chrome/browser/ui/views/apps/native_app_window_views.h

   1 // Copyright 2013 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 CHROME_BROWSER_UI_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_
   6 #define CHROME_BROWSER_UI_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_
   7
   8 #include "apps/app_window.h"
   9 #include "apps/ui/native_app_window.h"
  10 #include "base/observer_list.h"
  11 #include "content/public/browser/web_contents_observer.h"
  12 #include "third_party/skia/include/core/SkRegion.h"
  13 #include "ui/gfx/image/image_skia.h"
  14 #include "ui/gfx/rect.h"
  15 #include "ui/views/context_menu_controller.h"
  16 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
  17 #include "ui/views/widget/widget.h"
  18 #include "ui/views/widget/widget_delegate.h"
  19 #include "ui/views/widget/widget_observer.h"
  20
  21 #if defined(USE_ASH)
  22 namespace ash {
  23 class ImmersiveFullscreenController;
  24 }
  25 #endif
  26
  27 class ExtensionKeybindingRegistryViews;
  28
  29 namespace apps {
  30 class AppWindowFrameView;
  31 }
  32
  33 namespace content {
  34 class BrowserContext;
  35 class RenderViewHost;
  36 class WebContents;
  37 }
  38
  39 namespace extensions {
  40 class Extension;
  41 }
  42
  43 namespace ui {
  44 class MenuModel;
  45 }
  46
  47 namespace views {
  48 class MenuRunner;
  49 class WebView;
  50 }
  51
  52 class NativeAppWindowViews : public apps::NativeAppWindow,
  53                              public content::WebContentsObserver,
  54                              public views::ContextMenuController,
  55                              public views::WidgetDelegateView,
  56                              public views::WidgetObserver {
  57  public:
  58   NativeAppWindowViews();
  59   virtual ~NativeAppWindowViews();
  60   void Init(apps::AppWindow* app_window,
  61             const apps::AppWindow::CreateParams& create_params);
  62
  63   SkRegion* shape() { return shape_.get(); }
  64
  65  protected:
  66   // Called before views::Widget::Init() to allow subclasses to customize
  67   // the InitParams that would be passed.
  68   virtual void OnBeforeWidgetInit(views::Widget::InitParams* init_params,
  69                                   views::Widget* widget);
  70
  71   // ui::BaseWindow implementation that subclasses may override.
  72   virtual void Show() OVERRIDE;
  73   virtual void Activate() OVERRIDE;
  74
  75   content::BrowserContext* browser_context() {
  76     return app_window_->browser_context();
  77   }
  78
  79   const extensions::Extension* extension() { return app_window_->extension(); }
  80   const views::Widget* window() const { return window_; }
  81
  82   virtual void InitializeDefaultWindow(
  83       const apps::AppWindow::CreateParams& create_params);
  84   virtual void InitializePanelWindow(
  85       const apps::AppWindow::CreateParams& create_params);
  86
  87  private:
  88   friend class ShapedAppWindowTargeterTest;
  89   FRIEND_TEST_ALL_PREFIXES(ShapedAppWindowTargeterTest,
  90                            ResizeInsetsWithinBounds);
  91
  92   void OnViewWasResized();
  93
  94   bool ShouldUseChromeStyleFrame() const;
  95
  96   // Installs an EasyResizeWindowTargeter on the containing window, which
  97   // allows the window to be resized from within |kResizeInsideBoundsSize|
  98   // pixels inside the window bounds.
  99   void InstallEasyResizeTargeterOnContainer() const;
 100
 101   // Caller owns the returned object.
 102   apps::AppWindowFrameView* CreateAppWindowFrameView();
 103
 104   // ui::BaseWindow implementation.
 105   virtual bool IsActive() const OVERRIDE;
 106   virtual bool IsMaximized() const OVERRIDE;
 107   virtual bool IsMinimized() const OVERRIDE;
 108   virtual bool IsFullscreen() const OVERRIDE;
 109   virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
 110   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
 111   virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
 112   virtual gfx::Rect GetBounds() const OVERRIDE;
 113   virtual void ShowInactive() OVERRIDE;
 114   virtual void Hide() OVERRIDE;
 115   virtual void Close() OVERRIDE;
 116   virtual void Deactivate() OVERRIDE;
 117   virtual void Maximize() OVERRIDE;
 118   virtual void Minimize() OVERRIDE;
 119   virtual void Restore() OVERRIDE;
 120   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
 121   virtual void FlashFrame(bool flash) OVERRIDE;
 122   virtual bool IsAlwaysOnTop() const OVERRIDE;
 123   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
 124
 125   // Overridden from views::ContextMenuController:
 126   virtual void ShowContextMenuForView(views::View* source,
 127                                       const gfx::Point& p,
 128                                       ui::MenuSourceType source_type) OVERRIDE;
 129
 130   // WidgetDelegate implementation.
 131   virtual void OnWidgetMove() OVERRIDE;
 132   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
 133   virtual bool CanResize() const OVERRIDE;
 134   virtual bool CanMaximize() const OVERRIDE;
 135   virtual base::string16 GetWindowTitle() const OVERRIDE;
 136   virtual bool ShouldShowWindowTitle() const OVERRIDE;
 137   virtual gfx::ImageSkia GetWindowAppIcon() OVERRIDE;
 138   virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
 139   virtual bool ShouldShowWindowIcon() const OVERRIDE;
 140   virtual void SaveWindowPlacement(const gfx::Rect& bounds,
 141                                    ui::WindowShowState show_state) OVERRIDE;
 142   virtual void DeleteDelegate() OVERRIDE;
 143   virtual views::Widget* GetWidget() OVERRIDE;
 144   virtual const views::Widget* GetWidget() const OVERRIDE;
 145   virtual views::View* GetContentsView() OVERRIDE;
 146   virtual views::NonClientFrameView* CreateNonClientFrameView(
 147       views::Widget* widget) OVERRIDE;
 148   virtual bool WidgetHasHitTestMask() const OVERRIDE;
 149   virtual void GetWidgetHitTestMask(gfx::Path* mask) const OVERRIDE;
 150   virtual bool ShouldDescendIntoChildForEventHandling(
 151       gfx::NativeView child,
 152       const gfx::Point& location) OVERRIDE;
 153
 154   // WidgetObserver implementation.
 155   virtual void OnWidgetVisibilityChanged(views::Widget* widget,
 156                                          bool visible) OVERRIDE;
 157   virtual void OnWidgetActivationChanged(views::Widget* widget,
 158                                          bool active) OVERRIDE;
 159
 160   // WebContentsObserver implementation.
 161   virtual void RenderViewCreated(
 162       content::RenderViewHost* render_view_host) OVERRIDE;
 163   virtual void RenderViewHostChanged(
 164       content::RenderViewHost* old_host,
 165       content::RenderViewHost* new_host) OVERRIDE;
 166
 167   // views::View implementation.
 168   virtual void Layout() OVERRIDE;
 169   virtual void ViewHierarchyChanged(
 170       const ViewHierarchyChangedDetails& details) OVERRIDE;
 171   virtual gfx::Size GetPreferredSize() OVERRIDE;
 172   virtual gfx::Size GetMinimumSize() OVERRIDE;
 173   virtual gfx::Size GetMaximumSize() OVERRIDE;
 174   virtual void OnFocus() OVERRIDE;
 175   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
 176
 177   // NativeAppWindow implementation.
 178   virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
 179   virtual bool IsFullscreenOrPending() const OVERRIDE;
 180   virtual bool IsDetached() const OVERRIDE;
 181   virtual void UpdateWindowIcon() OVERRIDE;
 182   virtual void UpdateWindowTitle() OVERRIDE;
 183   virtual void UpdateBadgeIcon() OVERRIDE;
 184   virtual void UpdateDraggableRegions(
 185       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
 186   virtual SkRegion* GetDraggableRegion() OVERRIDE;
 187   virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
 188   virtual void HandleKeyboardEvent(
 189       const content::NativeWebKeyboardEvent& event) OVERRIDE;
 190   virtual bool IsFrameless() const OVERRIDE;
 191   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
 192   virtual void HideWithApp() OVERRIDE;
 193   virtual void ShowWithApp() OVERRIDE;
 194   virtual void UpdateWindowMinMaxSize() OVERRIDE;
 195
 196   // web_modal::WebContentsModalDialogHost implementation.
 197   virtual gfx::NativeView GetHostView() const OVERRIDE;
 198   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
 199   virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
 200   virtual void AddObserver(
 201       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
 202   virtual void RemoveObserver(
 203       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
 204
 205   content::WebContents* web_contents() { return app_window_->web_contents(); }
 206
 207   apps::AppWindow* app_window_;  // Not owned.
 208   views::WebView* web_view_;
 209   views::Widget* window_;
 210   bool is_fullscreen_;
 211
 212   // Custom shape of the window. If this is not set then the window has a
 213   // default shape, usually rectangular.
 214   scoped_ptr<SkRegion> shape_;
 215
 216   scoped_ptr<SkRegion> draggable_region_;
 217
 218   bool frameless_;
 219   bool transparent_background_;
 220   gfx::Size preferred_size_;
 221   bool resizable_;
 222
 223   // The class that registers for keyboard shortcuts for extension commands.
 224   scoped_ptr<ExtensionKeybindingRegistryViews> extension_keybinding_registry_;
 225
 226   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
 227
 228 #if defined(USE_ASH)
 229   // Used to put non-frameless windows into immersive fullscreen on ChromeOS. In
 230   // immersive fullscreen, the window header (title bar and window controls)
 231   // slides onscreen as an overlay when the mouse is hovered at the top of the
 232   // screen.
 233   scoped_ptr<ash::ImmersiveFullscreenController>
 234       immersive_fullscreen_controller_;
 235 #endif
 236
 237   ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 238
 239   base::WeakPtrFactory<NativeAppWindowViews> weak_ptr_factory_;
 240
 241   // Used to show the system menu.
 242   scoped_ptr<views::MenuRunner> menu_runner_;
 243
 244   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowViews);
 245 };
 246
 247 #endif  // CHROME_BROWSER_UI_VIEWS_APPS_NATIVE_APP_WINDOW_VIEWS_H_