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1 // Copyright 2016 The Chromium Embedded Framework Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be found
3 // in the LICENSE file.
4 
5 #ifndef CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_
6 #define CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_
7 #pragma once
8 
9 #include <map>
10 
11 #include "include/views/cef_window.h"
12 #include "include/views/cef_window_delegate.h"
13 
14 #include "libcef/browser/menu_model_impl.h"
15 #include "libcef/browser/views/panel_impl.h"
16 #include "libcef/browser/views/window_view.h"
17 
18 #include "ui/base/accelerators/accelerator.h"
19 #include "ui/views/controls/menu/menu_runner.h"
20 #include "ui/views/widget/widget.h"
21 
22 namespace views {
23 class MenuButton;
24 }
25 
26 class CefWindowImpl
27     : public CefPanelImpl<CefWindowView, CefWindow, CefWindowDelegate>,
28       public CefWindowView::Delegate,
29       public ui::AcceleratorTarget {
30  public:
31   typedef CefPanelImpl<CefWindowView, CefWindow, CefWindowDelegate> ParentClass;
32 
33   // Create a new CefWindow instance. |delegate| may be nullptr.
34   static CefRefPtr<CefWindowImpl> Create(CefRefPtr<CefWindowDelegate> delegate);
35 
36   // CefWindow methods:
37   void Show() override;
38   void Hide() override;
39   void CenterWindow(const CefSize& size) override;
40   void Close() override;
41   bool IsClosed() override;
42   void Activate() override;
43   void Deactivate() override;
44   bool IsActive() override;
45   void BringToTop() override;
46   void SetAlwaysOnTop(bool on_top) override;
47   bool IsAlwaysOnTop() override;
48   void Maximize() override;
49   void Minimize() override;
50   void Restore() override;
51   void SetFullscreen(bool fullscreen) override;
52   bool IsMaximized() override;
53   bool IsMinimized() override;
54   bool IsFullscreen() override;
55   void SetTitle(const CefString& title) override;
56   CefString GetTitle() override;
57   void SetWindowIcon(CefRefPtr<CefImage> image) override;
58   CefRefPtr<CefImage> GetWindowIcon() override;
59   void SetWindowAppIcon(CefRefPtr<CefImage> image) override;
60   CefRefPtr<CefImage> GetWindowAppIcon() override;
61   void ShowMenu(CefRefPtr<CefMenuModel> menu_model,
62                 const CefPoint& screen_point,
63                 cef_menu_anchor_position_t anchor_position) override;
64   void CancelMenu() override;
65   CefRefPtr<CefDisplay> GetDisplay() override;
66   CefRect GetClientAreaBoundsInScreen() override;
67   void SetDraggableRegions(
68       const std::vector<CefDraggableRegion>& regions) override;
69   CefWindowHandle GetWindowHandle() override;
70   void SendKeyPress(int key_code, uint32 event_flags) override;
71   void SendMouseMove(int screen_x, int screen_y) override;
72   void SendMouseEvents(cef_mouse_button_type_t button,
73                        bool mouse_down,
74                        bool mouse_up) override;
75   void SetAccelerator(int command_id,
76                       int key_code,
77                       bool shift_pressed,
78                       bool ctrl_pressed,
79                       bool alt_pressed) override;
80   void RemoveAccelerator(int command_id) override;
81   void RemoveAllAccelerators() override;
82 
83   // CefViewAdapter methods:
84   void Detach() override;
85 
86   // CefPanel methods:
AsWindow()87   CefRefPtr<CefWindow> AsWindow() override { return this; }
88 
89   // CefView methods:
90   void SetBounds(const CefRect& bounds) override;
91   CefRect GetBounds() override;
92   CefRect GetBoundsInScreen() override;
93   void SetSize(const CefSize& bounds) override;
94   void SetPosition(const CefPoint& position) override;
95   void SizeToPreferredSize() override;
96   void SetVisible(bool visible) override;
97   bool IsVisible() override;
98   bool IsDrawn() override;
99   void SetBackgroundColor(cef_color_t color) override;
100 
101   // CefWindowView::Delegate methods:
102   bool CanWidgetClose() override;
103   void OnWindowClosing() override;
104   void OnWindowViewDeleted() override;
105 
106   // CefViewAdapter methods:
GetDebugType()107   std::string GetDebugType() override { return "Window"; }
108   void GetDebugInfo(base::DictionaryValue* info,
109                     bool include_children) override;
110 
111   // ui::AcceleratorTarget methods:
112   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
113   bool CanHandleAccelerators() const override;
114 
115   // Called for key events that have not been handled by other controls in the
116   // window. Returns true if the event was handled.
117   bool OnKeyEvent(const CefKeyEvent& event);
118 
119   void ShowMenu(views::MenuButton* menu_button,
120                 CefRefPtr<CefMenuModel> menu_model,
121                 const CefPoint& screen_point,
122                 cef_menu_anchor_position_t anchor_position);
123   void MenuClosed();
124 
widget()125   views::Widget* widget() const { return widget_; }
126 
127  private:
128   // Create a new implementation object.
129   // Always call Initialize() after creation.
130   // |delegate| may be nullptr.
131   explicit CefWindowImpl(CefRefPtr<CefWindowDelegate> delegate);
132 
133   // CefViewImpl methods:
134   CefWindowView* CreateRootView() override;
135   void InitializeRootView() override;
136 
137   // Initialize the Widget.
138   void CreateWidget();
139 
140   views::Widget* widget_;
141 
142   // True if the window has been destroyed.
143   bool destroyed_;
144 
145   // The currently active menu model and runner.
146   CefRefPtr<CefMenuModelImpl> menu_model_;
147   std::unique_ptr<views::MenuRunner> menu_runner_;
148 
149   // Map of command_id to accelerator.
150   typedef std::map<int, ui::Accelerator> AcceleratorMap;
151   AcceleratorMap accelerator_map_;
152 
153 #if defined(USE_AURA)
154   // Native widget's handler to receive events after the event target.
155   std::unique_ptr<ui::EventHandler> unhandled_key_event_handler_;
156 #endif
157 
158   IMPLEMENT_REFCOUNTING_DELETE_ON_UIT(CefWindowImpl);
159   DISALLOW_COPY_AND_ASSIGN(CefWindowImpl);
160 };
161 
162 #endif  // CEF_LIBCEF_BROWSER_VIEWS_WINDOW_IMPL_H_
163