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 19 class SkRegion; 20 21 namespace content { 22 class BrowserContext; 23 class RenderViewHost; 24 class WebContents; 25 } 26 27 namespace extensions { 28 class Extension; 29 } 30 31 namespace ui { 32 class MenuModel; 33 } 34 35 namespace views { 36 class MenuRunner; 37 class WebView; 38 } 39 40 namespace 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). 44 class 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
