cef/libcef/browser/osr/browser_platform_delegate_o...

136 lines
6.3 KiB
C++

// Copyright 2015 The Chromium Embedded Framework 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_OSR_BROWSER_PLATFORM_DELEGATE_OSR_H_
#define CEF_LIBCEF_BROWSER_OSR_BROWSER_PLATFORM_DELEGATE_OSR_H_
#include "libcef/browser/alloy/browser_platform_delegate_alloy.h"
#include "libcef/browser/native/browser_platform_delegate_native.h"
class CefRenderWidgetHostViewOSR;
class CefWebContentsViewOSR;
namespace content {
class RenderWidgetHostImpl;
} // namespace content
// Base implementation of windowless browser functionality.
class CefBrowserPlatformDelegateOsr
: public CefBrowserPlatformDelegateAlloy,
public CefBrowserPlatformDelegateNative::WindowlessHandler {
public:
// CefBrowserPlatformDelegate methods:
void CreateViewForWebContents(
content::WebContentsView** view,
content::RenderViewHostDelegateView** delegate_view) override;
void WebContentsCreated(content::WebContents* web_contents,
bool owned) override;
void RenderViewCreated(content::RenderViewHost* render_view_host) override;
void BrowserCreated(CefBrowserHostBase* browser) override;
void NotifyBrowserDestroyed() override;
void BrowserDestroyed(CefBrowserHostBase* browser) override;
SkColor GetBackgroundColor() const override;
void WasResized() override;
void SendKeyEvent(const CefKeyEvent& event) override;
void SendMouseClickEvent(const CefMouseEvent& event,
CefBrowserHost::MouseButtonType type,
bool mouseUp,
int clickCount) override;
void SendMouseMoveEvent(const CefMouseEvent& event, bool mouseLeave) override;
void SendMouseWheelEvent(const CefMouseEvent& event,
int deltaX,
int deltaY) override;
void SendTouchEvent(const CefTouchEvent& event) override;
void SetFocus(bool setFocus) override;
gfx::Point GetScreenPoint(const gfx::Point& view,
bool want_dip_coords) const override;
void ViewText(const std::string& text) override;
bool HandleKeyboardEvent(
const content::NativeWebKeyboardEvent& event) override;
CefEventHandle GetEventHandle(
const content::NativeWebKeyboardEvent& event) const override;
std::unique_ptr<CefJavaScriptDialogRunner> CreateJavaScriptDialogRunner()
override;
std::unique_ptr<CefMenuRunner> CreateMenuRunner() override;
bool IsWindowless() const override;
void WasHidden(bool hidden) override;
bool IsHidden() const override;
void NotifyScreenInfoChanged() override;
void Invalidate(cef_paint_element_type_t type) override;
void SendExternalBeginFrame() 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,
cef_drag_operations_mask_t allowed_ops) override;
void DragTargetDragOver(const CefMouseEvent& event,
cef_drag_operations_mask_t allowed_ops) override;
void DragTargetDragLeave() override;
void DragTargetDrop(const CefMouseEvent& event) override;
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) override;
void UpdateDragCursor(ui::mojom::DragOperation operation) override;
void DragSourceEndedAt(int x, int y, cef_drag_operations_mask_t op) override;
void DragSourceSystemDragEnded() override;
void AccessibilityEventReceived(
const content::AXEventNotificationDetails& eventData) override;
void AccessibilityLocationChangesReceived(
const std::vector<content::AXLocationChangeNotificationDetails>& locData)
override;
// CefBrowserPlatformDelegateNative::WindowlessHandler methods:
CefWindowHandle GetParentWindowHandle() const override;
gfx::Point GetParentScreenPoint(const gfx::Point& view,
bool want_dip_coords) const override;
protected:
// Platform-specific behaviors will be delegated to |native_delegate|.
CefBrowserPlatformDelegateOsr(
std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate,
bool use_shared_texture,
bool use_external_begin_frame);
// Returns the primary OSR host view for the underlying browser. If a
// full-screen host view currently exists then it will be returned. Otherwise,
// the main host view will be returned.
CefRenderWidgetHostViewOSR* GetOSRHostView() const;
std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate_;
const bool use_shared_texture_;
const bool use_external_begin_frame_;
CefWebContentsViewOSR* view_osr_ = nullptr; // Not owned by this class.
// Pending drag/drop data.
CefRefPtr<CefDragData> drag_data_;
cef_drag_operations_mask_t drag_allowed_ops_;
// We keep track of the RenderWidgetHost we're dragging over. If it changes
// during a drag, we need to re-send the DragEnter message.
base::WeakPtr<content::RenderWidgetHostImpl> current_rwh_for_drag_;
// We also keep track of the RenderViewHost we're dragging over to avoid
// sending the drag exited message after leaving the current
// view. |current_rvh_for_drag_| should not be dereferenced.
void* current_rvh_for_drag_;
// We keep track of the RenderWidgetHost from which the current drag started,
// in order to properly route the drag end message to it.
base::WeakPtr<content::RenderWidgetHostImpl> drag_start_rwh_;
};
#endif // CEF_LIBCEF_BROWSER_OSR_BROWSER_PLATFORM_DELEGATE_OSR_H_