dom/base/nsDOMWindowUtils.h

   1 /* -*- Mode: C++; tab-width: 2; 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 nsDOMWindowUtils_h_
   7 #define nsDOMWindowUtils_h_
   8
   9 #include "nsWeakReference.h"
  10
  11 #include "nsIDOMWindowUtils.h"
  12 #include "mozilla/Attributes.h"
  13 #include "mozilla/BasicEvents.h"
  14
  15 class nsGlobalWindow;
  16 class nsIPresShell;
  17 class nsIWidget;
  18 class nsPresContext;
  19 class nsIDocument;
  20 class nsView;
  21 struct nsPoint;
  22
  23 namespace mozilla {
  24   namespace layers {
  25     class LayerTransactionChild;
  26   }
  27 }
  28
  29 class nsTranslationNodeList MOZ_FINAL : public nsITranslationNodeList
  30 {
  31 public:
  32   nsTranslationNodeList()
  33   {
  34     mNodes.SetCapacity(1000);
  35     mNodeIsRoot.SetCapacity(1000);
  36     mLength = 0;
  37   }
  38
  39   NS_DECL_ISUPPORTS
  40   NS_DECL_NSITRANSLATIONNODELIST
  41
  42   void AppendElement(nsIDOMNode* aElement, bool aIsRoot)
  43   {
  44     mNodes.AppendElement(aElement);
  45     mNodeIsRoot.AppendElement(aIsRoot);
  46     mLength++;
  47   }
  48
  49 private:
  50   ~nsTranslationNodeList() {}
  51
  52   nsTArray<nsCOMPtr<nsIDOMNode> > mNodes;
  53   nsTArray<bool> mNodeIsRoot;
  54   uint32_t mLength;
  55 };
  56
  57 class nsDOMWindowUtils MOZ_FINAL : public nsIDOMWindowUtils,
  58                                    public nsSupportsWeakReference
  59 {
  60 public:
  61   explicit nsDOMWindowUtils(nsGlobalWindow *aWindow);
  62   NS_DECL_ISUPPORTS
  63   NS_DECL_NSIDOMWINDOWUTILS
  64
  65 protected:
  66   ~nsDOMWindowUtils();
  67
  68   nsWeakPtr mWindow;
  69
  70   // If aOffset is non-null, it gets filled in with the offset of the root
  71   // frame of our window to the nearest widget in the app units of our window.
  72   // Add this offset to any event offset we're given to make it relative to the
  73   // widget returned by GetWidget.
  74   nsIWidget* GetWidget(nsPoint* aOffset = nullptr);
  75   nsIWidget* GetWidgetForElement(nsIDOMElement* aElement);
  76
  77   nsIPresShell* GetPresShell();
  78   nsPresContext* GetPresContext();
  79   nsIDocument* GetDocument();
  80   mozilla::layers::LayerTransactionChild* GetLayerTransaction();
  81
  82   nsView* GetViewToDispatchEvent(nsPresContext* presContext, nsIPresShell** presShell);
  83
  84   NS_IMETHOD SendMouseEventCommon(const nsAString& aType,
  85                                   float aX,
  86                                   float aY,
  87                                   int32_t aButton,
  88                                   int32_t aClickCount,
  89                                   int32_t aModifiers,
  90                                   bool aIgnoreRootScrollFrame,
  91                                   float aPressure,
  92                                   unsigned short aInputSourceArg,
  93                                   bool aToWindow,
  94                                   bool *aPreventDefault,
  95                                   bool aIsSynthesized);
  96
  97   NS_IMETHOD SendPointerEventCommon(const nsAString& aType,
  98                                     float aX,
  99                                     float aY,
 100                                     int32_t aButton,
 101                                     int32_t aClickCount,
 102                                     int32_t aModifiers,
 103                                     bool aIgnoreRootScrollFrame,
 104                                     float aPressure,
 105                                     unsigned short aInputSourceArg,
 106                                     int32_t aPointerId,
 107                                     int32_t aWidth,
 108                                     int32_t aHeight,
 109                                     int32_t aTiltX,
 110                                     int32_t aTiltY,
 111                                     bool aIsPrimary,
 112                                     bool aIsSynthesized,
 113                                     uint8_t aOptionalArgCount,
 114                                     bool aToWindow,
 115                                     bool* aPreventDefault);
 116
 117   NS_IMETHOD SendTouchEventCommon(const nsAString& aType,
 118                                   uint32_t* aIdentifiers,
 119                                   int32_t* aXs,
 120                                   int32_t* aYs,
 121                                   uint32_t* aRxs,
 122                                   uint32_t* aRys,
 123                                   float* aRotationAngles,
 124                                   float* aForces,
 125                                   uint32_t aCount,
 126                                   int32_t aModifiers,
 127                                   bool aIgnoreRootScrollFrame,
 128                                   bool aToWindow,
 129                                   bool* aPreventDefault);
 130
 131   static mozilla::Modifiers GetWidgetModifiers(int32_t aModifiers);
 132 };
 133
 134 #endif