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_WINDOW_TREE_HOST_X11_H_ 6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_ 7 8 #include <X11/extensions/shape.h> 9 #include <X11/Xlib.h> 10 11 #include "base/basictypes.h" 12 #include "base/cancelable_callback.h" 13 #include "base/memory/weak_ptr.h" 14 #include "base/observer_list.h" 15 #include "ui/aura/window_tree_host.h" 16 #include "ui/base/cursor/cursor_loader_x11.h" 17 #include "ui/events/event_source.h" 18 #include "ui/events/platform/platform_event_dispatcher.h" 19 #include "ui/gfx/insets.h" 20 #include "ui/gfx/rect.h" 21 #include "ui/gfx/size.h" 22 #include "ui/gfx/x/x11_atom_cache.h" 23 #include "ui/views/views_export.h" 24 #include "ui/views/widget/desktop_aura/desktop_window_tree_host.h" 25 26 namespace gfx { 27 class ImageSkia; 28 class ImageSkiaRep; 29 } 30 31 namespace ui { 32 class EventHandler; 33 } 34 35 namespace views { 36 class DesktopDragDropClientAuraX11; 37 class DesktopDispatcherClient; 38 class DesktopWindowTreeHostObserverX11; 39 class X11DesktopWindowMoveClient; 40 class X11WindowEventFilter; 41 42 class VIEWS_EXPORT DesktopWindowTreeHostX11 43 : public DesktopWindowTreeHost, 44 public aura::WindowTreeHost, 45 public ui::EventSource, 46 public ui::PlatformEventDispatcher { 47 public: 48 DesktopWindowTreeHostX11( 49 internal::NativeWidgetDelegate* native_widget_delegate, 50 DesktopNativeWidgetAura* desktop_native_widget_aura); 51 virtual ~DesktopWindowTreeHostX11(); 52 53 // A way of converting an X11 |xid| host window into a |content_window_|. 54 static aura::Window* GetContentWindowForXID(XID xid); 55 56 // A way of converting an X11 |xid| host window into this object. 57 static DesktopWindowTreeHostX11* GetHostForXID(XID xid); 58 59 // Get all open top-level windows. This includes windows that may not be 60 // visible. This list is sorted in their stacking order, i.e. the first window 61 // is the topmost window. 62 static std::vector<aura::Window*> GetAllOpenWindows(); 63 64 // Returns the current bounds in terms of the X11 Root Window. 65 gfx::Rect GetX11RootWindowBounds() const; 66 67 // Returns the current bounds in terms of the X11 Root Window including the 68 // borders provided by the window manager (if any). 69 gfx::Rect GetX11RootWindowOuterBounds() const; 70 71 // Returns the window shape if the window is not rectangular. Returns NULL 72 // otherwise. 73 ::Region GetWindowShape() const; 74 75 // Called by X11DesktopHandler to notify us that the native windowing system 76 // has changed our activation. 77 void HandleNativeWidgetActivationChanged(bool active); 78 79 void AddObserver(views::DesktopWindowTreeHostObserverX11* observer); 80 void RemoveObserver(views::DesktopWindowTreeHostObserverX11* observer); 81 82 // Swaps the current handler for events in the non client view with |handler|. 83 void SwapNonClientEventHandler(scoped_ptr<ui::EventHandler> handler); 84 85 // Deallocates the internal list of open windows. 86 static void CleanUpWindowList(); 87 88 protected: 89 // Overridden from DesktopWindowTreeHost: 90 virtual void Init(aura::Window* content_window, 91 const Widget::InitParams& params) OVERRIDE; 92 virtual void OnNativeWidgetCreated(const Widget::InitParams& params) OVERRIDE; 93 virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE; 94 virtual scoped_ptr<aura::client::DragDropClient> 95 CreateDragDropClient(DesktopNativeCursorManager* cursor_manager) OVERRIDE; 96 virtual void Close() OVERRIDE; 97 virtual void CloseNow() OVERRIDE; 98 virtual aura::WindowTreeHost* AsWindowTreeHost() OVERRIDE; 99 virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE; 100 virtual void ShowMaximizedWithBounds( 101 const gfx::Rect& restored_bounds) OVERRIDE; 102 virtual bool IsVisible() const OVERRIDE; 103 virtual void SetSize(const gfx::Size& requested_size) OVERRIDE; 104 virtual void StackAtTop() OVERRIDE; 105 virtual void CenterWindow(const gfx::Size& size) OVERRIDE; 106 virtual void GetWindowPlacement( 107 gfx::Rect* bounds, 108 ui::WindowShowState* show_state) const OVERRIDE; 109 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE; 110 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE; 111 virtual gfx::Rect GetRestoredBounds() const OVERRIDE; 112 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE; 113 virtual void SetShape(gfx::NativeRegion native_region) OVERRIDE; 114 virtual void Activate() OVERRIDE; 115 virtual void Deactivate() OVERRIDE; 116 virtual bool IsActive() const OVERRIDE; 117 virtual void Maximize() OVERRIDE; 118 virtual void Minimize() OVERRIDE; 119 virtual void Restore() OVERRIDE; 120 virtual bool IsMaximized() const OVERRIDE; 121 virtual bool IsMinimized() const OVERRIDE; 122 virtual bool HasCapture() const OVERRIDE; 123 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE; 124 virtual bool IsAlwaysOnTop() const OVERRIDE; 125 virtual void SetVisibleOnAllWorkspaces(bool always_visible) OVERRIDE; 126 virtual bool SetWindowTitle(const base::string16& title) OVERRIDE; 127 virtual void ClearNativeFocus() OVERRIDE; 128 virtual Widget::MoveLoopResult RunMoveLoop( 129 const gfx::Vector2d& drag_offset, 130 Widget::MoveLoopSource source, 131 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE; 132 virtual void EndMoveLoop() OVERRIDE; 133 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE; 134 virtual bool ShouldUseNativeFrame() const OVERRIDE; 135 virtual bool ShouldWindowContentsBeTransparent() const OVERRIDE; 136 virtual void FrameTypeChanged() OVERRIDE; 137 virtual void SetFullscreen(bool fullscreen) OVERRIDE; 138 virtual bool IsFullscreen() const OVERRIDE; 139 virtual void SetOpacity(unsigned char opacity) OVERRIDE; 140 virtual void SetWindowIcons(const gfx::ImageSkia& window_icon, 141 const gfx::ImageSkia& app_icon) OVERRIDE; 142 virtual void InitModalType(ui::ModalType modal_type) OVERRIDE; 143 virtual void FlashFrame(bool flash_frame) OVERRIDE; 144 virtual void OnRootViewLayout() OVERRIDE; 145 virtual void OnNativeWidgetFocus() OVERRIDE; 146 virtual void OnNativeWidgetBlur() OVERRIDE; 147 virtual bool IsAnimatingClosed() const OVERRIDE; 148 virtual bool IsTranslucentWindowOpacitySupported() const OVERRIDE; 149 virtual void SizeConstraintsChanged() OVERRIDE; 150 151 // Overridden from aura::WindowTreeHost: 152 virtual ui::EventSource* GetEventSource() OVERRIDE; 153 virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE; 154 virtual void Show() OVERRIDE; 155 virtual void Hide() OVERRIDE; 156 virtual gfx::Rect GetBounds() const OVERRIDE; 157 virtual void SetBounds(const gfx::Rect& requested_bounds) OVERRIDE; 158 virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE; 159 virtual void SetCapture() OVERRIDE; 160 virtual void ReleaseCapture() OVERRIDE; 161 virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE; 162 virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE; 163 virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE; 164 virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE; 165 166 // Overridden frm ui::EventSource 167 virtual ui::EventProcessor* GetEventProcessor() OVERRIDE; 168 169 private: 170 // Initializes our X11 surface to draw on. This method performs all 171 // initialization related to talking to the X11 server. 172 void InitX11Window(const Widget::InitParams& params); 173 174 // Creates an aura::WindowEventDispatcher to contain the |content_window|, 175 // along with all aura client objects that direct behavior. 176 aura::WindowEventDispatcher* InitDispatcher(const Widget::InitParams& params); 177 178 // Adjusts |requested_size| to avoid the WM "feature" where setting the 179 // window size to the monitor size causes the WM to set the EWMH for 180 // fullscreen. 181 gfx::Size AdjustSize(const gfx::Size& requested_size); 182 183 // Called when |xwindow_|'s _NET_WM_STATE property is updated. 184 void OnWMStateUpdated(); 185 186 // Called when |xwindow_|'s _NET_FRAME_EXTENTS property is updated. 187 void OnFrameExtentsUpdated(); 188 189 // Updates |xwindow_|'s minimum and maximum size. 190 void UpdateMinAndMaxSize(); 191 192 // Updates |xwindow_|'s _NET_WM_USER_TIME if |xwindow_| is active. 193 void UpdateWMUserTime(const ui::PlatformEvent& event); 194 195 // Sends a message to the x11 window manager, enabling or disabling the 196 // states |state1| and |state2|. 197 void SetWMSpecState(bool enabled, ::Atom state1, ::Atom state2); 198 199 // Checks if the window manager has set a specific state. 200 bool HasWMSpecProperty(const char* property) const; 201 202 // Sets whether the window's borders are provided by the window manager. 203 void SetUseNativeFrame(bool use_native_frame); 204 205 // Dispatches a mouse event, taking mouse capture into account. If a 206 // different host has capture, we translate the event to its coordinate space 207 // and dispatch it to that host instead. 208 void DispatchMouseEvent(ui::MouseEvent* event); 209 210 // Dispatches a touch event, taking capture into account. If a different host 211 // has capture, then touch-press events are translated to its coordinate space 212 // and dispatched to that host instead. 213 void DispatchTouchEvent(ui::TouchEvent* event); 214 215 // Resets the window region for the current widget bounds if necessary. 216 void ResetWindowRegion(); 217 218 // Serializes an image to the format used by _NET_WM_ICON. 219 void SerializeImageRepresentation(const gfx::ImageSkiaRep& rep, 220 std::vector<unsigned long>* data); 221 222 // Returns an 8888 ARGB visual. Can return NULL if there is no matching 223 // visual on this display. 224 Visual* GetARGBVisual(); 225 226 // See comment for variable open_windows_. 227 static std::list<XID>& open_windows(); 228 229 // Map the window (shows it) taking into account the given |show_state|. 230 void MapWindow(ui::WindowShowState show_state); 231 232 void SetWindowTransparency(); 233 234 // Relayout the widget's client and non-client views. 235 void Relayout(); 236 237 // ui::PlatformEventDispatcher: 238 virtual bool CanDispatchEvent(const ui::PlatformEvent& event) OVERRIDE; 239 virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) OVERRIDE; 240 241 void DelayedResize(const gfx::Size& size); 242 243 // X11 things 244 // The display and the native X window hosting the root window. 245 XDisplay* xdisplay_; 246 ::Window xwindow_; 247 248 // The native root window. 249 ::Window x_root_window_; 250 251 ui::X11AtomCache atom_cache_; 252 253 // Is the window mapped to the screen? 254 bool window_mapped_; 255 256 // The bounds of |xwindow_|. 257 gfx::Rect bounds_; 258 259 // Whenever the bounds are set, we keep the previous set of bounds around so 260 // we can have a better chance of getting the real |restored_bounds_|. Window 261 // managers tend to send a Configure message with the maximized bounds, and 262 // then set the window maximized property. (We don't rely on this for when we 263 // request that the window be maximized, only when we detect that some other 264 // process has requested that we become the maximized window.) 265 gfx::Rect previous_bounds_; 266 267 // The bounds of our window before we were maximized. 268 gfx::Rect restored_bounds_; 269 270 // |xwindow_|'s minimum size. 271 gfx::Size min_size_; 272 273 // |xwindow_|'s maximum size. 274 gfx::Size max_size_; 275 276 // The window manager state bits. 277 std::set< ::Atom> window_properties_; 278 279 // Whether |xwindow_| was requested to be fullscreen via SetFullscreen(). 280 bool is_fullscreen_; 281 282 // True if the window should stay on top of most other windows. 283 bool is_always_on_top_; 284 285 // True if the window has title-bar / borders provided by the window manager. 286 bool use_native_frame_; 287 288 // True if a Maximize() call should be done after mapping the window. 289 bool should_maximize_after_map_; 290 291 // Whether we used an ARGB visual for our window. 292 bool use_argb_visual_; 293 294 DesktopDragDropClientAuraX11* drag_drop_client_; 295 296 scoped_ptr<ui::EventHandler> x11_non_client_event_filter_; 297 scoped_ptr<X11DesktopWindowMoveClient> x11_window_move_client_; 298 299 // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura 300 // instead of providing this route back to Widget. 301 internal::NativeWidgetDelegate* native_widget_delegate_; 302 303 DesktopNativeWidgetAura* desktop_native_widget_aura_; 304 305 aura::Window* content_window_; 306 307 // We can optionally have a parent which can order us to close, or own 308 // children who we're responsible for closing when we CloseNow(). 309 DesktopWindowTreeHostX11* window_parent_; 310 std::set<DesktopWindowTreeHostX11*> window_children_; 311 312 ObserverList<DesktopWindowTreeHostObserverX11> observer_list_; 313 314 // The window shape if the window is non-rectangular. 315 ::Region window_shape_; 316 317 // Whether |window_shape_| was set via SetShape(). 318 bool custom_window_shape_; 319 320 // The size of the window manager provided borders (if any). 321 gfx::Insets native_window_frame_borders_; 322 323 // The current DesktopWindowTreeHostX11 which has capture. Set synchronously 324 // when capture is requested via SetCapture(). 325 static DesktopWindowTreeHostX11* g_current_capture; 326 327 // A list of all (top-level) windows that have been created but not yet 328 // destroyed. 329 static std::list<XID>* open_windows_; 330 331 base::string16 window_title_; 332 333 // Whether we currently are flashing our frame. This feature is implemented 334 // by setting the urgency hint with the window manager, which can draw 335 // attention to the window or completely ignore the hint. We stop flashing 336 // the frame when |xwindow_| gains focus or handles a mouse button event. 337 bool urgency_hint_set_; 338 339 base::CancelableCallback<void()> delayed_resize_task_; 340 341 base::WeakPtrFactory<DesktopWindowTreeHostX11> close_widget_factory_; 342 343 DISALLOW_COPY_AND_ASSIGN(DesktopWindowTreeHostX11); 344 }; 345 346 } // namespace views 347 348 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_WINDOW_TREE_HOST_X11_H_ 349
