widget/uikit/nsWindow.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef NSWINDOW_H_
   7 #define NSWINDOW_H_
   8
   9 #include "nsBaseWidget.h"
  10 #include "gfxPoint.h"
  11
  12 #include "nsTArray.h"
  13
  14 @class UIWindow;
  15 @class UIView;
  16 @class ChildView;
  17
  18 class nsWindow final : public nsBaseWidget {
  19   typedef nsBaseWidget Inherited;
  20
  21  public:
  22   nsWindow();
  23
  24   NS_INLINE_DECL_REFCOUNTING_INHERITED(nsWindow, Inherited)
  25
  26   //
  27   // nsIWidget
  28   //
  29
  30   [[nodiscard]] virtual nsresult Create(nsIWidget* aParent, nsNativeWidget aNativeParent,
  31                                         const LayoutDeviceIntRect& aRect,
  32                                         widget::InitData* aInitData = nullptr) override;
  33   virtual void Destroy() override;
  34   virtual void Show(bool aState) override;
  35   virtual void Enable(bool aState) override {}
  36   virtual bool IsEnabled() const override { return true; }
  37   virtual bool IsVisible() const override { return mVisible; }
  38   virtual void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override;
  39   virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
  40
  41   virtual void SetBackgroundColor(const nscolor& aColor) override;
  42   virtual void* GetNativeData(uint32_t aDataType) override;
  43
  44   virtual void Move(double aX, double aY) override;
  45   virtual nsSizeMode SizeMode() override { return mSizeMode; }
  46   virtual void SetSizeMode(nsSizeMode aMode) override;
  47   void EnteredFullScreen(bool aFullScreen);
  48   virtual void Resize(double aWidth, double aHeight, bool aRepaint) override;
  49   virtual void Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint) override;
  50   virtual LayoutDeviceIntRect GetScreenBounds() override;
  51   void ReportMoveEvent();
  52   void ReportSizeEvent();
  53   void ReportSizeModeEvent(nsSizeMode aMode);
  54
  55   CGFloat BackingScaleFactor();
  56   void BackingScaleFactorChanged();
  57   virtual float GetDPI() override {
  58     // XXX: terrible
  59     return 326.0f;
  60   }
  61   virtual double GetDefaultScaleInternal() override { return BackingScaleFactor(); }
  62   virtual int32_t RoundsWidgetCoordinatesTo() override;
  63
  64   virtual nsresult SetTitle(const nsAString& aTitle) override { return NS_OK; }
  65
  66   virtual void Invalidate(const LayoutDeviceIntRect& aRect) override;
  67   virtual nsresult DispatchEvent(mozilla::WidgetGUIEvent* aEvent, nsEventStatus& aStatus) override;
  68
  69   void WillPaintWindow();
  70   bool PaintWindow(LayoutDeviceIntRegion aRegion);
  71
  72   bool HasModalDescendents() { return false; }
  73
  74   // virtual nsresult
  75   // NotifyIME(const IMENotification& aIMENotification) override;
  76   virtual void SetInputContext(const InputContext& aContext, const InputContextAction& aAction);
  77   virtual InputContext GetInputContext();
  78   /*
  79   virtual bool ExecuteNativeKeyBinding(
  80                       NativeKeyBindingsType aType,
  81                       const mozilla::WidgetKeyboardEvent& aEvent,
  82                       DoCommandCallback aCallback,
  83                       void* aCallbackData) override;
  84   */
  85
  86  protected:
  87   virtual ~nsWindow();
  88   void BringToFront();
  89   nsWindow* FindTopLevel();
  90   bool IsTopLevel();
  91   nsresult GetCurrentOffset(uint32_t& aOffset, uint32_t& aLength);
  92   nsresult DeleteRange(int aOffset, int aLen);
  93
  94   void TearDownView();
  95
  96   ChildView* mNativeView;
  97   bool mVisible;
  98   nsSizeMode mSizeMode;
  99   nsTArray<nsWindow*> mChildren;
 100   nsWindow* mParent;
 101   InputContext mInputContext;
 102
 103   void OnSizeChanged(const mozilla::gfx::IntSize& aSize);
 104
 105   static void DumpWindows();
 106   static void DumpWindows(const nsTArray<nsWindow*>& wins, int indent = 0);
 107   static void LogWindow(nsWindow* win, int index, int indent);
 108 };
 109
 110 #endif /* NSWINDOW_H_ */