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