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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "WorkerAsyncFileWriterChromium.h"
     33 
     34 #if ENABLE(FILE_SYSTEM)
     35 
     36 #include "AsyncFileSystem.h"
     37 #include "Blob.h"
     38 #include "ScriptExecutionContext.h"
     39 #include "WebFileSystem.h"
     40 #include "WebFileWriter.h"
     41 #include "WebURL.h"
     42 #include "WebWorkerBase.h"
     43 #include "WorkerContext.h"
     44 #include "WorkerFileWriterCallbacksBridge.h"
     45 #include "WorkerLoaderProxy.h"
     46 #include "WorkerThread.h"
     47 #include <wtf/Assertions.h>
     48 
     49 using namespace WebKit;
     50 
     51 namespace WebCore {
     52 
     53 WorkerAsyncFileWriterChromium::WorkerAsyncFileWriterChromium(WebFileSystem* webFileSystem, const String& path, WorkerContext* workerContext, AsyncFileWriterClient* client, WriterType type)
     54     : m_type(type)
     55 {
     56     ASSERT(m_type == Asynchronous); // Synchronous is not implemented yet.
     57 
     58     WorkerLoaderProxy* proxy = &workerContext->thread()->workerLoaderProxy();
     59     m_bridge = WorkerFileWriterCallbacksBridge::create(path, proxy, workerContext, client);
     60 }
     61 
     62 WorkerAsyncFileWriterChromium::~WorkerAsyncFileWriterChromium()
     63 {
     64     m_bridge->postShutdownToMainThread(m_bridge);
     65 }
     66 
     67 bool WorkerAsyncFileWriterChromium::waitForOperationToComplete()
     68 {
     69     return m_bridge->waitForOperationToComplete();
     70 }
     71 
     72 void WorkerAsyncFileWriterChromium::write(long long position, Blob* data)
     73 {
     74     m_bridge->postWriteToMainThread(position, data->url());
     75 }
     76 
     77 void WorkerAsyncFileWriterChromium::truncate(long long length)
     78 {
     79     m_bridge->postTruncateToMainThread(length);
     80 }
     81 
     82 void WorkerAsyncFileWriterChromium::abort()
     83 {
     84     m_bridge->postAbortToMainThread();
     85 }
     86 
     87 }
     88 
     89 #endif // ENABLE(FILE_SYSTEM)
     90