C++ (Cpp) HTMLDocument::ScrollToDefaultAnchor 예제들

예제 #1

파일: dhbody.cpp 프로젝트: peteratebs/webcwebbrowser

/*---------------------------------------------------------------------------*/
void HTMLBodyDisplay::Format(void)
{
	DisplayManager *manager = GetManager();

	if (manager)
	{
		PresetWebRect rect(&manager->mViewRect);
		DISPLAY_INT viewportWidth  = rect.Width();
		DISPLAY_INT viewportHeight = rect.Height();
		WEBC_DEBUG_LOG_TIME_HANDLE(TimeInside)

		WEBC_DEBUG_LOG_TIME_ENTER(TimeInside,"HTMLBodyDisplay::Format", " ")
		rect.MoveTo(0, 0);


		SetParentWidth(viewportWidth, viewportWidth);
		SetParentHeight(viewportHeight);

#if (WEBC_SUPPORT_FRAMES)
		HTMLBody* bodyElement = (HTMLBody*) mpHtmlElement;
		HTMLFrameSet* framesetElement = (bodyElement)? bodyElement->GetFrameSet() : 0;

		mpFrameSet = (HTMLFrameSetDisplay*) ((framesetElement)? framesetElement->GetDisplayElement() : 0);

		if (mpFrameSet)
		{
			// remove all old children
			while (mpFirstChild)
			{
				Remove(mpFirstChild);
			}

			// add the frameset
			mpFrameSet->SetParentWidth(viewportWidth, viewportWidth);
			mpFrameSet->SetParentHeight(viewportHeight);
			mpFrameSet->SetXYPosition(0,0);
			mpFrameSet->SetParentDisplay(this, 0);
			miContentHeight = viewportHeight;
			miMaxWidth = viewportWidth;
			miMinWidth = viewportWidth;

			mFlowFlags &= ~(FD_FLAG_POS_CHILD_STYLE_MODIFIED|
			                FD_FLAG_FLOW_CHILD_STYLE_MODIFIED|
			                FD_FLAG_LOCAL_STYLE_MODIFIED|
							FD_FLAG_PARENT_STYLE_MODIFIED);
		}
		else
#endif // WEBC_SUPPORT_FRAMES
		{
			DISPLAY_INT marginLeftValue   = GetLeftMargin();
			DISPLAY_INT marginRightValue  = GetRightMargin();
			DISPLAY_INT marginTopValue    = GetTopMargin();

			DISPLAY_INT paddingLeftValue  = mBorder.GetPaddingWidth(CSS_LEFT);
			DISPLAY_INT paddingRightValue = mBorder.GetPaddingWidth(CSS_RIGHT);
			DISPLAY_INT paddingTopValue   = mBorder.GetPaddingWidth(CSS_TOP);

			// check to see if we just need to update positioned child formatting
			if (mFlowFlags & (FD_FLAG_FLOW_CHILD_STYLE_MODIFIED|
			                  FD_FLAG_LOCAL_STYLE_MODIFIED|
			                  FD_FLAG_PARENT_STYLE_MODIFIED))
			{
				DISPLAY_INT iContentWidth;
				MarginContext margin (marginLeftValue + paddingLeftValue,
				                      viewportWidth - (marginRightValue + paddingRightValue) - 1, this);

				// Format the flow content
				miContentHeight = FormatFlowContent (&margin,
				                                     marginLeftValue + paddingLeftValue,
				                                     marginTopValue + paddingTopValue, &iContentWidth);

				// update miContentHeight to include anything in the margins
				DISPLAY_INT topPad = marginTopValue + paddingTopValue;
				DISPLAY_INT clearedHeight = margin.ClearAll(topPad + miContentHeight) - topPad;
				if (clearedHeight > miContentHeight)
				{
					miContentHeight = clearedHeight;
				}

				// set this element's height
				UpdateHeight(0, 0);
			}

			// Format positioned elements
			FormatContextFactory childContextFactory;

			if (mPositionedChildFormatContext)
			{
				WebRect oldRect;

				mPositionedChildFormatContext->getContainingBlock(&oldRect);

				if (!oldRect.Equals(&rect) ||
				    miContentHeight != mPositionedChildFormatContext->getAutoIndentTop())
				{
					mPositionedChildFormatContext->release();
					mPositionedChildFormatContext = 0;
				}
			}

			WEBC_BOOL reformatPositionedChildren = (mFlowFlags & FD_FLAG_POS_CHILD_STYLE_MODIFIED) != 0;

			if (!mPositionedChildFormatContext)
			{
				mPositionedChildFormatContext = childContextFactory.newPositioned (
						&rect,            // containingBlock,
						WEBC_FALSE,       // parentHeightIsAuto,
						TU_DIR_LTR,       // textDirection,
						0,                // parentBorderLeft,
						0,                // parentBorderTop,
						0,                // parentBorderRight,
						0,                // parentBorderBottom,
						marginLeftValue,  // autoIndentLeft,
						miContentHeight,  // autoIndentTop,
						marginRightValue  // autoIndentRight
					);

				reformatPositionedChildren = (mPositionedChildFormatContext != WEBC_NULL);
			}

			if (reformatPositionedChildren)
			{
				HTMLFlowDisplayFormatContext formatCtx;

				BeginFormatPositionedChildren(&formatCtx);

				FormatPositionedChildren (
						mPositionedChildFormatContext,
						mPositionedChildFormatContext,
						&childContextFactory
					);

				EndFormatPositionedChildren(&formatCtx);
			}

			mFlowFlags &= ~(FD_FLAG_POS_CHILD_STYLE_MODIFIED|
			                FD_FLAG_FLOW_CHILD_STYLE_MODIFIED|
			                FD_FLAG_LOCAL_STYLE_MODIFIED|
							FD_FLAG_PARENT_STYLE_MODIFIED);
		}

		WEBC_ASSERT(!NeedsFormat());

		// handles the case where HTMLDocument::ScrollToAnchor is called before the
		//  document's content has been formatted.
		if (mpHtmlElement)
		{
			HTMLDocument* document = mpHtmlElement->GetDocument();
			if (document)
			{
				document->ScrollToDefaultAnchor();
				document->SetQueuedFocus();
			}
		}
		WEBC_DEBUG_LOG_TIME_EXIT(TimeInside,"HTMLBodyDisplay::Format", " ")
	}
}