1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef COMPONENTS_NATIVE_APP_WINDOW_NATIVE_APP_WINDOW_VIEWS_H_
6#define COMPONENTS_NATIVE_APP_WINDOW_NATIVE_APP_WINDOW_VIEWS_H_
7
8#include "base/observer_list.h"
9#include "content/public/browser/web_contents_observer.h"
10#include "extensions/browser/app_window/app_window.h"
11#include "extensions/browser/app_window/native_app_window.h"
12#include "extensions/browser/app_window/size_constraints.h"
13#include "ui/gfx/rect.h"
14#include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
15#include "ui/views/widget/widget.h"
16#include "ui/views/widget/widget_delegate.h"
17#include "ui/views/widget/widget_observer.h"
18
19class SkRegion;
20
21namespace content {
22class BrowserContext;
23class RenderViewHost;
24class WebContents;
25}
26
27namespace extensions {
28class Extension;
29}
30
31namespace ui {
32class MenuModel;
33}
34
35namespace views {
36class MenuRunner;
37class WebView;
38}
39
40namespace native_app_window {
41
42// A NativeAppWindow backed by a views::Widget. This class may be used alone
43// as a stub or subclassed (for example, ChromeNativeAppWindowViews).
44class NativeAppWindowViews : public extensions::NativeAppWindow,
45                             public content::WebContentsObserver,
46                             public views::WidgetDelegateView,
47                             public views::WidgetObserver {
48 public:
49  NativeAppWindowViews();
50  virtual ~NativeAppWindowViews();
51  void Init(extensions::AppWindow* app_window,
52            const extensions::AppWindow::CreateParams& create_params);
53
54  // Signal that CanHaveTransparentBackground has changed.
55  void OnCanHaveAlphaEnabledChanged();
56
57  views::Widget* widget() { return widget_; }
58
59  void set_window_for_testing(views::Widget* window) { widget_ = window; }
60  void set_web_view_for_testing(views::WebView* view) { web_view_ = view; }
61
62 protected:
63  extensions::AppWindow* app_window() { return app_window_; }
64  const extensions::AppWindow* app_window() const { return app_window_; }
65
66  const views::Widget* widget() const { return widget_; }
67
68  views::WebView* web_view() { return web_view_; }
69
70  // Initializes |widget_| for |app_window|.
71  virtual void InitializeWindow(
72      extensions::AppWindow* app_window,
73      const extensions::AppWindow::CreateParams& create_params);
74
75  // ui::BaseWindow implementation.
76  virtual bool IsActive() const OVERRIDE;
77  virtual bool IsMaximized() const OVERRIDE;
78  virtual bool IsMinimized() const OVERRIDE;
79  virtual bool IsFullscreen() const OVERRIDE;
80  virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
81  virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
82  virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
83  virtual gfx::Rect GetBounds() const OVERRIDE;
84  virtual void Show() OVERRIDE;
85  virtual void ShowInactive() OVERRIDE;
86  virtual void Hide() OVERRIDE;
87  virtual void Close() OVERRIDE;
88  virtual void Activate() OVERRIDE;
89  virtual void Deactivate() OVERRIDE;
90  virtual void Maximize() OVERRIDE;
91  virtual void Minimize() OVERRIDE;
92  virtual void Restore() OVERRIDE;
93  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
94  virtual void FlashFrame(bool flash) OVERRIDE;
95  virtual bool IsAlwaysOnTop() const OVERRIDE;
96  virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
97
98  // WidgetDelegate implementation.
99  virtual void OnWidgetMove() OVERRIDE;
100  virtual views::View* GetInitiallyFocusedView() OVERRIDE;
101  virtual bool CanResize() const OVERRIDE;
102  virtual bool CanMaximize() const OVERRIDE;
103  virtual bool CanMinimize() const OVERRIDE;
104  virtual base::string16 GetWindowTitle() const OVERRIDE;
105  virtual bool ShouldShowWindowTitle() const OVERRIDE;
106  virtual bool ShouldShowWindowIcon() const OVERRIDE;
107  virtual void SaveWindowPlacement(const gfx::Rect& bounds,
108                                   ui::WindowShowState show_state) OVERRIDE;
109  virtual void DeleteDelegate() OVERRIDE;
110  virtual views::Widget* GetWidget() OVERRIDE;
111  virtual const views::Widget* GetWidget() const OVERRIDE;
112  virtual views::View* GetContentsView() OVERRIDE;
113  virtual bool ShouldDescendIntoChildForEventHandling(
114      gfx::NativeView child,
115      const gfx::Point& location) OVERRIDE;
116
117  // WidgetObserver implementation.
118  virtual void OnWidgetVisibilityChanged(views::Widget* widget,
119                                         bool visible) OVERRIDE;
120  virtual void OnWidgetActivationChanged(views::Widget* widget,
121                                         bool active) OVERRIDE;
122
123  // WebContentsObserver implementation.
124  virtual void RenderViewCreated(
125      content::RenderViewHost* render_view_host) OVERRIDE;
126  virtual void RenderViewHostChanged(
127      content::RenderViewHost* old_host,
128      content::RenderViewHost* new_host) OVERRIDE;
129
130  // views::View implementation.
131  virtual void Layout() OVERRIDE;
132  virtual void ViewHierarchyChanged(
133      const ViewHierarchyChangedDetails& details) OVERRIDE;
134  virtual gfx::Size GetMinimumSize() const OVERRIDE;
135  virtual gfx::Size GetMaximumSize() const OVERRIDE;
136  virtual void OnFocus() OVERRIDE;
137
138  // NativeAppWindow implementation.
139  virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
140  virtual bool IsFullscreenOrPending() const OVERRIDE;
141  virtual void UpdateWindowIcon() OVERRIDE;
142  virtual void UpdateWindowTitle() OVERRIDE;
143  virtual void UpdateBadgeIcon() OVERRIDE;
144  virtual void UpdateDraggableRegions(
145      const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
146  virtual SkRegion* GetDraggableRegion() OVERRIDE;
147  virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
148  virtual void HandleKeyboardEvent(
149      const content::NativeWebKeyboardEvent& event) OVERRIDE;
150  virtual bool IsFrameless() const OVERRIDE;
151  virtual bool HasFrameColor() const OVERRIDE;
152  virtual SkColor ActiveFrameColor() const OVERRIDE;
153  virtual SkColor InactiveFrameColor() const OVERRIDE;
154  virtual gfx::Insets GetFrameInsets() const OVERRIDE;
155  virtual void HideWithApp() OVERRIDE;
156  virtual void ShowWithApp() OVERRIDE;
157  virtual void UpdateShelfMenu() OVERRIDE;
158  virtual gfx::Size GetContentMinimumSize() const OVERRIDE;
159  virtual gfx::Size GetContentMaximumSize() const OVERRIDE;
160  virtual void SetContentSizeConstraints(const gfx::Size& min_size,
161                                         const gfx::Size& max_size) OVERRIDE;
162  virtual bool CanHaveAlphaEnabled() const OVERRIDE;
163  virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
164
165  // web_modal::WebContentsModalDialogHost implementation.
166  virtual gfx::NativeView GetHostView() const OVERRIDE;
167  virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
168  virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
169  virtual void AddObserver(
170      web_modal::ModalDialogHostObserver* observer) OVERRIDE;
171  virtual void RemoveObserver(
172      web_modal::ModalDialogHostObserver* observer) OVERRIDE;
173
174 private:
175  // Informs modal dialogs that they need to update their positions.
176  void OnViewWasResized();
177
178  extensions::AppWindow* app_window_;  // Not owned.
179  views::WebView* web_view_;
180  views::Widget* widget_;
181
182  scoped_ptr<SkRegion> draggable_region_;
183
184  bool frameless_;
185  bool resizable_;
186  extensions::SizeConstraints size_constraints_;
187
188  views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
189
190  ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
191
192  DISALLOW_COPY_AND_ASSIGN(NativeAppWindowViews);
193};
194
195}  // namespace native_app_window
196
197#endif  // COMPONENTS_NATIVE_APP_WINDOW_NATIVE_APP_WINDOW_VIEWS_H_
198