зеркало из https://github.com/mozilla/pjs.git
Maded DetermineFrameType a callable static method; removed gratuitous line-height calculations
This commit is contained in:
kipp%netscape.com
Родитель
8c14c6224a
Коммит
712958e437
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@ -83,23 +83,17 @@ nsHTMLReflowState::GetContainingBlockContentWidth(const nsReflowState* aParentRS
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return width;
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}
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// XXX there is no CLEAN way to detect the "replaced" attribute (yet)
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void
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nsHTMLReflowState::DetermineFrameType(nsIPresContext& aPresContext)
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nsCSSFrameType
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nsHTMLReflowState::DetermineFrameType(nsIFrame* aFrame)
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{
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nsIAtom* tag = nsnull;
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nsIContent* content;
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if (NS_SUCCEEDED(frame->GetContent(&content)) && (nsnull != content)) {
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content->GetTag(tag);
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NS_RELEASE(content);
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}
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nsCSSFrameType frameType;
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// Section 9.7 indicates that absolute position takes precedence
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// over float which takes precedence over display.
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// Section 9.7 of the CSS2 spec indicates that absolute position
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// takes precedence over float which takes precedence over display.
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const nsStyleDisplay* display;
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frame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display);
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aFrame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display);
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const nsStylePosition* pos;
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frame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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aFrame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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if (pos->IsAbsolutelyPositioned()) {
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frameType = NS_CSS_FRAME_TYPE_ABSOLUTE;
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}
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@ -146,11 +140,12 @@ nsHTMLReflowState::DetermineFrameType(nsIPresContext& aPresContext)
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// See if the frame is replaced
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nsFrameState frameState;
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frame->GetFrameState(&frameState);
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aFrame->GetFrameState(&frameState);
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if (frameState & NS_FRAME_REPLACED_ELEMENT) {
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frameType = NS_FRAME_REPLACED(frameType);
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}
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NS_IF_RELEASE(tag);
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return frameType;
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}
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// Helper function that re-calculates the left and right margin based on
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@ -601,6 +596,9 @@ nsHTMLReflowState::InitAbsoluteConstraints(nsIPresContext& aPresContext,
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}
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}
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// XXX refactor this code to have methods for each set of properties
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// we are computing: width,height,line-height; margin; offsets
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void
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nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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{
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@ -616,6 +614,7 @@ nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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computedMargin.SizeTo(0, 0, 0, 0);
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computedOffsets.SizeTo(0, 0, 0, 0);
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// XXX what about other properties...
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} else {
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// Get the containing block reflow state
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const nsHTMLReflowState* cbrs =
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@ -632,23 +631,11 @@ nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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// Compute margins from the specified margin style information. These
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// become the default computed values, and may be adjusted below
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// XXX fix to provide 0,0 for the top&bottom marings for
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// inline-non-replaced elements
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ComputeMarginFor(frame, parentReflowState, computedMargin);
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// Calculate the line height.
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// XXX Do we need to do this for all elements or just inline non-replaced
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// elements?
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mLineHeight = CalcLineHeight(aPresContext, frame);
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// See if it's an inline non-replaced element
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if (NS_CSS_FRAME_TYPE_INLINE == frameType) {
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// 'width' property doesn't apply to inline non-replaced elements. The
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// 'height' is given by the element's 'line-height' value
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if (mLineHeight >= 0) {
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computedHeight = mLineHeight;
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}
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return; // nothing else to compute
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}
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// Get the containing block width and height. We'll need them when
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// calculating the computed width and height. For all elements other
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// than absolutely positioned elements, the containing block is formed
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@ -83,23 +83,17 @@ nsHTMLReflowState::GetContainingBlockContentWidth(const nsReflowState* aParentRS
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return width;
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}
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// XXX there is no CLEAN way to detect the "replaced" attribute (yet)
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void
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nsHTMLReflowState::DetermineFrameType(nsIPresContext& aPresContext)
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nsCSSFrameType
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nsHTMLReflowState::DetermineFrameType(nsIFrame* aFrame)
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{
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nsIAtom* tag = nsnull;
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nsIContent* content;
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if (NS_SUCCEEDED(frame->GetContent(&content)) && (nsnull != content)) {
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content->GetTag(tag);
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NS_RELEASE(content);
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}
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nsCSSFrameType frameType;
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// Section 9.7 indicates that absolute position takes precedence
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// over float which takes precedence over display.
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// Section 9.7 of the CSS2 spec indicates that absolute position
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// takes precedence over float which takes precedence over display.
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const nsStyleDisplay* display;
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frame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display);
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aFrame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display);
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const nsStylePosition* pos;
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frame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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aFrame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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if (pos->IsAbsolutelyPositioned()) {
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frameType = NS_CSS_FRAME_TYPE_ABSOLUTE;
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}
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@ -146,11 +140,12 @@ nsHTMLReflowState::DetermineFrameType(nsIPresContext& aPresContext)
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// See if the frame is replaced
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nsFrameState frameState;
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frame->GetFrameState(&frameState);
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aFrame->GetFrameState(&frameState);
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if (frameState & NS_FRAME_REPLACED_ELEMENT) {
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frameType = NS_FRAME_REPLACED(frameType);
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}
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NS_IF_RELEASE(tag);
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return frameType;
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}
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// Helper function that re-calculates the left and right margin based on
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@ -601,6 +596,9 @@ nsHTMLReflowState::InitAbsoluteConstraints(nsIPresContext& aPresContext,
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}
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}
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// XXX refactor this code to have methods for each set of properties
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// we are computing: width,height,line-height; margin; offsets
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void
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nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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{
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@ -616,6 +614,7 @@ nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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computedMargin.SizeTo(0, 0, 0, 0);
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computedOffsets.SizeTo(0, 0, 0, 0);
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// XXX what about other properties...
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} else {
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// Get the containing block reflow state
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const nsHTMLReflowState* cbrs =
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@ -632,23 +631,11 @@ nsHTMLReflowState::InitConstraints(nsIPresContext& aPresContext)
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// Compute margins from the specified margin style information. These
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// become the default computed values, and may be adjusted below
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// XXX fix to provide 0,0 for the top&bottom marings for
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// inline-non-replaced elements
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ComputeMarginFor(frame, parentReflowState, computedMargin);
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// Calculate the line height.
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// XXX Do we need to do this for all elements or just inline non-replaced
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// elements?
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mLineHeight = CalcLineHeight(aPresContext, frame);
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// See if it's an inline non-replaced element
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if (NS_CSS_FRAME_TYPE_INLINE == frameType) {
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// 'width' property doesn't apply to inline non-replaced elements. The
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// 'height' is given by the element's 'line-height' value
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if (mLineHeight >= 0) {
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computedHeight = mLineHeight;
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}
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return; // nothing else to compute
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}
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// Get the containing block width and height. We'll need them when
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// calculating the computed width and height. For all elements other
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// than absolutely positioned elements, the containing block is formed
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