summaryrefslogtreecommitdiffstats
path: root/Source/WebCore/fileapi/FileThreadTask.h
blob: 8a8ffcb7bb5536c3d2a54a33944c36b16c7d9420 (plain)
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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 * Copyright (C) 2010 Google Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef FileThreadTask_h
#define FileThreadTask_h

#include "CrossThreadCopier.h"
#include "CrossThreadTask.h"
#include "FileThread.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/PassRefPtr.h>

namespace WebCore {

template<typename T>
class FileThreadTask0 : public FileThread::Task {
public:
    typedef void (T::*Method)();
    typedef FileThreadTask0<T> FileThreadTaskImpl;

    static PassOwnPtr<FileThreadTaskImpl> create(T* instance, Method method)
    {
        return adoptPtr(new FileThreadTaskImpl(instance, method));
    }

private:
    FileThreadTask0(T* instance, Method method)
        : FileThread::Task(instance)
        , m_method(method)
    {
    }

    virtual void performTask()
    {
        (*static_cast<T*>(instance()).*m_method)();
    }

private:
    Method m_method;
};

template<typename T, typename P1, typename MP1>
class FileThreadTask1 : public FileThread::Task {
public:
    typedef void (T::*Method)(MP1);
    typedef FileThreadTask1<T, P1, MP1> FileThreadTaskImpl;
    typedef typename CrossThreadTaskTraits<P1>::ParamType Param1;

    static PassOwnPtr<FileThreadTaskImpl> create(T* instance, Method method, Param1 parameter1)
    {
        return adoptPtr(new FileThreadTaskImpl(instance, method, parameter1));
    }

private:
    FileThreadTask1(T* instance, Method method, Param1 parameter1)
        : FileThread::Task(instance)
        , m_method(method)
        , m_parameter1(parameter1)
    {
    }

    virtual void performTask()
    {
        (*static_cast<T*>(instance()).*m_method)(m_parameter1);
    }

private:
    Method m_method;
    P1 m_parameter1;
};

template<typename T, typename P1, typename MP1, typename P2, typename MP2>
class FileThreadTask2 : public FileThread::Task {
public:
    typedef void (T::*Method)(MP1, MP2);
    typedef FileThreadTask2<T, P1, MP1, P2, MP2> FileThreadTaskImpl;
    typedef typename CrossThreadTaskTraits<P1>::ParamType Param1;
    typedef typename CrossThreadTaskTraits<P2>::ParamType Param2;

    static PassOwnPtr<FileThreadTaskImpl> create(T* instance, Method method, Param1 parameter1, Param2 parameter2)
    {
        return adoptPtr(new FileThreadTaskImpl(instance, method, parameter1, parameter2));
    }

private:
    FileThreadTask2(T* instance, Method method, Param1 parameter1, Param2 parameter2)
        : FileThread::Task(instance)
        , m_method(method)
        , m_parameter1(parameter1)
        , m_parameter2(parameter2)
    {
    }

    virtual void performTask()
    {
        (*static_cast<T*>(instance()).*m_method)(m_parameter1, m_parameter2);
    }

private:
    Method m_method;
    P1 m_parameter1;
    P2 m_parameter2;
};

template<typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3>
class FileThreadTask3 : public FileThread::Task {
public:
    typedef void (T::*Method)(MP1, MP2, MP3);
    typedef FileThreadTask3<T, P1, MP1, P2, MP2, P3, MP3> FileThreadTaskImpl;
    typedef typename CrossThreadTaskTraits<P1>::ParamType Param1;
    typedef typename CrossThreadTaskTraits<P2>::ParamType Param2;
    typedef typename CrossThreadTaskTraits<P3>::ParamType Param3;

    static PassOwnPtr<FileThreadTaskImpl> create(T* instance, Method method, Param1 parameter1, Param2 parameter2, Param3 parameter3)
    {
        return adoptPtr(new FileThreadTaskImpl(instance, method, parameter1, parameter2, parameter3));
    }

private:
    FileThreadTask3(T* instance, Method method, Param1 parameter1, Param2 parameter2, Param3 parameter3)
        : FileThread::Task(instance)
        , m_method(method)
        , m_parameter1(parameter1)
        , m_parameter2(parameter2)
        , m_parameter3(parameter3)
    {
    }

    virtual void performTask()
    {
        (*static_cast<T*>(instance()).*m_method)(m_parameter1, m_parameter2, m_parameter3);
    }

private:
    Method m_method;
    P1 m_parameter1;
    P2 m_parameter2;
    P3 m_parameter3;
};

template<typename T>
PassOwnPtr<FileThread::Task> createFileThreadTask(
    T* const callee,
    void (T::*method)());

template<typename T>
PassOwnPtr<FileThread::Task> createFileThreadTask(
    T* const callee,
    void (T::*method)())
{
    return FileThreadTask0<T>::create(
        callee,
        method);
}

template<typename T, typename P1, typename MP1>
PassOwnPtr<FileThread::Task> createFileThreadTask(
    T* const callee,
    void (T::*method)(MP1),
    const P1& parameter1)
{
    return FileThreadTask1<T, typename CrossThreadCopier<P1>::Type, MP1>::create(
        callee,
        method,
        CrossThreadCopier<P1>::copy(parameter1));
}

template<typename T, typename P1, typename MP1, typename P2, typename MP2>
PassOwnPtr<FileThread::Task> createFileThreadTask(
    T* const callee,
    void (T::*method)(MP1, MP2),
    const P1& parameter1,
    const P2& parameter2)
{
    return FileThreadTask2<T, typename CrossThreadCopier<P1>::Type, MP1, typename CrossThreadCopier<P2>::Type, MP2>::create(
        callee,
        method,
        CrossThreadCopier<P1>::copy(parameter1),
        CrossThreadCopier<P2>::copy(parameter2));
}

template<typename T, typename P1, typename MP1, typename P2, typename MP2, typename P3, typename MP3>
PassOwnPtr<FileThread::Task> createFileThreadTask(
    T* const callee,
    void (T::*method)(MP1, MP2, MP3),
    const P1& parameter1,
    const P2& parameter2,
    const P3& parameter3)
{
    return FileThreadTask3<T, typename CrossThreadCopier<P1>::Type, MP1, typename CrossThreadCopier<P2>::Type, MP2, typename CrossThreadCopier<P3>::Type, MP3>::create(
        callee,
        method,
        CrossThreadCopier<P1>::copy(parameter1),
        CrossThreadCopier<P2>::copy(parameter2),
        CrossThreadCopier<P3>::copy(parameter3));
}

} // namespace WebCore

#endif // FileThreadTask_h