578 lines
22 KiB
C++
578 lines
22 KiB
C++
// Copyright (c) 2014 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
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#define ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "atom/browser/api/frame_subscriber.h"
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#include "atom/browser/api/save_page_handler.h"
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#include "atom/browser/api/trackable_object.h"
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#include "atom/browser/common_web_contents_delegate.h"
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#include "atom/browser/ui/autofill_popup.h"
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#include "base/observer_list.h"
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#include "base/observer_list_types.h"
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#include "content/common/cursors/webcursor.h"
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#include "content/public/browser/keyboard_event_processing_result.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_contents_binding_set.h"
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#include "content/public/browser/web_contents_observer.h"
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#include "content/public/common/favicon_url.h"
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#include "electron/atom/common/api/api.mojom.h"
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#include "electron/buildflags/buildflags.h"
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#include "native_mate/handle.h"
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#include "printing/buildflags/buildflags.h"
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#include "services/service_manager/public/cpp/binder_registry.h"
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#include "ui/gfx/image/image.h"
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#if BUILDFLAG(ENABLE_PRINTING)
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#include "atom/browser/printing/print_preview_message_handler.h"
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#include "printing/backend/print_backend.h"
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#endif
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namespace blink {
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struct WebDeviceEmulationParams;
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}
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namespace mate {
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class Arguments;
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class Dictionary;
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} // namespace mate
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namespace network {
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class ResourceRequestBody;
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}
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namespace atom {
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class AtomBrowserContext;
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class AtomJavaScriptDialogManager;
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class InspectableWebContents;
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class WebContentsZoomController;
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class WebViewGuestDelegate;
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class FrameSubscriber;
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#if BUILDFLAG(ENABLE_OSR)
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class OffScreenRenderWidgetHostView;
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#endif
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namespace api {
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// Certain events are only in WebContentsDelegate, provide our own Observer to
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// dispatch those events.
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class ExtendedWebContentsObserver : public base::CheckedObserver {
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public:
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virtual void OnCloseContents() {}
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virtual void OnRendererResponsive() {}
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virtual void OnDraggableRegionsUpdated(
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const std::vector<mojom::DraggableRegionPtr>& regions) {}
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protected:
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~ExtendedWebContentsObserver() override {}
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};
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// Wrapper around the content::WebContents.
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class WebContents : public mate::TrackableObject<WebContents>,
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public CommonWebContentsDelegate,
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public content::WebContentsObserver,
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public mojom::ElectronBrowser {
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public:
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enum class Type {
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BACKGROUND_PAGE, // A DevTools extension background page.
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BROWSER_WINDOW, // Used by BrowserWindow.
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BROWSER_VIEW, // Used by BrowserView.
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REMOTE, // Thin wrap around an existing WebContents.
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WEB_VIEW, // Used by <webview>.
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OFF_SCREEN, // Used for offscreen rendering
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};
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// Create a new WebContents and return the V8 wrapper of it.
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static mate::Handle<WebContents> Create(v8::Isolate* isolate,
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const mate::Dictionary& options);
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// Create a new V8 wrapper for an existing |web_content|.
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//
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// The lifetime of |web_contents| will be managed by this class.
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static mate::Handle<WebContents> CreateAndTake(
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v8::Isolate* isolate,
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std::unique_ptr<content::WebContents> web_contents,
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Type type);
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// Get the V8 wrapper of |web_content|, return empty handle if not wrapped.
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static mate::Handle<WebContents> From(v8::Isolate* isolate,
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content::WebContents* web_content);
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// Get the V8 wrapper of the |web_contents|, or create one if not existed.
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//
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// The lifetime of |web_contents| is NOT managed by this class, and the type
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// of this wrapper is always REMOTE.
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static mate::Handle<WebContents> FromOrCreate(
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v8::Isolate* isolate,
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content::WebContents* web_contents);
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static void BuildPrototype(v8::Isolate* isolate,
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v8::Local<v8::FunctionTemplate> prototype);
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base::WeakPtr<WebContents> GetWeakPtr() { return weak_factory_.GetWeakPtr(); }
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// Destroy the managed content::WebContents instance.
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//
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// Note: The |async| should only be |true| when users are expecting to use the
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// webContents immediately after the call. Always pass |false| if you are not
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// sure.
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// See https://github.com/electron/electron/issues/8930.
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//
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// Note: When destroying a webContents member inside a destructor, the |async|
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// should always be |false|, otherwise the destroy task might be delayed after
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// normal shutdown procedure, resulting in an assertion.
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// The normal pattern for calling this method in destructor is:
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// api_web_contents_->DestroyWebContents(!Browser::Get()->is_shutting_down())
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// See https://github.com/electron/electron/issues/15133.
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void DestroyWebContents(bool async);
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void SetBackgroundThrottling(bool allowed);
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int GetProcessID() const;
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base::ProcessId GetOSProcessID() const;
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Type GetType() const;
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bool Equal(const WebContents* web_contents) const;
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void LoadURL(const GURL& url, const mate::Dictionary& options);
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void DownloadURL(const GURL& url);
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GURL GetURL() const;
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base::string16 GetTitle() const;
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bool IsLoading() const;
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bool IsLoadingMainFrame() const;
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bool IsWaitingForResponse() const;
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void Stop();
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void ReloadIgnoringCache();
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void GoBack();
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void GoForward();
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void GoToOffset(int offset);
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const std::string GetWebRTCIPHandlingPolicy() const;
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void SetWebRTCIPHandlingPolicy(const std::string& webrtc_ip_handling_policy);
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bool IsCrashed() const;
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void SetUserAgent(const std::string& user_agent, mate::Arguments* args);
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std::string GetUserAgent();
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void InsertCSS(const std::string& css);
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v8::Local<v8::Promise> SavePage(const base::FilePath& full_file_path,
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const content::SavePageType& save_type);
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void OpenDevTools(mate::Arguments* args);
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void CloseDevTools();
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bool IsDevToolsOpened();
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bool IsDevToolsFocused();
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void ToggleDevTools();
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void EnableDeviceEmulation(const blink::WebDeviceEmulationParams& params);
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void DisableDeviceEmulation();
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void InspectElement(int x, int y);
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void InspectSharedWorker();
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void InspectServiceWorker();
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void SetIgnoreMenuShortcuts(bool ignore);
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void SetAudioMuted(bool muted);
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bool IsAudioMuted();
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bool IsCurrentlyAudible();
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void SetEmbedder(const WebContents* embedder);
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void SetDevToolsWebContents(const WebContents* devtools);
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v8::Local<v8::Value> GetNativeView() const;
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#if BUILDFLAG(ENABLE_PRINTING)
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void Print(mate::Arguments* args);
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std::vector<printing::PrinterBasicInfo> GetPrinterList();
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// Print current page as PDF.
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v8::Local<v8::Promise> PrintToPDF(const base::DictionaryValue& settings);
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#endif
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// DevTools workspace api.
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void AddWorkSpace(mate::Arguments* args, const base::FilePath& path);
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void RemoveWorkSpace(mate::Arguments* args, const base::FilePath& path);
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// Editing commands.
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void Undo();
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void Redo();
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void Cut();
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void Copy();
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void Paste();
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void PasteAndMatchStyle();
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void Delete();
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void SelectAll();
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void Unselect();
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void Replace(const base::string16& word);
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void ReplaceMisspelling(const base::string16& word);
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uint32_t FindInPage(mate::Arguments* args);
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void StopFindInPage(content::StopFindAction action);
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void ShowDefinitionForSelection();
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void CopyImageAt(int x, int y);
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// Focus.
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void Focus();
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bool IsFocused() const;
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void TabTraverse(bool reverse);
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// Send messages to browser.
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bool SendIPCMessage(bool internal,
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bool send_to_all,
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const std::string& channel,
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const base::ListValue& args);
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bool SendIPCMessageWithSender(bool internal,
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bool send_to_all,
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const std::string& channel,
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const base::ListValue& args,
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int32_t sender_id = 0);
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bool SendIPCMessageToFrame(bool internal,
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bool send_to_all,
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int32_t frame_id,
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const std::string& channel,
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const base::ListValue& args);
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// Send WebInputEvent to the page.
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void SendInputEvent(v8::Isolate* isolate, v8::Local<v8::Value> input_event);
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// Subscribe to the frame updates.
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void BeginFrameSubscription(mate::Arguments* args);
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void EndFrameSubscription();
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// Dragging native items.
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void StartDrag(const mate::Dictionary& item, mate::Arguments* args);
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// Captures the page with |rect|, |callback| would be called when capturing is
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// done.
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v8::Local<v8::Promise> CapturePage(mate::Arguments* args);
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// Methods for creating <webview>.
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bool IsGuest() const;
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void AttachToIframe(content::WebContents* embedder_web_contents,
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int embedder_frame_id);
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void DetachFromOuterFrame();
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// Methods for offscreen rendering
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bool IsOffScreen() const;
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#if BUILDFLAG(ENABLE_OSR)
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void OnPaint(const gfx::Rect& dirty_rect, const SkBitmap& bitmap);
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void StartPainting();
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void StopPainting();
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bool IsPainting() const;
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void SetFrameRate(int frame_rate);
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int GetFrameRate() const;
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#endif
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void Invalidate();
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gfx::Size GetSizeForNewRenderView(content::WebContents*) const override;
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// Methods for zoom handling.
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void SetZoomLevel(double level);
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double GetZoomLevel() const;
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void SetZoomFactor(double factor);
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double GetZoomFactor() const;
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// Callback triggered on permission response.
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void OnEnterFullscreenModeForTab(content::WebContents* source,
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const GURL& origin,
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const blink::WebFullscreenOptions& options,
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bool allowed);
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// Create window with the given disposition.
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void OnCreateWindow(const GURL& target_url,
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const content::Referrer& referrer,
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const std::string& frame_name,
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WindowOpenDisposition disposition,
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const std::vector<std::string>& features,
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const scoped_refptr<network::ResourceRequestBody>& body);
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// Returns the preload script path of current WebContents.
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v8::Local<v8::Value> GetPreloadPath(v8::Isolate* isolate) const;
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// Returns the web preferences of current WebContents.
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v8::Local<v8::Value> GetWebPreferences(v8::Isolate* isolate) const;
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v8::Local<v8::Value> GetLastWebPreferences(v8::Isolate* isolate) const;
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bool IsRemoteModuleEnabled() const;
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// Returns the owner window.
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v8::Local<v8::Value> GetOwnerBrowserWindow() const;
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// Grants the child process the capability to access URLs with the origin of
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// the specified URL.
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void GrantOriginAccess(const GURL& url);
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v8::Local<v8::Promise> TakeHeapSnapshot(const base::FilePath& file_path);
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// Properties.
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int32_t ID() const;
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v8::Local<v8::Value> Session(v8::Isolate* isolate);
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content::WebContents* HostWebContents();
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v8::Local<v8::Value> DevToolsWebContents(v8::Isolate* isolate);
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v8::Local<v8::Value> Debugger(v8::Isolate* isolate);
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WebContentsZoomController* GetZoomController() { return zoom_controller_; }
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void AddObserver(ExtendedWebContentsObserver* obs) {
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observers_.AddObserver(obs);
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}
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void RemoveObserver(ExtendedWebContentsObserver* obs) {
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// Trying to remove from an empty collection leads to an access violation
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if (observers_.might_have_observers())
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observers_.RemoveObserver(obs);
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}
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bool EmitNavigationEvent(const std::string& event,
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content::NavigationHandle* navigation_handle);
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protected:
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// Does not manage lifetime of |web_contents|.
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WebContents(v8::Isolate* isolate, content::WebContents* web_contents);
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// Takes over ownership of |web_contents|.
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WebContents(v8::Isolate* isolate,
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std::unique_ptr<content::WebContents> web_contents,
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Type type);
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// Creates a new content::WebContents.
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WebContents(v8::Isolate* isolate, const mate::Dictionary& options);
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~WebContents() override;
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void InitWithSessionAndOptions(
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v8::Isolate* isolate,
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std::unique_ptr<content::WebContents> web_contents,
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mate::Handle<class Session> session,
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const mate::Dictionary& options);
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// content::WebContentsDelegate:
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bool DidAddMessageToConsole(content::WebContents* source,
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blink::mojom::ConsoleMessageLevel level,
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const base::string16& message,
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int32_t line_no,
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const base::string16& source_id) override;
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void WebContentsCreated(content::WebContents* source_contents,
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int opener_render_process_id,
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int opener_render_frame_id,
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const std::string& frame_name,
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const GURL& target_url,
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content::WebContents* new_contents) override;
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void AddNewContents(content::WebContents* source,
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std::unique_ptr<content::WebContents> new_contents,
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WindowOpenDisposition disposition,
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const gfx::Rect& initial_rect,
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bool user_gesture,
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bool* was_blocked) override;
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content::WebContents* OpenURLFromTab(
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content::WebContents* source,
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const content::OpenURLParams& params) override;
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void BeforeUnloadFired(content::WebContents* tab,
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bool proceed,
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bool* proceed_to_fire_unload) override;
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void SetContentsBounds(content::WebContents* source,
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const gfx::Rect& pos) override;
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void CloseContents(content::WebContents* source) override;
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void ActivateContents(content::WebContents* contents) override;
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void UpdateTargetURL(content::WebContents* source, const GURL& url) override;
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bool HandleKeyboardEvent(
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content::WebContents* source,
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const content::NativeWebKeyboardEvent& event) override;
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content::KeyboardEventProcessingResult PreHandleKeyboardEvent(
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content::WebContents* source,
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const content::NativeWebKeyboardEvent& event) override;
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void ContentsZoomChange(bool zoom_in) override;
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void EnterFullscreenModeForTab(
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content::WebContents* source,
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const GURL& origin,
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const blink::WebFullscreenOptions& options) override;
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void ExitFullscreenModeForTab(content::WebContents* source) override;
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void RendererUnresponsive(
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content::WebContents* source,
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content::RenderWidgetHost* render_widget_host,
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base::RepeatingClosure hang_monitor_restarter) override;
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void RendererResponsive(
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content::WebContents* source,
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content::RenderWidgetHost* render_widget_host) override;
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bool HandleContextMenu(content::RenderFrameHost* render_frame_host,
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const content::ContextMenuParams& params) override;
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bool OnGoToEntryOffset(int offset) override;
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void FindReply(content::WebContents* web_contents,
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int request_id,
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int number_of_matches,
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const gfx::Rect& selection_rect,
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int active_match_ordinal,
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bool final_update) override;
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bool CheckMediaAccessPermission(content::RenderFrameHost* render_frame_host,
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const GURL& security_origin,
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blink::MediaStreamType type) override;
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void RequestMediaAccessPermission(
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content::WebContents* web_contents,
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const content::MediaStreamRequest& request,
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content::MediaResponseCallback callback) override;
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void RequestToLockMouse(content::WebContents* web_contents,
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bool user_gesture,
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bool last_unlocked_by_target) override;
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std::unique_ptr<content::BluetoothChooser> RunBluetoothChooser(
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content::RenderFrameHost* frame,
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const content::BluetoothChooser::EventHandler& handler) override;
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content::JavaScriptDialogManager* GetJavaScriptDialogManager(
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content::WebContents* source) override;
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void OnAudioStateChanged(bool audible) override;
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// content::WebContentsObserver:
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void BeforeUnloadFired(bool proceed,
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const base::TimeTicks& proceed_time) override;
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void RenderViewCreated(content::RenderViewHost*) override;
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void RenderViewHostChanged(content::RenderViewHost* old_host,
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content::RenderViewHost* new_host) override;
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void RenderViewDeleted(content::RenderViewHost*) override;
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void RenderProcessGone(base::TerminationStatus status) override;
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void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
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void DocumentLoadedInFrame(
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content::RenderFrameHost* render_frame_host) override;
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void DidFinishLoad(content::RenderFrameHost* render_frame_host,
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const GURL& validated_url) override;
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void DidFailLoad(content::RenderFrameHost* render_frame_host,
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const GURL& validated_url,
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int error_code,
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const base::string16& error_description) override;
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void DidStartLoading() override;
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void DidStopLoading() override;
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void DidStartNavigation(
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content::NavigationHandle* navigation_handle) override;
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void DidRedirectNavigation(
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content::NavigationHandle* navigation_handle) override;
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void DidFinishNavigation(
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content::NavigationHandle* navigation_handle) override;
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bool OnMessageReceived(const IPC::Message& message) override;
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void WebContentsDestroyed() override;
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void NavigationEntryCommitted(
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const content::LoadCommittedDetails& load_details) override;
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void TitleWasSet(content::NavigationEntry* entry) override;
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void DidUpdateFaviconURL(
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const std::vector<content::FaviconURL>& urls) override;
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void PluginCrashed(const base::FilePath& plugin_path,
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base::ProcessId plugin_pid) override;
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void MediaStartedPlaying(const MediaPlayerInfo& video_type,
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const content::MediaPlayerId& id) override;
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void MediaStoppedPlaying(
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const MediaPlayerInfo& video_type,
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const content::MediaPlayerId& id,
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content::WebContentsObserver::MediaStoppedReason reason) override;
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void DidChangeThemeColor(base::Optional<SkColor> theme_color) override;
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void OnInterfaceRequestFromFrame(
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content::RenderFrameHost* render_frame_host,
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const std::string& interface_name,
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mojo::ScopedMessagePipeHandle* interface_pipe) override;
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void DidAcquireFullscreen(content::RenderFrameHost* rfh) override;
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// InspectableWebContentsDelegate:
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void DevToolsReloadPage() override;
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// InspectableWebContentsViewDelegate:
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void DevToolsFocused() override;
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void DevToolsOpened() override;
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void DevToolsClosed() override;
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#if defined(TOOLKIT_VIEWS)
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void ShowAutofillPopup(content::RenderFrameHost* frame_host,
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const gfx::RectF& bounds,
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const std::vector<base::string16>& values,
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const std::vector<base::string16>& labels);
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#endif
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private:
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AtomBrowserContext* GetBrowserContext() const;
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// Binds the given request for the ElectronBrowser API. When the
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// RenderFrameHost is destroyed, all related bindings will be removed.
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void BindElectronBrowser(mojom::ElectronBrowserRequest request,
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content::RenderFrameHost* render_frame_host);
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void OnElectronBrowserConnectionError();
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|
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uint32_t GetNextRequestId() { return ++request_id_; }
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#if BUILDFLAG(ENABLE_OSR)
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OffScreenWebContentsView* GetOffScreenWebContentsView() const override;
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OffScreenRenderWidgetHostView* GetOffScreenRenderWidgetHostView() const;
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#endif
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// mojom::ElectronBrowser
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void Message(bool internal,
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const std::string& channel,
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|
base::Value arguments) override;
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|
void Invoke(const std::string& channel,
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|
base::Value arguments,
|
|
InvokeCallback callback) override;
|
|
void MessageSync(bool internal,
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|
const std::string& channel,
|
|
base::Value arguments,
|
|
MessageSyncCallback callback) override;
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|
void MessageTo(bool internal,
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|
bool send_to_all,
|
|
int32_t web_contents_id,
|
|
const std::string& channel,
|
|
base::Value arguments) override;
|
|
void MessageHost(const std::string& channel, base::Value arguments) override;
|
|
void UpdateDraggableRegions(
|
|
std::vector<mojom::DraggableRegionPtr> regions) override;
|
|
void SetTemporaryZoomLevel(double level) override;
|
|
void DoGetZoomLevel(DoGetZoomLevelCallback callback) override;
|
|
|
|
void ShowAutofillPopup(const gfx::RectF& bounds,
|
|
const std::vector<base::string16>& values,
|
|
const std::vector<base::string16>& labels) override;
|
|
void HideAutofillPopup() override;
|
|
|
|
// Called when we receive a CursorChange message from chromium.
|
|
void OnCursorChange(const content::WebCursor& cursor);
|
|
|
|
// Called when received a synchronous message from renderer to
|
|
// get the zoom level.
|
|
void OnGetZoomLevel(content::RenderFrameHost* frame_host,
|
|
IPC::Message* reply_msg);
|
|
|
|
void InitZoomController(content::WebContents* web_contents,
|
|
const mate::Dictionary& options);
|
|
|
|
v8::Global<v8::Value> session_;
|
|
v8::Global<v8::Value> devtools_web_contents_;
|
|
v8::Global<v8::Value> debugger_;
|
|
|
|
std::unique_ptr<AtomJavaScriptDialogManager> dialog_manager_;
|
|
std::unique_ptr<WebViewGuestDelegate> guest_delegate_;
|
|
std::unique_ptr<FrameSubscriber> frame_subscriber_;
|
|
|
|
// The host webcontents that may contain this webcontents.
|
|
WebContents* embedder_ = nullptr;
|
|
|
|
// The zoom controller for this webContents.
|
|
WebContentsZoomController* zoom_controller_ = nullptr;
|
|
|
|
// The type of current WebContents.
|
|
Type type_ = Type::BROWSER_WINDOW;
|
|
|
|
// Request id used for findInPage request.
|
|
uint32_t request_id_ = 0;
|
|
|
|
// Whether background throttling is disabled.
|
|
bool background_throttling_ = true;
|
|
|
|
// Whether to enable devtools.
|
|
bool enable_devtools_ = true;
|
|
|
|
// Observers of this WebContents.
|
|
base::ObserverList<ExtendedWebContentsObserver> observers_;
|
|
|
|
// The ID of the process of the currently committed RenderViewHost.
|
|
// -1 means no speculative RVH has been committed yet.
|
|
int currently_committed_process_id_ = -1;
|
|
|
|
service_manager::BinderRegistryWithArgs<content::RenderFrameHost*> registry_;
|
|
mojo::BindingSet<mojom::ElectronBrowser, content::RenderFrameHost*> bindings_;
|
|
std::map<content::RenderFrameHost*, std::vector<mojo::BindingId>>
|
|
frame_to_bindings_map_;
|
|
|
|
base::WeakPtrFactory<WebContents> weak_factory_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(WebContents);
|
|
};
|
|
|
|
} // namespace api
|
|
|
|
} // namespace atom
|
|
|
|
#endif // ATOM_BROWSER_API_ATOM_API_WEB_CONTENTS_H_
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