зеркало из https://github.com/mozilla/gecko-dev.git
Fixed the initialization of the scroll frame for list boxes, the parameters had been incorrectly changes for version 1.20
Add addtional safety code for dynamically adding items to list boxes when in native widget mode
This commit is contained in:
rods%netscape.com
Родитель
461e2800c5
Коммит
5599dcf675
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@ -49,6 +49,7 @@
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#include "nsLayoutAtoms.h"
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#include "nsIDOMHTMLSelectElement.h"
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#include "nsIComboboxControlFrame.h"
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#include "nsIListControlFrame.h"
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#include "nsIRadioControlFrame.h"
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#include "nsIListControlFrame.h"
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#include "nsIDOMCharacterData.h"
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@ -2982,8 +2983,7 @@ nsCSSFrameConstructor::ConstructSelectFrame(nsIPresContext* aPresContex
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NS_NewAreaFrame(&scrolledFrame, NS_BLOCK_SHRINK_WRAP);
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InitializeScrollFrame(aPresContext, aState, listFrame, scrolledFrame, aContent, aParentFrame,
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aStyleContext, aIsAbsolutelyPositioned, PR_TRUE, PR_FALSE,
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PR_TRUE);
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aStyleContext, PR_TRUE, aIsAbsolutelyPositioned, aIsFixedPositioned, PR_FALSE);
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aNewFrame = listFrame;
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@ -4629,8 +4629,9 @@ nsCSSFrameConstructor::GetFrameFor(nsIPresShell* aPresShell,
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// Check to see if the content is a select and
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// then if it has a drop down (thus making it a combobox)
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// The drop down is a ListControlFrame derived from a
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// nsScrollFrame then get the area frame and
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// that will be the parent
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// nsScrollFrame then get the area frame and that will be the parent
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// What is unclear here, is if any of this fails, should it return
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// the nsComboboxControlFrame or null?
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nsCOMPtr<nsIDOMHTMLSelectElement> selectElement;
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nsresult res = aContent->QueryInterface(nsCOMTypeInfo<nsIDOMHTMLSelectElement>::GetIID(),
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(void**)getter_AddRefs(selectElement));
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@ -4638,15 +4639,20 @@ nsCSSFrameConstructor::GetFrameFor(nsIPresShell* aPresShell,
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nsIComboboxControlFrame * comboboxFrame;
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res = frame->QueryInterface(nsCOMTypeInfo<nsIComboboxControlFrame>::GetIID(),
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(void**)&comboboxFrame);
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if (NS_SUCCEEDED(res) && comboboxFrame) {
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nsIFrame * listFrame;
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if (NS_SUCCEEDED(res) && comboboxFrame) {
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comboboxFrame->GetDropDown(&listFrame);
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if (nsnull != listFrame) {
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listFrame->FirstChild(nsnull, &frame);
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}
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} else {
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res = frame->QueryInterface(nsCOMTypeInfo<nsIListControlFrame>::GetIID(),
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(void**)&listFrame);
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if (NS_SUCCEEDED(res) && listFrame) {
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frame->FirstChild(nsnull, &frame);
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}
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}
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} else {
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// If the primary frame is a scroll frame, then get the scrolled frame.
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// That's the frame that gets the reflow command
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const nsStyleDisplay* display;
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@ -5438,9 +5444,15 @@ nsCSSFrameConstructor::ContentRemoved(nsIPresContext* aPresContext,
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if (NS_SUCCEEDED(result) && selectElement) {
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PRUint32 numOptions = 0;
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result = selectElement->GetLength(&numOptions);
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nsIFrame * selectFrame; // XXX temp needed only native controls
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shell->GetPrimaryFrameFor(aContainer, &selectFrame);// XXX temp needed only native controls
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// For "select" add the pseudo frame after the last item is deleted
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nsIFrame* parentFrame = nsnull;
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childFrame->GetParent(&parentFrame);
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if (parentFrame == selectFrame) { // XXX temp needed only native controls
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return NS_ERROR_FAILURE;
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}
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if (NS_SUCCEEDED(result) && shell && parentFrame && 1 == numOptions) {
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nsIStyleContext* styleContext = nsnull;
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@ -49,6 +49,7 @@
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#include "nsLayoutAtoms.h"
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#include "nsIDOMHTMLSelectElement.h"
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#include "nsIComboboxControlFrame.h"
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#include "nsIListControlFrame.h"
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#include "nsIRadioControlFrame.h"
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#include "nsIListControlFrame.h"
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#include "nsIDOMCharacterData.h"
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@ -2982,8 +2983,7 @@ nsCSSFrameConstructor::ConstructSelectFrame(nsIPresContext* aPresContex
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NS_NewAreaFrame(&scrolledFrame, NS_BLOCK_SHRINK_WRAP);
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InitializeScrollFrame(aPresContext, aState, listFrame, scrolledFrame, aContent, aParentFrame,
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aStyleContext, aIsAbsolutelyPositioned, PR_TRUE, PR_FALSE,
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PR_TRUE);
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aStyleContext, PR_TRUE, aIsAbsolutelyPositioned, aIsFixedPositioned, PR_FALSE);
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aNewFrame = listFrame;
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@ -4629,8 +4629,9 @@ nsCSSFrameConstructor::GetFrameFor(nsIPresShell* aPresShell,
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// Check to see if the content is a select and
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// then if it has a drop down (thus making it a combobox)
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// The drop down is a ListControlFrame derived from a
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// nsScrollFrame then get the area frame and
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// that will be the parent
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// nsScrollFrame then get the area frame and that will be the parent
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// What is unclear here, is if any of this fails, should it return
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// the nsComboboxControlFrame or null?
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nsCOMPtr<nsIDOMHTMLSelectElement> selectElement;
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nsresult res = aContent->QueryInterface(nsCOMTypeInfo<nsIDOMHTMLSelectElement>::GetIID(),
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(void**)getter_AddRefs(selectElement));
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@ -4638,15 +4639,20 @@ nsCSSFrameConstructor::GetFrameFor(nsIPresShell* aPresShell,
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nsIComboboxControlFrame * comboboxFrame;
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res = frame->QueryInterface(nsCOMTypeInfo<nsIComboboxControlFrame>::GetIID(),
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(void**)&comboboxFrame);
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if (NS_SUCCEEDED(res) && comboboxFrame) {
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nsIFrame * listFrame;
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if (NS_SUCCEEDED(res) && comboboxFrame) {
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comboboxFrame->GetDropDown(&listFrame);
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if (nsnull != listFrame) {
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listFrame->FirstChild(nsnull, &frame);
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}
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} else {
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res = frame->QueryInterface(nsCOMTypeInfo<nsIListControlFrame>::GetIID(),
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(void**)&listFrame);
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if (NS_SUCCEEDED(res) && listFrame) {
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frame->FirstChild(nsnull, &frame);
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}
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}
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} else {
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// If the primary frame is a scroll frame, then get the scrolled frame.
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// That's the frame that gets the reflow command
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const nsStyleDisplay* display;
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@ -5438,9 +5444,15 @@ nsCSSFrameConstructor::ContentRemoved(nsIPresContext* aPresContext,
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if (NS_SUCCEEDED(result) && selectElement) {
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PRUint32 numOptions = 0;
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result = selectElement->GetLength(&numOptions);
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nsIFrame * selectFrame; // XXX temp needed only native controls
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shell->GetPrimaryFrameFor(aContainer, &selectFrame);// XXX temp needed only native controls
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// For "select" add the pseudo frame after the last item is deleted
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nsIFrame* parentFrame = nsnull;
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childFrame->GetParent(&parentFrame);
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if (parentFrame == selectFrame) { // XXX temp needed only native controls
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return NS_ERROR_FAILURE;
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}
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if (NS_SUCCEEDED(result) && shell && parentFrame && 1 == numOptions) {
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nsIStyleContext* styleContext = nsnull;
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