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 namespace mozilla::widget {
  19 class TextInputHandler;
  20 }
  21
  22 class nsWindow final : public nsBaseWidget {
  23   typedef nsBaseWidget Inherited;
  24
  25  public:
  26   nsWindow();
  27
  28   NS_INLINE_DECL_REFCOUNTING_INHERITED(nsWindow, Inherited)
  29
  30   //
  31   // nsIWidget
  32   //
  33
  34   [[nodiscard]] nsresult Create(
  35       nsIWidget* aParent, nsNativeWidget aNativeParent,
  36       const LayoutDeviceIntRect& aRect,
  37       mozilla::widget::InitData* aInitData = nullptr) override;
  38   void Destroy() override;
  39   void Show(bool aState) override;
  40   void Enable(bool aState) override {}
  41   bool IsEnabled() const override { return true; }
  42   bool IsVisible() const override { return mVisible; }
  43   void SetFocus(Raise, mozilla::dom::CallerType aCallerType) override;
  44   LayoutDeviceIntPoint WidgetToScreenOffset() override;
  45
  46   void SetBackgroundColor(const nscolor& aColor) override;
  47   void* GetNativeData(uint32_t aDataType) override;
  48
  49   void Move(double aX, double aY) override;
  50   nsSizeMode SizeMode() override { return mSizeMode; }
  51   void SetSizeMode(nsSizeMode aMode) override;
  52   void EnteredFullScreen(bool aFullScreen);
  53   void Resize(double aWidth, double aHeight, bool aRepaint) override;
  54   void Resize(double aX, double aY, double aWidth, double aHeight,
  55               bool aRepaint) override;
  56   LayoutDeviceIntRect GetScreenBounds() override;
  57   void ReportMoveEvent();
  58   void ReportSizeEvent();
  59   void ReportSizeModeEvent(nsSizeMode aMode);
  60
  61   CGFloat BackingScaleFactor();
  62   void BackingScaleFactorChanged();
  63   float GetDPI() override {
  64     // XXX: terrible
  65     return 326.0f;
  66   }
  67   double GetDefaultScaleInternal() override { return BackingScaleFactor(); }
  68   int32_t RoundsWidgetCoordinatesTo() override;
  69
  70   nsresult SetTitle(const nsAString& aTitle) override { return NS_OK; }
  71
  72   void Invalidate(const LayoutDeviceIntRect& aRect) override;
  73   nsresult DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
  74                          nsEventStatus& aStatus) override;
  75
  76   void WillPaintWindow();
  77   bool PaintWindow(LayoutDeviceIntRegion aRegion);
  78
  79   bool HasModalDescendents() { return false; }
  80
  81   // virtual nsresult
  82   // NotifyIME(const IMENotification& aIMENotification) override;
  83   void SetInputContext(const InputContext& aContext,
  84                        const InputContextAction& aAction) override;
  85   InputContext GetInputContext() override;
  86   TextEventDispatcherListener* GetNativeTextEventDispatcherListener() override;
  87
  88   mozilla::widget::TextInputHandler* GetTextInputHandler() const {
  89     return mTextInputHandler;
  90   }
  91   bool IsVirtualKeyboardDisabled() const;
  92
  93   /*
  94   virtual bool ExecuteNativeKeyBinding(
  95                       NativeKeyBindingsType aType,
  96                       const mozilla::WidgetKeyboardEvent& aEvent,
  97                       DoCommandCallback aCallback,
  98                       void* aCallbackData) override;
  99   */
 100
 101  protected:
 102   virtual ~nsWindow();
 103   void BringToFront();
 104   nsWindow* FindTopLevel();
 105   bool IsTopLevel();
 106   nsresult GetCurrentOffset(uint32_t& aOffset, uint32_t& aLength);
 107   nsresult DeleteRange(int aOffset, int aLen);
 108
 109   void TearDownView();
 110
 111   ChildView* mNativeView;
 112   bool mVisible;
 113   nsSizeMode mSizeMode;
 114   nsTArray<nsWindow*> mChildren;
 115   nsWindow* mParent;
 116
 117   mozilla::widget::InputContext mInputContext;
 118   RefPtr<mozilla::widget::TextInputHandler> mTextInputHandler;
 119
 120   void OnSizeChanged(const mozilla::gfx::IntSize& aSize);
 121
 122   static void DumpWindows();
 123   static void DumpWindows(const nsTArray<nsWindow*>& wins, int indent = 0);
 124   static void LogWindow(nsWindow* win, int index, int indent);
 125 };
 126
 127 #endif /* NSWINDOW_H_ */