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.
5 #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_
8 #include "ui/aura/client/animation_host.h"
9 #include "ui/aura/window_tree_host.h"
10 #include "ui/views/views_export.h"
11 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h"
12 #include "ui/views/win/hwnd_message_handler_delegate.h"
18 class ScopedTooltipDisabler;
23 class DesktopCursorClient;
24 class DesktopDragDropClientWin;
25 class HWNDMessageHandler;
31 class VIEWS_EXPORT DesktopWindowTreeHostWin
32 : public DesktopWindowTreeHost,
33 public aura::client::AnimationHost,
34 public aura::WindowTreeHost,
35 public ui::EventSource,
36 public HWNDMessageHandlerDelegate {
38 DesktopWindowTreeHostWin(
39 internal::NativeWidgetDelegate* native_widget_delegate,
40 DesktopNativeWidgetAura* desktop_native_widget_aura);
41 virtual ~DesktopWindowTreeHostWin();
43 // A way of converting an HWND into a content window.
44 static aura::Window* GetContentWindowForHWND(HWND hwnd);
47 // Overridden from DesktopWindowTreeHost:
48 virtual void Init(aura::Window* content_window,
49 const Widget::InitParams& params,
50 aura::RootWindow::CreateParams* rw_create_params) OVERRIDE;
51 virtual void OnRootWindowCreated(aura::RootWindow* root,
52 const Widget::InitParams& params) OVERRIDE;
53 virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE;
54 virtual scoped_ptr<aura::client::DragDropClient>
55 CreateDragDropClient(DesktopNativeCursorManager* cursor_manager) OVERRIDE;
56 virtual void Close() OVERRIDE;
57 virtual void CloseNow() OVERRIDE;
58 virtual aura::WindowTreeHost* AsWindowTreeHost() OVERRIDE;
59 virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE;
60 virtual void ShowMaximizedWithBounds(
61 const gfx::Rect& restored_bounds) OVERRIDE;
62 virtual bool IsVisible() const OVERRIDE;
63 virtual void SetSize(const gfx::Size& size) OVERRIDE;
64 virtual void StackAtTop() OVERRIDE;
65 virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
66 virtual void GetWindowPlacement(
68 ui::WindowShowState* show_state) const OVERRIDE;
69 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE;
70 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
71 virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
72 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE;
73 virtual void SetShape(gfx::NativeRegion native_region) OVERRIDE;
74 virtual void Activate() OVERRIDE;
75 virtual void Deactivate() OVERRIDE;
76 virtual bool IsActive() const OVERRIDE;
77 virtual void Maximize() OVERRIDE;
78 virtual void Minimize() OVERRIDE;
79 virtual void Restore() OVERRIDE;
80 virtual bool IsMaximized() const OVERRIDE;
81 virtual bool IsMinimized() const OVERRIDE;
82 virtual bool HasCapture() const OVERRIDE;
83 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
84 virtual bool IsAlwaysOnTop() const OVERRIDE;
85 virtual bool SetWindowTitle(const base::string16& title) OVERRIDE;
86 virtual void ClearNativeFocus() OVERRIDE;
87 virtual Widget::MoveLoopResult RunMoveLoop(
88 const gfx::Vector2d& drag_offset,
89 Widget::MoveLoopSource source,
90 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE;
91 virtual void EndMoveLoop() OVERRIDE;
92 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE;
93 virtual bool ShouldUseNativeFrame() const OVERRIDE;
94 virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE;
95 virtual void FrameTypeChanged() OVERRIDE;
96 virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
97 virtual void SetFullscreen(bool fullscreen) OVERRIDE;
98 virtual bool IsFullscreen() const OVERRIDE;
99 virtual void SetOpacity(unsigned char opacity) OVERRIDE;
100 virtual void SetWindowIcons(const gfx::ImageSkia& window_icon,
101 const gfx::ImageSkia& app_icon) OVERRIDE;
102 virtual void InitModalType(ui::ModalType modal_type) OVERRIDE;
103 virtual void FlashFrame(bool flash_frame) OVERRIDE;
104 virtual void OnRootViewLayout() const OVERRIDE;
105 virtual void OnNativeWidgetFocus() OVERRIDE;
106 virtual void OnNativeWidgetBlur() OVERRIDE;
107 virtual bool IsAnimatingClosed() const OVERRIDE;
109 // Overridden from aura::WindowTreeHost:
110 virtual aura::RootWindow* GetRootWindow() OVERRIDE;
111 virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
112 virtual void Show() OVERRIDE;
113 virtual void Hide() OVERRIDE;
114 virtual void ToggleFullScreen() OVERRIDE;
115 virtual gfx::Rect GetBounds() const OVERRIDE;
116 virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
117 virtual gfx::Insets GetInsets() const OVERRIDE;
118 virtual void SetInsets(const gfx::Insets& insets) OVERRIDE;
119 virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
120 virtual void SetCapture() OVERRIDE;
121 virtual void ReleaseCapture() OVERRIDE;
122 virtual bool QueryMouseLocation(gfx::Point* location_return) OVERRIDE;
123 virtual bool ConfineCursorToRootWindow() OVERRIDE;
124 virtual void UnConfineCursor() OVERRIDE;
125 virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
126 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
127 virtual void PrepareForShutdown() OVERRIDE;
128 virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
129 virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;
130 virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
132 // Overridden frm ui::EventSource
133 virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
135 // Overridden from aura::client::AnimationHost
136 virtual void SetHostTransitionOffsets(
137 const gfx::Vector2d& top_left_delta,
138 const gfx::Vector2d& bottom_right_delta) OVERRIDE;
139 virtual void OnWindowHidingAnimationCompleted() OVERRIDE;
141 // Overridden from HWNDMessageHandlerDelegate:
142 virtual bool IsWidgetWindow() const OVERRIDE;
143 virtual bool IsUsingCustomFrame() const OVERRIDE;
144 virtual void SchedulePaint() OVERRIDE;
145 virtual void EnableInactiveRendering() OVERRIDE;
146 virtual bool IsInactiveRenderingDisabled() OVERRIDE;
147 virtual bool CanResize() const OVERRIDE;
148 virtual bool CanMaximize() const OVERRIDE;
149 virtual bool CanActivate() const OVERRIDE;
150 virtual bool WidgetSizeIsClientSize() const OVERRIDE;
151 virtual bool CanSaveFocus() const OVERRIDE;
152 virtual void SaveFocusOnDeactivate() OVERRIDE;
153 virtual void RestoreFocusOnActivate() OVERRIDE;
154 virtual void RestoreFocusOnEnable() OVERRIDE;
155 virtual bool IsModal() const OVERRIDE;
156 virtual int GetInitialShowState() const OVERRIDE;
157 virtual bool WillProcessWorkAreaChange() const OVERRIDE;
158 virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE;
159 virtual void GetWindowMask(const gfx::Size& size, gfx::Path* path) OVERRIDE;
160 virtual bool GetClientAreaInsets(gfx::Insets* insets) const OVERRIDE;
161 virtual void GetMinMaxSize(gfx::Size* min_size,
162 gfx::Size* max_size) const OVERRIDE;
163 virtual gfx::Size GetRootViewSize() const OVERRIDE;
164 virtual void ResetWindowControls() OVERRIDE;
165 virtual void PaintLayeredWindow(gfx::Canvas* canvas) OVERRIDE;
166 virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
167 virtual bool ShouldHandleSystemCommands() const OVERRIDE;
168 virtual InputMethod* GetInputMethod() OVERRIDE;
169 virtual void HandleAppDeactivated() OVERRIDE;
170 virtual void HandleActivationChanged(bool active) OVERRIDE;
171 virtual bool HandleAppCommand(short command) OVERRIDE;
172 virtual void HandleCancelMode() OVERRIDE;
173 virtual void HandleCaptureLost() OVERRIDE;
174 virtual void HandleClose() OVERRIDE;
175 virtual bool HandleCommand(int command) OVERRIDE;
176 virtual void HandleAccelerator(const ui::Accelerator& accelerator) OVERRIDE;
177 virtual void HandleCreate() OVERRIDE;
178 virtual void HandleDestroying() OVERRIDE;
179 virtual void HandleDestroyed() OVERRIDE;
180 virtual bool HandleInitialFocus(ui::WindowShowState show_state) OVERRIDE;
181 virtual void HandleDisplayChange() OVERRIDE;
182 virtual void HandleBeginWMSizeMove() OVERRIDE;
183 virtual void HandleEndWMSizeMove() OVERRIDE;
184 virtual void HandleMove() OVERRIDE;
185 virtual void HandleWorkAreaChanged() OVERRIDE;
186 virtual void HandleVisibilityChanging(bool visible) OVERRIDE;
187 virtual void HandleVisibilityChanged(bool visible) OVERRIDE;
188 virtual void HandleClientSizeChanged(const gfx::Size& new_size) OVERRIDE;
189 virtual void HandleFrameChanged() OVERRIDE;
190 virtual void HandleNativeFocus(HWND last_focused_window) OVERRIDE;
191 virtual void HandleNativeBlur(HWND focused_window) OVERRIDE;
192 virtual bool HandleMouseEvent(const ui::MouseEvent& event) OVERRIDE;
193 virtual bool HandleKeyEvent(const ui::KeyEvent& event) OVERRIDE;
194 virtual bool HandleUntranslatedKeyEvent(const ui::KeyEvent& event) OVERRIDE;
195 virtual void HandleTouchEvent(const ui::TouchEvent& event) OVERRIDE;
196 virtual bool HandleIMEMessage(UINT message,
199 LRESULT* result) OVERRIDE;
200 virtual void HandleInputLanguageChange(DWORD character_set,
201 HKL input_language_id) OVERRIDE;
202 virtual bool HandlePaintAccelerated(const gfx::Rect& invalid_rect) OVERRIDE;
203 virtual void HandlePaint(gfx::Canvas* canvas) OVERRIDE;
204 virtual bool HandleTooltipNotify(int w_param,
206 LRESULT* l_result) OVERRIDE;
207 virtual void HandleTooltipMouseMove(UINT message,
209 LPARAM l_param) OVERRIDE;
210 virtual void HandleMenuLoop(bool in_menu_loop) OVERRIDE;
211 virtual bool PreHandleMSG(UINT message,
214 LRESULT* result) OVERRIDE;
215 virtual void PostHandleMSG(UINT message,
217 LPARAM l_param) OVERRIDE;
218 virtual bool HandleScrollEvent(const ui::ScrollEvent& event) OVERRIDE;
221 const Widget* GetWidget() const;
222 HWND GetHWND() const;
225 void SetWindowTransparency();
227 // Returns true if a modal window is active in the current root window chain.
228 bool IsModalWindowActive() const;
230 // We are owned by the RootWindow, but we have to have a back pointer to it.
231 aura::RootWindow* root_window_;
233 scoped_ptr<HWNDMessageHandler> message_handler_;
234 scoped_ptr<aura::client::FocusClient> focus_client_;
236 // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura
237 // instead of providing this route back to Widget.
238 internal::NativeWidgetDelegate* native_widget_delegate_;
240 DesktopNativeWidgetAura* desktop_native_widget_aura_;
242 aura::Window* content_window_;
244 // Owned by DesktopNativeWidgetAura.
245 DesktopDragDropClientWin* drag_drop_client_;
247 // When certain windows are being shown, we augment the window size
248 // temporarily for animation. The following two members contain the top left
249 // and bottom right offsets which are used to enlarge the window.
250 gfx::Vector2d window_expansion_top_left_delta_;
251 gfx::Vector2d window_expansion_bottom_right_delta_;
253 // Windows are enlarged to be at least 64x64 pixels, so keep track of the
255 gfx::Vector2d window_enlargement_;
257 // Whether the window close should be converted to a hide, and then actually
258 // closed on the completion of the hide animation. This is cached because
259 // the property is set on the contained window which has a shorter lifetime.
260 bool should_animate_window_close_;
262 // When Close()d and animations are being applied to this window, the close
263 // of the window needs to be deferred to when the close animation is
264 // completed. This variable indicates that a Close was converted to a Hide,
265 // so that when the Hide is completed the host window should be closed.
268 // True if the widget is going to have a non_client_view. We cache this value
269 // rather than asking the Widget for the non_client_view so that we know at
270 // Init time, before the Widget has created the NonClientView.
271 bool has_non_client_view_;
273 // Owned by TooltipController, but we need to forward events to it so we keep
275 corewm::TooltipWin* tooltip_;
277 // Visibility of the cursor. On Windows we can have multiple root windows and
278 // the implementation of ::ShowCursor() is based on a counter, so making this
279 // member static ensures that ::ShowCursor() is always called exactly once
280 // whenever the cursor visibility state changes.
281 static bool is_cursor_visible_;
283 scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
285 DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostWin);
290 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_WIN_H_