зеркало из https://github.com/mozilla/gecko-dev.git
added attribute & content changed code
This commit is contained in:
peterl%netscape.com
Родитель
3bc6123a01
Коммит
1ad78fe181
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@ -242,29 +242,33 @@ public:
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nsIFrame*& aFrameSubTree);
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NS_IMETHOD ContentAppended(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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NS_IMETHOD ContentInserted(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentReplaced(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentRemoved(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsISupports* aSubContent);
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIAtom* aAttribute,
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PRInt32 aHint);
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// XXX style rule enumerations
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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@ -1378,7 +1382,6 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
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NS_IMETHODIMP
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HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer)
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{
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@ -1414,14 +1417,16 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
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aContainer->ChildAt(i, child);
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ConstructFrame(aPresContext, child, parentFrame, frame);
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// Link the frame into the child frame list
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if (nsnull == lastChildFrame) {
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firstAppendedFrame = frame;
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} else {
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lastChildFrame->SetNextSibling(frame);
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}
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if (nsnull != frame) {
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// Link the frame into the child frame list
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if (nsnull == lastChildFrame) {
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firstAppendedFrame = frame;
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} else {
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lastChildFrame->SetNextSibling(frame);
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}
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lastChildFrame = frame;
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lastChildFrame = frame;
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}
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NS_RELEASE(child);
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}
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@ -1511,7 +1516,6 @@ FindNextSibling(nsIPresShell* aPresShell,
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NS_IMETHODIMP
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HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer)
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@ -1580,7 +1584,6 @@ HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
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NS_IMETHODIMP
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HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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@ -1592,7 +1595,6 @@ HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
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NS_IMETHODIMP
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HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer)
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@ -1626,6 +1628,260 @@ HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
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return rv;
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}
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static void
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RemapStyleInTree(nsIPresContext* aPresContext,
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nsIFrame* aFrame)
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{
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nsIStyleContext* sc;
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aFrame->GetStyleContext(nsnull, sc);
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if (nsnull != sc) {
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sc->RemapStyle(aPresContext);
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// Update the children too...
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nsIFrame* kid;
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aFrame->FirstChild(kid);
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while (nsnull != kid) {
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RemapStyleInTree(aPresContext, kid);
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kid->GetNextSibling(kid);
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}
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}
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}
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static void
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ApplyStyleChangeToTree(nsIPresContext* aPresContext,
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nsIFrame* aFrame)
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{
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nsIContent* content;
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nsIFrame* geometricParent;
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aFrame->GetGeometricParent(geometricParent);
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aFrame->GetContent(content);
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if (nsnull != content) {
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PRBool onlyRemap = PR_FALSE;
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nsIStyleContext* oldSC;
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aFrame->GetStyleContext(nsnull, oldSC);
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nsIStyleContext* newSC =
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aPresContext->ResolveStyleContextFor(content, geometricParent);
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if (newSC == oldSC) {
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// Force cached style data to be recomputed
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newSC->RemapStyle(aPresContext);
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onlyRemap = PR_TRUE;
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}
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else {
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// Switch to new style context
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aFrame->SetStyleContext(aPresContext, newSC);
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}
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NS_IF_RELEASE(oldSC);
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NS_RELEASE(newSC);
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NS_RELEASE(content);
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// Update the children too...
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nsIFrame* kid;
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aFrame->FirstChild(kid);
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if (onlyRemap) {
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while (nsnull != kid) {
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RemapStyleInTree(aPresContext, kid);
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kid->GetNextSibling(kid);
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}
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}
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else {
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while (nsnull != kid) {
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ApplyStyleChangeToTree(aPresContext, kid);
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kid->GetNextSibling(kid);
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}
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}
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}
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}
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static void
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ApplyRenderingChangeToTree(nsIPresContext* aPresContext,
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nsIFrame* aFrame)
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{
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nsIViewManager* viewManager = nsnull;
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// Trigger rendering updates by damaging this frame and any
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// continuations of this frame.
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while (nsnull != aFrame) {
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// Get the frame's bounding rect
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nsRect r;
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aFrame->GetRect(r);
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r.x = 0;
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r.y = 0;
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// Get view if this frame has one and trigger an update. If the
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// frame doesn't have a view, find the nearest containing view
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// (adjusting r's coordinate system to reflect the nesting) and
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// update there.
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nsIView* view;
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aFrame->GetView(view);
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if (nsnull != view) {
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} else {
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nsPoint offset;
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aFrame->GetOffsetFromView(offset, view);
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NS_ASSERTION(nsnull != view, "no view");
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r += offset;
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}
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if (nsnull == viewManager) {
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view->GetViewManager(viewManager);
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}
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viewManager->UpdateView(view, r, NS_VMREFRESH_NO_SYNC);
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aFrame->GetNextInFlow(aFrame);
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}
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if (nsnull != viewManager) {
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viewManager->Composite();
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NS_RELEASE(viewManager);
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}
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}
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static void
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StyleChangeReflow(nsIPresContext* aPresContext,
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nsIFrame* aFrame)
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{
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nsIPresShell* shell;
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shell = aPresContext->GetShell();
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nsIReflowCommand* reflowCmd;
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nsresult rv = NS_NewHTMLReflowCommand(&reflowCmd, aFrame,
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nsIReflowCommand::StyleChanged);
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if (NS_SUCCEEDED(rv)) {
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shell->AppendReflowCommand(reflowCmd);
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NS_RELEASE(reflowCmd);
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}
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NS_RELEASE(shell);
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}
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NS_IMETHODIMP
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HTMLStyleSheetImpl::ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsISupports* aSubContent)
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{
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nsIPresShell* shell = aPresContext->GetShell();
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nsresult rv = NS_OK;
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// Find the child frame
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nsIFrame* frame = shell->FindFrameWithContent(aContent);
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// Notify the first frame that maps the content. It will generate a reflow
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// command
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// It's possible the frame whose content changed isn't inserted into the
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// frame hierarchy yet, or that there is no frame that maps the content
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if (nsnull != frame) {
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#if 0
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NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
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("nsHTMLStyleSheet::ContentChanged: content=%p[%s] subcontent=%p frame=%p",
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aContent, ContentTag(aContent, 0),
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aSubContent, frame));
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#endif
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frame->ContentChanged(aPresContext, aContent, aSubContent);
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}
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NS_RELEASE(shell);
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return rv;
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}
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NS_IMETHODIMP
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HTMLStyleSheetImpl::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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nsresult result = NS_OK;
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nsIPresShell* shell = aPresContext->GetShell();
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nsIFrame* frame = shell->FindFrameWithContent(aContent);
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if (nsnull != frame) {
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PRBool restyle = PR_FALSE;
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PRBool reflow = PR_FALSE;
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PRBool reframe = PR_FALSE;
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PRBool render = PR_FALSE;
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#if 0
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NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
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("HTMLStyleSheet::AttributeChanged: content=%p[%s] frame=%p",
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aContent, ContentTag(aContent, 0), frame));
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#endif
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nsIHTMLContent* htmlContent;
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result = aContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
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if (NS_OK == result) {
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nsIAtom* tag;
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htmlContent->GetTag(tag);
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// handle specific attributes by tag
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if (tag == nsHTMLAtoms::img) {
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if ((nsHTMLAtoms::width == aAttribute) ||
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(nsHTMLAtoms::height == aAttribute)) {
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restyle = PR_TRUE;
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reflow = PR_TRUE;
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}
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}
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else if (tag == nsHTMLAtoms::hr) {
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if (nsHTMLAtoms::noshade == aAttribute) {
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render = PR_TRUE;
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}
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}
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else {
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}
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// handle general attributes
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if (nsHTMLAtoms::style == aAttribute) {
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switch (aHint) {
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default:
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case NS_STYLE_HINT_UNKNOWN:
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case NS_STYLE_HINT_FRAMECHANGE:
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reframe = PR_TRUE;
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case NS_STYLE_HINT_REFLOW:
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reflow = PR_TRUE;
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case NS_STYLE_HINT_VISUAL:
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render = PR_TRUE;
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case NS_STYLE_HINT_CONTENT:
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restyle = PR_TRUE;
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break;
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}
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}
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else if (nsHTMLAtoms::color == aAttribute) {
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restyle = PR_TRUE;
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render = PR_TRUE;
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}
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else if (nsHTMLAtoms::face == aAttribute) {
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restyle = PR_TRUE;
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reflow = PR_TRUE;
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}
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NS_IF_RELEASE(tag);
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NS_RELEASE(htmlContent);
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}
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// apply changes
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if (PR_TRUE == restyle) {
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ApplyStyleChangeToTree(aPresContext, frame);
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}
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if (PR_TRUE == reframe) {
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NS_NOTYETIMPLEMENTED("frame change reflow");
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}
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else if (PR_TRUE == reflow) {
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StyleChangeReflow(aPresContext, frame);
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}
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else if (PR_TRUE == render) {
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ApplyRenderingChangeToTree(aPresContext, frame);
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}
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else { // let the frame deal with it, since we don't know how to
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frame->AttributeChanged(aPresContext, aContent, aAttribute, aHint);
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}
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}
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NS_RELEASE(shell);
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return result;
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}
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void HTMLStyleSheetImpl::List(FILE* out, PRInt32 aIndent) const
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{
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nsAutoString buffer;
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@ -242,29 +242,33 @@ public:
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nsIFrame*& aFrameSubTree);
|
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|
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NS_IMETHOD ContentAppended(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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NS_IMETHOD ContentInserted(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentReplaced(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aOldChild,
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nsIContent* aNewChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentRemoved(nsIPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsISupports* aSubContent);
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIAtom* aAttribute,
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PRInt32 aHint);
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// XXX style rule enumerations
|
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
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|
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@ -1378,7 +1382,6 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
|
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|
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NS_IMETHODIMP
|
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HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
|
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nsIDocument* aDocument,
|
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nsIContent* aContainer,
|
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PRInt32 aNewIndexInContainer)
|
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{
|
||||
|
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@ -1414,14 +1417,16 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
|
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aContainer->ChildAt(i, child);
|
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ConstructFrame(aPresContext, child, parentFrame, frame);
|
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|
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// Link the frame into the child frame list
|
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if (nsnull == lastChildFrame) {
|
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firstAppendedFrame = frame;
|
||||
} else {
|
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lastChildFrame->SetNextSibling(frame);
|
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}
|
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if (nsnull != frame) {
|
||||
// Link the frame into the child frame list
|
||||
if (nsnull == lastChildFrame) {
|
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firstAppendedFrame = frame;
|
||||
} else {
|
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lastChildFrame->SetNextSibling(frame);
|
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}
|
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|
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lastChildFrame = frame;
|
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lastChildFrame = frame;
|
||||
}
|
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NS_RELEASE(child);
|
||||
}
|
||||
|
||||
|
|
@ -1511,7 +1516,6 @@ FindNextSibling(nsIPresShell* aPresShell,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer)
|
||||
|
|
@ -1580,7 +1584,6 @@ HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aOldChild,
|
||||
nsIContent* aNewChild,
|
||||
|
|
@ -1592,7 +1595,6 @@ HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer)
|
||||
|
|
@ -1626,6 +1628,260 @@ HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
|
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return rv;
|
||||
}
|
||||
|
||||
static void
|
||||
RemapStyleInTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIStyleContext* sc;
|
||||
aFrame->GetStyleContext(nsnull, sc);
|
||||
if (nsnull != sc) {
|
||||
sc->RemapStyle(aPresContext);
|
||||
|
||||
// Update the children too...
|
||||
nsIFrame* kid;
|
||||
aFrame->FirstChild(kid);
|
||||
while (nsnull != kid) {
|
||||
RemapStyleInTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ApplyStyleChangeToTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIContent* content;
|
||||
nsIFrame* geometricParent;
|
||||
aFrame->GetGeometricParent(geometricParent);
|
||||
aFrame->GetContent(content);
|
||||
|
||||
if (nsnull != content) {
|
||||
PRBool onlyRemap = PR_FALSE;
|
||||
nsIStyleContext* oldSC;
|
||||
aFrame->GetStyleContext(nsnull, oldSC);
|
||||
nsIStyleContext* newSC =
|
||||
aPresContext->ResolveStyleContextFor(content, geometricParent);
|
||||
if (newSC == oldSC) {
|
||||
// Force cached style data to be recomputed
|
||||
newSC->RemapStyle(aPresContext);
|
||||
onlyRemap = PR_TRUE;
|
||||
}
|
||||
else {
|
||||
// Switch to new style context
|
||||
aFrame->SetStyleContext(aPresContext, newSC);
|
||||
}
|
||||
NS_IF_RELEASE(oldSC);
|
||||
NS_RELEASE(newSC);
|
||||
NS_RELEASE(content);
|
||||
|
||||
// Update the children too...
|
||||
nsIFrame* kid;
|
||||
aFrame->FirstChild(kid);
|
||||
if (onlyRemap) {
|
||||
while (nsnull != kid) {
|
||||
RemapStyleInTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
else {
|
||||
while (nsnull != kid) {
|
||||
ApplyStyleChangeToTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ApplyRenderingChangeToTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIViewManager* viewManager = nsnull;
|
||||
|
||||
// Trigger rendering updates by damaging this frame and any
|
||||
// continuations of this frame.
|
||||
while (nsnull != aFrame) {
|
||||
// Get the frame's bounding rect
|
||||
nsRect r;
|
||||
aFrame->GetRect(r);
|
||||
r.x = 0;
|
||||
r.y = 0;
|
||||
|
||||
// Get view if this frame has one and trigger an update. If the
|
||||
// frame doesn't have a view, find the nearest containing view
|
||||
// (adjusting r's coordinate system to reflect the nesting) and
|
||||
// update there.
|
||||
nsIView* view;
|
||||
aFrame->GetView(view);
|
||||
if (nsnull != view) {
|
||||
} else {
|
||||
nsPoint offset;
|
||||
aFrame->GetOffsetFromView(offset, view);
|
||||
NS_ASSERTION(nsnull != view, "no view");
|
||||
r += offset;
|
||||
}
|
||||
if (nsnull == viewManager) {
|
||||
view->GetViewManager(viewManager);
|
||||
}
|
||||
viewManager->UpdateView(view, r, NS_VMREFRESH_NO_SYNC);
|
||||
|
||||
aFrame->GetNextInFlow(aFrame);
|
||||
}
|
||||
|
||||
if (nsnull != viewManager) {
|
||||
viewManager->Composite();
|
||||
NS_RELEASE(viewManager);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
StyleChangeReflow(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIPresShell* shell;
|
||||
shell = aPresContext->GetShell();
|
||||
|
||||
nsIReflowCommand* reflowCmd;
|
||||
nsresult rv = NS_NewHTMLReflowCommand(&reflowCmd, aFrame,
|
||||
nsIReflowCommand::StyleChanged);
|
||||
if (NS_SUCCEEDED(rv)) {
|
||||
shell->AppendReflowCommand(reflowCmd);
|
||||
NS_RELEASE(reflowCmd);
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsISupports* aSubContent)
|
||||
{
|
||||
nsIPresShell* shell = aPresContext->GetShell();
|
||||
nsresult rv = NS_OK;
|
||||
|
||||
// Find the child frame
|
||||
nsIFrame* frame = shell->FindFrameWithContent(aContent);
|
||||
|
||||
// Notify the first frame that maps the content. It will generate a reflow
|
||||
// command
|
||||
|
||||
// It's possible the frame whose content changed isn't inserted into the
|
||||
// frame hierarchy yet, or that there is no frame that maps the content
|
||||
if (nsnull != frame) {
|
||||
#if 0
|
||||
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
||||
("nsHTMLStyleSheet::ContentChanged: content=%p[%s] subcontent=%p frame=%p",
|
||||
aContent, ContentTag(aContent, 0),
|
||||
aSubContent, frame));
|
||||
#endif
|
||||
frame->ContentChanged(aPresContext, aContent, aSubContent);
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::AttributeChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsIAtom* aAttribute,
|
||||
PRInt32 aHint)
|
||||
{
|
||||
nsresult result = NS_OK;
|
||||
|
||||
nsIPresShell* shell = aPresContext->GetShell();
|
||||
nsIFrame* frame = shell->FindFrameWithContent(aContent);
|
||||
|
||||
if (nsnull != frame) {
|
||||
PRBool restyle = PR_FALSE;
|
||||
PRBool reflow = PR_FALSE;
|
||||
PRBool reframe = PR_FALSE;
|
||||
PRBool render = PR_FALSE;
|
||||
|
||||
#if 0
|
||||
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
||||
("HTMLStyleSheet::AttributeChanged: content=%p[%s] frame=%p",
|
||||
aContent, ContentTag(aContent, 0), frame));
|
||||
#endif
|
||||
|
||||
nsIHTMLContent* htmlContent;
|
||||
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
||||
|
||||
if (NS_OK == result) {
|
||||
nsIAtom* tag;
|
||||
htmlContent->GetTag(tag);
|
||||
|
||||
// handle specific attributes by tag
|
||||
if (tag == nsHTMLAtoms::img) {
|
||||
if ((nsHTMLAtoms::width == aAttribute) ||
|
||||
(nsHTMLAtoms::height == aAttribute)) {
|
||||
restyle = PR_TRUE;
|
||||
reflow = PR_TRUE;
|
||||
}
|
||||
}
|
||||
else if (tag == nsHTMLAtoms::hr) {
|
||||
if (nsHTMLAtoms::noshade == aAttribute) {
|
||||
render = PR_TRUE;
|
||||
}
|
||||
}
|
||||
else {
|
||||
}
|
||||
|
||||
// handle general attributes
|
||||
if (nsHTMLAtoms::style == aAttribute) {
|
||||
switch (aHint) {
|
||||
default:
|
||||
case NS_STYLE_HINT_UNKNOWN:
|
||||
case NS_STYLE_HINT_FRAMECHANGE:
|
||||
reframe = PR_TRUE;
|
||||
case NS_STYLE_HINT_REFLOW:
|
||||
reflow = PR_TRUE;
|
||||
case NS_STYLE_HINT_VISUAL:
|
||||
render = PR_TRUE;
|
||||
case NS_STYLE_HINT_CONTENT:
|
||||
restyle = PR_TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (nsHTMLAtoms::color == aAttribute) {
|
||||
restyle = PR_TRUE;
|
||||
render = PR_TRUE;
|
||||
}
|
||||
else if (nsHTMLAtoms::face == aAttribute) {
|
||||
restyle = PR_TRUE;
|
||||
reflow = PR_TRUE;
|
||||
}
|
||||
|
||||
|
||||
NS_IF_RELEASE(tag);
|
||||
NS_RELEASE(htmlContent);
|
||||
}
|
||||
|
||||
// apply changes
|
||||
if (PR_TRUE == restyle) {
|
||||
ApplyStyleChangeToTree(aPresContext, frame);
|
||||
}
|
||||
if (PR_TRUE == reframe) {
|
||||
NS_NOTYETIMPLEMENTED("frame change reflow");
|
||||
}
|
||||
else if (PR_TRUE == reflow) {
|
||||
StyleChangeReflow(aPresContext, frame);
|
||||
}
|
||||
else if (PR_TRUE == render) {
|
||||
ApplyRenderingChangeToTree(aPresContext, frame);
|
||||
}
|
||||
else { // let the frame deal with it, since we don't know how to
|
||||
frame->AttributeChanged(aPresContext, aContent, aAttribute, aHint);
|
||||
}
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
void HTMLStyleSheetImpl::List(FILE* out, PRInt32 aIndent) const
|
||||
{
|
||||
nsAutoString buffer;
|
||||
|
|
|
|||
|
|
@ -242,29 +242,33 @@ public:
|
|||
nsIFrame*& aFrameSubTree);
|
||||
|
||||
NS_IMETHOD ContentAppended(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
PRInt32 aNewIndexInContainer);
|
||||
|
||||
NS_IMETHOD ContentInserted(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer);
|
||||
|
||||
NS_IMETHOD ContentReplaced(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aOldChild,
|
||||
nsIContent* aNewChild,
|
||||
PRInt32 aIndexInContainer);
|
||||
|
||||
NS_IMETHOD ContentRemoved(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer);
|
||||
|
||||
NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsISupports* aSubContent);
|
||||
NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsIAtom* aAttribute,
|
||||
PRInt32 aHint);
|
||||
|
||||
// XXX style rule enumerations
|
||||
|
||||
virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) const;
|
||||
|
|
@ -1378,7 +1382,6 @@ HTMLStyleSheetImpl::ConstructFrame(nsIPresContext* aPresContext,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
PRInt32 aNewIndexInContainer)
|
||||
{
|
||||
|
|
@ -1414,14 +1417,16 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
|
|||
aContainer->ChildAt(i, child);
|
||||
ConstructFrame(aPresContext, child, parentFrame, frame);
|
||||
|
||||
// Link the frame into the child frame list
|
||||
if (nsnull == lastChildFrame) {
|
||||
firstAppendedFrame = frame;
|
||||
} else {
|
||||
lastChildFrame->SetNextSibling(frame);
|
||||
}
|
||||
if (nsnull != frame) {
|
||||
// Link the frame into the child frame list
|
||||
if (nsnull == lastChildFrame) {
|
||||
firstAppendedFrame = frame;
|
||||
} else {
|
||||
lastChildFrame->SetNextSibling(frame);
|
||||
}
|
||||
|
||||
lastChildFrame = frame;
|
||||
lastChildFrame = frame;
|
||||
}
|
||||
NS_RELEASE(child);
|
||||
}
|
||||
|
||||
|
|
@ -1511,7 +1516,6 @@ FindNextSibling(nsIPresShell* aPresShell,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer)
|
||||
|
|
@ -1580,7 +1584,6 @@ HTMLStyleSheetImpl::ContentInserted(nsIPresContext* aPresContext,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aOldChild,
|
||||
nsIContent* aNewChild,
|
||||
|
|
@ -1592,7 +1595,6 @@ HTMLStyleSheetImpl::ContentReplaced(nsIPresContext* aPresContext,
|
|||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
|
||||
nsIDocument* aDocument,
|
||||
nsIContent* aContainer,
|
||||
nsIContent* aChild,
|
||||
PRInt32 aIndexInContainer)
|
||||
|
|
@ -1626,6 +1628,260 @@ HTMLStyleSheetImpl::ContentRemoved(nsIPresContext* aPresContext,
|
|||
return rv;
|
||||
}
|
||||
|
||||
static void
|
||||
RemapStyleInTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIStyleContext* sc;
|
||||
aFrame->GetStyleContext(nsnull, sc);
|
||||
if (nsnull != sc) {
|
||||
sc->RemapStyle(aPresContext);
|
||||
|
||||
// Update the children too...
|
||||
nsIFrame* kid;
|
||||
aFrame->FirstChild(kid);
|
||||
while (nsnull != kid) {
|
||||
RemapStyleInTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ApplyStyleChangeToTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIContent* content;
|
||||
nsIFrame* geometricParent;
|
||||
aFrame->GetGeometricParent(geometricParent);
|
||||
aFrame->GetContent(content);
|
||||
|
||||
if (nsnull != content) {
|
||||
PRBool onlyRemap = PR_FALSE;
|
||||
nsIStyleContext* oldSC;
|
||||
aFrame->GetStyleContext(nsnull, oldSC);
|
||||
nsIStyleContext* newSC =
|
||||
aPresContext->ResolveStyleContextFor(content, geometricParent);
|
||||
if (newSC == oldSC) {
|
||||
// Force cached style data to be recomputed
|
||||
newSC->RemapStyle(aPresContext);
|
||||
onlyRemap = PR_TRUE;
|
||||
}
|
||||
else {
|
||||
// Switch to new style context
|
||||
aFrame->SetStyleContext(aPresContext, newSC);
|
||||
}
|
||||
NS_IF_RELEASE(oldSC);
|
||||
NS_RELEASE(newSC);
|
||||
NS_RELEASE(content);
|
||||
|
||||
// Update the children too...
|
||||
nsIFrame* kid;
|
||||
aFrame->FirstChild(kid);
|
||||
if (onlyRemap) {
|
||||
while (nsnull != kid) {
|
||||
RemapStyleInTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
else {
|
||||
while (nsnull != kid) {
|
||||
ApplyStyleChangeToTree(aPresContext, kid);
|
||||
kid->GetNextSibling(kid);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ApplyRenderingChangeToTree(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIViewManager* viewManager = nsnull;
|
||||
|
||||
// Trigger rendering updates by damaging this frame and any
|
||||
// continuations of this frame.
|
||||
while (nsnull != aFrame) {
|
||||
// Get the frame's bounding rect
|
||||
nsRect r;
|
||||
aFrame->GetRect(r);
|
||||
r.x = 0;
|
||||
r.y = 0;
|
||||
|
||||
// Get view if this frame has one and trigger an update. If the
|
||||
// frame doesn't have a view, find the nearest containing view
|
||||
// (adjusting r's coordinate system to reflect the nesting) and
|
||||
// update there.
|
||||
nsIView* view;
|
||||
aFrame->GetView(view);
|
||||
if (nsnull != view) {
|
||||
} else {
|
||||
nsPoint offset;
|
||||
aFrame->GetOffsetFromView(offset, view);
|
||||
NS_ASSERTION(nsnull != view, "no view");
|
||||
r += offset;
|
||||
}
|
||||
if (nsnull == viewManager) {
|
||||
view->GetViewManager(viewManager);
|
||||
}
|
||||
viewManager->UpdateView(view, r, NS_VMREFRESH_NO_SYNC);
|
||||
|
||||
aFrame->GetNextInFlow(aFrame);
|
||||
}
|
||||
|
||||
if (nsnull != viewManager) {
|
||||
viewManager->Composite();
|
||||
NS_RELEASE(viewManager);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
StyleChangeReflow(nsIPresContext* aPresContext,
|
||||
nsIFrame* aFrame)
|
||||
{
|
||||
nsIPresShell* shell;
|
||||
shell = aPresContext->GetShell();
|
||||
|
||||
nsIReflowCommand* reflowCmd;
|
||||
nsresult rv = NS_NewHTMLReflowCommand(&reflowCmd, aFrame,
|
||||
nsIReflowCommand::StyleChanged);
|
||||
if (NS_SUCCEEDED(rv)) {
|
||||
shell->AppendReflowCommand(reflowCmd);
|
||||
NS_RELEASE(reflowCmd);
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::ContentChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsISupports* aSubContent)
|
||||
{
|
||||
nsIPresShell* shell = aPresContext->GetShell();
|
||||
nsresult rv = NS_OK;
|
||||
|
||||
// Find the child frame
|
||||
nsIFrame* frame = shell->FindFrameWithContent(aContent);
|
||||
|
||||
// Notify the first frame that maps the content. It will generate a reflow
|
||||
// command
|
||||
|
||||
// It's possible the frame whose content changed isn't inserted into the
|
||||
// frame hierarchy yet, or that there is no frame that maps the content
|
||||
if (nsnull != frame) {
|
||||
#if 0
|
||||
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
||||
("nsHTMLStyleSheet::ContentChanged: content=%p[%s] subcontent=%p frame=%p",
|
||||
aContent, ContentTag(aContent, 0),
|
||||
aSubContent, frame));
|
||||
#endif
|
||||
frame->ContentChanged(aPresContext, aContent, aSubContent);
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
HTMLStyleSheetImpl::AttributeChanged(nsIPresContext* aPresContext,
|
||||
nsIContent* aContent,
|
||||
nsIAtom* aAttribute,
|
||||
PRInt32 aHint)
|
||||
{
|
||||
nsresult result = NS_OK;
|
||||
|
||||
nsIPresShell* shell = aPresContext->GetShell();
|
||||
nsIFrame* frame = shell->FindFrameWithContent(aContent);
|
||||
|
||||
if (nsnull != frame) {
|
||||
PRBool restyle = PR_FALSE;
|
||||
PRBool reflow = PR_FALSE;
|
||||
PRBool reframe = PR_FALSE;
|
||||
PRBool render = PR_FALSE;
|
||||
|
||||
#if 0
|
||||
NS_FRAME_LOG(NS_FRAME_TRACE_CALLS,
|
||||
("HTMLStyleSheet::AttributeChanged: content=%p[%s] frame=%p",
|
||||
aContent, ContentTag(aContent, 0), frame));
|
||||
#endif
|
||||
|
||||
nsIHTMLContent* htmlContent;
|
||||
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
||||
|
||||
if (NS_OK == result) {
|
||||
nsIAtom* tag;
|
||||
htmlContent->GetTag(tag);
|
||||
|
||||
// handle specific attributes by tag
|
||||
if (tag == nsHTMLAtoms::img) {
|
||||
if ((nsHTMLAtoms::width == aAttribute) ||
|
||||
(nsHTMLAtoms::height == aAttribute)) {
|
||||
restyle = PR_TRUE;
|
||||
reflow = PR_TRUE;
|
||||
}
|
||||
}
|
||||
else if (tag == nsHTMLAtoms::hr) {
|
||||
if (nsHTMLAtoms::noshade == aAttribute) {
|
||||
render = PR_TRUE;
|
||||
}
|
||||
}
|
||||
else {
|
||||
}
|
||||
|
||||
// handle general attributes
|
||||
if (nsHTMLAtoms::style == aAttribute) {
|
||||
switch (aHint) {
|
||||
default:
|
||||
case NS_STYLE_HINT_UNKNOWN:
|
||||
case NS_STYLE_HINT_FRAMECHANGE:
|
||||
reframe = PR_TRUE;
|
||||
case NS_STYLE_HINT_REFLOW:
|
||||
reflow = PR_TRUE;
|
||||
case NS_STYLE_HINT_VISUAL:
|
||||
render = PR_TRUE;
|
||||
case NS_STYLE_HINT_CONTENT:
|
||||
restyle = PR_TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (nsHTMLAtoms::color == aAttribute) {
|
||||
restyle = PR_TRUE;
|
||||
render = PR_TRUE;
|
||||
}
|
||||
else if (nsHTMLAtoms::face == aAttribute) {
|
||||
restyle = PR_TRUE;
|
||||
reflow = PR_TRUE;
|
||||
}
|
||||
|
||||
|
||||
NS_IF_RELEASE(tag);
|
||||
NS_RELEASE(htmlContent);
|
||||
}
|
||||
|
||||
// apply changes
|
||||
if (PR_TRUE == restyle) {
|
||||
ApplyStyleChangeToTree(aPresContext, frame);
|
||||
}
|
||||
if (PR_TRUE == reframe) {
|
||||
NS_NOTYETIMPLEMENTED("frame change reflow");
|
||||
}
|
||||
else if (PR_TRUE == reflow) {
|
||||
StyleChangeReflow(aPresContext, frame);
|
||||
}
|
||||
else if (PR_TRUE == render) {
|
||||
ApplyRenderingChangeToTree(aPresContext, frame);
|
||||
}
|
||||
else { // let the frame deal with it, since we don't know how to
|
||||
frame->AttributeChanged(aPresContext, aContent, aAttribute, aHint);
|
||||
}
|
||||
}
|
||||
|
||||
NS_RELEASE(shell);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
void HTMLStyleSheetImpl::List(FILE* out, PRInt32 aIndent) const
|
||||
{
|
||||
nsAutoString buffer;
|
||||
|
|
|
|||
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