args->isolate());
if (options.Get("margins", &margins)) {
printing::MarginType margin_type = printing::DEFAULT_MARGINS;
margins.Get("marginType", &margin_type);
settings.SetIntKey(printing::kSettingMarginsType, margin_type); if (margin_type == printing::CUSTOM_MARGINS) {
int top = ;
margins.Get("top", &top);
settings.SetIntKey(printing::kSettingMarginTop, top);
int bottom = ;
margins.Get("bottom", &bottom);
settings.SetIntKey(printing::kSettingMarginBottom, bottom);
int left = ;
margins.Get("left", &left);
settings.SetIntKey(printing::kSettingMarginLeft, left);
int right = ;
margins.Get("right", &right);
settings.SetIntKey(printing::kSettingMarginRight, right);
}
} else {
settings.SetIntKey(printing::kSettingMarginsType,
printing::DEFAULT_MARGINS);
} // Set whether to print color or greyscale
bool print_color = true;
options.Get("color", &print_color);
int color_setting = print_color ? printing::COLOR : printing::GRAY;
settings.SetIntKey(printing::kSettingColor, color_setting); // Is the orientation landscape or portrait.
bool landscape = false;
options.Get("landscape", &landscape);
settings.SetBoolKey(printing::kSettingLandscape, landscape); // We set the default to empty string here and only update
// if at the Chromium level if it's non-empty
// Printer device name as opened by the OS.
base::string16 device_name;
options.Get("deviceName", &device_name);
settings.SetStringKey(printing::kSettingDeviceName, device_name); int scale_factor = ;
options.Get("scaleFactor", &scale_factor);
settings.SetIntKey(printing::kSettingScaleFactor, scale_factor); int pages_per_sheet = ;
options.Get("pagesPerSheet", &pages_per_sheet);
settings.SetIntKey(printing::kSettingPagesPerSheet, pages_per_sheet); // True if the user wants to print with collate.
bool collate = true;
options.Get("collate", &collate);
settings.SetBoolKey(printing::kSettingCollate, collate); // The number of individual copies to print
int copies = ;
options.Get("copies", &copies);
settings.SetIntKey(printing::kSettingCopies, copies); // Strings to be printed as headers and footers if requested by the user.
std::string header;
options.Get("header", &header);
std::string footer;
options.Get("footer", &footer); if (!(header.empty() && footer.empty())) {
settings.SetBoolKey(printing::kSettingHeaderFooterEnabled, true); settings.SetStringKey(printing::kSettingHeaderFooterTitle, header);
settings.SetStringKey(printing::kSettingHeaderFooterURL, footer);
} else {
settings.SetBoolKey(printing::kSettingHeaderFooterEnabled, false);
} // We don't want to allow the user to enable these settings
// but we need to set them or a CHECK is hit.
settings.SetIntKey(printing::kSettingPrinterType, printing::kLocalPrinter);
settings.SetBoolKey(printing::kSettingShouldPrintSelectionOnly, false);
settings.SetBoolKey(printing::kSettingRasterizePdf, false); // Set custom page ranges to print
std::vector<gin_helper::Dictionary> page_ranges;
if (options.Get("pageRanges", &page_ranges)) {
base::Value page_range_list(base::Value::Type::LIST);
for (auto& range : page_ranges) {
int from, to;
if (range.Get("from", &from) && range.Get("to", &to)) {
base::Value range(base::Value::Type::DICTIONARY);
range.SetIntKey(printing::kSettingPageRangeFrom, from);
range.SetIntKey(printing::kSettingPageRangeTo, to);
page_range_list.Append(std::move(range));
} else {
continue;
}
}
if (page_range_list.GetList().size() > )
settings.SetPath(printing::kSettingPageRange, std::move(page_range_list));
} // Duplex type user wants to use.
printing::DuplexMode duplex_mode;
options.Get("duplexMode", &duplex_mode);
settings.SetIntKey(printing::kSettingDuplexMode, duplex_mode); // Set custom dots per inch (dpi)
gin_helper::Dictionary dpi_settings;
int dpi = ;
if (options.Get("dpi", &dpi_settings)) {
int horizontal = ;
dpi_settings.Get("horizontal", &horizontal);
settings.SetIntKey(printing::kSettingDpiHorizontal, horizontal);
int vertical = ;
dpi_settings.Get("vertical", &vertical);
settings.SetIntKey(printing::kSettingDpiVertical, vertical);
} else {
settings.SetIntKey(printing::kSettingDpiHorizontal, dpi);
settings.SetIntKey(printing::kSettingDpiVertical, dpi);
} auto* print_view_manager =
printing::PrintViewManagerBasic::FromWebContents(web_contents());
auto* focused_frame = web_contents()->GetFocusedFrame();
auto* rfh = focused_frame && focused_frame->HasSelection()
? focused_frame
: web_contents()->GetMainFrame();
print_view_manager->PrintNow(rfh, silent, std::move(settings),
std::move(callback));
} std::vector<printing::PrinterBasicInfo> WebContents::GetPrinterList() {
std::vector<printing::PrinterBasicInfo> printers;
auto print_backend = printing::PrintBackend::CreateInstance(
nullptr, g_browser_process->GetApplicationLocale());
{
// TODO(deepak1556): Deprecate this api in favor of an
// async version and post a non blocing task call.
base::ThreadRestrictions::ScopedAllowIO allow_io;
print_backend->EnumeratePrinters(&printers);
}
return printers;
} v8::Local<v8::Promise> WebContents::PrintToPDF(base::DictionaryValue settings) {
gin_helper::Promise<v8::Local<v8::Value>> promise(isolate());
v8::Local<v8::Promise> handle = promise.GetHandle();
PrintPreviewMessageHandler::FromWebContents(web_contents())
->PrintToPDF(std::move(settings), std::move(promise));
return handle;
}
#endif void WebContents::AddWorkSpace(gin_helper::Arguments* args,
const base::FilePath& path) {
if (path.empty()) {
args->ThrowError("path cannot be empty");
return;
}
DevToolsAddFileSystem(std::string(), path);
} void WebContents::RemoveWorkSpace(gin_helper::Arguments* args,
const base::FilePath& path) {
if (path.empty()) {
args->ThrowError("path cannot be empty");
return;
}
DevToolsRemoveFileSystem(path);
} void WebContents::Undo() {
web_contents()->Undo();
} void WebContents::Redo() {
web_contents()->Redo();
} void WebContents::Cut() {
web_contents()->Cut();
} void WebContents::Copy() {
web_contents()->Copy();
} void WebContents::Paste() {
web_contents()->Paste();
} void WebContents::PasteAndMatchStyle() {
web_contents()->PasteAndMatchStyle();
} void WebContents::Delete() {
web_contents()->Delete();
} void WebContents::SelectAll() {
web_contents()->SelectAll();
} void WebContents::Unselect() {
web_contents()->CollapseSelection();
} void WebContents::Replace(const base::string16& word) {
web_contents()->Replace(word);
} void WebContents::ReplaceMisspelling(const base::string16& word) {
web_contents()->ReplaceMisspelling(word);
} uint32_t WebContents::FindInPage(gin_helper::Arguments* args) {
base::string16 search_text;
if (!args->GetNext(&search_text) || search_text.empty()) {
args->ThrowError("Must provide a non-empty search content");
return ;
} uint32_t request_id = GetNextRequestId();
gin_helper::Dictionary dict;
auto options = blink::mojom::FindOptions::New();
if (args->GetNext(&dict)) {
dict.Get("forward", &options->forward);
dict.Get("matchCase", &options->match_case);
dict.Get("findNext", &options->find_next);
} web_contents()->Find(request_id, search_text, std::move(options));
return request_id;
} void WebContents::StopFindInPage(content::StopFindAction action) {
web_contents()->StopFinding(action);
} void WebContents::ShowDefinitionForSelection() {
#if defined(OS_MACOSX)
auto* const view = web_contents()->GetRenderWidgetHostView();
if (view)
view->ShowDefinitionForSelection();
#endif
} void WebContents::CopyImageAt(int x, int y) {
auto* const host = web_contents()->GetMainFrame();
if (host)
host->CopyImageAt(x, y);
} void WebContents::Focus() {
web_contents()->Focus();
} #if !defined(OS_MACOSX)
bool WebContents::IsFocused() const {
auto* view = web_contents()->GetRenderWidgetHostView();
if (!view)
return false; if (GetType() != Type::BACKGROUND_PAGE) {
auto* window = web_contents()->GetNativeView()->GetToplevelWindow();
if (window && !window->IsVisible())
return false;
} return view->HasFocus();
}
#endif void WebContents::TabTraverse(bool reverse) {
web_contents()->FocusThroughTabTraversal(reverse);
} bool WebContents::SendIPCMessage(bool internal,
bool send_to_all,
const std::string& channel,
v8::Local<v8::Value> args) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate(), args, &message)) {
isolate()->ThrowException(v8::Exception::Error(
gin::StringToV8(isolate(), "Failed to serialize arguments")));
return false;
}
return SendIPCMessageWithSender(internal, send_to_all, channel,
std::move(message));
} bool WebContents::SendIPCMessageWithSender(bool internal,
bool send_to_all,
const std::string& channel,
blink::CloneableMessage args,
int32_t sender_id) {
std::vector<content::RenderFrameHost*> target_hosts;
if (!send_to_all) {
auto* frame_host = web_contents()->GetMainFrame();
if (frame_host) {
target_hosts.push_back(frame_host);
}
} else {
target_hosts = web_contents()->GetAllFrames();
} for (auto* frame_host : target_hosts) {
mojo::AssociatedRemote<mojom::ElectronRenderer> electron_renderer;
frame_host->GetRemoteAssociatedInterfaces()->GetInterface(
&electron_renderer);
electron_renderer->Message(internal, false, channel, args.ShallowClone(),
sender_id);
}
return true;
} bool WebContents::SendIPCMessageToFrame(bool internal,
bool send_to_all,
int32_t frame_id,
const std::string& channel,
v8::Local<v8::Value> args) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate(), args, &message)) {
isolate()->ThrowException(v8::Exception::Error(
gin::StringToV8(isolate(), "Failed to serialize arguments")));
return false;
}
auto frames = web_contents()->GetAllFrames();
auto iter = std::find_if(frames.begin(), frames.end(), [frame_id](auto* f) {
return f->GetRoutingID() == frame_id;
});
if (iter == frames.end())
return false;
if (!(*iter)->IsRenderFrameLive())
return false; mojo::AssociatedRemote<mojom::ElectronRenderer> electron_renderer;
(*iter)->GetRemoteAssociatedInterfaces()->GetInterface(&electron_renderer);
electron_renderer->Message(internal, send_to_all, channel, std::move(message),
/* sender_id */);
return true;
} void WebContents::SendInputEvent(v8::Isolate* isolate,
v8::Local<v8::Value> input_event) {
content::RenderWidgetHostView* view =
web_contents()->GetRenderWidgetHostView();
if (!view)
return; content::RenderWidgetHost* rwh = view->GetRenderWidgetHost();
blink::WebInputEvent::Type type =
gin::GetWebInputEventType(isolate, input_event);
if (blink::WebInputEvent::IsMouseEventType(type)) {
blink::WebMouseEvent mouse_event;
if (gin::ConvertFromV8(isolate, input_event, &mouse_event)) {
if (IsOffScreen()) {
#if BUILDFLAG(ENABLE_OSR)
GetOffScreenRenderWidgetHostView()->SendMouseEvent(mouse_event);
#endif
} else {
rwh->ForwardMouseEvent(mouse_event);
}
return;
}
} else if (blink::WebInputEvent::IsKeyboardEventType(type)) {
content::NativeWebKeyboardEvent keyboard_event(
blink::WebKeyboardEvent::kRawKeyDown,
blink::WebInputEvent::kNoModifiers, ui::EventTimeForNow());
if (gin::ConvertFromV8(isolate, input_event, &keyboard_event)) {
rwh->ForwardKeyboardEvent(keyboard_event);
return;
}
} else if (type == blink::WebInputEvent::kMouseWheel) {
blink::WebMouseWheelEvent mouse_wheel_event;
if (gin::ConvertFromV8(isolate, input_event, &mouse_wheel_event)) {
if (IsOffScreen()) {
#if BUILDFLAG(ENABLE_OSR)
GetOffScreenRenderWidgetHostView()->SendMouseWheelEvent(
mouse_wheel_event);
#endif
} else {
// Chromium expects phase info in wheel events (and applies a
// DCHECK to verify it). See: https://crbug.com/756524.
mouse_wheel_event.phase = blink::WebMouseWheelEvent::kPhaseBegan;
mouse_wheel_event.dispatch_type = blink::WebInputEvent::kBlocking;
rwh->ForwardWheelEvent(mouse_wheel_event); // Send a synthetic wheel event with phaseEnded to finish scrolling.
mouse_wheel_event.has_synthetic_phase = true;
mouse_wheel_event.delta_x = ;
mouse_wheel_event.delta_y = ;
mouse_wheel_event.phase = blink::WebMouseWheelEvent::kPhaseEnded;
mouse_wheel_event.dispatch_type =
blink::WebInputEvent::kEventNonBlocking;
rwh->ForwardWheelEvent(mouse_wheel_event);
}
return;
}
} isolate->ThrowException(
v8::Exception::Error(gin::StringToV8(isolate, "Invalid event object")));
} void WebContents::BeginFrameSubscription(gin_helper::Arguments* args) {
bool only_dirty = false;
FrameSubscriber::FrameCaptureCallback callback; args->GetNext(&only_dirty);
if (!args->GetNext(&callback)) {
args->ThrowError();
return;
} frame_subscriber_ =
std::make_unique<FrameSubscriber>(web_contents(), callback, only_dirty);
} void WebContents::EndFrameSubscription() {
frame_subscriber_.reset();
} void WebContents::StartDrag(const gin_helper::Dictionary& item,
gin_helper::Arguments* args) {
base::FilePath file;
std::vector<base::FilePath> files;
if (!item.Get("files", &files) && item.Get("file", &file)) {
files.push_back(file);
} gin::Handle<NativeImage> icon;
if (!item.Get("icon", &icon)) {
args->ThrowError("Must specify non-empty 'icon' option");
return;
} // Start dragging.
if (!files.empty()) {
base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
DragFileItems(files, icon->image(), web_contents()->GetNativeView());
} else {
args->ThrowError("Must specify either 'file' or 'files' option");
}
} v8::Local<v8::Promise> WebContents::CapturePage(gin_helper::Arguments* args) {
gfx::Rect rect;
gin_helper::Promise<gfx::Image> promise(isolate());
v8::Local<v8::Promise> handle = promise.GetHandle(); // get rect arguments if they exist
args->GetNext(&rect); auto* const view = web_contents()->GetRenderWidgetHostView();
if (!view) {
promise.Resolve(gfx::Image());
return handle;
} // Capture full page if user doesn't specify a |rect|.
const gfx::Size view_size =
rect.IsEmpty() ? view->GetViewBounds().size() : rect.size(); // By default, the requested bitmap size is the view size in screen
// coordinates. However, if there's more pixel detail available on the
// current system, increase the requested bitmap size to capture it all.
gfx::Size bitmap_size = view_size;
const gfx::NativeView native_view = view->GetNativeView();
const float scale = display::Screen::GetScreen()
->GetDisplayNearestView(native_view)
.device_scale_factor();
if (scale > 1.0f)
bitmap_size = gfx::ScaleToCeiledSize(view_size, scale); view->CopyFromSurface(gfx::Rect(rect.origin(), view_size), bitmap_size,
base::BindOnce(&OnCapturePageDone, std::move(promise)));
return handle;
} void WebContents::OnCursorChange(const content::WebCursor& cursor) {
const content::CursorInfo& info = cursor.info(); if (info.type == ui::CursorType::kCustom) {
Emit("cursor-changed", CursorTypeToString(info),
gfx::Image::CreateFrom1xBitmap(info.custom_image),
info.image_scale_factor,
gfx::Size(info.custom_image.width(), info.custom_image.height()),
info.hotspot);
} else {
Emit("cursor-changed", CursorTypeToString(info));
}
} bool WebContents::IsGuest() const {
return type_ == Type::WEB_VIEW;
} void WebContents::AttachToIframe(content::WebContents* embedder_web_contents,
int embedder_frame_id) {
if (guest_delegate_)
guest_delegate_->AttachToIframe(embedder_web_contents, embedder_frame_id);
} bool WebContents::IsOffScreen() const {
#if BUILDFLAG(ENABLE_OSR)
return type_ == Type::OFF_SCREEN;
#else
return false;
#endif
} #if BUILDFLAG(ENABLE_OSR)
void WebContents::OnPaint(const gfx::Rect& dirty_rect, const SkBitmap& bitmap) {
Emit("paint", dirty_rect, gfx::Image::CreateFrom1xBitmap(bitmap));
} void WebContents::StartPainting() {
auto* osr_wcv = GetOffScreenWebContentsView();
if (osr_wcv)
osr_wcv->SetPainting(true);
} void WebContents::StopPainting() {
auto* osr_wcv = GetOffScreenWebContentsView();
if (osr_wcv)
osr_wcv->SetPainting(false);
} bool WebContents::IsPainting() const {
auto* osr_wcv = GetOffScreenWebContentsView();
return osr_wcv && osr_wcv->IsPainting();
} void WebContents::SetFrameRate(int frame_rate) {
auto* osr_wcv = GetOffScreenWebContentsView();
if (osr_wcv)
osr_wcv->SetFrameRate(frame_rate);
} int WebContents::GetFrameRate() const {
auto* osr_wcv = GetOffScreenWebContentsView();
return osr_wcv ? osr_wcv->GetFrameRate() : ;
}
#endif void WebContents::Invalidate() {
if (IsOffScreen()) {
#if BUILDFLAG(ENABLE_OSR)
auto* osr_rwhv = GetOffScreenRenderWidgetHostView();
if (osr_rwhv)
osr_rwhv->Invalidate();
#endif
} else {
auto* const window = owner_window();
if (window)
window->Invalidate();
}
} gfx::Size WebContents::GetSizeForNewRenderView(content::WebContents* wc) {
if (IsOffScreen() && wc == web_contents()) {
auto* relay = NativeWindowRelay::FromWebContents(web_contents());
if (relay) {
auto* owner_window = relay->GetNativeWindow();
return owner_window ? owner_window->GetSize() : gfx::Size();
}
} return gfx::Size();
} void WebContents::SetZoomLevel(double level) {
zoom_controller_->SetZoomLevel(level);
} double WebContents::GetZoomLevel() const {
return zoom_controller_->GetZoomLevel();
} void WebContents::SetZoomFactor(double factor) {
auto level = blink::PageZoomFactorToZoomLevel(factor);
SetZoomLevel(level);
} double WebContents::GetZoomFactor() const {
auto level = GetZoomLevel();
return blink::PageZoomLevelToZoomFactor(level);
} void WebContents::SetTemporaryZoomLevel(double level) {
zoom_controller_->SetTemporaryZoomLevel(level);
} void WebContents::DoGetZoomLevel(DoGetZoomLevelCallback callback) {
std::move(callback).Run(GetZoomLevel());
} std::vector<base::FilePath::StringType> WebContents::GetPreloadPaths() const {
auto result = SessionPreferences::GetValidPreloads(GetBrowserContext()); if (auto* web_preferences = WebContentsPreferences::From(web_contents())) {
base::FilePath::StringType preload;
if (web_preferences->GetPreloadPath(&preload)) {
result.emplace_back(preload);
}
} return result;
} v8::Local<v8::Value> WebContents::GetWebPreferences(
v8::Isolate* isolate) const {
auto* web_preferences = WebContentsPreferences::From(web_contents());
if (!web_preferences)
return v8::Null(isolate);
return gin::ConvertToV8(isolate, *web_preferences->preference());
} v8::Local<v8::Value> WebContents::GetLastWebPreferences(
v8::Isolate* isolate) const {
auto* web_preferences = WebContentsPreferences::From(web_contents());
if (!web_preferences)
return v8::Null(isolate);
return gin::ConvertToV8(isolate, *web_preferences->last_preference());
} v8::Local<v8::Value> WebContents::GetOwnerBrowserWindow() const {
if (owner_window())
return BrowserWindow::From(isolate(), owner_window());
else
return v8::Null(isolate());
} int32_t WebContents::ID() const {
return weak_map_id();
} v8::Local<v8::Value> WebContents::Session(v8::Isolate* isolate) {
return v8::Local<v8::Value>::New(isolate, session_);
} content::WebContents* WebContents::HostWebContents() const {
if (!embedder_)
return nullptr;
return embedder_->web_contents();
} void WebContents::SetEmbedder(const WebContents* embedder) {
if (embedder) {
NativeWindow* owner_window = nullptr;
auto* relay = NativeWindowRelay::FromWebContents(embedder->web_contents());
if (relay) {
owner_window = relay->GetNativeWindow();
}
if (owner_window)
SetOwnerWindow(owner_window); content::RenderWidgetHostView* rwhv =
web_contents()->GetRenderWidgetHostView();
if (rwhv) {
rwhv->Hide();
rwhv->Show();
}
}
} void WebContents::SetDevToolsWebContents(const WebContents* devtools) {
if (managed_web_contents())
managed_web_contents()->SetDevToolsWebContents(devtools->web_contents());
} v8::Local<v8::Value> WebContents::GetNativeView() const {
gfx::NativeView ptr = web_contents()->GetNativeView();
auto buffer = node::Buffer::Copy(isolate(), reinterpret_cast<char*>(&ptr),
sizeof(gfx::NativeView));
if (buffer.IsEmpty())
return v8::Null(isolate());
else
return buffer.ToLocalChecked();
} v8::Local<v8::Value> WebContents::DevToolsWebContents(v8::Isolate* isolate) {
if (devtools_web_contents_.IsEmpty())
return v8::Null(isolate);
else
return v8::Local<v8::Value>::New(isolate, devtools_web_contents_);
} v8::Local<v8::Value> WebContents::Debugger(v8::Isolate* isolate) {
if (debugger_.IsEmpty()) {
auto handle = electron::api::Debugger::Create(isolate, web_contents());
debugger_.Reset(isolate, handle.ToV8());
}
return v8::Local<v8::Value>::New(isolate, debugger_);
} void WebContents::GrantOriginAccess(const GURL& url) {
content::ChildProcessSecurityPolicy::GetInstance()->GrantCommitOrigin(
web_contents()->GetMainFrame()->GetProcess()->GetID(),
url::Origin::Create(url));
} v8::Local<v8::Promise> WebContents::TakeHeapSnapshot(
const base::FilePath& file_path) {
gin_helper::Promise<void> promise(isolate());
v8::Local<v8::Promise> handle = promise.GetHandle(); base::ThreadRestrictions::ScopedAllowIO allow_io;
base::File file(file_path,
base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
if (!file.IsValid()) {
promise.RejectWithErrorMessage("takeHeapSnapshot failed");
return handle;
} auto* frame_host = web_contents()->GetMainFrame();
if (!frame_host) {
promise.RejectWithErrorMessage("takeHeapSnapshot failed");
return handle;
} // This dance with `base::Owned` is to ensure that the interface stays alive
// until the callback is called. Otherwise it would be closed at the end of
// this function.
auto electron_renderer =
std::make_unique<mojo::AssociatedRemote<mojom::ElectronRenderer>>();
frame_host->GetRemoteAssociatedInterfaces()->GetInterface(
electron_renderer.get());
auto* raw_ptr = electron_renderer.get();
(*raw_ptr)->TakeHeapSnapshot(
mojo::WrapPlatformFile(file.TakePlatformFile()),
base::BindOnce(
[](mojo::AssociatedRemote<mojom::ElectronRenderer>* ep,
gin_helper::Promise<void> promise, bool success) {
if (success) {
promise.Resolve();
} else {
promise.RejectWithErrorMessage("takeHeapSnapshot failed");
}
},
base::Owned(std::move(electron_renderer)), std::move(promise)));
return handle;
} // static
void WebContents::BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype) {
prototype->SetClassName(gin::StringToV8(isolate, "WebContents"));
gin_helper::Destroyable::MakeDestroyable(isolate, prototype);
gin_helper::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
.SetMethod("setBackgroundThrottling",
&WebContents::SetBackgroundThrottling)
.SetMethod("getProcessId", &WebContents::GetProcessID)
.SetMethod("getOSProcessId", &WebContents::GetOSProcessID)
.SetMethod("_getOSProcessIdForFrame",
&WebContents::GetOSProcessIdForFrame)
.SetMethod("equal", &WebContents::Equal)
.SetMethod("_loadURL", &WebContents::LoadURL)
.SetMethod("downloadURL", &WebContents::DownloadURL)
.SetMethod("_getURL", &WebContents::GetURL)
.SetMethod("getTitle", &WebContents::GetTitle)
.SetMethod("isLoading", &WebContents::IsLoading)
.SetMethod("isLoadingMainFrame", &WebContents::IsLoadingMainFrame)
.SetMethod("isWaitingForResponse", &WebContents::IsWaitingForResponse)
.SetMethod("_stop", &WebContents::Stop)
.SetMethod("_goBack", &WebContents::GoBack)
.SetMethod("_goForward", &WebContents::GoForward)
.SetMethod("_goToOffset", &WebContents::GoToOffset)
.SetMethod("isCrashed", &WebContents::IsCrashed)
.SetMethod("_setUserAgent", &WebContents::SetUserAgent)
.SetMethod("_getUserAgent", &WebContents::GetUserAgent)
.SetProperty("userAgent", &WebContents::GetUserAgent,
&WebContents::SetUserAgent)
.SetMethod("savePage", &WebContents::SavePage)
.SetMethod("openDevTools", &WebContents::OpenDevTools)
.SetMethod("closeDevTools", &WebContents::CloseDevTools)
.SetMethod("isDevToolsOpened", &WebContents::IsDevToolsOpened)
.SetMethod("isDevToolsFocused", &WebContents::IsDevToolsFocused)
.SetMethod("enableDeviceEmulation", &WebContents::EnableDeviceEmulation)
.SetMethod("disableDeviceEmulation", &WebContents::DisableDeviceEmulation)
.SetMethod("toggleDevTools", &WebContents::ToggleDevTools)
.SetMethod("inspectElement", &WebContents::InspectElement)
.SetMethod("setIgnoreMenuShortcuts", &WebContents::SetIgnoreMenuShortcuts)
.SetMethod("_setAudioMuted", &WebContents::SetAudioMuted)
.SetMethod("_isAudioMuted", &WebContents::IsAudioMuted)
.SetProperty("audioMuted", &WebContents::IsAudioMuted,
&WebContents::SetAudioMuted)
.SetMethod("isCurrentlyAudible", &WebContents::IsCurrentlyAudible)
.SetMethod("undo", &WebContents::Undo)
.SetMethod("redo", &WebContents::Redo)
.SetMethod("cut", &WebContents::Cut)
.SetMethod("copy", &WebContents::Copy)
.SetMethod("paste", &WebContents::Paste)
.SetMethod("pasteAndMatchStyle", &WebContents::PasteAndMatchStyle)
.SetMethod("delete", &WebContents::Delete)
.SetMethod("selectAll", &WebContents::SelectAll)
.SetMethod("unselect", &WebContents::Unselect)
.SetMethod("replace", &WebContents::Replace)
.SetMethod("replaceMisspelling", &WebContents::ReplaceMisspelling)
.SetMethod("findInPage", &WebContents::FindInPage)
.SetMethod("stopFindInPage", &WebContents::StopFindInPage)
.SetMethod("focus", &WebContents::Focus)
.SetMethod("isFocused", &WebContents::IsFocused)
.SetMethod("tabTraverse", &WebContents::TabTraverse)
.SetMethod("_send", &WebContents::SendIPCMessage)
.SetMethod("_sendToFrame", &WebContents::SendIPCMessageToFrame)
.SetMethod("sendInputEvent", &WebContents::SendInputEvent)
.SetMethod("beginFrameSubscription", &WebContents::BeginFrameSubscription)
.SetMethod("endFrameSubscription", &WebContents::EndFrameSubscription)
.SetMethod("startDrag", &WebContents::StartDrag)
.SetMethod("attachToIframe", &WebContents::AttachToIframe)
.SetMethod("detachFromOuterFrame", &WebContents::DetachFromOuterFrame)
.SetMethod("isOffscreen", &WebContents::IsOffScreen)
#if BUILDFLAG(ENABLE_OSR)
.SetMethod("startPainting", &WebContents::StartPainting)
.SetMethod("stopPainting", &WebContents::StopPainting)
.SetMethod("isPainting", &WebContents::IsPainting)
.SetMethod("_setFrameRate", &WebContents::SetFrameRate)
.SetMethod("_getFrameRate", &WebContents::GetFrameRate)
.SetProperty("frameRate", &WebContents::GetFrameRate,
&WebContents::SetFrameRate)
#endif
.SetMethod("invalidate", &WebContents::Invalidate)
.SetMethod("_setZoomLevel", &WebContents::SetZoomLevel)
.SetMethod("_getZoomLevel", &WebContents::GetZoomLevel)
.SetProperty("zoomLevel", &WebContents::GetZoomLevel,
&WebContents::SetZoomLevel)
.SetMethod("_setZoomFactor", &WebContents::SetZoomFactor)
.SetMethod("_getZoomFactor", &WebContents::GetZoomFactor)
.SetProperty("zoomFactor", &WebContents::GetZoomFactor,
&WebContents::SetZoomFactor)
.SetMethod("getType", &WebContents::GetType)
.SetMethod("_getPreloadPaths", &WebContents::GetPreloadPaths)
.SetMethod("getWebPreferences", &WebContents::GetWebPreferences)
.SetMethod("getLastWebPreferences", &WebContents::GetLastWebPreferences)
.SetMethod("getOwnerBrowserWindow", &WebContents::GetOwnerBrowserWindow)
.SetMethod("inspectServiceWorker", &WebContents::InspectServiceWorker)
.SetMethod("inspectSharedWorker", &WebContents::InspectSharedWorker)
.SetMethod("inspectSharedWorkerById",
&WebContents::InspectSharedWorkerById)
.SetMethod("getAllSharedWorkers", &WebContents::GetAllSharedWorkers)
#if BUILDFLAG(ENABLE_PRINTING)
.SetMethod("_print", &WebContents::Print)
.SetMethod("_getPrinters", &WebContents::GetPrinterList)
.SetMethod("_printToPDF", &WebContents::PrintToPDF)
#endif
.SetMethod("addWorkSpace", &WebContents::AddWorkSpace)
.SetMethod("removeWorkSpace", &WebContents::RemoveWorkSpace)
.SetMethod("showDefinitionForSelection",
&WebContents::ShowDefinitionForSelection)
.SetMethod("copyImageAt", &WebContents::CopyImageAt)
.SetMethod("capturePage", &WebContents::CapturePage)
.SetMethod("setEmbedder", &WebContents::SetEmbedder)
.SetMethod("setDevToolsWebContents", &WebContents::SetDevToolsWebContents)
.SetMethod("getNativeView", &WebContents::GetNativeView)
.SetMethod("setWebRTCIPHandlingPolicy",
&WebContents::SetWebRTCIPHandlingPolicy)
.SetMethod("getWebRTCIPHandlingPolicy",
&WebContents::GetWebRTCIPHandlingPolicy)
.SetMethod("_grantOriginAccess", &WebContents::GrantOriginAccess)
.SetMethod("takeHeapSnapshot", &WebContents::TakeHeapSnapshot)
.SetProperty("id", &WebContents::ID)
.SetProperty("session", &WebContents::Session)
.SetProperty("hostWebContents", &WebContents::HostWebContents)
.SetProperty("devToolsWebContents", &WebContents::DevToolsWebContents)
.SetProperty("debugger", &WebContents::Debugger);
} AtomBrowserContext* WebContents::GetBrowserContext() const {
return static_cast<AtomBrowserContext*>(web_contents()->GetBrowserContext());
} // static
gin::Handle<WebContents> WebContents::Create(
v8::Isolate* isolate,
const gin_helper::Dictionary& options) {
return gin::CreateHandle(isolate, new WebContents(isolate, options));
} // static
gin::Handle<WebContents> WebContents::CreateAndTake(
v8::Isolate* isolate,
std::unique_ptr<content::WebContents> web_contents,
Type type) {
return gin::CreateHandle(
isolate, new WebContents(isolate, std::move(web_contents), type));
} // static
gin::Handle<WebContents> WebContents::From(v8::Isolate* isolate,
content::WebContents* web_contents) {
auto* existing = TrackableObject::FromWrappedClass(isolate, web_contents);
if (existing)
return gin::CreateHandle(isolate, static_cast<WebContents*>(existing));
else
return gin::Handle<WebContents>();
} // static
gin::Handle<WebContents> WebContents::FromOrCreate(
v8::Isolate* isolate,
content::WebContents* web_contents) {
auto existing = From(isolate, web_contents);
if (!existing.IsEmpty())
return existing;
else
return gin::CreateHandle(isolate, new WebContents(isolate, web_contents));
} } // namespace api } // namespace electron namespace { using electron::api::WebContents; void Initialize(v8::Local<v8::Object> exports,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context,
void* priv) {
v8::Isolate* isolate = context->GetIsolate();
gin_helper::Dictionary dict(isolate, exports);
dict.Set("WebContents", WebContents::GetConstructor(isolate)
->GetFunction(context)
.ToLocalChecked());
dict.SetMethod("create", &WebContents::Create);
dict.SetMethod("fromId", &WebContents::FromWeakMapID);
dict.SetMethod("getAllWebContents", &WebContents::GetAll);
} } // namespace NODE_LINKED_MODULE_CONTEXT_AWARE(atom_browser_web_contents, Initialize)
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