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 nsPoint;
  20 class nsIDocument;
  21
  22 namespace mozilla {
  23   namespace layers {
  24     class LayerTransactionChild;
  25   }
  26 }
  27
  28 class nsTranslationNodeList MOZ_FINAL : public nsITranslationNodeList
  29 {
  30 public:
  31   nsTranslationNodeList()
  32   {
  33     mNodes.SetCapacity(1000);
  34     mNodeIsRoot.SetCapacity(1000);
  35     mLength = 0;
  36   }
  37
  38   NS_DECL_ISUPPORTS
  39   NS_DECL_NSITRANSLATIONNODELIST
  40
  41   void AppendElement(nsIDOMNode* aElement, bool aIsRoot)
  42   {
  43     mNodes.AppendElement(aElement);
  44     mNodeIsRoot.AppendElement(aIsRoot);
  45     mLength++;
  46   }
  47
  48 private:
  49   nsTArray<nsCOMPtr<nsIDOMNode> > mNodes;
  50   nsTArray<bool> mNodeIsRoot;
  51   uint32_t mLength;
  52 };
  53
  54 class nsDOMWindowUtils MOZ_FINAL : public nsIDOMWindowUtils,
  55                                    public nsSupportsWeakReference
  56 {
  57 public:
  58   nsDOMWindowUtils(nsGlobalWindow *aWindow);
  59   ~nsDOMWindowUtils();
  60   NS_DECL_ISUPPORTS
  61   NS_DECL_NSIDOMWINDOWUTILS
  62
  63 protected:
  64   nsWeakPtr mWindow;
  65
  66   // If aOffset is non-null, it gets filled in with the offset of the root
  67   // frame of our window to the nearest widget in the app units of our window.
  68   // Add this offset to any event offset we're given to make it relative to the
  69   // widget returned by GetWidget.
  70   nsIWidget* GetWidget(nsPoint* aOffset = nullptr);
  71   nsIWidget* GetWidgetForElement(nsIDOMElement* aElement);
  72
  73   nsIPresShell* GetPresShell();
  74   nsPresContext* GetPresContext();
  75   nsIDocument* GetDocument();
  76   mozilla::layers::LayerTransactionChild* GetLayerTransaction();
  77
  78   NS_IMETHOD SendMouseEventCommon(const nsAString& aType,
  79                                   float aX,
  80                                   float aY,
  81                                   int32_t aButton,
  82                                   int32_t aClickCount,
  83                                   int32_t aModifiers,
  84                                   bool aIgnoreRootScrollFrame,
  85                                   float aPressure,
  86                                   unsigned short aInputSourceArg,
  87                                   bool aToWindow,
  88                                   bool *aPreventDefault,
  89                                   bool aIsSynthesized);
  90
  91   NS_IMETHOD SendTouchEventCommon(const nsAString& aType,
  92                                   uint32_t* aIdentifiers,
  93                                   int32_t* aXs,
  94                                   int32_t* aYs,
  95                                   uint32_t* aRxs,
  96                                   uint32_t* aRys,
  97                                   float* aRotationAngles,
  98                                   float* aForces,
  99                                   uint32_t aCount,
 100                                   int32_t aModifiers,
 101                                   bool aIgnoreRootScrollFrame,
 102                                   bool aToWindow,
 103                                   bool* aPreventDefault);
 104
 105
 106   static mozilla::Modifiers GetWidgetModifiers(int32_t aModifiers);
 107 };
 108
 109 #endif