cef/libcef/browser/alloy/alloy_browser_host_impl.h

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16 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_BROWSER_ALLOY_ALLOY_BROWSER_HOST_IMPL_H_
#define CEF_LIBCEF_BROWSER_ALLOY_ALLOY_BROWSER_HOST_IMPL_H_
#pragma once
#include <map>
#include <string>
#include <vector>
#include "include/cef_browser.h"
#include "include/cef_client.h"
#include "include/cef_frame.h"
#include "libcef/browser/browser_host_base.h"
#include "libcef/browser/browser_info.h"
#include "libcef/browser/frame_host_impl.h"
#include "libcef/browser/javascript_dialog_manager.h"
#include "libcef/browser/menu_manager.h"
#include "libcef/browser/request_context_impl.h"
#include "base/synchronization/lock.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "extensions/common/mojom/view_type.mojom-forward.h"
class CefAudioCapturer;
class CefBrowserInfo;
class SiteInstance;
// CefBrowser implementation for the alloy runtime. Method calls are delegated
// to the CefPlatformDelegate or the WebContents as appropriate. All methods are
// thread-safe unless otherwise indicated.
//
// WebContentsDelegate: Interface for handling WebContents delegations. There is
// a one-to-one relationship between AlloyBrowserHostImpl and WebContents
// instances.
//
// WebContentsObserver: Interface for observing WebContents notifications and
// IPC messages. There is a one-to-one relationship between WebContents and
// RenderViewHost instances. IPC messages received by the RenderViewHost will be
// forwarded to this WebContentsObserver implementation via WebContents. IPC
// messages sent using AlloyBrowserHostImpl::Send() will be forwarded to the
// RenderViewHost (after posting to the UI thread if necessary). Use
// WebContentsObserver::routing_id() when sending IPC messages.
class AlloyBrowserHostImpl : public CefBrowserHostBase,
public content::WebContentsDelegate,
public content::WebContentsObserver {
public:
// Used for handling the response to command messages.
class CommandResponseHandler : public virtual CefBaseRefCounted {
public:
virtual void OnResponse(const std::string& response) = 0;
};
~AlloyBrowserHostImpl() override;
// Create a new AlloyBrowserHostImpl instance with owned WebContents.
static CefRefPtr<AlloyBrowserHostImpl> Create(
CefBrowserCreateParams& create_params);
// Returns the browser associated with the specified RenderViewHost.
static CefRefPtr<AlloyBrowserHostImpl> GetBrowserForHost(
const content::RenderViewHost* host);
// Returns the browser associated with the specified RenderFrameHost.
static CefRefPtr<AlloyBrowserHostImpl> GetBrowserForHost(
const content::RenderFrameHost* host);
// Returns the browser associated with the specified WebContents.
static CefRefPtr<AlloyBrowserHostImpl> GetBrowserForContents(
const content::WebContents* contents);
// Returns the browser associated with the specified global ID.
static CefRefPtr<AlloyBrowserHostImpl> GetBrowserForGlobalId(
const content::GlobalRenderFrameHostId& global_id);
// CefBrowserHost methods.
void CloseBrowser(bool force_close) override;
bool TryCloseBrowser() override;
CefWindowHandle GetWindowHandle() override;
CefWindowHandle GetOpenerWindowHandle() override;
double GetZoomLevel() override;
void SetZoomLevel(double zoomLevel) override;
void Print() override;
void PrintToPDF(const CefString& path,
const CefPdfPrintSettings& settings,
CefRefPtr<CefPdfPrintCallback> callback) override;
void Find(const CefString& searchText,
bool forward,
bool matchCase,
bool findNext) override;
void StopFinding(bool clearSelection) override;
void ShowDevTools(const CefWindowInfo& windowInfo,
CefRefPtr<CefClient> client,
const CefBrowserSettings& settings,
const CefPoint& inspect_element_at) override;
void CloseDevTools() override;
bool HasDevTools() override;
bool IsWindowRenderingDisabled() override;
void WasResized() override;
void WasHidden(bool hidden) override;
void NotifyScreenInfoChanged() override;
void Invalidate(PaintElementType type) override;
void SendExternalBeginFrame() override;
void SendTouchEvent(const CefTouchEvent& event) override;
void SendCaptureLostEvent() override;
int GetWindowlessFrameRate() override;
void SetWindowlessFrameRate(int frame_rate) override;
void ImeSetComposition(const CefString& text,
const std::vector<CefCompositionUnderline>& underlines,
const CefRange& replacement_range,
const CefRange& selection_range) override;
void ImeCommitText(const CefString& text,
const CefRange& replacement_range,
int relative_cursor_pos) override;
void ImeFinishComposingText(bool keep_selection) override;
void ImeCancelComposition() override;
void DragTargetDragEnter(CefRefPtr<CefDragData> drag_data,
const CefMouseEvent& event,
DragOperationsMask allowed_ops) override;
void DragTargetDragOver(const CefMouseEvent& event,
DragOperationsMask allowed_ops) override;
void DragTargetDragLeave() override;
void DragTargetDrop(const CefMouseEvent& event) override;
void DragSourceSystemDragEnded() override;
void DragSourceEndedAt(int x, int y, DragOperationsMask op) override;
void SetAudioMuted(bool mute) override;
bool IsAudioMuted() override;
void SetAccessibilityState(cef_state_t accessibility_state) override;
void SetAutoResizeEnabled(bool enabled,
const CefSize& min_size,
const CefSize& max_size) override;
CefRefPtr<CefExtension> GetExtension() override;
bool IsBackgroundHost() override;
// Returns true if windowless rendering is enabled.
bool IsWindowless() const override;
bool IsVisible() const override;
// Returns true if this browser supports picture-in-picture.
bool IsPictureInPictureSupported() const;
// Called when the OS window hosting the browser is destroyed.
void WindowDestroyed() override;
bool WillBeDestroyed() const override;
// Destroy the browser members. This method should only be called after the
// native browser window is not longer processing messages.
void DestroyBrowser() override;
// Cancel display of the context menu, if any.
void CancelContextMenu();
bool MaybeAllowNavigation(content::RenderFrameHost* opener,
bool is_guest_view,
const content::OpenURLParams& params) override;
// Convert from view DIP coordinates to screen coordinates. If
// |want_dip_coords| is true return DIP instead of device (pixel) coordinates
// on Windows/Linux.
gfx::Point GetScreenPoint(const gfx::Point& view, bool want_dip_coords) const;
void StartDragging(const content::DropData& drop_data,
blink::DragOperationsMask allowed_ops,
const gfx::ImageSkia& image,
const gfx::Vector2d& image_offset,
const blink::mojom::DragEventSourceInfo& event_info,
content::RenderWidgetHostImpl* source_rwh);
void UpdateDragCursor(ui::mojom::DragOperation operation);
// Accessors that must be called on the UI thread.
extensions::ExtensionHost* GetExtensionHost() const;
void OnSetFocus(cef_focus_source_t source) override;
bool ShowContextMenu(const content::ContextMenuParams& params);
enum DestructionState {
DESTRUCTION_STATE_NONE = 0,
DESTRUCTION_STATE_PENDING,
DESTRUCTION_STATE_ACCEPTED,
DESTRUCTION_STATE_COMPLETED
};
DestructionState destruction_state() const { return destruction_state_; }
// content::WebContentsDelegate methods.
content::WebContents* OpenURLFromTab(
content::WebContents* source,
const content::OpenURLParams& params) override;
bool ShouldAllowRendererInitiatedCrossProcessNavigation(
bool is_main_frame_navigation) override;
void AddNewContents(content::WebContents* source,
std::unique_ptr<content::WebContents> new_contents,
const GURL& target_url,
WindowOpenDisposition disposition,
const gfx::Rect& initial_rect,
bool user_gesture,
bool* was_blocked) override;
void LoadingStateChanged(content::WebContents* source,
bool should_show_loading_ui) override;
void CloseContents(content::WebContents* source) override;
void UpdateTargetURL(content::WebContents* source, const GURL& url) override;
bool DidAddMessageToConsole(content::WebContents* source,
blink::mojom::ConsoleMessageLevel log_level,
const std::u16string& message,
int32_t line_no,
const std::u16string& source_id) override;
void BeforeUnloadFired(content::WebContents* source,
bool proceed,
bool* proceed_to_fire_unload) override;
bool TakeFocus(content::WebContents* source, bool reverse) override;
void CanDownload(const GURL& url,
const std::string& request_method,
base::OnceCallback<void(bool)> callback) override;
content::KeyboardEventProcessingResult PreHandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) override;
bool HandleKeyboardEvent(
content::WebContents* source,
const content::NativeWebKeyboardEvent& event) override;
bool PreHandleGestureEvent(content::WebContents* source,
const blink::WebGestureEvent& event) override;
bool CanDragEnter(content::WebContents* source,
const content::DropData& data,
blink::DragOperationsMask operations_allowed) override;
void GetCustomWebContentsView(
content::WebContents* web_contents,
const GURL& target_url,
int opener_render_process_id,
int opener_render_frame_id,
content::WebContentsView** view,
content::RenderViewHostDelegateView** delegate_view) override;
void WebContentsCreated(content::WebContents* source_contents,
int opener_render_process_id,
int opener_render_frame_id,
const std::string& frame_name,
const GURL& target_url,
content::WebContents* new_contents) override;
void DidNavigatePrimaryMainFramePostCommit(
content::WebContents* web_contents) override;
content::JavaScriptDialogManager* GetJavaScriptDialogManager(
content::WebContents* source) override;
void RunFileChooser(content::RenderFrameHost* render_frame_host,
scoped_refptr<content::FileSelectListener> listener,
const blink::mojom::FileChooserParams& params) override;
void EnterFullscreenModeForTab(
content::RenderFrameHost* requesting_frame,
const blink::mojom::FullscreenOptions& options) override;
void ExitFullscreenModeForTab(content::WebContents* web_contents) override;
bool IsFullscreenForTabOrPending(
const content::WebContents* web_contents) override;
blink::mojom::DisplayMode GetDisplayMode(
const content::WebContents* web_contents) override;
void FindReply(content::WebContents* web_contents,
int request_id,
int number_of_matches,
const gfx::Rect& selection_rect,
int active_match_ordinal,
bool final_update) override;
void UpdatePreferredSize(content::WebContents* source,
const gfx::Size& pref_size) override;
void ResizeDueToAutoResize(content::WebContents* source,
const gfx::Size& new_size) override;
void RequestMediaAccessPermission(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback) override;
bool CheckMediaAccessPermission(content::RenderFrameHost* render_frame_host,
const GURL& security_origin,
blink::mojom::MediaStreamType type) override;
bool IsNeverComposited(content::WebContents* web_contents) override;
content::PictureInPictureResult EnterPictureInPicture(
content::WebContents* web_contents) override;
void ExitPictureInPicture() override;
bool IsBackForwardCacheSupported() override;
bool IsPrerender2Supported(content::WebContents& web_contents) override;
// content::WebContentsObserver methods.
using content::WebContentsObserver::BeforeUnloadFired;
void DidFinishNavigation(
content::NavigationHandle* navigation_handle) override;
void OnAudioStateChanged(bool audible) override;
void AccessibilityEventReceived(
const content::AXEventNotificationDetails& content_event_bundle) override;
void AccessibilityLocationChangesReceived(
const std::vector<content::AXLocationChangeNotificationDetails>& locData)
override;
void WebContentsDestroyed() override;
private:
friend class CefBrowserPlatformDelegateAlloy;
static CefRefPtr<AlloyBrowserHostImpl> CreateInternal(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
bool own_web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<AlloyBrowserHostImpl> opener,
bool is_devtools_popup,
CefRefPtr<CefRequestContextImpl> request_context,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
CefRefPtr<CefExtension> extension);
AlloyBrowserHostImpl(
const CefBrowserSettings& settings,
CefRefPtr<CefClient> client,
content::WebContents* web_contents,
scoped_refptr<CefBrowserInfo> browser_info,
CefRefPtr<AlloyBrowserHostImpl> opener,
CefRefPtr<CefRequestContextImpl> request_context,
std::unique_ptr<CefBrowserPlatformDelegate> platform_delegate,
CefRefPtr<CefExtension> extension);
// Give the platform delegate an opportunity to create the host window.
bool CreateHostWindow();
void StartAudioCapturer();
void OnRecentlyAudibleTimerFired();
CefWindowHandle opener_;
const bool is_windowless_;
CefWindowHandle host_window_handle_ = kNullWindowHandle;
CefRefPtr<CefExtension> extension_;
bool is_background_host_ = false;
// Represents the current browser destruction state. Only accessed on the UI
// thread.
DestructionState destruction_state_ = DESTRUCTION_STATE_NONE;
// True if the OS window hosting the browser has been destroyed. Only accessed
// on the UI thread.
bool window_destroyed_ = false;
// 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_;
// Used for capturing audio for CefAudioHandler.
std::unique_ptr<CefAudioCapturer> audio_capturer_;
// Timer for determining when "recently audible" transitions to false. This
// starts running when a tab stops being audible, and is canceled if it starts
// being audible again before it fires.
std::unique_ptr<base::OneShotTimer> recently_audible_timer_;
};
#endif // CEF_LIBCEF_BROWSER_ALLOY_ALLOY_BROWSER_HOST_IMPL_H_