void WebProcessConnection::createPlugin(const PluginCreationParameters& creationParameters, PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply> reply)
{
PluginControllerProxy* pluginControllerProxy = m_pluginControllers.get(creationParameters.pluginInstanceID);
// The controller proxy for the plug-in we're being asked to create synchronously might already exist if it was requested asynchronously before.
if (pluginControllerProxy) {
// It might still be in the middle of initialization in which case we have to let that initialization complete and respond to this message later.
if (pluginControllerProxy->isInitializing()) {
pluginControllerProxy->setInitializationReply(reply);
return;
}
// If its initialization is complete then we need to respond to this message with the correct information about its creation.
#if PLATFORM(MAC)
reply->send(true, pluginControllerProxy->wantsWheelEvents(), pluginControllerProxy->remoteLayerClientID());
#else
reply->send(true, pluginControllerProxy->wantsWheelEvents(), 0);
#endif
return;
}
// The plugin we're supposed to create might have been requested asynchronously before.
// In that case we need to create it synchronously now but flag the instance ID so we don't recreate it asynchronously later.
if (creationParameters.asynchronousCreationIncomplete)
m_asynchronousInstanceIDsToIgnore.add(creationParameters.pluginInstanceID);
bool result = false;
bool wantsWheelEvents = false;
uint32_t remoteLayerClientID = 0;
createPluginInternal(creationParameters, result, wantsWheelEvents, remoteLayerClientID);
reply->send(result, wantsWheelEvents, remoteLayerClientID);
}
void WebProcessConnection::createPluginInternal(const PluginCreationParameters& creationParameters, bool& result, bool& wantsWheelEvents, uint32_t& remoteLayerClientID)
{
OwnPtr<PluginControllerProxy> pluginControllerProxy = PluginControllerProxy::create(this, creationParameters);
PluginControllerProxy* pluginControllerProxyPtr = pluginControllerProxy.get();
// Make sure to add the proxy to the map before initializing it, since the plug-in might call out to the web process from
// its NPP_New function. This will hand over ownership of the proxy to the web process connection.
addPluginControllerProxy(pluginControllerProxy.release());
// Now try to initialize the plug-in.
result = pluginControllerProxyPtr->initialize(creationParameters);
if (!result)
return;
wantsWheelEvents = pluginControllerProxyPtr->wantsWheelEvents();
#if PLATFORM(MAC)
remoteLayerClientID = pluginControllerProxyPtr->remoteLayerClientID();
#else
UNUSED_PARAM(remoteLayerClientID);
#endif
}