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gecko-dev
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Work-in-progress for hash table that maps from content->frame

This commit is contained in:
troy%netscape.com 1999-07-01 14:34:35 +00:00
Родитель 7904f484a3
Коммит 39b276f602
2 изменённых файлов: 102 добавлений и 2 удалений
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52
layout/base/nsCSSFrameConstructor.cpp
Просмотреть файл

@ -1906,6 +1906,8 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
(const nsStyleDisplay*)styleContext->GetStyleData(eStyleStruct_Display);
PRBool docElemIsTable = IsTableRelated(display->mDisplay);
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
// See if we're paginated
PRBool isPaginated;
@ -1914,6 +1916,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
if (docElemIsTable) {
nsIFrame* tableFrame;
ConstructDocElementTableFrame(aPresContext, aDocElement, aParentFrame, tableFrame);
presShell->SetPrimaryFrameFor(aDocElement, tableFrame); // add mapping from content->frame
mInitialContainingBlock = tableFrame;
aNewFrame = tableFrame;
return NS_OK;
@ -1923,6 +1926,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
nsIFrame* areaFrame;
NS_NewAreaFrame(&areaFrame);
areaFrame->Init(*aPresContext, aDocElement, aParentFrame, styleContext, nsnull);
presShell->SetPrimaryFrameFor(aDocElement, areaFrame); // add mapping from content->frame
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, areaFrame,
styleContext, PR_FALSE);
@ -1980,6 +1984,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
if (docElemIsTable) {
nsIFrame* tableFrame;
ConstructDocElementTableFrame(aPresContext, aDocElement, parFrame, tableFrame);
presShell->SetPrimaryFrameFor(aDocElement, tableFrame); // add mapping from content->frame
mInitialContainingBlock = tableFrame;
aNewFrame = tableFrame;
return NS_OK;
@ -1991,6 +1996,9 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
// flag that says that this is the body...
NS_NewDocumentElementFrame(&areaFrame);
areaFrame->Init(*aPresContext, aDocElement, parFrame, styleContext, nsnull);
// Add a mapping from content object to frame. The primary frame is the scroll
// frame, because it contains the area frame
presShell->SetPrimaryFrameFor(aDocElement, scrollFrame ? scrollFrame : areaFrame);
if (scrollFrame) {
// If the document element is scrollable, then it needs a view. Otherwise,
@ -2535,10 +2543,15 @@ nsCSSFrameConstructor::ConstructFrameByTag(nsIPresContext* aPresContext
PRBool frameHasBeenInitialized = PR_FALSE;
nsIFrame* newFrame = nsnull; // the frame we construct
PRBool isReplaced = PR_FALSE;
PRBool addToHashTable = PR_TRUE;
nsresult rv = NS_OK;
if (nsLayoutAtoms::textTagName == aTag) {
rv = NS_NewTextFrame(&newFrame);
// Text frames never go in the content->frame hash table, because
// they're anonymous. This keeps the hash table smaller. See
// FindPrimaryFrameFor()
addToHashTable = PR_FALSE;
isReplaced = PR_TRUE; // XXX kipp: temporary
}
else {
@ -2727,10 +2740,22 @@ nsCSSFrameConstructor::ConstructFrameByTag(nsIPresContext* aPresContext
// Add the placeholder frame to the flow
aFrameItems.AddChild(placeholderFrame);
} else {
// Add the newly constructed frame to the flow
aFrameItems.AddChild(newFrame);
}
if (addToHashTable) {
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
}
return rv;
@ -3137,7 +3162,7 @@ nsCSSFrameConstructor::ConstructXULFrame(nsIPresContext* aPresContext,
// Set the frame's initial child list
newFrame->SetInitialChildList(*aPresContext, nsnull, childItems.childList);
// If the frame is absolutely positioned then create a placeholder frame
// If the frame is absolutely positioned, then create a placeholder frame
if (isAbsolutelyPositioned || isFixedPositioned) {
nsIFrame* placeholderFrame;
@ -3154,6 +3179,15 @@ nsCSSFrameConstructor::ConstructXULFrame(nsIPresContext* aPresContext,
// Add the placeholder frame to the flow
aFrameItems.AddChild(placeholderFrame);
}
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
return rv;
@ -3607,6 +3641,17 @@ nsCSSFrameConstructor::ConstructFrameByDisplayType(nsIPresContext* aPre
aFrameItems.AddChild(newFrame);
}
if (newFrame) {
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
return rv;
}
@ -3801,6 +3846,11 @@ nsCSSFrameConstructor::ReconstructDocElementHierarchy(nsIPresContext* aPresConte
// Get the frame that corresponds to the document element
shell->GetPrimaryFrameFor(rootContent, &docElementFrame);
// Clear the hash tables that map from content to frame and out-of-flow
// frame to placeholder frame
shell->ClearPrimaryFrameMap();
shell->ClearPlaceholderFrameMap();
if (nsnull != docElementFrame) {
nsIFrame* docParentFrame;
docElementFrame->GetParent(&docParentFrame);

52
layout/html/style/src/nsCSSFrameConstructor.cpp
Просмотреть файл

@ -1906,6 +1906,8 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
(const nsStyleDisplay*)styleContext->GetStyleData(eStyleStruct_Display);
PRBool docElemIsTable = IsTableRelated(display->mDisplay);
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
// See if we're paginated
PRBool isPaginated;
@ -1914,6 +1916,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
if (docElemIsTable) {
nsIFrame* tableFrame;
ConstructDocElementTableFrame(aPresContext, aDocElement, aParentFrame, tableFrame);
presShell->SetPrimaryFrameFor(aDocElement, tableFrame); // add mapping from content->frame
mInitialContainingBlock = tableFrame;
aNewFrame = tableFrame;
return NS_OK;
@ -1923,6 +1926,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
nsIFrame* areaFrame;
NS_NewAreaFrame(&areaFrame);
areaFrame->Init(*aPresContext, aDocElement, aParentFrame, styleContext, nsnull);
presShell->SetPrimaryFrameFor(aDocElement, areaFrame); // add mapping from content->frame
nsHTMLContainerFrame::CreateViewForFrame(*aPresContext, areaFrame,
styleContext, PR_FALSE);
@ -1980,6 +1984,7 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
if (docElemIsTable) {
nsIFrame* tableFrame;
ConstructDocElementTableFrame(aPresContext, aDocElement, parFrame, tableFrame);
presShell->SetPrimaryFrameFor(aDocElement, tableFrame); // add mapping from content->frame
mInitialContainingBlock = tableFrame;
aNewFrame = tableFrame;
return NS_OK;
@ -1991,6 +1996,9 @@ nsCSSFrameConstructor::ConstructDocElementFrame(nsIPresContext* aPresCo
// flag that says that this is the body...
NS_NewDocumentElementFrame(&areaFrame);
areaFrame->Init(*aPresContext, aDocElement, parFrame, styleContext, nsnull);
// Add a mapping from content object to frame. The primary frame is the scroll
// frame, because it contains the area frame
presShell->SetPrimaryFrameFor(aDocElement, scrollFrame ? scrollFrame : areaFrame);
if (scrollFrame) {
// If the document element is scrollable, then it needs a view. Otherwise,
@ -2535,10 +2543,15 @@ nsCSSFrameConstructor::ConstructFrameByTag(nsIPresContext* aPresContext
PRBool frameHasBeenInitialized = PR_FALSE;
nsIFrame* newFrame = nsnull; // the frame we construct
PRBool isReplaced = PR_FALSE;
PRBool addToHashTable = PR_TRUE;
nsresult rv = NS_OK;
if (nsLayoutAtoms::textTagName == aTag) {
rv = NS_NewTextFrame(&newFrame);
// Text frames never go in the content->frame hash table, because
// they're anonymous. This keeps the hash table smaller. See
// FindPrimaryFrameFor()
addToHashTable = PR_FALSE;
isReplaced = PR_TRUE; // XXX kipp: temporary
}
else {
@ -2727,10 +2740,22 @@ nsCSSFrameConstructor::ConstructFrameByTag(nsIPresContext* aPresContext
// Add the placeholder frame to the flow
aFrameItems.AddChild(placeholderFrame);
} else {
// Add the newly constructed frame to the flow
aFrameItems.AddChild(newFrame);
}
if (addToHashTable) {
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
}
return rv;
@ -3137,7 +3162,7 @@ nsCSSFrameConstructor::ConstructXULFrame(nsIPresContext* aPresContext,
// Set the frame's initial child list
newFrame->SetInitialChildList(*aPresContext, nsnull, childItems.childList);
// If the frame is absolutely positioned then create a placeholder frame
// If the frame is absolutely positioned, then create a placeholder frame
if (isAbsolutelyPositioned || isFixedPositioned) {
nsIFrame* placeholderFrame;
@ -3154,6 +3179,15 @@ nsCSSFrameConstructor::ConstructXULFrame(nsIPresContext* aPresContext,
// Add the placeholder frame to the flow
aFrameItems.AddChild(placeholderFrame);
}
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
return rv;
@ -3607,6 +3641,17 @@ nsCSSFrameConstructor::ConstructFrameByDisplayType(nsIPresContext* aPre
aFrameItems.AddChild(newFrame);
}
if (newFrame) {
// Add a mapping from content object to primary frame. Note that for
// floated and positioned frames this is the out-of-flow frame and not
// the placeholder frame
nsIPresShell* presShell;
aPresContext->GetShell(&presShell);
presShell->SetPrimaryFrameFor(aContent, newFrame);
NS_RELEASE(presShell);
}
return rv;
}
@ -3801,6 +3846,11 @@ nsCSSFrameConstructor::ReconstructDocElementHierarchy(nsIPresContext* aPresConte
// Get the frame that corresponds to the document element
shell->GetPrimaryFrameFor(rootContent, &docElementFrame);
// Clear the hash tables that map from content to frame and out-of-flow
// frame to placeholder frame
shell->ClearPrimaryFrameMap();
shell->ClearPlaceholderFrameMap();
if (nsnull != docElementFrame) {
nsIFrame* docParentFrame;
docElementFrame->GetParent(&docParentFrame);