mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

Added unconstrainted reflow optimizations 

r=kmcclusk,dcone bug=12653
This commit is contained in:
rods%netscape.com 2000-01-09 01:52:17 +00:00
Родитель 2618ed4aaf
Коммит a5b48b3896
4 изменённых файлов: 120 добавлений и 152 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

132
layout/forms/nsComboboxControlFrame.cpp
Просмотреть файл

@ -669,44 +669,17 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
}
#endif
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
if (aReflowState.reason == eReflowReason_Resize) {
if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth &&
NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
if (mCacheSize.width > -1 && mCacheSize.height > -1) {
aDesiredSize.width = mCacheSize.width;
aDesiredSize.height = mCacheSize.height;
if (aDesiredSize.maxElementSize != nsnull) {
aDesiredSize.maxElementSize->width = mCachedMaxElementSize.width;
aDesiredSize.maxElementSize->height = mCachedMaxElementSize.height;
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
} else {
if (mCacheSize.width == aReflowState.mComputedWidth &&
mCacheSize.height == aReflowState.mComputedHeight) {
if (aDesiredSize.maxElementSize != nsnull) {
aDesiredSize.maxElementSize->width = mCachedMaxElementSize.width;
aDesiredSize.maxElementSize->height = mCachedMaxElementSize.height;
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
}
#if 1
nsresult skiprv = nsFormControlFrame::SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext,
aDesiredSize, aReflowState, aStatus);
if (NS_SUCCEEDED(skiprv)) {
return skiprv;
}
#endif
nsresult rv = NS_OK;
nsIFrame* buttonFrame = GetButtonFrame(aPresContext);
nsIFrame* displayFrame = GetDisplayFrame(aPresContext);
nsIFrame* buttonFrame = GetButtonFrame(aPresContext);
nsIFrame* displayFrame = GetDisplayFrame(aPresContext);
nsIFrame* dropdownFrame = GetDropdownFrame();
// Don't try to do any special sizing and positioning unless all of the frames
@ -759,11 +732,6 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
displayFrame->GetRect(displayRect);
buttonFrame->GetRect(buttonRect);
if ((oldDisplayRect == displayRect) && (oldButtonRect == buttonRect)) {
// Reposition the popup.
//nsRect absoluteTwips;
//nsRect absolutePixels;
//GetAbsoluteFramePosition(aPresContext, displayFrame, absoluteTwips, absolutePixels);
//PositionDropdown(aPresContext, displayRect.height, absoluteTwips, absolutePixels);
aStatus = NS_FRAME_COMPLETE;
return rv;
}
@ -774,6 +742,18 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
firstPassState.reflowCommand = nsnull;
}
// the default size of the of scrollbar
// that will be the default width of the dropdown button
// the height will be the height of the text
nscoord scrollbarWidth = -1;
nsCOMPtr<nsIDeviceContext> dx;
aPresContext->GetDeviceContext(getter_AddRefs(dx));
if (dx) {
float sbWidth;
float sbHeight;
dx->GetScrollBarDimensions(sbWidth, sbHeight);
scrollbarWidth = (nscoord)sbWidth;
}
//Set the desired size for the button and display frame
if (NS_UNCONSTRAINEDSIZE == firstPassState.mComputedWidth) {
@ -796,28 +776,35 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
mListControlFrame->GetNumberOfOptions(&length);
dropdownFrame->GetRect(dropdownRect);
const nsStyleSpacing* dropSpacing;
dropdownFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)dropSpacing);
nsMargin dropBorderPadding;
dropBorderPadding.SizeTo(0, 0, 0, 0);
dropSpacing->CalcBorderPaddingFor(dropdownFrame, dropBorderPadding);
dropdownRect.width -= (dropBorderPadding.left + dropBorderPadding.right);
// Get maximum size and height of a option in the dropdown
mListControlFrame->GetMaximumSize(size);
// Set width of display to match width of the drop down
SetChildFrameSize(displayFrame, dropdownRect.width, size.height);
if (scrollbarWidth > 0) {
size.width = scrollbarWidth;
}
const nsStyleSpacing* dspSpacing;
displayFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)dspSpacing);
nsMargin dspBorderPadding;
dspBorderPadding.SizeTo(0, 0, 0, 0);
dspSpacing->CalcBorderPaddingFor(displayFrame, dspBorderPadding);
// Set width of display to match width of the drop down
SetChildFrameSize(displayFrame, dropdownRect.width-size.width+dspBorderPadding.left+dspBorderPadding.right,
size.height+dspBorderPadding.top+dspBorderPadding.bottom);
// the default size of the of scrollbar
// that will be the default width of the dropdown button
// the height will be the height of the text
nsCOMPtr<nsIDeviceContext> dx;
aPresContext->GetDeviceContext(getter_AddRefs(dx));
if (dx) {
float sbWidth;
float sbHeight;
dx->GetScrollBarDimensions(sbWidth, sbHeight);
size.width = (nscoord)sbWidth;
}
// Size the button
SetChildFrameSize(buttonFrame, size.width, size.height);
// Reflow display + button
nsAreaFrame::Reflow(aPresContext, aDesiredSize, firstPassState, aStatus);
displayFrame->GetRect(displayRect);
buttonFrame->GetRect(buttonRect);
buttonRect.y = displayRect.y;
@ -831,6 +818,7 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
if (maxElementSize) {
delete maxElementSize;
}
} else {
// A width has been specified for the select.
// Make the display frame's width + button frame width = the width specified.
@ -840,30 +828,37 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
nsSize size;
mListControlFrame->GetMaximumSize(size);
// Size the button to be the same height as the displayFrame
SetChildFrameSize(buttonFrame, size.height, size.height);
if (scrollbarWidth > 0) {
size.width = scrollbarWidth;
}
// Size the button to be the same as the scrollbar width
SetChildFrameSize(buttonFrame, size.width, size.height);
// Compute display width
// Since the button's width is the same as its height
// we subtract size.height (the width)
nscoord displayWidth = firstPassState.mComputedWidth - size.height;
nscoord displayWidth = firstPassState.mComputedWidth - size.width;
// nsAreaFrame::Reflow adds in the border and padding so we need to remove it
displayWidth -= borderPadding.left + borderPadding.right;
//displayWidth -= borderPadding.left + borderPadding.right;
// Set the displayFrame to match the displayWidth computed above
// Set the displayFrame to match the displayWidth computed above
SetChildFrameSize(displayFrame, displayWidth, size.height);
// Reflow again with the width of the display frame set.
// Reflow again with the width of the display frame set.
nsAreaFrame::Reflow(aPresContext, aDesiredSize, firstPassState, aStatus);
// nsAreaFrame::Reflow adds in the border and padding so we need to remove it
// XXX rods - this hould not be subtracted in
//aDesiredSize.width -= borderPadding.left + borderPadding.right;
//aDesiredSize.width += borderPadding.left + borderPadding.right;
// Reflow the dropdown list to match the width of the display + button
ReflowComboChildFrame(dropdownFrame, aPresContext, dropdownDesiredSize, firstPassState, aStatus, aDesiredSize.width, NS_UNCONSTRAINEDSIZE);
}
// Set the max element size to be the same as the desired element size.
if (nsnull != aDesiredSize.maxElementSize) {
aDesiredSize.maxElementSize->width = aDesiredSize.width;
aDesiredSize.maxElementSize->height = aDesiredSize.height;
}
nsRect absoluteTwips;
nsRect absolutePixels;
GetAbsoluteFramePosition(aPresContext, this, absoluteTwips, absolutePixels);
@ -871,19 +866,10 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
aStatus = NS_FRAME_COMPLETE;
#if 0
COMPARE_QUIRK_SIZE("nsComboboxControlFrame", 56, 22)
#endif
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
mCacheSize.width = aDesiredSize.width;
mCacheSize.height = aDesiredSize.height;
if (aDesiredSize.maxElementSize != nsnull) {
mCachedMaxElementSize.width = aDesiredSize.maxElementSize->width;
mCachedMaxElementSize.height = aDesiredSize.maxElementSize->height;
}
COMPARE_QUIRK_SIZE("nsComboboxControlFrame", 127, 22)
#endif
nsFormControlFrame::SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
return rv;
}

4
layout/forms/nsComboboxControlFrame.h
Просмотреть файл

@ -211,11 +211,9 @@ protected:
nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame
PRBool mIgnoreFocus; // Tells the combo to ignore all focus notifications
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
// Resize Reflow Optimization
nsSize mCacheSize;
nsSize mCachedMaxElementSize;
#endif
private:
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }

132
layout/html/forms/src/nsComboboxControlFrame.cpp
Просмотреть файл

@ -669,44 +669,17 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
}
#endif
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
if (aReflowState.reason == eReflowReason_Resize) {
if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth &&
NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
if (mCacheSize.width > -1 && mCacheSize.height > -1) {
aDesiredSize.width = mCacheSize.width;
aDesiredSize.height = mCacheSize.height;
if (aDesiredSize.maxElementSize != nsnull) {
aDesiredSize.maxElementSize->width = mCachedMaxElementSize.width;
aDesiredSize.maxElementSize->height = mCachedMaxElementSize.height;
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
} else {
if (mCacheSize.width == aReflowState.mComputedWidth &&
mCacheSize.height == aReflowState.mComputedHeight) {
if (aDesiredSize.maxElementSize != nsnull) {
aDesiredSize.maxElementSize->width = mCachedMaxElementSize.width;
aDesiredSize.maxElementSize->height = mCachedMaxElementSize.height;
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
}
#if 1
nsresult skiprv = nsFormControlFrame::SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext,
aDesiredSize, aReflowState, aStatus);
if (NS_SUCCEEDED(skiprv)) {
return skiprv;
}
#endif
nsresult rv = NS_OK;
nsIFrame* buttonFrame = GetButtonFrame(aPresContext);
nsIFrame* displayFrame = GetDisplayFrame(aPresContext);
nsIFrame* buttonFrame = GetButtonFrame(aPresContext);
nsIFrame* displayFrame = GetDisplayFrame(aPresContext);
nsIFrame* dropdownFrame = GetDropdownFrame();
// Don't try to do any special sizing and positioning unless all of the frames
@ -759,11 +732,6 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
displayFrame->GetRect(displayRect);
buttonFrame->GetRect(buttonRect);
if ((oldDisplayRect == displayRect) && (oldButtonRect == buttonRect)) {
// Reposition the popup.
//nsRect absoluteTwips;
//nsRect absolutePixels;
//GetAbsoluteFramePosition(aPresContext, displayFrame, absoluteTwips, absolutePixels);
//PositionDropdown(aPresContext, displayRect.height, absoluteTwips, absolutePixels);
aStatus = NS_FRAME_COMPLETE;
return rv;
}
@ -774,6 +742,18 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
firstPassState.reflowCommand = nsnull;
}
// the default size of the of scrollbar
// that will be the default width of the dropdown button
// the height will be the height of the text
nscoord scrollbarWidth = -1;
nsCOMPtr<nsIDeviceContext> dx;
aPresContext->GetDeviceContext(getter_AddRefs(dx));
if (dx) {
float sbWidth;
float sbHeight;
dx->GetScrollBarDimensions(sbWidth, sbHeight);
scrollbarWidth = (nscoord)sbWidth;
}
//Set the desired size for the button and display frame
if (NS_UNCONSTRAINEDSIZE == firstPassState.mComputedWidth) {
@ -796,28 +776,35 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
mListControlFrame->GetNumberOfOptions(&length);
dropdownFrame->GetRect(dropdownRect);
const nsStyleSpacing* dropSpacing;
dropdownFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)dropSpacing);
nsMargin dropBorderPadding;
dropBorderPadding.SizeTo(0, 0, 0, 0);
dropSpacing->CalcBorderPaddingFor(dropdownFrame, dropBorderPadding);
dropdownRect.width -= (dropBorderPadding.left + dropBorderPadding.right);
// Get maximum size and height of a option in the dropdown
mListControlFrame->GetMaximumSize(size);
// Set width of display to match width of the drop down
SetChildFrameSize(displayFrame, dropdownRect.width, size.height);
if (scrollbarWidth > 0) {
size.width = scrollbarWidth;
}
const nsStyleSpacing* dspSpacing;
displayFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)dspSpacing);
nsMargin dspBorderPadding;
dspBorderPadding.SizeTo(0, 0, 0, 0);
dspSpacing->CalcBorderPaddingFor(displayFrame, dspBorderPadding);
// Set width of display to match width of the drop down
SetChildFrameSize(displayFrame, dropdownRect.width-size.width+dspBorderPadding.left+dspBorderPadding.right,
size.height+dspBorderPadding.top+dspBorderPadding.bottom);
// the default size of the of scrollbar
// that will be the default width of the dropdown button
// the height will be the height of the text
nsCOMPtr<nsIDeviceContext> dx;
aPresContext->GetDeviceContext(getter_AddRefs(dx));
if (dx) {
float sbWidth;
float sbHeight;
dx->GetScrollBarDimensions(sbWidth, sbHeight);
size.width = (nscoord)sbWidth;
}
// Size the button
SetChildFrameSize(buttonFrame, size.width, size.height);
// Reflow display + button
nsAreaFrame::Reflow(aPresContext, aDesiredSize, firstPassState, aStatus);
displayFrame->GetRect(displayRect);
buttonFrame->GetRect(buttonRect);
buttonRect.y = displayRect.y;
@ -831,6 +818,7 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
if (maxElementSize) {
delete maxElementSize;
}
} else {
// A width has been specified for the select.
// Make the display frame's width + button frame width = the width specified.
@ -840,30 +828,37 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
nsSize size;
mListControlFrame->GetMaximumSize(size);
// Size the button to be the same height as the displayFrame
SetChildFrameSize(buttonFrame, size.height, size.height);
if (scrollbarWidth > 0) {
size.width = scrollbarWidth;
}
// Size the button to be the same as the scrollbar width
SetChildFrameSize(buttonFrame, size.width, size.height);
// Compute display width
// Since the button's width is the same as its height
// we subtract size.height (the width)
nscoord displayWidth = firstPassState.mComputedWidth - size.height;
nscoord displayWidth = firstPassState.mComputedWidth - size.width;
// nsAreaFrame::Reflow adds in the border and padding so we need to remove it
displayWidth -= borderPadding.left + borderPadding.right;
//displayWidth -= borderPadding.left + borderPadding.right;
// Set the displayFrame to match the displayWidth computed above
// Set the displayFrame to match the displayWidth computed above
SetChildFrameSize(displayFrame, displayWidth, size.height);
// Reflow again with the width of the display frame set.
// Reflow again with the width of the display frame set.
nsAreaFrame::Reflow(aPresContext, aDesiredSize, firstPassState, aStatus);
// nsAreaFrame::Reflow adds in the border and padding so we need to remove it
// XXX rods - this hould not be subtracted in
//aDesiredSize.width -= borderPadding.left + borderPadding.right;
//aDesiredSize.width += borderPadding.left + borderPadding.right;
// Reflow the dropdown list to match the width of the display + button
ReflowComboChildFrame(dropdownFrame, aPresContext, dropdownDesiredSize, firstPassState, aStatus, aDesiredSize.width, NS_UNCONSTRAINEDSIZE);
}
// Set the max element size to be the same as the desired element size.
if (nsnull != aDesiredSize.maxElementSize) {
aDesiredSize.maxElementSize->width = aDesiredSize.width;
aDesiredSize.maxElementSize->height = aDesiredSize.height;
}
nsRect absoluteTwips;
nsRect absolutePixels;
GetAbsoluteFramePosition(aPresContext, this, absoluteTwips, absolutePixels);
@ -871,19 +866,10 @@ nsComboboxControlFrame::Reflow(nsIPresContext* aPresContext,
aStatus = NS_FRAME_COMPLETE;
#if 0
COMPARE_QUIRK_SIZE("nsComboboxControlFrame", 56, 22)
#endif
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
mCacheSize.width = aDesiredSize.width;
mCacheSize.height = aDesiredSize.height;
if (aDesiredSize.maxElementSize != nsnull) {
mCachedMaxElementSize.width = aDesiredSize.maxElementSize->width;
mCachedMaxElementSize.height = aDesiredSize.maxElementSize->height;
}
COMPARE_QUIRK_SIZE("nsComboboxControlFrame", 127, 22)
#endif
nsFormControlFrame::SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
return rv;
}

4
layout/html/forms/src/nsComboboxControlFrame.h
Просмотреть файл

@ -211,11 +211,9 @@ protected:
nsIListControlFrame * mListControlFrame; // ListControl Interface for the dropdown frame
PRBool mIgnoreFocus; // Tells the combo to ignore all focus notifications
// XXX Temporary Fix for too many resize reflows
#ifdef OPTIMIZE_RESIZE_RELOW
// Resize Reflow Optimization
nsSize mCacheSize;
nsSize mCachedMaxElementSize;
#endif
private:
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }