diff options
Diffstat (limited to 'WebCore/accessibility')
| -rw-r--r-- | WebCore/accessibility/AXObjectCache.h | 1 | ||||
| -rw-r--r-- | WebCore/accessibility/AccessibilityRenderObject.cpp | 9 | ||||
| -rw-r--r-- | WebCore/accessibility/chromium/AXObjectCacheChromium.cpp | 29 |
3 files changed, 34 insertions, 5 deletions
diff --git a/WebCore/accessibility/AXObjectCache.h b/WebCore/accessibility/AXObjectCache.h index 6da6842..28a5917 100644 --- a/WebCore/accessibility/AXObjectCache.h +++ b/WebCore/accessibility/AXObjectCache.h @@ -107,6 +107,7 @@ public: enum AXNotification { AXActiveDescendantChanged, AXCheckedStateChanged, + AXChildrenChanged, AXFocusedUIElementChanged, AXLayoutComplete, AXLoadComplete, diff --git a/WebCore/accessibility/AccessibilityRenderObject.cpp b/WebCore/accessibility/AccessibilityRenderObject.cpp index 92c57c6..e292971 100644 --- a/WebCore/accessibility/AccessibilityRenderObject.cpp +++ b/WebCore/accessibility/AccessibilityRenderObject.cpp @@ -3239,6 +3239,8 @@ void AccessibilityRenderObject::childrenChanged() if (!m_renderer) return; + bool sentChildrenChanged = false; + // Go up the accessibility parent chain, but only if the element already exists. This method is // called during render layouts, minimal work should be done. // If AX elements are created now, they could interrogate the render tree while it's in a funky state. @@ -3248,6 +3250,13 @@ void AccessibilityRenderObject::childrenChanged() continue; AccessibilityRenderObject* axParent = static_cast<AccessibilityRenderObject*>(parent); + + // Send the children changed notification on the first accessibility render object ancestor. + if (!sentChildrenChanged) { + axObjectCache()->postNotification(axParent->renderer(), AXObjectCache::AXChildrenChanged, true); + sentChildrenChanged = true; + } + // Only do work if the children haven't been marked dirty. This has the effect of blocking // future live region change notifications until the AX tree has been accessed again. This // is a good performance win for all parties. diff --git a/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp b/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp index 4118c63..d906a91 100644 --- a/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp +++ b/WebCore/accessibility/chromium/AXObjectCacheChromium.cpp @@ -56,15 +56,34 @@ void AXObjectCache::attachWrapper(AccessibilityObject*) void AXObjectCache::postPlatformNotification(AccessibilityObject* obj, AXNotification notification) { - if (notification != AXCheckedStateChanged) - return; - if (!obj || !obj->document() || !obj->documentFrameView()) return; ChromeClientChromium* client = toChromeClientChromium(obj->documentFrameView()); - if (client) - client->didChangeAccessibilityObjectState(obj); + if (client) { + switch (notification) { + case AXCheckedStateChanged: + client->didChangeAccessibilityObjectState(obj); + break; + case AXChildrenChanged: + client->didChangeAccessibilityObjectChildren(obj); + break; + case AXActiveDescendantChanged: + case AXFocusedUIElementChanged: + case AXLayoutComplete: + case AXLiveRegionChanged: + case AXLoadComplete: + case AXMenuListValueChanged: + case AXRowCollapsed: + case AXRowCountChanged: + case AXRowExpanded: + case AXScrolledToAnchor: + case AXSelectedChildrenChanged: + case AXSelectedTextChanged: + case AXValueChanged: + break; + } + } } void AXObjectCache::handleFocusedUIElementChanged(RenderObject*, RenderObject*) |