diff options
Diffstat (limited to 'WebCore/fileapi/FileStreamProxy.cpp')
-rw-r--r-- | WebCore/fileapi/FileStreamProxy.cpp | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/WebCore/fileapi/FileStreamProxy.cpp b/WebCore/fileapi/FileStreamProxy.cpp deleted file mode 100644 index 5daf983..0000000 --- a/WebCore/fileapi/FileStreamProxy.cpp +++ /dev/null @@ -1,219 +0,0 @@ -/* - * 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. - */ - -#include "config.h" - -#if ENABLE(BLOB) || ENABLE(FILE_SYSTEM) - -#include "FileStreamProxy.h" - -#include "Blob.h" -#include "CrossThreadTask.h" -#include "FileStream.h" -#include "FileThread.h" -#include "FileThreadTask.h" -#include "PlatformString.h" -#include "ScriptExecutionContext.h" - -namespace WebCore { - -inline FileStreamProxy::FileStreamProxy(ScriptExecutionContext* context, FileStreamClient* client) - : AsyncFileStream(client) - , m_context(context) - , m_stream(FileStream::create()) -{ -} - -PassRefPtr<FileStreamProxy> FileStreamProxy::create(ScriptExecutionContext* context, FileStreamClient* client) -{ - RefPtr<FileStreamProxy> proxy = adoptRef(new FileStreamProxy(context, client)); - - // Hold an ref so that the instance will not get deleted while there are tasks on the file thread. - // This is balanced by the deref in derefProxyOnContext below. - proxy->ref(); - - proxy->fileThread()->postTask(createFileThreadTask(proxy.get(), &FileStreamProxy::startOnFileThread)); - - return proxy.release(); -} - -FileStreamProxy::~FileStreamProxy() -{ -} - -FileThread* FileStreamProxy::fileThread() -{ - ASSERT(m_context->isContextThread()); - ASSERT(m_context->fileThread()); - return m_context->fileThread(); -} - -static void didStart(ScriptExecutionContext*, FileStreamProxy* proxy) -{ - if (proxy->client()) - proxy->client()->didStart(); -} - -void FileStreamProxy::startOnFileThread() -{ - m_stream->start(); - m_context->postTask(createCallbackTask(&didStart, this)); -} - -void FileStreamProxy::stop() -{ - // Clear the client so that we won't be calling callbacks on the client. - setClient(0); - - fileThread()->unscheduleTasks(m_stream.get()); - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::stopOnFileThread)); -} - -static void derefProxyOnContext(ScriptExecutionContext*, FileStreamProxy* proxy) -{ - ASSERT(proxy->hasOneRef()); - proxy->deref(); -} - -void FileStreamProxy::stopOnFileThread() -{ - m_stream->stop(); - m_context->postTask(createCallbackTask(&derefProxyOnContext, this)); -} - -static void didGetSize(ScriptExecutionContext*, FileStreamProxy* proxy, long long size) -{ - if (proxy->client()) - proxy->client()->didGetSize(size); -} - -void FileStreamProxy::getSize(const String& path, double expectedModificationTime) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::getSizeOnFileThread, path, expectedModificationTime)); -} - -void FileStreamProxy::getSizeOnFileThread(const String& path, double expectedModificationTime) -{ - long long size = m_stream->getSize(path, expectedModificationTime); - m_context->postTask(createCallbackTask(&didGetSize, this, size)); -} - -static void didOpen(ScriptExecutionContext*, FileStreamProxy* proxy, bool success) -{ - if (proxy->client()) - proxy->client()->didOpen(success); -} - -void FileStreamProxy::openForRead(const String& path, long long offset, long long length) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::openForReadOnFileThread, path, offset, length)); -} - -void FileStreamProxy::openForReadOnFileThread(const String& path, long long offset, long long length) -{ - bool success = m_stream->openForRead(path, offset, length); - m_context->postTask(createCallbackTask(&didOpen, this, success)); -} - -void FileStreamProxy::openForWrite(const String& path) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::openForWriteOnFileThread, path)); -} - -void FileStreamProxy::openForWriteOnFileThread(const String& path) -{ - bool success = m_stream->openForWrite(path); - m_context->postTask(createCallbackTask(&didOpen, this, success)); -} - -void FileStreamProxy::close() -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::closeOnFileThread)); -} - -void FileStreamProxy::closeOnFileThread() -{ - m_stream->close(); -} - -static void didRead(ScriptExecutionContext*, FileStreamProxy* proxy, int bytesRead) -{ - if (proxy->client()) - proxy->client()->didRead(bytesRead); -} - -void FileStreamProxy::read(char* buffer, int length) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::readOnFileThread, buffer, length)); -} - -void FileStreamProxy::readOnFileThread(char* buffer, int length) -{ - int bytesRead = m_stream->read(buffer, length); - m_context->postTask(createCallbackTask(&didRead, this, bytesRead)); -} - -static void didWrite(ScriptExecutionContext*, FileStreamProxy* proxy, int bytesWritten) -{ - if (proxy->client()) - proxy->client()->didWrite(bytesWritten); -} - -void FileStreamProxy::write(const KURL& blobURL, long long position, int length) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::writeOnFileThread, blobURL, position, length)); -} - -void FileStreamProxy::writeOnFileThread(const KURL& blobURL, long long position, int length) -{ - int bytesWritten = m_stream->write(blobURL, position, length); - m_context->postTask(createCallbackTask(&didWrite, this, bytesWritten)); -} - -static void didTruncate(ScriptExecutionContext*, FileStreamProxy* proxy, bool success) -{ - if (proxy->client()) - proxy->client()->didTruncate(success); -} - -void FileStreamProxy::truncate(long long position) -{ - fileThread()->postTask(createFileThreadTask(this, &FileStreamProxy::truncateOnFileThread, position)); -} - -void FileStreamProxy::truncateOnFileThread(long long position) -{ - bool success = m_stream->truncate(position); - m_context->postTask(createCallbackTask(&didTruncate, this, success)); -} - -} // namespace WebCore - -#endif // ENABLE(BLOB) || ENABLE(FILE_SYSTEM) |