1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
// 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 WEBKIT_GLUE_WEBWORKER_IMPL_H_
#define WEBKIT_GLUE_WEBWORKER_IMPL_H_
#include "third_party/WebKit/WebKit/chromium/public/WebWorker.h"
#if ENABLE(WORKERS)
#include <vector>
#include "ScriptExecutionContext.h"
#include "WorkerObjectProxy.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class ScriptExecutionContext;
class Strng;
class WorkerThread;
};
// This class is used by the worker process code to talk to the WebCore::Worker
// implementation. It can't use it directly since it uses WebKit types, so this
// class converts the data types. When the WebCore::Worker object wants to call
// WebCore::WorkerObjectProxy, this class will conver to Chrome data types first
// and then call the supplied WebWorkerClient.
class WebWorkerImpl: public WebCore::WorkerObjectProxy,
public WebKit::WebWorker {
public:
explicit WebWorkerImpl(WebKit::WebWorkerClient* client);
// WebCore::WorkerObjectProxy methods:
virtual void postMessageToWorkerObject(const WebCore::String& message);
virtual void postExceptionToWorkerObject(
const WebCore::String& error_message,
int line_number,
const WebCore::String& source_url);
virtual void postConsoleMessageToWorkerObject(
WebCore::MessageDestination destination,
WebCore::MessageSource source,
WebCore::MessageLevel level,
const WebCore::String& message,
int line_number,
const WebCore::String& source_url);
virtual void confirmMessageFromWorkerObject(bool has_pending_activity);
virtual void reportPendingActivity(bool has_pending_activity);
virtual void workerContextDestroyed();
// 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);
virtual void workerObjectDestroyed();
// Executes the given task on the main thread.
static void DispatchTaskToMainThread(
PassRefPtr<WebCore::ScriptExecutionContext::Task> task);
private:
virtual ~WebWorkerImpl();
// Tasks that are run on the worker thread.
static void PostMessageToWorkerContextTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
const WebCore::String& message);
// Function used to invoke tasks on the main thread.
static void InvokeTaskMethod(void* param);
// Tasks that are run on the main thread.
static void PostMessageTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
WebCore::String message);
static void PostExceptionTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
const WebCore::String& error_message,
int line_number,
const WebCore::String& source_url);
static void PostConsoleMessageTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
int destination,
int source,
int level,
const WebCore::String& message,
int line_number,
const WebCore::String& source_url);
static void ConfirmMessageTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
bool has_pending_activity);
static void ReportPendingActivityTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr,
bool has_pending_activity);
static void WorkerContextDestroyedTask(
WebCore::ScriptExecutionContext* context,
WebWorkerImpl* this_ptr);
WebKit::WebWorkerClient* client_;
WTF::RefPtr<WebCore::WorkerThread> worker_thread_;
DISALLOW_COPY_AND_ASSIGN(WebWorkerImpl);
};
#endif
#endif // WEBKIT_GLUE_WEBWORKER_IMPL_H_
|
