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// Copyright (c) 2010 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.
#ifndef CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_
#define CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_
#pragma once
#include "base/basictypes.h"
#include "base/task.h"
#include "ipc/ipc_channel.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFileSystem.h"
#include "third_party/WebKit/WebKit/chromium/public/WebWorkerClient.h"
namespace WebKit {
class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebFrame;
class WebWorker;
}
class WebWorkerStubBase;
// This class receives IPCs from the renderer and calls the WebCore::Worker
// implementation (after the data types have been converted by glue code). It
// is also called by the worker code and converts these function calls into
// IPCs that are sent to the renderer, where they're converted back to function
// calls by WebWorkerProxy.
class WebWorkerClientProxy : public WebKit::WebWorkerClient {
public:
WebWorkerClientProxy(int route_id, WebWorkerStubBase* stub);
virtual ~WebWorkerClientProxy();
// WebWorkerClient implementation.
virtual void postMessageToWorkerObject(
const WebKit::WebString& message,
const WebKit::WebMessagePortChannelArray& channel);
virtual void postExceptionToWorkerObject(
const WebKit::WebString& error_message,
int line_number,
const WebKit::WebString& source_url);
// TODO(caseq): The overload before is obsolete and is preserved for
// WebKit/chromium compatibility only (pure virtual is base class).
// Should be removed once WebKit part is updated.
virtual void postConsoleMessageToWorkerObject(
int destination,
int source,
int type,
int level,
const WebKit::WebString& message,
int line_number,
const WebKit::WebString& source_url) {
}
virtual void postConsoleMessageToWorkerObject(
int source,
int type,
int level,
const WebKit::WebString& message,
int line_number,
const WebKit::WebString& source_url);
virtual void confirmMessageFromWorkerObject(bool has_pending_activity);
virtual void reportPendingActivity(bool has_pending_activity);
virtual void workerContextClosed();
virtual void workerContextDestroyed();
virtual WebKit::WebWorker* createWorker(WebKit::WebWorkerClient* client);
virtual WebKit::WebNotificationPresenter* notificationPresenter() {
// TODO(johnnyg): Notifications are not yet hooked up to workers.
// Coming soon.
NOTREACHED();
return NULL;
}
virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
WebKit::WebApplicationCacheHostClient* client);
virtual bool allowDatabase(WebKit::WebFrame* frame,
const WebKit::WebString& name,
const WebKit::WebString& display_name,
unsigned long estimated_size) {
// TODO(jochen): Check content settings whether access to web databases is
// allowed.
return true;
}
virtual void openFileSystem(WebKit::WebFileSystem::Type type,
long long size,
WebKit::WebFileSystemCallbacks* callbacks);
void EnsureWorkerContextTerminates();
private:
bool Send(IPC::Message* message);
int route_id_;
int appcache_host_id_;
WebWorkerStubBase* stub_;
ScopedRunnableMethodFactory<WebWorkerClientProxy> kill_process_factory_;
DISALLOW_COPY_AND_ASSIGN(WebWorkerClientProxy);
};
#endif // CHROME_WORKER_WEBWORKERCLIENT_PROXY_H_
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