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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.h"
#include "content/common/fileapi/file_system_dispatcher.h"
#include "content/common/fileapi/webfilesystem_callback_dispatcher.h"
#include "content/common/quota_dispatcher.h"
#include "content/common/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/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/Source/Platform/chromium/public/WebString.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/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),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)),
devtools_agent_(NULL) {
}
WebSharedWorkerClientProxy::~WebSharedWorkerClientProxy() {
}
void WebSharedWorkerClientProxy::postMessageToWorkerObject(
const WebString& message,
const WebMessagePortChannelArray& channels) {
std::vector<int> message_port_ids(channels.size());
std::vector<int> routing_ids(channels.size());
for (size_t i = 0; i < channels.size(); ++i) {
WebMessagePortChannelImpl* webchannel =
static_cast<WebMessagePortChannelImpl*>(channels[i]);
message_port_ids[i] = webchannel->message_port_id();
webchannel->QueueMessages();
DCHECK(message_port_ids[i] != MSG_ROUTING_NONE);
routing_ids[i] = MSG_ROUTING_NONE;
}
Send(new WorkerMsg_PostMessage(
route_id_, message, message_port_ids, routing_ids));
}
void WebSharedWorkerClientProxy::postExceptionToWorkerObject(
const WebString& error_message,
int line_number,
const WebString& source_url) {
Send(new WorkerHostMsg_PostExceptionToWorkerObject(
route_id_, error_message, line_number, source_url));
}
void WebSharedWorkerClientProxy::postConsoleMessageToWorkerObject(
int source,
int type,
int level,
const WebString& message,
int line_number,
const WebString& source_url) {
WorkerHostMsg_PostConsoleMessageToWorkerObject_Params params;
params.source_identifier = source;
params.message_type = type;
params.message_level = level;
params.message = message;
params.line_number = line_number;
params.source_url = source_url;
Send(new WorkerHostMsg_PostConsoleMessageToWorkerObject(route_id_, params));
}
void WebSharedWorkerClientProxy::confirmMessageFromWorkerObject(
bool has_pending_activity) {
Send(new WorkerHostMsg_ConfirmMessageFromWorkerObject(
route_id_, has_pending_activity));
}
void WebSharedWorkerClientProxy::reportPendingActivity(
bool has_pending_activity) {
Send(new WorkerHostMsg_ReportPendingActivity(
route_id_, has_pending_activity));
}
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;
}
// TODO(abarth): Security checks should use WebDocument or WebSecurityOrigin,
// not WebFrame as the context object because WebFrames can contain different
// WebDocuments at different times.
bool WebSharedWorkerClientProxy::allowDatabase(WebFrame* frame,
const WebString& name,
const WebString& display_name,
unsigned long estimated_size) {
WebSecurityOrigin origin = frame->document().securityOrigin();
if (origin.isUnique())
return false;
bool result = false;
Send(new WorkerProcessHostMsg_AllowDatabase(
route_id_, GURL(origin.toString().utf8()), name, display_name,
estimated_size, &result));
return result;
}
bool WebSharedWorkerClientProxy::allowFileSystem() {
bool result = false;
Send(new WorkerProcessHostMsg_AllowFileSystem(
route_id_, stub_->url().GetOrigin(), &result));
return result;
}
void WebSharedWorkerClientProxy::openFileSystem(
WebKit::WebFileSystemType type,
long long size,
bool create,
WebKit::WebFileSystemCallbacks* callbacks) {
ChildThread::current()->file_system_dispatcher()->OpenFileSystem(
stub_->url().GetOrigin(), static_cast<fileapi::FileSystemType>(type),
size, create, new WebFileSystemCallbackDispatcher(callbacks));
}
bool WebSharedWorkerClientProxy::allowIndexedDB(const WebKit::WebString& name) {
bool result = false;
Send(new WorkerProcessHostMsg_AllowIndexedDB(
route_id_, stub_->url().GetOrigin(), name, &result));
return result;
}
void WebSharedWorkerClientProxy::queryUsageAndQuota(
WebKit::WebStorageQuotaType type,
WebKit::WebStorageQuotaCallbacks* callbacks) {
ChildThread::current()->quota_dispatcher()->QueryStorageUsageAndQuota(
stub_->url().GetOrigin(), static_cast<quota::StorageType>(type),
QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
}
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.
MessageLoop::current()->PostDelayedTask(FROM_HERE,
base::Bind(
&WebSharedWorkerClientProxy::workerContextDestroyed,
weak_factory_.GetWeakPtr()),
base::TimeDelta::FromSeconds(kMaxTimeForRunawayWorkerSeconds));
}
} // namespace content
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