widget/windows/nsWindow.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/windows/nsWindow.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,596 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef Window_h__
    1.10 +#define Window_h__
    1.11 +
    1.12 +/*
    1.13 + * nsWindow - Native window management and event handling.
    1.14 + */
    1.15 +
    1.16 +#include "nsAutoPtr.h"
    1.17 +#include "nsBaseWidget.h"
    1.18 +#include "nsWindowBase.h"
    1.19 +#include "nsdefs.h"
    1.20 +#include "nsIdleService.h"
    1.21 +#include "nsToolkit.h"
    1.22 +#include "nsString.h"
    1.23 +#include "nsTArray.h"
    1.24 +#include "gfxWindowsPlatform.h"
    1.25 +#include "gfxWindowsSurface.h"
    1.26 +#include "nsWindowDbg.h"
    1.27 +#include "cairo.h"
    1.28 +#include "nsITimer.h"
    1.29 +#include "nsRegion.h"
    1.30 +#include "mozilla/EventForwards.h"
    1.31 +#include "mozilla/MouseEvents.h"
    1.32 +#include "mozilla/TimeStamp.h"
    1.33 +#include "nsMargin.h"
    1.34 +
    1.35 +#include "nsWinGesture.h"
    1.36 +
    1.37 +#include "WindowHook.h"
    1.38 +#include "TaskbarWindowPreview.h"
    1.39 +
    1.40 +#ifdef ACCESSIBILITY
    1.41 +#include "oleacc.h"
    1.42 +#include "mozilla/a11y/Accessible.h"
    1.43 +#endif
    1.44 +
    1.45 +#include "nsUXThemeData.h"
    1.46 +
    1.47 +#include "nsIDOMMouseEvent.h"
    1.48 +
    1.49 +#include "nsIIdleServiceInternal.h"
    1.50 +
    1.51 +/**
    1.52 + * Forward class definitions
    1.53 + */
    1.54 +
    1.55 +class nsNativeDragTarget;
    1.56 +class nsIRollupListener;
    1.57 +class nsIFile;
    1.58 +class nsIntRegion;
    1.59 +class imgIContainer;
    1.60 +
    1.61 +namespace mozilla {
    1.62 +namespace widget {
    1.63 +class NativeKey;
    1.64 +class ModifierKeyState;
    1.65 +struct MSGResult;
    1.66 +} // namespace widget
    1.67 +} // namespacw mozilla;
    1.68 +
    1.69 +/**
    1.70 + * Native WIN32 window wrapper.
    1.71 + */
    1.72 +
    1.73 +class nsWindow : public nsWindowBase
    1.74 +{
    1.75 +  typedef mozilla::TimeStamp TimeStamp;
    1.76 +  typedef mozilla::TimeDuration TimeDuration;
    1.77 +  typedef mozilla::widget::WindowHook WindowHook;
    1.78 +  typedef mozilla::widget::TaskbarWindowPreview TaskbarWindowPreview;
    1.79 +  typedef mozilla::widget::NativeKey NativeKey;
    1.80 +  typedef mozilla::widget::MSGResult MSGResult;
    1.81 +public:
    1.82 +  nsWindow();
    1.83 +  virtual ~nsWindow();
    1.84 +
    1.85 +  NS_DECL_ISUPPORTS_INHERITED
    1.86 +
    1.87 +  friend class nsWindowGfx;
    1.88 +
    1.89 +  // nsWindowBase
    1.90 +  virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
    1.91 +                         nsIntPoint* aPoint = nullptr) MOZ_OVERRIDE;
    1.92 +  virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) MOZ_OVERRIDE;
    1.93 +  virtual bool DispatchKeyboardEvent(mozilla::WidgetGUIEvent* aEvent) MOZ_OVERRIDE;
    1.94 +  virtual bool DispatchScrollEvent(mozilla::WidgetGUIEvent* aEvent) MOZ_OVERRIDE;
    1.95 +  virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) MOZ_OVERRIDE;
    1.96 +  virtual bool IsTopLevelWidget() MOZ_OVERRIDE { return mIsTopWidgetWindow; }
    1.97 +
    1.98 +  // nsIWidget interface
    1.99 +  NS_IMETHOD              Create(nsIWidget *aParent,
   1.100 +                                 nsNativeWidget aNativeParent,
   1.101 +                                 const nsIntRect &aRect,
   1.102 +                                 nsDeviceContext *aContext,
   1.103 +                                 nsWidgetInitData *aInitData = nullptr);
   1.104 +  NS_IMETHOD              Destroy();
   1.105 +  NS_IMETHOD              SetParent(nsIWidget *aNewParent);
   1.106 +  virtual nsIWidget*      GetParent(void);
   1.107 +  virtual float           GetDPI();
   1.108 +  virtual double          GetDefaultScaleInternal();
   1.109 +  NS_IMETHOD              Show(bool bState);
   1.110 +  virtual bool            IsVisible() const;
   1.111 +  NS_IMETHOD              ConstrainPosition(bool aAllowSlop, int32_t *aX, int32_t *aY);
   1.112 +  virtual void            SetSizeConstraints(const SizeConstraints& aConstraints);
   1.113 +  NS_IMETHOD              Move(double aX, double aY);
   1.114 +  NS_IMETHOD              Resize(double aWidth, double aHeight, bool aRepaint);
   1.115 +  NS_IMETHOD              Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint);
   1.116 +  NS_IMETHOD              BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
   1.117 +                                          int32_t aHorizontal,
   1.118 +                                          int32_t aVertical);
   1.119 +  NS_IMETHOD              PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget *aWidget, bool aActivate);
   1.120 +  NS_IMETHOD              SetSizeMode(int32_t aMode);
   1.121 +  NS_IMETHOD              Enable(bool aState);
   1.122 +  virtual bool            IsEnabled() const;
   1.123 +  NS_IMETHOD              SetFocus(bool aRaise);
   1.124 +  NS_IMETHOD              GetBounds(nsIntRect &aRect);
   1.125 +  NS_IMETHOD              GetScreenBounds(nsIntRect &aRect);
   1.126 +  NS_IMETHOD              GetClientBounds(nsIntRect &aRect);
   1.127 +  virtual nsIntPoint      GetClientOffset();
   1.128 +  void                    SetBackgroundColor(const nscolor &aColor);
   1.129 +  NS_IMETHOD              SetCursor(imgIContainer* aCursor,
   1.130 +                                    uint32_t aHotspotX, uint32_t aHotspotY);
   1.131 +  NS_IMETHOD              SetCursor(nsCursor aCursor);
   1.132 +  virtual nsresult        ConfigureChildren(const nsTArray<Configuration>& aConfigurations);
   1.133 +  NS_IMETHOD              MakeFullScreen(bool aFullScreen);
   1.134 +  NS_IMETHOD              HideWindowChrome(bool aShouldHide);
   1.135 +  NS_IMETHOD              Invalidate(bool aEraseBackground = false,
   1.136 +                                     bool aUpdateNCArea = false,
   1.137 +                                     bool aIncludeChildren = false);
   1.138 +  NS_IMETHOD              Invalidate(const nsIntRect & aRect);
   1.139 +  virtual void*           GetNativeData(uint32_t aDataType);
   1.140 +  virtual void            FreeNativeData(void * data, uint32_t aDataType);
   1.141 +  NS_IMETHOD              SetTitle(const nsAString& aTitle);
   1.142 +  NS_IMETHOD              SetIcon(const nsAString& aIconSpec);
   1.143 +  virtual nsIntPoint      WidgetToScreenOffset();
   1.144 +  virtual nsIntSize       ClientToWindowSize(const nsIntSize& aClientSize);
   1.145 +  NS_IMETHOD              DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
   1.146 +                                        nsEventStatus& aStatus);
   1.147 +  NS_IMETHOD              EnableDragDrop(bool aEnable);
   1.148 +  NS_IMETHOD              CaptureMouse(bool aCapture);
   1.149 +  NS_IMETHOD              CaptureRollupEvents(nsIRollupListener * aListener,
   1.150 +                                              bool aDoCapture);
   1.151 +  NS_IMETHOD              GetAttention(int32_t aCycleCount);
   1.152 +  virtual bool            HasPendingInputEvent();
   1.153 +  virtual LayerManager*   GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
   1.154 +                                          LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
   1.155 +                                          LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
   1.156 +                                          bool* aAllowRetaining = nullptr);
   1.157 +  gfxASurface             *GetThebesSurface();
   1.158 +  NS_IMETHOD              OnDefaultButtonLoaded(const nsIntRect &aButtonRect);
   1.159 +  NS_IMETHOD              OverrideSystemMouseScrollSpeed(double aOriginalDeltaX,
   1.160 +                                                         double aOriginalDeltaY,
   1.161 +                                                         double& aOverriddenDeltaX,
   1.162 +                                                         double& aOverriddenDeltaY);
   1.163 +
   1.164 +  virtual nsresult        SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
   1.165 +                                                   int32_t aNativeKeyCode,
   1.166 +                                                   uint32_t aModifierFlags,
   1.167 +                                                   const nsAString& aCharacters,
   1.168 +                                                   const nsAString& aUnmodifiedCharacters);
   1.169 +  virtual nsresult        SynthesizeNativeMouseEvent(nsIntPoint aPoint,
   1.170 +                                                     uint32_t aNativeMessage,
   1.171 +                                                     uint32_t aModifierFlags);
   1.172 +
   1.173 +  virtual nsresult        SynthesizeNativeMouseMove(nsIntPoint aPoint)
   1.174 +                          { return SynthesizeNativeMouseEvent(aPoint, MOUSEEVENTF_MOVE, 0); }
   1.175 +
   1.176 +  virtual nsresult        SynthesizeNativeMouseScrollEvent(nsIntPoint aPoint,
   1.177 +                                                           uint32_t aNativeMessage,
   1.178 +                                                           double aDeltaX,
   1.179 +                                                           double aDeltaY,
   1.180 +                                                           double aDeltaZ,
   1.181 +                                                           uint32_t aModifierFlags,
   1.182 +                                                           uint32_t aAdditionalFlags);
   1.183 +  NS_IMETHOD              NotifyIME(const IMENotification& aIMENotification) MOZ_OVERRIDE;
   1.184 +  NS_IMETHOD_(void)       SetInputContext(const InputContext& aContext,
   1.185 +                                          const InputContextAction& aAction);
   1.186 +  NS_IMETHOD_(InputContext) GetInputContext();
   1.187 +  NS_IMETHOD              GetToggledKeyState(uint32_t aKeyCode, bool* aLEDState);
   1.188 +  NS_IMETHOD              RegisterTouchWindow();
   1.189 +  NS_IMETHOD              UnregisterTouchWindow();
   1.190 +#ifdef MOZ_XUL
   1.191 +  virtual void            SetTransparencyMode(nsTransparencyMode aMode);
   1.192 +  virtual nsTransparencyMode GetTransparencyMode();
   1.193 +  virtual void            UpdateOpaqueRegion(const nsIntRegion& aOpaqueRegion);
   1.194 +#endif // MOZ_XUL
   1.195 +  virtual nsIMEUpdatePreference GetIMEUpdatePreference();
   1.196 +  NS_IMETHOD              GetNonClientMargins(nsIntMargin &margins);
   1.197 +  NS_IMETHOD              SetNonClientMargins(nsIntMargin &margins);
   1.198 +  void                    SetDrawsInTitlebar(bool aState);
   1.199 +  mozilla::TemporaryRef<mozilla::gfx::DrawTarget> StartRemoteDrawing() MOZ_OVERRIDE;
   1.200 +  virtual void            EndRemoteDrawing() MOZ_OVERRIDE;
   1.201 +
   1.202 +  virtual void            UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) MOZ_OVERRIDE;
   1.203 +
   1.204 +  /**
   1.205 +   * Event helpers
   1.206 +   */
   1.207 +  virtual bool            DispatchMouseEvent(uint32_t aEventType, WPARAM wParam,
   1.208 +                                             LPARAM lParam,
   1.209 +                                             bool aIsContextMenuKey = false,
   1.210 +                                             int16_t aButton = mozilla::WidgetMouseEvent::eLeftButton,
   1.211 +                                             uint16_t aInputSource = nsIDOMMouseEvent::MOZ_SOURCE_MOUSE);
   1.212 +  virtual bool            DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent,
   1.213 +                                              nsEventStatus& aStatus);
   1.214 +  void                    DispatchPendingEvents();
   1.215 +  bool                    DispatchPluginEvent(UINT aMessage,
   1.216 +                                              WPARAM aWParam,
   1.217 +                                              LPARAM aLParam,
   1.218 +                                              bool aDispatchPendingEvents);
   1.219 +
   1.220 +  void                    SuppressBlurEvents(bool aSuppress); // Called from nsFilePicker
   1.221 +  bool                    BlurEventsSuppressed();
   1.222 +#ifdef ACCESSIBILITY
   1.223 +  /**
   1.224 +   * Return an accessible associated with the window.
   1.225 +   */
   1.226 +  mozilla::a11y::Accessible* GetAccessible();
   1.227 +#endif // ACCESSIBILITY
   1.228 +
   1.229 +  /**
   1.230 +   * Window utilities
   1.231 +   */
   1.232 +  nsWindow*               GetTopLevelWindow(bool aStopOnDialogOrPopup);
   1.233 +  WNDPROC                 GetPrevWindowProc() { return mPrevWndProc; }
   1.234 +  WindowHook&             GetWindowHook() { return mWindowHook; }
   1.235 +  nsWindow*               GetParentWindow(bool aIncludeOwner);
   1.236 +  // Get an array of all nsWindow*s on the main thread.
   1.237 +  typedef void            (WindowEnumCallback)(nsWindow*);
   1.238 +  static void             EnumAllWindows(WindowEnumCallback aCallback);
   1.239 +
   1.240 +  /**
   1.241 +   * Misc.
   1.242 +   */
   1.243 +  virtual bool            AutoErase(HDC dc);
   1.244 +
   1.245 +  /**
   1.246 +   * Start allowing Direct3D9 to be used by widgets when GetLayerManager is
   1.247 +   * called.
   1.248 +   *
   1.249 +   * @param aReinitialize Call GetLayerManager on widgets to ensure D3D9 is
   1.250 +   *                      initialized, this is usually called when this function
   1.251 +   *                      is triggered by timeout and not user/web interaction.
   1.252 +   */
   1.253 +  static void             StartAllowingD3D9(bool aReinitialize);
   1.254 +
   1.255 +  /**
   1.256 +   * AssociateDefaultIMC() associates or disassociates the default IMC for
   1.257 +   * the window.
   1.258 +   *
   1.259 +   * @param aAssociate    TRUE, associates the default IMC with the window.
   1.260 +   *                      Otherwise, disassociates the default IMC from the
   1.261 +   *                      window.
   1.262 +   * @return              TRUE if this method associated the default IMC with
   1.263 +   *                      disassociated window or disassociated the default IMC
   1.264 +   *                      from associated window.
   1.265 +   *                      Otherwise, i.e., if this method did nothing actually,
   1.266 +   *                      FALSE.
   1.267 +   */
   1.268 +  bool                    AssociateDefaultIMC(bool aAssociate);
   1.269 +
   1.270 +  bool HasTaskbarIconBeenCreated() { return mHasTaskbarIconBeenCreated; }
   1.271 +  // Called when either the nsWindow or an nsITaskbarTabPreview receives the noticiation that this window
   1.272 +  // has its icon placed on the taskbar.
   1.273 +  void SetHasTaskbarIconBeenCreated(bool created = true) { mHasTaskbarIconBeenCreated = created; }
   1.274 +
   1.275 +  // Getter/setter for the nsITaskbarWindowPreview for this nsWindow
   1.276 +  already_AddRefed<nsITaskbarWindowPreview> GetTaskbarPreview() {
   1.277 +    nsCOMPtr<nsITaskbarWindowPreview> preview(do_QueryReferent(mTaskbarPreview));
   1.278 +    return preview.forget();
   1.279 +  }
   1.280 +  void SetTaskbarPreview(nsITaskbarWindowPreview *preview) { mTaskbarPreview = do_GetWeakReference(preview); }
   1.281 +
   1.282 +  NS_IMETHOD              ReparentNativeWidget(nsIWidget* aNewParent);
   1.283 +
   1.284 +  // Open file picker tracking
   1.285 +  void                    PickerOpen();
   1.286 +  void                    PickerClosed();
   1.287 +
   1.288 +  bool                    const DestroyCalled() { return mDestroyCalled; }
   1.289 +
   1.290 +  virtual void GetPreferredCompositorBackends(nsTArray<mozilla::layers::LayersBackend>& aHints);
   1.291 +
   1.292 +  virtual bool ShouldUseOffMainThreadCompositing();
   1.293 +
   1.294 +protected:
   1.295 +
   1.296 +  virtual void WindowUsesOMTC() MOZ_OVERRIDE;
   1.297 +
   1.298 +  // A magic number to identify the FAKETRACKPOINTSCROLLABLE window created
   1.299 +  // when the trackpoint hack is enabled.
   1.300 +  enum { eFakeTrackPointScrollableID = 0x46545053 };
   1.301 +
   1.302 +  /**
   1.303 +   * Callbacks
   1.304 +   */
   1.305 +  static LRESULT CALLBACK WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
   1.306 +  static LRESULT CALLBACK WindowProcInternal(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
   1.307 +
   1.308 +  static BOOL CALLBACK    BroadcastMsgToChildren(HWND aWnd, LPARAM aMsg);
   1.309 +  static BOOL CALLBACK    BroadcastMsg(HWND aTopWindow, LPARAM aMsg);
   1.310 +  static BOOL CALLBACK    DispatchStarvedPaints(HWND aTopWindow, LPARAM aMsg);
   1.311 +  static BOOL CALLBACK    RegisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
   1.312 +  static BOOL CALLBACK    UnregisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
   1.313 +  static LRESULT CALLBACK MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam);
   1.314 +  static LRESULT CALLBACK MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam);
   1.315 +  static LRESULT CALLBACK MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam);
   1.316 +  static VOID    CALLBACK HookTimerForPopups( HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime );
   1.317 +  static BOOL    CALLBACK ClearResourcesCallback(HWND aChild, LPARAM aParam);
   1.318 +  static BOOL    CALLBACK EnumAllChildWindProc(HWND aWnd, LPARAM aParam);
   1.319 +  static BOOL    CALLBACK EnumAllThreadWindowProc(HWND aWnd, LPARAM aParam);
   1.320 +  static void             AllowD3D9Callback(nsWindow *aWindow);
   1.321 +  static void             AllowD3D9WithReinitializeCallback(nsWindow *aWindow);
   1.322 +
   1.323 +  /**
   1.324 +   * Window utilities
   1.325 +   */
   1.326 +  LPARAM                  lParamToScreen(LPARAM lParam);
   1.327 +  LPARAM                  lParamToClient(LPARAM lParam);
   1.328 +  virtual void            SubclassWindow(BOOL bState);
   1.329 +  bool                    CanTakeFocus();
   1.330 +  bool                    UpdateNonClientMargins(int32_t aSizeMode = -1, bool aReflowWindow = true);
   1.331 +  void                    UpdateGetWindowInfoCaptionStatus(bool aActiveCaption);
   1.332 +  void                    ResetLayout();
   1.333 +  void                    InvalidateNonClientRegion();
   1.334 +  HRGN                    ExcludeNonClientFromPaintRegion(HRGN aRegion);
   1.335 +  static void             GetMainWindowClass(nsAString& aClass);
   1.336 +  bool                    HasGlass() const {
   1.337 +    return mTransparencyMode == eTransparencyGlass ||
   1.338 +           mTransparencyMode == eTransparencyBorderlessGlass;
   1.339 +  }
   1.340 +  HWND                    GetOwnerWnd() const
   1.341 +  {
   1.342 +    return ::GetWindow(mWnd, GW_OWNER);
   1.343 +  }
   1.344 +  bool                    IsOwnerForegroundWindow() const
   1.345 +  {
   1.346 +    HWND owner = GetOwnerWnd();
   1.347 +    return owner && owner == ::GetForegroundWindow();
   1.348 +  }
   1.349 +  bool                    IsPopup() const
   1.350 +  {
   1.351 +    return mWindowType == eWindowType_popup;
   1.352 +  }
   1.353 +
   1.354 +
   1.355 +  /**
   1.356 +   * Event processing helpers
   1.357 +   */
   1.358 +  void                    DispatchFocusToTopLevelWindow(bool aIsActivate);
   1.359 +  bool                    DispatchStandardEvent(uint32_t aMsg);
   1.360 +  void                    RelayMouseEvent(UINT aMsg, WPARAM wParam, LPARAM lParam);
   1.361 +  virtual bool            ProcessMessage(UINT msg, WPARAM &wParam,
   1.362 +                                         LPARAM &lParam, LRESULT *aRetValue);
   1.363 +  bool                    ExternalHandlerProcessMessage(
   1.364 +                                         UINT aMessage, WPARAM& aWParam,
   1.365 +                                         LPARAM& aLParam, MSGResult& aResult);
   1.366 +  bool                    ProcessMessageForPlugin(const MSG &aMsg,
   1.367 +                                                  MSGResult& aResult);
   1.368 +  LRESULT                 ProcessCharMessage(const MSG &aMsg,
   1.369 +                                             bool *aEventDispatched);
   1.370 +  LRESULT                 ProcessKeyUpMessage(const MSG &aMsg,
   1.371 +                                              bool *aEventDispatched);
   1.372 +  LRESULT                 ProcessKeyDownMessage(const MSG &aMsg,
   1.373 +                                                bool *aEventDispatched);
   1.374 +  static bool             EventIsInsideWindow(nsWindow* aWindow);
   1.375 +  // Convert nsEventStatus value to a windows boolean
   1.376 +  static bool             ConvertStatus(nsEventStatus aStatus);
   1.377 +  static void             PostSleepWakeNotification(const bool aIsSleepMode);
   1.378 +  int32_t                 ClientMarginHitTestPoint(int32_t mx, int32_t my);
   1.379 +
   1.380 +  /**
   1.381 +   * Event handlers
   1.382 +   */
   1.383 +  virtual void            OnDestroy();
   1.384 +  virtual bool            OnResize(nsIntRect &aWindowRect);
   1.385 +  bool                    OnGesture(WPARAM wParam, LPARAM lParam);
   1.386 +  bool                    OnTouch(WPARAM wParam, LPARAM lParam);
   1.387 +  bool                    OnHotKey(WPARAM wParam, LPARAM lParam);
   1.388 +  bool                    OnPaint(HDC aDC, uint32_t aNestingLevel);
   1.389 +  void                    OnWindowPosChanged(WINDOWPOS* wp);
   1.390 +  void                    OnWindowPosChanging(LPWINDOWPOS& info);
   1.391 +  void                    OnSysColorChanged();
   1.392 +
   1.393 +  /**
   1.394 +   * Function that registers when the user has been active (used for detecting
   1.395 +   * when the user is idle).
   1.396 +   */
   1.397 +  void                    UserActivity();
   1.398 +
   1.399 +  int32_t                 GetHeight(int32_t aProposedHeight);
   1.400 +  void                    GetWindowClass(nsString& aWindowClass);
   1.401 +  void                    GetWindowPopupClass(nsString& aWindowClass);
   1.402 +  virtual DWORD           WindowStyle();
   1.403 +  DWORD                   WindowExStyle();
   1.404 +
   1.405 +  void                    RegisterWindowClass(const nsString& aClassName,
   1.406 +                                              UINT aExtraStyle,
   1.407 +                                              LPWSTR aIconID);
   1.408 +
   1.409 +  /**
   1.410 +   * XP and Vista theming support for windows with rounded edges
   1.411 +   */
   1.412 +  void                    ClearThemeRegion();
   1.413 +  void                    SetThemeRegion();
   1.414 +
   1.415 +  /**
   1.416 +   * Popup hooks
   1.417 +   */
   1.418 +  static void             ScheduleHookTimer(HWND aWnd, UINT aMsgId);
   1.419 +  static void             RegisterSpecialDropdownHooks();
   1.420 +  static void             UnregisterSpecialDropdownHooks();
   1.421 +  static bool             GetPopupsToRollup(nsIRollupListener* aRollupListener,
   1.422 +                                            uint32_t* aPopupsToRollup);
   1.423 +  static bool             NeedsToHandleNCActivateDelayed(HWND aWnd);
   1.424 +  static bool             DealWithPopups(HWND inWnd, UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESULT* outResult);
   1.425 +
   1.426 +  /**
   1.427 +   * Window transparency helpers
   1.428 +   */
   1.429 +#ifdef MOZ_XUL
   1.430 +private:
   1.431 +  void                    SetWindowTranslucencyInner(nsTransparencyMode aMode);
   1.432 +  nsTransparencyMode      GetWindowTranslucencyInner() const { return mTransparencyMode; }
   1.433 +  void                    ResizeTranslucentWindow(int32_t aNewWidth, int32_t aNewHeight, bool force = false);
   1.434 +  nsresult                UpdateTranslucentWindow();
   1.435 +  void                    ClearTranslucentWindow();
   1.436 +  void                    SetupTranslucentWindowMemoryBitmap(nsTransparencyMode aMode);
   1.437 +  void                    UpdateGlass();
   1.438 +protected:
   1.439 +#endif // MOZ_XUL
   1.440 +
   1.441 +  static bool             IsAsyncResponseEvent(UINT aMsg, LRESULT& aResult);
   1.442 +  void                    IPCWindowProcHandler(UINT& msg, WPARAM& wParam, LPARAM& lParam);
   1.443 +
   1.444 +  /**
   1.445 +   * Misc.
   1.446 +   */
   1.447 +  void                    StopFlashing();
   1.448 +  static bool             IsTopLevelMouseExit(HWND aWnd);
   1.449 +  nsresult                SetWindowClipRegion(const nsTArray<nsIntRect>& aRects,
   1.450 +                                              bool aIntersectWithExisting);
   1.451 +  nsIntRegion             GetRegionToPaint(bool aForceFullRepaint, 
   1.452 +                                           PAINTSTRUCT ps, HDC aDC);
   1.453 +  static void             ActivateOtherWindowHelper(HWND aWnd);
   1.454 +  void                    ClearCachedResources();
   1.455 +  nsIWidgetListener*      GetPaintListener();
   1.456 +  static bool             IsRenderMode(gfxWindowsPlatform::RenderMode aMode);
   1.457 +
   1.458 +protected:
   1.459 +  nsCOMPtr<nsIWidget>   mParent;
   1.460 +  nsIntSize             mLastSize;
   1.461 +  nsIntPoint            mLastPoint;
   1.462 +  HWND                  mWnd;
   1.463 +  WNDPROC               mPrevWndProc;
   1.464 +  HBRUSH                mBrush;
   1.465 +  bool                  mIsTopWidgetWindow;
   1.466 +  bool                  mInDtor;
   1.467 +  bool                  mIsVisible;
   1.468 +  bool                  mUnicodeWidget;
   1.469 +  bool                  mPainting;
   1.470 +  bool                  mTouchWindow;
   1.471 +  bool                  mDisplayPanFeedback;
   1.472 +  bool                  mHideChrome;
   1.473 +  bool                  mIsRTL;
   1.474 +  bool                  mFullscreenMode;
   1.475 +  bool                  mMousePresent;
   1.476 +  bool                  mDestroyCalled;
   1.477 +  uint32_t              mBlurSuppressLevel;
   1.478 +  DWORD_PTR             mOldStyle;
   1.479 +  DWORD_PTR             mOldExStyle;
   1.480 +  nsNativeDragTarget*   mNativeDragTarget;
   1.481 +  HKL                   mLastKeyboardLayout;
   1.482 +  nsSizeMode            mOldSizeMode;
   1.483 +  nsSizeMode            mLastSizeMode;
   1.484 +  WindowHook            mWindowHook;
   1.485 +  DWORD                 mAssumeWheelIsZoomUntil;
   1.486 +  uint32_t              mPickerDisplayCount;
   1.487 +  HICON                 mIconSmall;
   1.488 +  HICON                 mIconBig;
   1.489 +  static bool           sDropShadowEnabled;
   1.490 +  static uint32_t       sInstanceCount;
   1.491 +  static TriStateBool   sCanQuit;
   1.492 +  static nsWindow*      sCurrentWindow;
   1.493 +  static BOOL           sIsOleInitialized;
   1.494 +  static HCURSOR        sHCursor;
   1.495 +  static imgIContainer* sCursorImgContainer;
   1.496 +  static bool           sSwitchKeyboardLayout;
   1.497 +  static bool           sJustGotDeactivate;
   1.498 +  static bool           sJustGotActivate;
   1.499 +  static bool           sIsInMouseCapture;
   1.500 +  static int            sTrimOnMinimize;
   1.501 +  static const char*    sDefaultMainWindowClass;
   1.502 +  static bool           sAllowD3D9;
   1.503 +
   1.504 +  // Always use the helper method to read this property.  See bug 603793.
   1.505 +  static TriStateBool   sHasBogusPopupsDropShadowOnMultiMonitor;
   1.506 +  static bool           HasBogusPopupsDropShadowOnMultiMonitor();
   1.507 +
   1.508 +  static uint32_t       sOOPPPluginFocusEvent;
   1.509 +
   1.510 +  // Non-client margin settings
   1.511 +  // Pre-calculated outward offset applied to default frames
   1.512 +  nsIntMargin           mNonClientOffset;
   1.513 +  // Margins set by the owner
   1.514 +  nsIntMargin           mNonClientMargins;
   1.515 +
   1.516 +  // Indicates custom frames are enabled
   1.517 +  bool                  mCustomNonClient;
   1.518 +  // Cached copy of L&F's resize border  
   1.519 +  int32_t               mHorResizeMargin;
   1.520 +  int32_t               mVertResizeMargin;
   1.521 +  // Height of the caption plus border
   1.522 +  int32_t               mCaptionHeight;
   1.523 +
   1.524 +  nsCOMPtr<nsIIdleServiceInternal> mIdleService;
   1.525 +
   1.526 +  // Hook Data Memebers for Dropdowns. sProcessHook Tells the
   1.527 +  // hook methods whether they should be processing the hook
   1.528 +  // messages.
   1.529 +  static HHOOK          sMsgFilterHook;
   1.530 +  static HHOOK          sCallProcHook;
   1.531 +  static HHOOK          sCallMouseHook;
   1.532 +  static bool           sProcessHook;
   1.533 +  static UINT           sRollupMsgId;
   1.534 +  static HWND           sRollupMsgWnd;
   1.535 +  static UINT           sHookTimerId;
   1.536 +
   1.537 +  // Mouse Clicks - static variable definitions for figuring
   1.538 +  // out 1 - 3 Clicks.
   1.539 +  static POINT          sLastMousePoint;
   1.540 +  static POINT          sLastMouseMovePoint;
   1.541 +  static LONG           sLastMouseDownTime;
   1.542 +  static LONG           sLastClickCount;
   1.543 +  static BYTE           sLastMouseButton;
   1.544 +
   1.545 +  // Graphics
   1.546 +  HDC                   mPaintDC; // only set during painting
   1.547 +  HDC                   mCompositeDC; // only set during StartRemoteDrawing
   1.548 +
   1.549 +  nsIntRect             mLastPaintBounds;
   1.550 +
   1.551 +  // Transparency
   1.552 +#ifdef MOZ_XUL
   1.553 +  // Use layered windows to support full 256 level alpha translucency
   1.554 +  nsRefPtr<gfxASurface> mTransparentSurface;
   1.555 +  HDC                   mMemoryDC;
   1.556 +  nsTransparencyMode    mTransparencyMode;
   1.557 +  nsIntRegion           mPossiblyTransparentRegion;
   1.558 +  MARGINS               mGlassMargins;
   1.559 +#endif // MOZ_XUL
   1.560 +
   1.561 +  // Win7 Gesture processing and management
   1.562 +  nsWinGesture          mGesture;
   1.563 +
   1.564 +  // Weak ref to the nsITaskbarWindowPreview associated with this window
   1.565 +  nsWeakPtr             mTaskbarPreview;
   1.566 +  // True if the taskbar (possibly through the tab preview) tells us that the
   1.567 +  // icon has been created on the taskbar.
   1.568 +  bool                  mHasTaskbarIconBeenCreated;
   1.569 +
   1.570 +  // Indicates that mouse events should be ignored and pass through to the
   1.571 +  // window below. This is currently only used for popups.
   1.572 +  bool                  mMouseTransparent;
   1.573 +
   1.574 +  // The point in time at which the last paint completed. We use this to avoid
   1.575 +  //  painting too rapidly in response to frequent input events.
   1.576 +  TimeStamp mLastPaintEndTime;
   1.577 +
   1.578 +  // Caching for hit test results
   1.579 +  POINT mCachedHitTestPoint;
   1.580 +  TimeStamp mCachedHitTestTime;
   1.581 +  int32_t mCachedHitTestResult;
   1.582 +
   1.583 +  static bool sNeedsToInitMouseWheelSettings;
   1.584 +  static void InitMouseWheelScrollData();
   1.585 +};
   1.586 +
   1.587 +/**
   1.588 + * A child window is a window with different style.
   1.589 + */
   1.590 +class ChildWindow : public nsWindow {
   1.591 +
   1.592 +public:
   1.593 +  ChildWindow() {}
   1.594 +
   1.595 +protected:
   1.596 +  virtual DWORD WindowStyle();
   1.597 +};
   1.598 +
   1.599 +#endif // Window_h__

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