C++ (Cpp) GetContentBR示例

示例#1

文件： IMEContentObserver.cpp 项目： hoosteeno/gecko-dev

void
IMEContentObserver::AttributeWillChange(nsIDocument* aDocument,
                                        dom::Element* aElement,
                                        int32_t aNameSpaceID,
                                        nsIAtom* aAttribute,
                                        int32_t aModType)
{
  nsIContent *content = GetContentBR(aElement);
  mPreAttrChangeLength = content ?
    ContentEventHandler::GetNativeTextLength(content) : 0;
}

示例#2

文件： IMEContentObserver.cpp 项目： paulmadore/luckyde

void
IMEContentObserver::AttributeChanged(nsIDocument* aDocument,
                                     dom::Element* aElement,
                                     int32_t aNameSpaceID,
                                     nsIAtom* aAttribute,
                                     int32_t aModType,
                                     const nsAttrValue* aOldValue)
{
  mEndOfAddedTextCache.Clear();
  mStartOfRemovingTextRangeCache.Clear();

  bool causedByComposition = IsEditorHandlingEventForComposition();
  if (!mTextChangeData.IsValid() && causedByComposition &&
      !mUpdatePreference.WantChangesCausedByComposition()) {
    return;
  }

  nsIContent *content = GetContentBR(aElement);
  if (!content) {
    return;
  }

  uint32_t postAttrChangeLength =
    ContentEventHandler::GetNativeTextLength(content);
  if (postAttrChangeLength == mPreAttrChangeLength) {
    return;
  }
  uint32_t start;
  nsresult rv =
    ContentEventHandler::GetFlatTextOffsetOfRange(mRootContent, content,
                                                  0, &start,
                                                  LINE_BREAK_TYPE_NATIVE);
  NS_ENSURE_SUCCESS_VOID(rv);

  TextChangeData data(start, start + mPreAttrChangeLength,
                      start + postAttrChangeLength, causedByComposition);
  MaybeNotifyIMEOfTextChange(data);
}