diff options
Diffstat (limited to 'WebCore/fileapi/FileThreadTask.h')
| -rw-r--r-- | WebCore/fileapi/FileThreadTask.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/WebCore/fileapi/FileThreadTask.h b/WebCore/fileapi/FileThreadTask.h new file mode 100644 index 0000000..8a8ffcb --- /dev/null +++ b/WebCore/fileapi/FileThreadTask.h @@ -0,0 +1,227 @@ +/* + * 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 |