void CALLBACK WebKitVBufBackend_t::renderThread_winEventProcHook(HWINEVENTHOOK hookID, DWORD eventID, HWND hwnd, long objectID, long childID, DWORD threadID, DWORD time) {
switch (eventID) {
case EVENT_OBJECT_VALUECHANGE:
case EVENT_OBJECT_STATECHANGE:
break;
default:
return;
}
WebKitVBufBackend_t* backend = NULL;
for (VBufBackendSet_t::iterator it = runningBackends.begin(); it != runningBackends.end(); ++it) {
HWND rootWindow = (HWND)(*it)->rootDocHandle;
if (hwnd == rootWindow || IsChild(rootWindow, hwnd)) {
backend = static_cast<WebKitVBufBackend_t*>(*it);
break;
}
}
if (!backend)
return;
IAccessible* acc = IAccessibleFromIdentifier((int)hwnd, childID);
if (!acc)
return;
acc->Release();
map<IAccessible*, WebKitVBufStorage_controlFieldNode_t*>::const_iterator it;
if ((it = backend->accessiblesToNodes.find(acc)) == backend->accessiblesToNodes.end())
return;
backend->invalidateSubtree(it->second);
}
void CALLBACK WebKitVBufBackend_t::renderThread_winEventProcHook(HWINEVENTHOOK hookID, DWORD eventID, HWND hwnd, long objectID, long childID, DWORD threadID, DWORD time) {
switch (eventID) {
case EVENT_OBJECT_VALUECHANGE:
case EVENT_OBJECT_STATECHANGE:
case EVENT_OBJECT_REORDER:
break;
default:
return;
}
WebKitVBufBackend_t* backend = NULL;
for (VBufBackendSet_t::iterator it = runningBackends.begin(); it != runningBackends.end(); ++it) {
HWND rootWindow = (HWND)UlongToHandle((*it)->rootDocHandle);
if (hwnd == rootWindow || IsChild(rootWindow, hwnd)) {
backend = static_cast<WebKitVBufBackend_t*>(*it);
break;
}
}
if (!backend)
return;
int docHandle = HandleToUlong(hwnd);
// WebKit returns positive values for uniqueID, but fires events with negative ids.
// Therefore, flip the sign on childID.
VBufStorage_controlFieldNode_t* node = backend->getControlFieldNodeWithIdentifier(docHandle, -childID);
if (!node)
return;
backend->invalidateSubtree(node);
}