cef/libcef/browser_web_worker.h

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// Copyright (c) 2009 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 _BROWSER_WEB_WORKER_H
#define _BROWSER_WEB_WORKER_H
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebMessagePortChannel.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebWorker.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebWorkerClient.h"
namespace WebKit {
class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebFrame;
class WebNotificationPresenter;
class WebString;
class WebURL;
}
// WebWorkers are not currently functional in CEF. This class effectively
// stubs things out.
class BrowserWebWorker : public WebKit::WebWorker,
public WebKit::WebWorkerClient,
public base::RefCounted<BrowserWebWorker> {
public:
BrowserWebWorker() {
AddRef(); // Adds the reference held for worker object.
AddRef(); // Adds the reference held for worker context object.
}
// WebWorker methods:
virtual void startWorkerContext(const WebKit::WebURL& script_url,
const WebKit::WebString& user_agent,
const WebKit::WebString& source_code) {
}
virtual void terminateWorkerContext() {
}
virtual void postMessageToWorkerContext(
const WebKit::WebString& message,
const WebKit::WebMessagePortChannelArray& channel) {
}
virtual void workerObjectDestroyed() {
Release(); // Releases the reference held for worker object.
}
virtual void clientDestroyed() {
}
// WebWorkerClient methods:
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) {
}
virtual void postConsoleMessageToWorkerObject(
int destination_id,
int source_id,
int message_type,
int message_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() {
Release(); // Releases the reference held for worker context object.
}
virtual WebKit::WebWorker* createWorker(WebKit::WebWorkerClient* client) {
return NULL;
}
virtual WebKit::WebNotificationPresenter* notificationPresenter() {
return NULL;
}
virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
WebKit::WebApplicationCacheHostClient*) {
return NULL;
}
virtual bool allowDatabase(WebKit::WebFrame* frame,
const WebKit::WebString& name,
const WebKit::WebString& display_name,
unsigned long estimated_size) {
return true;
}
private:
friend class base::RefCounted<BrowserWebWorker>;
~BrowserWebWorker() {}
DISALLOW_COPY_AND_ASSIGN(BrowserWebWorker);
};
#endif // _BROWSER_WEB_WORKER_H