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_ROOT_WINDOW_HOST_X11_H_ 6 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_X11_H_ 7 8 #include <X11/extensions/shape.h> 9 #include <X11/Xlib.h> 10 11 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class. 12 #undef RootWindow 13 14 #include "base/basictypes.h" 15 #include "base/memory/weak_ptr.h" 16 #include "base/observer_list.h" 17 #include "ui/aura/window_tree_host.h" 18 #include "ui/base/cursor/cursor_loader_x11.h" 19 #include "ui/gfx/rect.h" 20 #include "ui/gfx/x/x11_atom_cache.h" 21 #include "ui/views/views_export.h" 22 #include "ui/views/widget/desktop_aura/desktop_root_window_host.h" 23 24 namespace gfx { 25 class ImageSkia; 26 class ImageSkiaRep; 27 } 28 29 namespace views { 30 class DesktopDragDropClientAuraX11; 31 class DesktopDispatcherClient; 32 class DesktopRootWindowHostObserverX11; 33 class X11DesktopWindowMoveClient; 34 class X11WindowEventFilter; 35 36 class VIEWS_EXPORT DesktopRootWindowHostX11 : 37 public DesktopRootWindowHost, 38 public aura::RootWindowHost, 39 public base::MessageLoop::Dispatcher { 40 public: 41 DesktopRootWindowHostX11( 42 internal::NativeWidgetDelegate* native_widget_delegate, 43 DesktopNativeWidgetAura* desktop_native_widget_aura); 44 virtual ~DesktopRootWindowHostX11(); 45 46 // A way of converting an X11 |xid| host window into a |content_window_|. 47 static aura::Window* GetContentWindowForXID(XID xid); 48 49 // A way of converting an X11 |xid| host window into this object. 50 static DesktopRootWindowHostX11* GetHostForXID(XID xid); 51 52 // Get all open top-level windows. This includes windows that may not be 53 // visible. This list is sorted in their stacking order, i.e. the first window 54 // is the topmost window. 55 static std::vector<aura::Window*> GetAllOpenWindows(); 56 57 // Returns the current bounds in terms of the X11 Root Window. 58 gfx::Rect GetX11RootWindowBounds() const; 59 60 // Called by X11DesktopHandler to notify us that the native windowing system 61 // has changed our activation. 62 void HandleNativeWidgetActivationChanged(bool active); 63 64 void AddObserver(views::DesktopRootWindowHostObserverX11* observer); 65 void RemoveObserver(views::DesktopRootWindowHostObserverX11* observer); 66 67 // Deallocates the internal list of open windows. 68 static void CleanUpWindowList(); 69 70 protected: 71 // Overridden from DesktopRootWindowHost: 72 virtual void Init(aura::Window* content_window, 73 const Widget::InitParams& params, 74 aura::RootWindow::CreateParams* rw_create_params) OVERRIDE; 75 virtual void OnRootWindowCreated(aura::RootWindow* root, 76 const Widget::InitParams& params) OVERRIDE; 77 virtual scoped_ptr<corewm::Tooltip> CreateTooltip() OVERRIDE; 78 virtual scoped_ptr<aura::client::DragDropClient> 79 CreateDragDropClient(DesktopNativeCursorManager* cursor_manager) OVERRIDE; 80 virtual void Close() OVERRIDE; 81 virtual void CloseNow() OVERRIDE; 82 virtual aura::RootWindowHost* AsRootWindowHost() OVERRIDE; 83 virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE; 84 virtual void ShowMaximizedWithBounds( 85 const gfx::Rect& restored_bounds) OVERRIDE; 86 virtual bool IsVisible() const OVERRIDE; 87 virtual void SetSize(const gfx::Size& size) OVERRIDE; 88 virtual void StackAtTop() OVERRIDE; 89 virtual void CenterWindow(const gfx::Size& size) OVERRIDE; 90 virtual void GetWindowPlacement( 91 gfx::Rect* bounds, 92 ui::WindowShowState* show_state) const OVERRIDE; 93 virtual gfx::Rect GetWindowBoundsInScreen() const OVERRIDE; 94 virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE; 95 virtual gfx::Rect GetRestoredBounds() const OVERRIDE; 96 virtual gfx::Rect GetWorkAreaBoundsInScreen() const OVERRIDE; 97 virtual void SetShape(gfx::NativeRegion native_region) OVERRIDE; 98 virtual void Activate() OVERRIDE; 99 virtual void Deactivate() OVERRIDE; 100 virtual bool IsActive() const OVERRIDE; 101 virtual void Maximize() OVERRIDE; 102 virtual void Minimize() OVERRIDE; 103 virtual void Restore() OVERRIDE; 104 virtual bool IsMaximized() const OVERRIDE; 105 virtual bool IsMinimized() const OVERRIDE; 106 virtual bool HasCapture() const OVERRIDE; 107 virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE; 108 virtual bool IsAlwaysOnTop() const OVERRIDE; 109 virtual bool SetWindowTitle(const string16& title) OVERRIDE; 110 virtual void ClearNativeFocus() OVERRIDE; 111 virtual Widget::MoveLoopResult RunMoveLoop( 112 const gfx::Vector2d& drag_offset, 113 Widget::MoveLoopSource source, 114 Widget::MoveLoopEscapeBehavior escape_behavior) OVERRIDE; 115 virtual void EndMoveLoop() OVERRIDE; 116 virtual void SetVisibilityChangedAnimationsEnabled(bool value) OVERRIDE; 117 virtual bool ShouldUseNativeFrame() OVERRIDE; 118 virtual void FrameTypeChanged() OVERRIDE; 119 virtual NonClientFrameView* CreateNonClientFrameView() OVERRIDE; 120 virtual void SetFullscreen(bool fullscreen) OVERRIDE; 121 virtual bool IsFullscreen() const OVERRIDE; 122 virtual void SetOpacity(unsigned char opacity) OVERRIDE; 123 virtual void SetWindowIcons(const gfx::ImageSkia& window_icon, 124 const gfx::ImageSkia& app_icon) OVERRIDE; 125 virtual void InitModalType(ui::ModalType modal_type) OVERRIDE; 126 virtual void FlashFrame(bool flash_frame) OVERRIDE; 127 virtual void OnRootViewLayout() const OVERRIDE; 128 virtual void OnNativeWidgetFocus() OVERRIDE; 129 virtual void OnNativeWidgetBlur() OVERRIDE; 130 virtual bool IsAnimatingClosed() const OVERRIDE; 131 132 // Overridden from aura::RootWindowHost: 133 virtual aura::RootWindow* GetRootWindow() OVERRIDE; 134 virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE; 135 virtual void Show() OVERRIDE; 136 virtual void Hide() OVERRIDE; 137 virtual void ToggleFullScreen() OVERRIDE; 138 virtual gfx::Rect GetBounds() const OVERRIDE; 139 virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE; 140 virtual gfx::Insets GetInsets() const OVERRIDE; 141 virtual void SetInsets(const gfx::Insets& insets) OVERRIDE; 142 virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE; 143 virtual void SetCapture() OVERRIDE; 144 virtual void ReleaseCapture() OVERRIDE; 145 virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE; 146 virtual bool QueryMouseLocation(gfx::Point* location_return) OVERRIDE; 147 virtual bool ConfineCursorToRootWindow() OVERRIDE; 148 virtual void UnConfineCursor() OVERRIDE; 149 virtual void OnCursorVisibilityChanged(bool show) OVERRIDE; 150 virtual void MoveCursorTo(const gfx::Point& location) OVERRIDE; 151 virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE; 152 virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE; 153 virtual void PrepareForShutdown() OVERRIDE; 154 155 private: 156 // Initializes our X11 surface to draw on. This method performs all 157 // initialization related to talking to the X11 server. 158 void InitX11Window(const Widget::InitParams& params); 159 160 // Creates an aura::RootWindow to contain the |content_window|, along with 161 // all aura client objects that direct behavior. 162 aura::RootWindow* InitRootWindow(const Widget::InitParams& params); 163 164 // Returns true if there's an X window manager present... in most cases. Some 165 // window managers (notably, ion3) don't implement enough of ICCCM for us to 166 // detect that they're there. 167 bool IsWindowManagerPresent(); 168 169 // Sends a message to the x11 window manager, enabling or disabling the 170 // states |state1| and |state2|. 171 void SetWMSpecState(bool enabled, ::Atom state1, ::Atom state2); 172 173 // Checks if the window manager has set a specific state. 174 bool HasWMSpecProperty(const char* property) const; 175 176 // Called when another DRWHL takes capture, or when capture is released 177 // entirely. 178 void OnCaptureReleased(); 179 180 // Dispatches a mouse event, taking mouse capture into account. If a 181 // different host has capture, we translate the event to its coordinate space 182 // and dispatch it to that host instead. 183 void DispatchMouseEvent(ui::MouseEvent* event); 184 185 // Dispatches a touch event, taking capture into account. If a different host 186 // has capture, then touch-press events are translated to its coordinate space 187 // and dispatched to that host instead. 188 void DispatchTouchEvent(ui::TouchEvent* event); 189 190 // Resets the window region for the current widget bounds if necessary. 191 void ResetWindowRegion(); 192 193 // Serializes an image to the format used by _NET_WM_ICON. 194 void SerializeImageRepresentation(const gfx::ImageSkiaRep& rep, 195 std::vector<unsigned long>* data); 196 197 // See comment for variable open_windows_. 198 static std::list<XID>& open_windows(); 199 200 // Overridden from Dispatcher: 201 virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE; 202 203 base::WeakPtrFactory<DesktopRootWindowHostX11> close_widget_factory_; 204 205 // X11 things 206 // The display and the native X window hosting the root window. 207 XDisplay* xdisplay_; 208 ::Window xwindow_; 209 210 // The native root window. 211 ::Window x_root_window_; 212 213 ui::X11AtomCache atom_cache_; 214 215 // Is the window mapped to the screen? 216 bool window_mapped_; 217 218 // The bounds of |xwindow_|. 219 gfx::Rect bounds_; 220 221 // Whenever the bounds are set, we keep the previous set of bounds around so 222 // we can have a better chance of getting the real |restored_bounds_|. Window 223 // managers tend to send a Configure message with the maximized bounds, and 224 // then set the window maximized property. (We don't rely on this for when we 225 // request that the window be maximized, only when we detect that some other 226 // process has requested that we become the maximized window.) 227 gfx::Rect previous_bounds_; 228 229 // The bounds of our window before we were maximized. 230 gfx::Rect restored_bounds_; 231 232 // The window manager state bits. 233 std::set< ::Atom> window_properties_; 234 235 // Local flag for fullscreen state to avoid a state mismatch between 236 // server and local window_properties_ during app-initiated fullscreen. 237 bool is_fullscreen_; 238 239 // True if the window should stay on top of most other windows. 240 bool is_always_on_top_; 241 242 // We are owned by the RootWindow, but we have to have a back pointer to it. 243 aura::RootWindow* root_window_; 244 245 scoped_ptr<DesktopDispatcherClient> dispatcher_client_; 246 247 DesktopDragDropClientAuraX11* drag_drop_client_; 248 249 // Current Aura cursor. 250 gfx::NativeCursor current_cursor_; 251 252 scoped_ptr<X11WindowEventFilter> x11_window_event_filter_; 253 scoped_ptr<X11DesktopWindowMoveClient> x11_window_move_client_; 254 255 // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura 256 // instead of providing this route back to Widget. 257 internal::NativeWidgetDelegate* native_widget_delegate_; 258 259 DesktopNativeWidgetAura* desktop_native_widget_aura_; 260 261 aura::Window* content_window_; 262 263 // We can optionally have a parent which can order us to close, or own 264 // children who we're responsible for closing when we CloseNow(). 265 DesktopRootWindowHostX11* window_parent_; 266 std::set<DesktopRootWindowHostX11*> window_children_; 267 268 ObserverList<DesktopRootWindowHostObserverX11> observer_list_; 269 270 // Copy of custom window shape specified via SetShape(), if any. 271 ::Region custom_window_shape_; 272 273 // The current root window host that has capture. While X11 has something 274 // like Windows SetCapture()/ReleaseCapture(), it is entirely implicit and 275 // there are no notifications when this changes. We need to track this so we 276 // can notify widgets when they have lost capture, which controls a bunch of 277 // things in views like hiding menus. 278 static DesktopRootWindowHostX11* g_current_capture; 279 280 // A list of all (top-level) windows that have been created but not yet 281 // destroyed. 282 static std::list<XID>* open_windows_; 283 284 string16 window_title_; 285 286 DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostX11); 287 }; 288 289 } // namespace views 290 291 #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_X11_H_ 292
