705 lines
30 KiB
C++
705 lines
30 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_BROWSER_HOST_IMPL_H_
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#define CEF_LIBCEF_BROWSER_BROWSER_HOST_IMPL_H_
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#pragma once
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#include <map>
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#include <queue>
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#include <string>
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#include <vector>
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#include "include/cef_browser.h"
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#include "include/cef_client.h"
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#include "include/cef_frame.h"
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#include "include/views/cef_browser_view.h"
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#include "libcef/browser/browser_info.h"
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#include "libcef/browser/file_dialog_manager.h"
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#include "libcef/browser/frame_host_impl.h"
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#include "libcef/browser/javascript_dialog_manager.h"
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#include "libcef/browser/menu_manager.h"
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#include "libcef/common/response_manager.h"
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#include "base/observer_list.h"
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#include "base/strings/string16.h"
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#include "base/synchronization/lock.h"
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#include "content/public/browser/notification_observer.h"
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#include "content/public/browser/notification_registrar.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_contents_delegate.h"
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#include "content/public/browser/web_contents_observer.h"
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#include "extensions/common/view_type.h"
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namespace content {
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struct DragEventSourceInfo;
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class RenderWidgetHostImpl;
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} // namespace content
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namespace extensions {
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class Extension;
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class ExtensionHost;
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} // namespace extensions
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namespace net {
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class URLRequest;
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}
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#if defined(USE_AURA)
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namespace views {
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class Widget;
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}
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#endif // defined(USE_AURA)
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struct Cef_DraggableRegion_Params;
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struct Cef_Request_Params;
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struct Cef_Response_Params;
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class CefBrowserInfo;
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class CefBrowserPlatformDelegate;
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class CefDevToolsFrontend;
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struct CefNavigateParams;
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class SiteInstance;
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// Implementation of CefBrowser.
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//
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// WebContentsDelegate: Interface for handling WebContents delegations. There is
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// a one-to-one relationship between CefBrowserHostImpl and WebContents
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// instances.
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//
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// WebContentsObserver: Interface for observing WebContents notifications and
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// IPC messages. There is a one-to-one relationship between WebContents and
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// RenderViewHost instances. IPC messages received by the RenderViewHost will be
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// forwarded to this WebContentsObserver implementation via WebContents. IPC
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// messages sent using CefBrowserHostImpl::Send() will be forwarded to the
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// RenderViewHost (after posting to the UI thread if necessary). Use
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// WebContentsObserver::routing_id() when sending IPC messages.
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//
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// NotificationObserver: Interface for observing post-processed notifications.
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class CefBrowserHostImpl : public CefBrowserHost,
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public CefBrowser,
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public content::WebContentsDelegate,
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public content::WebContentsObserver,
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public content::NotificationObserver {
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public:
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// Used for handling the response to command messages.
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class CommandResponseHandler : public virtual CefBaseRefCounted {
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public:
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virtual void OnResponse(const std::string& response) = 0;
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};
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// Interface to implement for observers that wish to be informed of changes
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// to the CefBrowserHostImpl. All methods will be called on the UI thread.
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class Observer {
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public:
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// Called before |browser| is destroyed. Any references to |browser| should
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// be cleared when this method is called.
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virtual void OnBrowserDestroyed(CefBrowserHostImpl* browser) = 0;
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protected:
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virtual ~Observer() {}
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};
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~CefBrowserHostImpl() override;
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struct CreateParams {
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// Platform-specific window creation info. Will be nullptr when creating a
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// views-hosted browser.
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std::unique_ptr<CefWindowInfo> window_info;
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#if defined(USE_AURA)
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// The BrowserView that will own a views-hosted browser. Will be nullptr for
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// popup browsers (the BrowserView will be created later in that case).
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CefRefPtr<CefBrowserView> browser_view;
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#endif
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// Client implementation. May be nullptr.
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CefRefPtr<CefClient> client;
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// Initial URL to load. May be empty. If this is a valid extension URL then
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// the browser will be created as an app view extension host.
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GURL url;
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// Browser settings.
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CefBrowserSettings settings;
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// Other browser that opened this DevTools browser. Will be nullptr for non-
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// DevTools browsers.
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CefRefPtr<CefBrowserHostImpl> devtools_opener;
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// Request context to use when creating the browser. If nullptr the global
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// request context will be used.
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CefRefPtr<CefRequestContext> request_context;
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// Used when explicitly creating the browser as an extension host via
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// ProcessManager::CreateBackgroundHost.
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const extensions::Extension* extension = nullptr;
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extensions::ViewType extension_host_type = extensions::VIEW_TYPE_INVALID;
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};
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// Create a new CefBrowserHostImpl instance.
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static CefRefPtr<CefBrowserHostImpl> Create(CreateParams& create_params);
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// Returns the browser associated with the specified RenderViewHost.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForHost(
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const content::RenderViewHost* host);
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// Returns the browser associated with the specified RenderFrameHost.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForHost(
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const content::RenderFrameHost* host);
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// Returns the browser associated with the specified WebContents.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForContents(
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const content::WebContents* contents);
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// Returns the browser associated with the specified URLRequest.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForRequest(
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const net::URLRequest* request);
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// Returns the browser associated with the specified view routing IDs.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForView(int render_process_id,
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int render_routing_id);
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// Returns the browser associated with the specified frame routing IDs.
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static CefRefPtr<CefBrowserHostImpl> GetBrowserForFrame(
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int render_process_id,
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int render_routing_id);
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// CefBrowserHost methods.
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CefRefPtr<CefBrowser> GetBrowser() override;
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void CloseBrowser(bool force_close) override;
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bool TryCloseBrowser() override;
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void SetFocus(bool focus) override;
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CefWindowHandle GetWindowHandle() override;
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CefWindowHandle GetOpenerWindowHandle() override;
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bool HasView() override;
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CefRefPtr<CefClient> GetClient() override;
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CefRefPtr<CefRequestContext> GetRequestContext() override;
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double GetZoomLevel() override;
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void SetZoomLevel(double zoomLevel) override;
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void RunFileDialog(FileDialogMode mode,
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const CefString& title,
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const CefString& default_file_path,
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const std::vector<CefString>& accept_filters,
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int selected_accept_filter,
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CefRefPtr<CefRunFileDialogCallback> callback) override;
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void StartDownload(const CefString& url) override;
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void DownloadImage(const CefString& image_url,
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bool is_favicon,
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uint32 max_image_size,
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bool bypass_cache,
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CefRefPtr<CefDownloadImageCallback> callback) override;
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void Print() override;
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void PrintToPDF(const CefString& path,
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const CefPdfPrintSettings& settings,
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CefRefPtr<CefPdfPrintCallback> callback) override;
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void Find(int identifier,
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const CefString& searchText,
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bool forward,
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bool matchCase,
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bool findNext) override;
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void StopFinding(bool clearSelection) override;
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void ShowDevTools(const CefWindowInfo& windowInfo,
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CefRefPtr<CefClient> client,
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const CefBrowserSettings& settings,
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const CefPoint& inspect_element_at) override;
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void CloseDevTools() override;
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bool HasDevTools() override;
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void GetNavigationEntries(CefRefPtr<CefNavigationEntryVisitor> visitor,
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bool current_only) override;
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void SetMouseCursorChangeDisabled(bool disabled) override;
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bool IsMouseCursorChangeDisabled() override;
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bool IsWindowRenderingDisabled() override;
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void ReplaceMisspelling(const CefString& word) override;
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void AddWordToDictionary(const CefString& word) override;
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void WasResized() override;
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void WasHidden(bool hidden) override;
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void NotifyScreenInfoChanged() override;
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void Invalidate(PaintElementType type) override;
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void SendKeyEvent(const CefKeyEvent& event) override;
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void SendMouseClickEvent(const CefMouseEvent& event,
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MouseButtonType type,
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bool mouseUp,
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int clickCount) override;
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void SendMouseMoveEvent(const CefMouseEvent& event, bool mouseLeave) override;
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void SendMouseWheelEvent(const CefMouseEvent& event,
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int deltaX,
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int deltaY) override;
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void SendFocusEvent(bool setFocus) override;
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void SendCaptureLostEvent() override;
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void NotifyMoveOrResizeStarted() override;
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int GetWindowlessFrameRate() override;
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void SetWindowlessFrameRate(int frame_rate) override;
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void ImeSetComposition(const CefString& text,
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const std::vector<CefCompositionUnderline>& underlines,
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const CefRange& replacement_range,
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const CefRange& selection_range) override;
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void ImeCommitText(const CefString& text,
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const CefRange& replacement_range,
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int relative_cursor_pos) override;
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void ImeFinishComposingText(bool keep_selection) override;
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void ImeCancelComposition() override;
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void DragTargetDragEnter(CefRefPtr<CefDragData> drag_data,
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const CefMouseEvent& event,
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DragOperationsMask allowed_ops) override;
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void DragTargetDragOver(const CefMouseEvent& event,
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DragOperationsMask allowed_ops) override;
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void DragTargetDragLeave() override;
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void DragTargetDrop(const CefMouseEvent& event) override;
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void DragSourceSystemDragEnded() override;
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void DragSourceEndedAt(int x, int y, DragOperationsMask op) override;
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CefRefPtr<CefNavigationEntry> GetVisibleNavigationEntry() override;
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void SetAccessibilityState(cef_state_t accessibility_state) override;
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void SetAutoResizeEnabled(bool enabled,
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const CefSize& min_size,
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const CefSize& max_size) override;
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CefRefPtr<CefExtension> GetExtension() override;
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bool IsBackgroundHost() override;
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// CefBrowser methods.
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CefRefPtr<CefBrowserHost> GetHost() override;
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bool CanGoBack() override;
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void GoBack() override;
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bool CanGoForward() override;
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void GoForward() override;
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bool IsLoading() override;
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void Reload() override;
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void ReloadIgnoreCache() override;
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void StopLoad() override;
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int GetIdentifier() override;
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bool IsSame(CefRefPtr<CefBrowser> that) override;
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bool IsPopup() override;
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bool HasDocument() override;
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CefRefPtr<CefFrame> GetMainFrame() override;
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CefRefPtr<CefFrame> GetFocusedFrame() override;
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CefRefPtr<CefFrame> GetFrame(int64 identifier) override;
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CefRefPtr<CefFrame> GetFrame(const CefString& name) override;
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size_t GetFrameCount() override;
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void GetFrameIdentifiers(std::vector<int64>& identifiers) override;
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void GetFrameNames(std::vector<CefString>& names) override;
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bool SendProcessMessage(CefProcessId target_process,
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CefRefPtr<CefProcessMessage> message) override;
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// Returns true if windowless rendering is enabled.
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bool IsWindowless() const;
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// Returns true if this browser is views-hosted.
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bool IsViewsHosted() const;
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// Called when the OS window hosting the browser is destroyed.
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void WindowDestroyed();
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// Destroy the browser members. This method should only be called after the
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// native browser window is not longer processing messages.
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void DestroyBrowser();
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// Cancel display of the context menu, if any.
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void CancelContextMenu();
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#if defined(USE_AURA)
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// Returns the Widget owner for the browser window. Only used with windowed
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// rendering.
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views::Widget* GetWindowWidget() const;
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// Returns the BrowserView associated with this browser. Only used with views-
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// based browsers.
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CefRefPtr<CefBrowserView> GetBrowserView() const;
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#endif
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// Returns the frame associated with the specified URLRequest.
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CefRefPtr<CefFrame> GetFrameForRequest(net::URLRequest* request);
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// Navigate as specified by the |params| argument.
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void Navigate(const CefNavigateParams& params);
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// Load the specified request.
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void LoadRequest(int64 frame_id, CefRefPtr<CefRequest> request);
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// Load the specified URL.
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void LoadURL(int64 frame_id,
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const std::string& url,
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const content::Referrer& referrer,
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ui::PageTransition transition,
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const std::string& extra_headers);
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// Load the specified string.
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void LoadString(int64 frame_id,
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const std::string& string,
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const std::string& url);
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// Send a command to the renderer for execution.
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void SendCommand(int64 frame_id,
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const std::string& command,
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CefRefPtr<CefResponseManager::Handler> responseHandler);
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// Send code to the renderer for execution.
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void SendCode(int64 frame_id,
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bool is_javascript,
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const std::string& code,
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const std::string& script_url,
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int script_start_line,
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CefRefPtr<CefResponseManager::Handler> responseHandler);
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void ExecuteJavaScriptWithUserGestureForTests(int64 frame_id,
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const CefString& javascript);
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bool SendProcessMessage(CefProcessId target_process,
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const std::string& name,
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base::ListValue* arguments,
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bool user_initiated);
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// Open the specified text in the default text editor.
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void ViewText(const std::string& text);
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// Handler for URLs involving external protocols.
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void HandleExternalProtocol(const GURL& url);
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// Convert from view coordinates to screen coordinates. Potential display
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// scaling will be applied to the result.
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gfx::Point GetScreenPoint(const gfx::Point& view) const;
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void StartDragging(const content::DropData& drop_data,
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blink::WebDragOperationsMask allowed_ops,
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const gfx::ImageSkia& image,
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const gfx::Vector2d& image_offset,
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const content::DragEventSourceInfo& event_info,
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content::RenderWidgetHostImpl* source_rwh);
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void UpdateDragCursor(blink::WebDragOperation operation);
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// Thread safe accessors.
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const CefBrowserSettings& settings() const { return settings_; }
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SkColor GetBackgroundColor() const;
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CefRefPtr<CefClient> client() const { return client_; }
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scoped_refptr<CefBrowserInfo> browser_info() const { return browser_info_; }
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int browser_id() const;
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// Accessors that must be called on the UI thread.
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content::BrowserContext* GetBrowserContext();
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extensions::ExtensionHost* extension_host() const { return extension_host_; }
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void OnSetFocus(cef_focus_source_t source);
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// Run the file chooser dialog specified by |params|. Only a single dialog may
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// be pending at any given time. |callback| will be executed asynchronously
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// after the dialog is dismissed or if another dialog is already pending.
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void RunFileChooser(
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const CefFileDialogRunner::FileChooserParams& params,
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const CefFileDialogRunner::RunFileChooserCallback& callback);
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bool HandleContextMenu(content::WebContents* web_contents,
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const content::ContextMenuParams& params);
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// Returns the WebContents most likely to handle an action. If extensions are
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// enabled and this browser has a full-page guest (for example, a full-page
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// PDF viewer extension) then the guest's WebContents will be returned.
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// Otherwise, the browser's WebContents will be returned.
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content::WebContents* GetActionableWebContents();
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enum DestructionState {
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DESTRUCTION_STATE_NONE = 0,
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DESTRUCTION_STATE_PENDING,
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DESTRUCTION_STATE_ACCEPTED,
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DESTRUCTION_STATE_COMPLETED
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};
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DestructionState destruction_state() const { return destruction_state_; }
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// content::WebContentsDelegate methods.
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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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bool ShouldTransferNavigation(bool is_main_frame_navigation) override;
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void AddNewContents(content::WebContents* source,
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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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void LoadingStateChanged(content::WebContents* source,
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bool to_different_document) override;
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void CloseContents(content::WebContents* source) override;
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void UpdateTargetURL(content::WebContents* source, const GURL& url) override;
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bool DidAddMessageToConsole(content::WebContents* source,
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int32_t 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 BeforeUnloadFired(content::WebContents* source,
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bool proceed,
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bool* proceed_to_fire_unload) override;
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bool TakeFocus(content::WebContents* source, bool reverse) override;
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bool HandleContextMenu(const content::ContextMenuParams& params) 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 HandleKeyboardEvent(
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content::WebContents* source,
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const content::NativeWebKeyboardEvent& event) override;
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bool PreHandleGestureEvent(content::WebContents* source,
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const blink::WebGestureEvent& event) override;
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bool CanDragEnter(content::WebContents* source,
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const content::DropData& data,
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blink::WebDragOperationsMask operations_allowed) override;
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void GetCustomWebContentsView(
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content::WebContents* web_contents,
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const GURL& target_url,
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int opener_render_process_id,
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int opener_render_frame_id,
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content::WebContentsView** view,
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content::RenderViewHostDelegateView** delegate_view) 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 DidNavigateMainFramePostCommit(
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content::WebContents* web_contents) override;
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content::JavaScriptDialogManager* GetJavaScriptDialogManager(
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content::WebContents* source) override;
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void RunFileChooser(content::RenderFrameHost* render_frame_host,
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const content::FileChooserParams& params) override;
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bool EmbedsFullscreenWidget() const override;
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void EnterFullscreenModeForTab(content::WebContents* web_contents,
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const GURL& origin) override;
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void ExitFullscreenModeForTab(content::WebContents* web_contents) override;
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bool IsFullscreenForTabOrPending(
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const content::WebContents* web_contents) const override;
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blink::WebDisplayMode GetDisplayMode(
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const content::WebContents* web_contents) const 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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void UpdatePreferredSize(content::WebContents* source,
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const gfx::Size& pref_size) override;
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void ResizeDueToAutoResize(content::WebContents* source,
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const gfx::Size& new_size) 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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const content::MediaResponseCallback& callback) override;
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bool CheckMediaAccessPermission(content::WebContents* web_contents,
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const GURL& security_origin,
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content::MediaStreamType type) override;
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bool IsNeverVisible(content::WebContents* web_contents) override;
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// content::WebContentsObserver methods.
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using content::WebContentsObserver::BeforeUnloadFired;
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using content::WebContentsObserver::WasHidden;
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void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
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void RenderFrameDeleted(content::RenderFrameHost* render_frame_host) override;
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void RenderViewCreated(content::RenderViewHost* render_view_host) override;
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void RenderViewDeleted(content::RenderViewHost* render_view_host) override;
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void RenderViewReady() override;
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void RenderProcessGone(base::TerminationStatus status) override;
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void DidFinishNavigation(
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content::NavigationHandle* navigation_handle) override;
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void DocumentAvailableInMainFrame() 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 FrameDeleted(content::RenderFrameHost* render_frame_host) override;
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void TitleWasSet(content::NavigationEntry* entry, bool explicit_set) 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 DidUpdateFaviconURL(
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const std::vector<content::FaviconURL>& candidates) override;
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bool OnMessageReceived(const IPC::Message& message) override;
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bool OnMessageReceived(const IPC::Message& message,
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content::RenderFrameHost* render_frame_host) override;
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void AccessibilityEventReceived(
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const std::vector<content::AXEventNotificationDetails>& eventData)
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override;
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|
void AccessibilityLocationChangesReceived(
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const std::vector<content::AXLocationChangeNotificationDetails>& locData)
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override;
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|
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void OnWebContentsFocused(
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content::RenderWidgetHost* render_widget_host) override;
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// Override to provide a thread safe implementation.
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bool Send(IPC::Message* message) override;
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|
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// Manage observer objects. The observer must either outlive this object or
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// remove itself before destruction. These methods can only be called on the
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// UI thread.
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void AddObserver(Observer* observer);
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void RemoveObserver(Observer* observer);
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bool HasObserver(Observer* observer) const;
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|
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private:
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class DevToolsWebContentsObserver;
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|
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static CefRefPtr<CefBrowserHostImpl> CreateInternal(
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const CefBrowserSettings& settings,
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CefRefPtr<CefClient> client,
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content::WebContents* web_contents,
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scoped_refptr<CefBrowserInfo> browser_info,
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CefRefPtr<CefBrowserHostImpl> opener,
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bool is_devtools_popup,
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CefRefPtr<CefRequestContext> request_context,
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std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
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CefRefPtr<CefExtension> extension);
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|
|
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// content::WebContentsObserver::OnMessageReceived() message handlers.
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void OnFrameIdentified(int64 frame_id,
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|
int64 parent_frame_id,
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|
base::string16 name);
|
|
void OnFrameFocused(content::RenderFrameHost* render_frame_host);
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|
void OnDidFinishLoad(int64 frame_id,
|
|
const GURL& validated_url,
|
|
bool is_main_frame,
|
|
int http_status_code);
|
|
void OnUpdateDraggableRegions(
|
|
const std::vector<Cef_DraggableRegion_Params>& regions);
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|
void OnRequest(const Cef_Request_Params& params);
|
|
void OnResponse(const Cef_Response_Params& params);
|
|
void OnResponseAck(int request_id);
|
|
|
|
// content::NotificationObserver methods.
|
|
void Observe(int type,
|
|
const content::NotificationSource& source,
|
|
const content::NotificationDetails& details) override;
|
|
|
|
CefBrowserHostImpl(
|
|
const CefBrowserSettings& settings,
|
|
CefRefPtr<CefClient> client,
|
|
content::WebContents* web_contents,
|
|
scoped_refptr<CefBrowserInfo> browser_info,
|
|
CefRefPtr<CefBrowserHostImpl> opener,
|
|
CefRefPtr<CefRequestContext> request_context,
|
|
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
|
|
CefRefPtr<CefExtension> extension);
|
|
|
|
// Give the platform delegate an opportunity to create the host window.
|
|
bool CreateHostWindow();
|
|
|
|
// Create/delete the host for extensions.
|
|
void CreateExtensionHost(const extensions::Extension* extension,
|
|
content::BrowserContext* browser_context,
|
|
content::WebContents* host_contents,
|
|
const GURL& url,
|
|
extensions::ViewType host_type);
|
|
void DestroyExtensionHost();
|
|
void OnExtensionHostDeleted();
|
|
|
|
// Updates and returns an existing frame or creates a new frame. Pass
|
|
// CefFrameHostImpl::kUnspecifiedFrameId for |parent_frame_id| if unknown.
|
|
CefRefPtr<CefFrame> GetOrCreateFrame(int64 frame_id,
|
|
int64 parent_frame_id,
|
|
bool is_main_frame,
|
|
base::string16 frame_name,
|
|
const GURL& frame_url);
|
|
// Remove the references to all frames and mark them as detached.
|
|
void DetachAllFrames();
|
|
|
|
void OnAddressChange(CefRefPtr<CefFrame> frame, const GURL& url);
|
|
void OnLoadStart(CefRefPtr<CefFrame> frame,
|
|
ui::PageTransition transition_type);
|
|
void OnLoadError(CefRefPtr<CefFrame> frame, const GURL& url, int error_code);
|
|
void OnLoadEnd(CefRefPtr<CefFrame> frame,
|
|
const GURL& url,
|
|
int http_status_code);
|
|
void OnFullscreenModeChange(bool fullscreen);
|
|
void OnTitleChange(const base::string16& title);
|
|
|
|
void OnDevToolsWebContentsDestroyed();
|
|
|
|
// Create the CefFileDialogManager if it doesn't already exist.
|
|
void EnsureFileDialogManager();
|
|
|
|
CefBrowserSettings settings_;
|
|
CefRefPtr<CefClient> client_;
|
|
std::unique_ptr<content::WebContents> web_contents_;
|
|
scoped_refptr<CefBrowserInfo> browser_info_;
|
|
CefWindowHandle opener_;
|
|
CefRefPtr<CefRequestContext> request_context_;
|
|
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate_;
|
|
const bool is_windowless_;
|
|
const bool is_views_hosted_;
|
|
CefWindowHandle host_window_handle_;
|
|
|
|
// Volatile state information. All access must be protected by the state lock.
|
|
base::Lock state_lock_;
|
|
bool is_loading_;
|
|
bool can_go_back_;
|
|
bool can_go_forward_;
|
|
bool has_document_;
|
|
bool is_fullscreen_;
|
|
|
|
// Messages we queue while waiting for the RenderView to be ready. We queue
|
|
// them here instead of in the RenderProcessHost to ensure that they're sent
|
|
// after the CefRenderViewObserver has been created on the renderer side.
|
|
std::queue<IPC::Message*> queued_messages_;
|
|
bool queue_messages_;
|
|
|
|
// Map of unique frame ids to CefFrameHostImpl references.
|
|
typedef std::map<int64, CefRefPtr<CefFrameHostImpl>> FrameMap;
|
|
FrameMap frames_;
|
|
// The unique frame id currently identified as the main frame.
|
|
int64 main_frame_id_;
|
|
// The unique frame id currently identified as the focused frame.
|
|
int64 focused_frame_id_;
|
|
// Used when no other frame exists. Provides limited functionality.
|
|
CefRefPtr<CefFrameHostImpl> placeholder_frame_;
|
|
|
|
// Represents the current browser destruction state. Only accessed on the UI
|
|
// thread.
|
|
DestructionState destruction_state_;
|
|
|
|
// True if frame destruction is currently pending. Navigation should not occur
|
|
// while this flag is true.
|
|
bool frame_destruction_pending_;
|
|
|
|
// True if the OS window hosting the browser has been destroyed. Only accessed
|
|
// on the UI thread.
|
|
bool window_destroyed_;
|
|
|
|
// True if currently in the OnSetFocus callback. Only accessed on the UI
|
|
// thread.
|
|
bool is_in_onsetfocus_;
|
|
|
|
// True if the focus is currently on an editable field on the page. Only
|
|
// accessed on the UI thread.
|
|
bool focus_on_editable_field_;
|
|
|
|
// True if mouse cursor change is disabled.
|
|
bool mouse_cursor_change_disabled_;
|
|
|
|
// Used for managing notification subscriptions.
|
|
std::unique_ptr<content::NotificationRegistrar> registrar_;
|
|
|
|
// Manages response registrations.
|
|
std::unique_ptr<CefResponseManager> response_manager_;
|
|
|
|
// Used for creating and managing file dialogs.
|
|
std::unique_ptr<CefFileDialogManager> file_dialog_manager_;
|
|
|
|
// Used for creating and managing JavaScript dialogs.
|
|
std::unique_ptr<CefJavaScriptDialogManager> javascript_dialog_manager_;
|
|
|
|
// Used for creating and managing context menus.
|
|
std::unique_ptr<CefMenuManager> menu_manager_;
|
|
|
|
// Track the lifespan of the frontend WebContents associated with this
|
|
// browser.
|
|
std::unique_ptr<DevToolsWebContentsObserver> devtools_observer_;
|
|
// CefDevToolsFrontend will delete itself when the frontend WebContents is
|
|
// destroyed.
|
|
CefDevToolsFrontend* devtools_frontend_;
|
|
|
|
// Observers that want to be notified of changes to this object.
|
|
base::ObserverList<Observer> observers_;
|
|
|
|
// Used to provide unique incremental IDs for each find request.
|
|
int find_request_id_counter_ = 0;
|
|
|
|
// Used when the browser is hosting an extension.
|
|
extensions::ExtensionHost* extension_host_ = nullptr;
|
|
CefRefPtr<CefExtension> extension_;
|
|
bool is_background_host_ = false;
|
|
|
|
IMPLEMENT_REFCOUNTING(CefBrowserHostImpl);
|
|
DISALLOW_COPY_AND_ASSIGN(CefBrowserHostImpl);
|
|
};
|
|
|
|
#endif // CEF_LIBCEF_BROWSER_BROWSER_HOST_IMPL_H_
|