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// Copyright (c) 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.
#pragma once
#include "include/base/cef_bind.h"
#include "include/base/cef_ref_counted.h"
#include "include/wrapper/cef_closure_task.h"
#include "include/wrapper/cef_helpers.h"
#include "tests/cefclient/browser/client_handler_osr.h"
#include "tests/cefclient/browser/osr_accessibility_node.h"
#include "tests/cefclient/browser/osr_dragdrop_win.h"
#include "tests/cefclient/browser/osr_render_handler_win.h"
#include "tests/cefclient/browser/osr_renderer_settings.h"
namespace client {
class OsrAccessibilityHelper;
class OsrImeHandlerWin;
// Represents the native parent window for an off-screen browser. This object
// must live on the CEF UI thread in order to handle CefRenderHandler callbacks.
// The methods of this class are thread-safe unless otherwise indicated.
class OsrWindowWin
: public base::RefCountedThreadSafe<OsrWindowWin, CefDeleteOnUIThread>,
public ClientHandlerOsr::OsrDelegate
#if defined(CEF_USE_ATL)
public OsrDragEvents
// This interface is implemented by the owner of the OsrWindowWin. The
// methods of this class will be called on the main thread.
class Delegate {
// Called after the native window has been created.
virtual void OnOsrNativeWindowCreated(HWND hwnd) = 0;
virtual ~Delegate() {}
// |delegate| must outlive this object.
OsrWindowWin(Delegate* delegate, const OsrRendererSettings& settings);
// Create a new browser and native window.
void CreateBrowser(HWND parent_hwnd,
const RECT& rect,
CefRefPtr<CefClient> handler,
const CefBrowserSettings& settings,
CefRefPtr<CefDictionaryValue> extra_info,
CefRefPtr<CefRequestContext> request_context,
const std::string& startup_url);
// Show the popup window with correct parent and bounds in parent coordinates.
void ShowPopup(HWND parent_hwnd, int x, int y, size_t width, size_t height);
void Show();
void Hide();
void SetBounds(int x, int y, size_t width, size_t height);
void SetFocus();
void SetDeviceScaleFactor(float device_scale_factor);
const OsrRendererSettings& settings() const { return settings_; }
// Only allow deletion via scoped_refptr.
friend struct CefDeleteOnThread<TID_UI>;
friend class base::RefCountedThreadSafe<OsrWindowWin, CefDeleteOnUIThread>;
// Manage native window lifespan.
void Create(HWND parent_hwnd, const RECT& rect);
void Destroy();
void NotifyNativeWindowCreated(HWND hwnd);
static void RegisterOsrClass(HINSTANCE hInstance, HBRUSH background_brush);
UINT message,
WPARAM wParam,
LPARAM lParam);
// WndProc message handlers.
void OnMouseEvent(UINT message, WPARAM wParam, LPARAM lParam);
void OnSize();
void OnFocus(bool setFocus);
void OnCaptureLost();
void OnKeyEvent(UINT message, WPARAM wParam, LPARAM lParam);
void OnPaint();
bool OnEraseBkgnd();
bool OnTouchEvent(UINT message, WPARAM wParam, LPARAM lParam);
void OnIMESetContext(UINT message, WPARAM wParam, LPARAM lParam);
void OnIMEStartComposition();
void OnIMEComposition(UINT message, WPARAM wParam, LPARAM lParam);
void OnIMECancelCompositionEvent();
// Manage popup bounds.
bool IsOverPopupWidget(int x, int y) const;
int GetPopupXOffset() const;
int GetPopupYOffset() const;
void ApplyPopupOffset(int& x, int& y) const;
// ClientHandlerOsr::OsrDelegate methods.
void OnAfterCreated(CefRefPtr<CefBrowser> browser) OVERRIDE;
void OnBeforeClose(CefRefPtr<CefBrowser> browser) OVERRIDE;
bool GetRootScreenRect(CefRefPtr<CefBrowser> browser, CefRect& rect) OVERRIDE;
void GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) OVERRIDE;
bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
int viewX,
int viewY,
int& screenX,
int& screenY) OVERRIDE;
bool GetScreenInfo(CefRefPtr<CefBrowser> browser,
CefScreenInfo& screen_info) OVERRIDE;
void OnPopupShow(CefRefPtr<CefBrowser> browser, bool show) OVERRIDE;
void OnPopupSize(CefRefPtr<CefBrowser> browser, const CefRect& rect) OVERRIDE;
void OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer,
int width,
int height) OVERRIDE;
void OnAcceleratedPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
void* share_handle) OVERRIDE;
void OnCursorChange(CefRefPtr<CefBrowser> browser,
CefCursorHandle cursor,
CefRenderHandler::CursorType type,
const CefCursorInfo& custom_cursor_info) OVERRIDE;
bool StartDragging(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDragData> drag_data,
CefRenderHandler::DragOperationsMask allowed_ops,
int x,
int y) OVERRIDE;
void UpdateDragCursor(CefRefPtr<CefBrowser> browser,
CefRenderHandler::DragOperation operation) OVERRIDE;
void OnImeCompositionRangeChanged(
CefRefPtr<CefBrowser> browser,
const CefRange& selection_range,
const CefRenderHandler::RectList& character_bounds) OVERRIDE;
void UpdateAccessibilityTree(CefRefPtr<CefValue> value) OVERRIDE;
void UpdateAccessibilityLocation(CefRefPtr<CefValue> value) OVERRIDE;
#if defined(CEF_USE_ATL)
// OsrDragEvents methods.
CefBrowserHost::DragOperationsMask OnDragEnter(
CefRefPtr<CefDragData> drag_data,
CefMouseEvent ev,
CefBrowserHost::DragOperationsMask effect) OVERRIDE;
CefBrowserHost::DragOperationsMask OnDragOver(
CefMouseEvent ev,
CefBrowserHost::DragOperationsMask effect) OVERRIDE;
void OnDragLeave() OVERRIDE;
CefBrowserHost::DragOperationsMask OnDrop(
CefMouseEvent ev,
CefBrowserHost::DragOperationsMask effect) OVERRIDE;
#endif // defined(CEF_USE_ATL)
void EnsureRenderHandler();
// Only accessed on the main thread.
Delegate* delegate_;
const OsrRendererSettings settings_;
HWND hwnd_;
scoped_ptr<OsrRenderHandlerWin> render_handler_;
// Class that encapsulates IMM32 APIs and controls IMEs attached to a window.
scoped_ptr<OsrImeHandlerWin> ime_handler_;
RECT client_rect_;
float device_scale_factor_;
CefRefPtr<CefBrowser> browser_;
#if defined(CEF_USE_ATL)
CComPtr<DropTargetWin> drop_target_;
CefRenderHandler::DragOperation current_drag_op_;
// Class that abstracts the accessibility information received from the
// renderer.
scoped_ptr<OsrAccessibilityHelper> accessibility_handler_;
IAccessible* accessibility_root_;
bool hidden_;
// Mouse state tracking.
POINT last_mouse_pos_;
POINT current_mouse_pos_;
bool mouse_rotation_;
bool mouse_tracking_;
int last_click_x_;
int last_click_y_;
CefBrowserHost::MouseButtonType last_click_button_;
int last_click_count_;
double last_click_time_;
bool last_mouse_down_on_view_;
} // namespace client