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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/worker/websharedworkerclient_proxy.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "content/child/webmessageportchannel_impl.h"
#include "content/common/worker_messages.h"
#include "content/public/common/content_switches.h"
#include "content/worker/shared_worker_devtools_agent.h"
#include "content/worker/shared_worker_permission_client_proxy.h"
#include "content/worker/websharedworker_stub.h"
#include "content/worker/worker_thread.h"
#include "content/worker/worker_webapplicationcachehost_impl.h"
#include "ipc/ipc_logging.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
using WebKit::WebApplicationCacheHost;
using WebKit::WebFrame;
using WebKit::WebMessagePortChannel;
using WebKit::WebMessagePortChannelArray;
using WebKit::WebSecurityOrigin;
using WebKit::WebString;
using WebKit::WebWorker;
using WebKit::WebSharedWorkerClient;
namespace content {
// How long to wait for worker to finish after it's been told to terminate.
#define kMaxTimeForRunawayWorkerSeconds 3
WebSharedWorkerClientProxy::WebSharedWorkerClientProxy(
int route_id, WebSharedWorkerStub* stub)
: route_id_(route_id),
appcache_host_id_(0),
stub_(stub),
weak_factory_(this),
devtools_agent_(NULL) {
}
WebSharedWorkerClientProxy::~WebSharedWorkerClientProxy() {
}
void WebSharedWorkerClientProxy::workerContextClosed() {
Send(new WorkerHostMsg_WorkerContextClosed(route_id_));
}
void WebSharedWorkerClientProxy::workerContextDestroyed() {
Send(new WorkerHostMsg_WorkerContextDestroyed(route_id_));
// Tell the stub that the worker has shutdown - frees this object.
if (stub_)
stub_->Shutdown();
}
WebKit::WebNotificationPresenter*
WebSharedWorkerClientProxy::notificationPresenter() {
// TODO(johnnyg): Notifications are not yet hooked up to workers.
// Coming soon.
NOTREACHED();
return NULL;
}
WebApplicationCacheHost* WebSharedWorkerClientProxy::createApplicationCacheHost(
WebKit::WebApplicationCacheHostClient* client) {
WorkerWebApplicationCacheHostImpl* host =
new WorkerWebApplicationCacheHostImpl(stub_->appcache_init_info(),
client);
// Remember the id of the instance we create so we have access to that
// value when creating nested dedicated workers in createWorker.
appcache_host_id_ = host->host_id();
return host;
}
WebKit::WebWorkerPermissionClientProxy*
WebSharedWorkerClientProxy::createWorkerPermissionClientProxy(
const WebKit::WebSecurityOrigin& origin) {
return new SharedWorkerPermissionClientProxy(
GURL(origin.toString()), origin.isUnique(), route_id_,
ChildThread::current()->thread_safe_sender());
}
// TODO(kinuko): Deprecate these methods.
bool WebSharedWorkerClientProxy::allowDatabase(WebFrame* frame,
const WebString& name,
const WebString& display_name,
unsigned long estimated_size) {
return false;
}
bool WebSharedWorkerClientProxy::allowFileSystem() {
return false;
}
bool WebSharedWorkerClientProxy::allowIndexedDB(const WebKit::WebString& name) {
return false;
}
void WebSharedWorkerClientProxy::dispatchDevToolsMessage(
const WebString& message) {
if (devtools_agent_)
devtools_agent_->SendDevToolsMessage(message);
}
void WebSharedWorkerClientProxy::saveDevToolsAgentState(
const WebKit::WebString& state) {
if (devtools_agent_)
devtools_agent_->SaveDevToolsAgentState(state);
}
bool WebSharedWorkerClientProxy::Send(IPC::Message* message) {
return WorkerThread::current()->Send(message);
}
void WebSharedWorkerClientProxy::EnsureWorkerContextTerminates() {
// This shuts down the process cleanly from the perspective of the browser
// process, and avoids the crashed worker infobar from appearing to the new
// page. It's ok to post several of theese, because the first executed task
// will exit the message loop and subsequent ones won't be executed.
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&WebSharedWorkerClientProxy::workerContextDestroyed,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromSeconds(kMaxTimeForRunawayWorkerSeconds));
}
} // namespace content
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