ui/views/widget/desktop_aura/desktop_native_widget_aura.h

   1 // Copyright (c) 2012 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 UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
   6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "ui/aura/client/focus_change_observer.h"
  10 #include "ui/aura/window_delegate.h"
  11 #include "ui/aura/window_tree_host_observer.h"
  12 #include "ui/base/cursor/cursor.h"
  13 #include "ui/views/ime/input_method_delegate.h"
  14 #include "ui/views/widget/native_widget_private.h"
  15 #include "ui/wm/core/compound_event_filter.h"
  16 #include "ui/wm/public/activation_change_observer.h"
  17 #include "ui/wm/public/activation_delegate.h"
  18 #include "ui/wm/public/drag_drop_delegate.h"
  19
  20 namespace aura {
  21 class WindowEventDispatcher;
  22 class WindowTreeHost;
  23 namespace client {
  24 class DragDropClient;
  25 class FocusClient;
  26 class ScreenPositionClient;
  27 class WindowTreeClient;
  28 }
  29 }
  30
  31 namespace wm {
  32 class CompoundEventFilter;
  33 class CursorManager;
  34 class FocusController;
  35 class InputMethodEventFilter;
  36 class ShadowController;
  37 class VisibilityController;
  38 class WindowModalityController;
  39 }
  40
  41 namespace views {
  42 namespace corewm {
  43 class TooltipController;
  44 }
  45 class DesktopCaptureClient;
  46 class DesktopDispatcherClient;
  47 class DesktopEventClient;
  48 class DesktopNativeCursorManager;
  49 class DesktopWindowTreeHost;
  50 class DropHelper;
  51 class FocusManagerEventHandler;
  52 class TooltipManagerAura;
  53 class WindowReorderer;
  54
  55 class VIEWS_EXPORT DesktopNativeWidgetAura
  56     : public internal::NativeWidgetPrivate,
  57       public aura::WindowDelegate,
  58       public aura::client::ActivationDelegate,
  59       public aura::client::ActivationChangeObserver,
  60       public aura::client::FocusChangeObserver,
  61       public views::internal::InputMethodDelegate,
  62       public aura::client::DragDropDelegate,
  63       public aura::WindowTreeHostObserver {
  64  public:
  65   explicit DesktopNativeWidgetAura(internal::NativeWidgetDelegate* delegate);
  66   virtual ~DesktopNativeWidgetAura();
  67
  68   // Maps from window to DesktopNativeWidgetAura. |window| must be a root
  69   // window.
  70   static DesktopNativeWidgetAura* ForWindow(aura::Window* window);
  71
  72   // Called by our DesktopWindowTreeHost after it has deleted native resources;
  73   // this is the signal that we should start our shutdown.
  74   virtual void OnHostClosed();
  75
  76   // TODO(beng): remove this method and replace with an implementation of
  77   //             WindowDestroying() that takes the window being destroyed.
  78   // Called from ~DesktopWindowTreeHost. This takes the WindowEventDispatcher
  79   // as by the time we get here |dispatcher_| is NULL.
  80   virtual void OnDesktopWindowTreeHostDestroyed(aura::WindowTreeHost* host);
  81
  82   wm::InputMethodEventFilter* input_method_event_filter() {
  83     return input_method_event_filter_.get();
  84   }
  85   wm::CompoundEventFilter* root_window_event_filter() {
  86     return root_window_event_filter_.get();
  87   }
  88   aura::WindowTreeHost* host() {
  89     return host_.get();
  90   }
  91
  92   // Ensures that the correct window is activated/deactivated based on whether
  93   // we are being activated/deactivated.
  94   void HandleActivationChanged(bool active);
  95
  96  protected:
  97   // Overridden from internal::NativeWidgetPrivate:
  98   virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
  99   virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
 100   virtual bool ShouldUseNativeFrame() const OVERRIDE;
 101   virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE;
 102   virtual void FrameTypeChanged() OVERRIDE;
 103   virtual Widget* GetWidget() OVERRIDE;
 104   virtual const Widget* GetWidget() const OVERRIDE;
 105   virtual gfx::NativeView GetNativeView() const OVERRIDE;
 106   virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
 107   virtual Widget* GetTopLevelWidget() OVERRIDE;
 108   virtual const ui::Compositor* GetCompositor() const OVERRIDE;
 109   virtual ui::Compositor* GetCompositor() OVERRIDE;
 110   virtual ui::Layer* GetLayer() OVERRIDE;
 111   virtual void ReorderNativeViews() OVERRIDE;
 112   virtual void ViewRemoved(View* view) OVERRIDE;
 113   virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
 114   virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
 115   virtual TooltipManager* GetTooltipManager() const OVERRIDE;
 116   virtual void SetCapture() OVERRIDE;
 117   virtual void ReleaseCapture() OVERRIDE;
 118   virtual bool HasCapture() const OVERRIDE;
 119   virtual InputMethod* CreateInputMethod() OVERRIDE;
 120   virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE;
 121   virtual ui::InputMethod* GetHostInputMethod() OVERRIDE;
 122   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
 123   virtual void GetWindowPlacement(
 124       gfx::Rect* bounds,
 125       ui::WindowShowState* maximized) const OVERRIDE;
 126   virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
 127   virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
 128                               const gfx::ImageSkia& app_icon) OVERRIDE;
 129   virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
 130   virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
 131   virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
 132   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
 133   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
 134   virtual void SetSize(const gfx::Size& size) OVERRIDE;
 135   virtual void StackAbove(gfx::NativeView native_view) OVERRIDE;
 136   virtual void StackAtTop() OVERRIDE;
 137   virtual void StackBelow(gfx::NativeView native_view) OVERRIDE;
 138   virtual void SetShape(gfx::NativeRegion shape) OVERRIDE;
 139   virtual void Close() OVERRIDE;
 140   virtual void CloseNow() OVERRIDE;
 141   virtual void Show() OVERRIDE;
 142   virtual void Hide() OVERRIDE;
 143   virtual void ShowMaximizedWithBounds(
 144       const gfx::Rect& restored_bounds) OVERRIDE;
 145   virtual void ShowWithWindowState(ui::WindowShowState state) OVERRIDE;
 146   virtual bool IsVisible() const OVERRIDE;
 147   virtual void Activate() OVERRIDE;
 148   virtual void Deactivate() OVERRIDE;
 149   virtual bool IsActive() const OVERRIDE;
 150   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
 151   virtual bool IsAlwaysOnTop() const OVERRIDE;
 152   virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE;
 153   virtual void Maximize() OVERRIDE;
 154   virtual void Minimize() OVERRIDE;
 155   virtual bool IsMaximized() const OVERRIDE;
 156   virtual bool IsMinimized() const OVERRIDE;
 157   virtual void Restore() OVERRIDE;
 158   virtual void SetFullscreen(bool fullscreen) OVERRIDE;
 159   virtual bool IsFullscreen() const OVERRIDE;
 160   virtual void SetOpacity(unsigned char opacity) OVERRIDE;
 161   virtual void SetUseDragFrame(bool use_drag_frame) OVERRIDE;
 162   virtual void FlashFrame(bool flash_frame) OVERRIDE;
 163   virtual void RunShellDrag(View* view,
 164                             const ui::OSExchangeData& data,
 165                             const gfx::Point& location,
 166                             int operation,
 167                             ui::DragDropTypes::DragEventSource source) OVERRIDE;
 168   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
 169   virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
 170   virtual bool IsMouseEventsEnabled() const OVERRIDE;
 171   virtual void ClearNativeFocus() OVERRIDE;
 172   virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
 173   virtual Widget::MoveLoopResult RunMoveLoop(
 174       const gfx::Vector2d& drag_offset,
 175       Widget::MoveLoopSource source,
 176       Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
 177   virtual void EndMoveLoop() OVERRIDE;
 178   virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
 179   virtual ui::NativeTheme* GetNativeTheme() const OVERRIDE;
 180   virtual void OnRootViewLayout() OVERRIDE;
 181   virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE;
 182   virtual void RepostNativeEvent(gfx::NativeEvent native_event) OVERRIDE;
 183
 184   // Overridden from aura::WindowDelegate:
 185   virtual gfx::Size GetMinimumSize() const OVERRIDE;
 186   virtual gfx::Size GetMaximumSize() const OVERRIDE;
 187   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
 188                                const gfx::Rect& new_bounds) OVERRIDE {}
 189   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE;
 190   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
 191   virtual bool ShouldDescendIntoChildForEventHandling(
 192       aura::Window* child,
 193       const gfx::Point& location) OVERRIDE;
 194   virtual bool CanFocus() OVERRIDE;
 195   virtual void OnCaptureLost() OVERRIDE;
 196   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 197   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
 198   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 199   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 200   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE;
 201   virtual bool HasHitTestMask() const OVERRIDE;
 202   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE;
 203
 204   // Overridden from ui::EventHandler:
 205   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE;
 206   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE;
 207   virtual void OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 208   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
 209
 210   // Overridden from aura::client::ActivationDelegate:
 211   virtual bool ShouldActivate() const OVERRIDE;
 212
 213   // Overridden from aura::client::ActivationChangeObserver:
 214   virtual void OnWindowActivated(aura::Window* gained_active,
 215                                  aura::Window* lost_active) OVERRIDE;
 216
 217   // Overridden from aura::client::FocusChangeObserver:
 218   virtual void OnWindowFocused(aura::Window* gained_focus,
 219                                aura::Window* lost_focus) OVERRIDE;
 220
 221   // Overridden from views::internal::InputMethodDelegate:
 222   virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) OVERRIDE;
 223
 224   // Overridden from aura::client::DragDropDelegate:
 225   virtual void OnDragEntered(const ui::DropTargetEvent& event) OVERRIDE;
 226   virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
 227   virtual void OnDragExited() OVERRIDE;
 228   virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
 229
 230   // Overridden from aura::WindowTreeHostObserver:
 231   virtual void OnHostCloseRequested(const aura::WindowTreeHost* host) OVERRIDE;
 232   virtual void OnHostResized(const aura::WindowTreeHost* host) OVERRIDE;
 233   virtual void OnHostMoved(const aura::WindowTreeHost* host,
 234                            const gfx::Point& new_origin) OVERRIDE;
 235
 236  private:
 237   friend class FocusManagerEventHandler;
 238   friend class RootWindowDestructionObserver;
 239
 240   // Installs the input method filter.
 241   void InstallInputMethodEventFilter();
 242
 243   // To save a clear on platforms where the window is never transparent, the
 244   // window is only set as transparent when the glass frame is in use.
 245   void UpdateWindowTransparency();
 246
 247   void RootWindowDestroyed();
 248
 249   scoped_ptr<aura::WindowTreeHost> host_;
 250   DesktopWindowTreeHost* desktop_window_tree_host_;
 251
 252   // See class documentation for Widget in widget.h for a note about ownership.
 253   Widget::InitParams::Ownership ownership_;
 254
 255   scoped_ptr<DesktopCaptureClient> capture_client_;
 256
 257   // The following factory is used for calls to close the NativeWidgetAura
 258   // instance.
 259   base::WeakPtrFactory<DesktopNativeWidgetAura> close_widget_factory_;
 260
 261   // Child of the root, contains |content_window_|.
 262   aura::Window* content_window_container_;
 263
 264   // Child of |content_window_container_|. This is the return value from
 265   // GetNativeView().
 266   // WARNING: this may be NULL, in particular during shutdown it becomes NULL.
 267   aura::Window* content_window_;
 268
 269   internal::NativeWidgetDelegate* native_widget_delegate_;
 270
 271   scoped_ptr<wm::FocusController> focus_client_;
 272   scoped_ptr<DesktopDispatcherClient> dispatcher_client_;
 273   scoped_ptr<aura::client::ScreenPositionClient> position_client_;
 274   scoped_ptr<aura::client::DragDropClient> drag_drop_client_;
 275   scoped_ptr<aura::client::WindowTreeClient> window_tree_client_;
 276   scoped_ptr<DesktopEventClient> event_client_;
 277   scoped_ptr<FocusManagerEventHandler> focus_manager_event_handler_;
 278
 279   // Toplevel event filter which dispatches to other event filters.
 280   scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_;
 281
 282   scoped_ptr<wm::InputMethodEventFilter> input_method_event_filter_;
 283
 284   scoped_ptr<DropHelper> drop_helper_;
 285   int last_drop_operation_;
 286
 287   scoped_ptr<corewm::TooltipController> tooltip_controller_;
 288   scoped_ptr<TooltipManagerAura> tooltip_manager_;
 289
 290   scoped_ptr<wm::VisibilityController> visibility_controller_;
 291
 292   scoped_ptr<wm::WindowModalityController>
 293       window_modality_controller_;
 294
 295   bool restore_focus_on_activate_;
 296
 297   gfx::NativeCursor cursor_;
 298   // We must manually reference count the number of users of |cursor_manager_|
 299   // because the cursors created by |cursor_manager_| are shared among the
 300   // DNWAs. We can't just stuff this in a LazyInstance because we need to
 301   // destroy this as the last DNWA happens; we can't put it off until
 302   // (potentially) after we tear down the X11 connection because that's a
 303   // crash.
 304   static int cursor_reference_count_;
 305   static wm::CursorManager* cursor_manager_;
 306   static views::DesktopNativeCursorManager* native_cursor_manager_;
 307
 308   scoped_ptr<wm::ShadowController> shadow_controller_;
 309
 310   // Reorders child windows of |window_| associated with a view based on the
 311   // order of the associated views in the widget's view hierarchy.
 312   scoped_ptr<WindowReorderer> window_reorderer_;
 313
 314   // See class documentation for Widget in widget.h for a note about type.
 315   Widget::InitParams::Type widget_type_;
 316
 317   DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura);
 318 };
 319
 320 }  // namespace views
 321
 322 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_