зеркало из https://github.com/mozilla/gecko-dev.git
Bug 389851. Accessible value not working with ARIA progressbars and sliders. r=scott@bashautomation.com, a=dsicore
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26d8684fdc
Коммит
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@ -211,6 +211,7 @@ nsresult nsAccessible::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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nsIContent::ATTR_VALUE_NO_MATCH) {
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*aInstancePtr = static_cast<nsIAccessibleSelectable*>(this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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}
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}
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@ -219,6 +220,7 @@ nsresult nsAccessible::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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if (mRoleMapEntry && mRoleMapEntry->valueRule != eNoValue) {
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*aInstancePtr = static_cast<nsIAccessibleValue*>(this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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}
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@ -1770,6 +1770,18 @@ NS_IMETHODIMP nsDocAccessible::InvalidateCacheSubtree(nsIContent *aChild,
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}
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}
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if (!isShowing) {
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// Fire an event so the assistive technology knows the children have changed
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// This is only used by older MSAA clients. Newer ones should derive this
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// from SHOW and HIDE so that they don't fetch extra objects
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if (childAccessible) {
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nsCOMPtr<nsIAccessibleEvent> reorderEvent =
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new nsAccEvent(nsIAccessibleEvent::EVENT_REORDER, containerAccessible, nsnull, PR_TRUE);
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NS_ENSURE_TRUE(reorderEvent, NS_ERROR_OUT_OF_MEMORY);
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FireDelayedAccessibleEvent(reorderEvent, eCoalesceFromSameSubtree, isAsynch);
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}
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}
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return NS_OK;
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}
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