accessible/windows/sdn/sdnTextAccessible.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_a11y_sdnTextAccessible_h_
   8 #define mozilla_a11y_sdnTextAccessible_h_
   9
  10 #include "ISimpleDOM.h"
  11 #include "IUnknownImpl.h"
  12
  13 #include "MsaaAccessible.h"
  14
  15 class nsIFrame;
  16 struct nsPoint;
  17
  18 namespace mozilla {
  19 namespace a11y {
  20
  21 class sdnTextAccessible final : public ISimpleDOMText {
  22  public:
  23   explicit sdnTextAccessible(MsaaAccessible* aMsaa) : mMsaa(aMsaa){};
  24   ~sdnTextAccessible() {}
  25
  26   DECL_IUNKNOWN
  27
  28   // ISimpleDOMText
  29
  30   virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_domText(
  31       /* [retval][out] */ BSTR __RPC_FAR* aText);
  32
  33   virtual HRESULT STDMETHODCALLTYPE get_clippedSubstringBounds(
  34       /* [in] */ unsigned int startIndex,
  35       /* [in] */ unsigned int endIndex,
  36       /* [out] */ int __RPC_FAR* aX,
  37       /* [out] */ int __RPC_FAR* aY,
  38       /* [out] */ int __RPC_FAR* aWidth,
  39       /* [out] */ int __RPC_FAR* aHeight);
  40
  41   virtual HRESULT STDMETHODCALLTYPE get_unclippedSubstringBounds(
  42       /* [in] */ unsigned int aStartIndex,
  43       /* [in] */ unsigned int aEndIndex,
  44       /* [out] */ int __RPC_FAR* aX,
  45       /* [out] */ int __RPC_FAR* aY,
  46       /* [out] */ int __RPC_FAR* aWidth,
  47       /* [out] */ int __RPC_FAR* aHeight);
  48
  49   virtual HRESULT STDMETHODCALLTYPE scrollToSubstring(
  50       /* [in] */ unsigned int aStartIndex,
  51       /* [in] */ unsigned int aEndIndex);
  52
  53   virtual /* [propget] */ HRESULT STDMETHODCALLTYPE get_fontFamily(
  54       /* [retval][out] */ BSTR __RPC_FAR* aFontFamily);
  55
  56  private:
  57   /**
  58    *  Return child frame containing offset on success.
  59    */
  60   nsIFrame* GetPointFromOffset(nsIFrame* aContainingFrame, int32_t aOffset,
  61                                bool aPreferNext, nsPoint& aOutPoint);
  62
  63   RefPtr<MsaaAccessible> mMsaa;
  64 };
  65
  66 }  // namespace a11y
  67 }  // namespace mozilla
  68
  69 #endif