| /* |
| * 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" |
| #include "WorkerAsyncFileSystemChromium.h" |
| |
| #if ENABLE(FILE_SYSTEM) |
| |
| #include "AsyncFileSystemCallbacks.h" |
| #include "FileMetadata.h" |
| #include "FileSystem.h" |
| #include "NotImplemented.h" |
| #include "WebFileSystem.h" |
| #include "WebFileSystemCallbacksImpl.h" |
| #include "WebFileWriter.h" |
| #include "WebKit.h" |
| #include "WebKitClient.h" |
| #include "WebWorkerBase.h" |
| #include "WorkerAsyncFileWriterChromium.h" |
| #include "WorkerContext.h" |
| #include "WorkerFileSystemCallbacksBridge.h" |
| #include "WorkerScriptController.h" |
| #include "WorkerThread.h" |
| #include <wtf/text/CString.h> |
| |
| using namespace WebKit; |
| |
| namespace WebCore { |
| |
| static const char fileSystemOperationsMode[] = "fileSystemOperationsMode"; |
| |
| WorkerAsyncFileSystemChromium::WorkerAsyncFileSystemChromium(ScriptExecutionContext* context, AsyncFileSystem::Type type, const String& rootPath, bool synchronous) |
| : AsyncFileSystem(type, rootPath) |
| , m_scriptExecutionContext(context) |
| , m_webFileSystem(WebKit::webKitClient()->fileSystem()) |
| , m_workerContext(static_cast<WorkerContext*>(context)) |
| , m_synchronous(synchronous) |
| { |
| ASSERT(m_webFileSystem); |
| ASSERT(m_scriptExecutionContext->isWorkerContext()); |
| |
| WorkerLoaderProxy* workerLoaderProxy = &m_workerContext->thread()->workerLoaderProxy(); |
| m_worker = static_cast<WebWorkerBase*>(workerLoaderProxy); |
| } |
| |
| WorkerAsyncFileSystemChromium::~WorkerAsyncFileSystemChromium() |
| { |
| } |
| |
| bool WorkerAsyncFileSystemChromium::waitForOperationToComplete() |
| { |
| if (!m_bridgeForCurrentOperation.get()) |
| return false; |
| |
| RefPtr<WorkerFileSystemCallbacksBridge> bridge = m_bridgeForCurrentOperation.release(); |
| if (m_workerContext->thread()->runLoop().runInMode(m_workerContext, m_modeForCurrentOperation) == MessageQueueTerminated) { |
| bridge->stop(); |
| return false; |
| } |
| return true; |
| } |
| |
| void WorkerAsyncFileSystemChromium::move(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postMoveToMainThread(m_webFileSystem, sourcePath, destinationPath, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::copy(const String& sourcePath, const String& destinationPath, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postCopyToMainThread(m_webFileSystem, sourcePath, destinationPath, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::remove(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postRemoveToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::removeRecursively(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postRemoveRecursivelyToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::readMetadata(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postReadMetadataToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::createFile(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postCreateFileToMainThread(m_webFileSystem, path, exclusive, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::createDirectory(const String& path, bool exclusive, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postCreateDirectoryToMainThread(m_webFileSystem, path, exclusive, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::fileExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postFileExistsToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::directoryExists(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postDirectoryExistsToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| void WorkerAsyncFileSystemChromium::readDirectory(const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(callbacks)->postReadDirectoryToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| class WorkerFileWriterHelperCallbacks : public AsyncFileSystemCallbacks { |
| public: |
| static PassOwnPtr<WorkerFileWriterHelperCallbacks> create(AsyncFileWriterClient* client, const String& path, WebKit::WebFileSystem* webFileSystem, PassOwnPtr<WebCore::AsyncFileSystemCallbacks> callbacks, WorkerContext* workerContext) |
| { |
| return adoptPtr(new WorkerFileWriterHelperCallbacks(client, path, webFileSystem, callbacks, workerContext)); |
| } |
| |
| virtual void didSucceed() |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| virtual void didReadMetadata(const FileMetadata& metadata) |
| { |
| ASSERT(m_callbacks); |
| if (metadata.type != FileMetadata::TypeFile || metadata.length < 0) |
| m_callbacks->didFail(WebKit::WebFileErrorInvalidState); |
| else { |
| OwnPtr<WorkerAsyncFileWriterChromium> asyncFileWriterChromium = WorkerAsyncFileWriterChromium::create(m_webFileSystem, m_path, m_workerContext, m_client, WorkerAsyncFileWriterChromium::Asynchronous); |
| m_callbacks->didCreateFileWriter(asyncFileWriterChromium.release(), metadata.length); |
| } |
| } |
| |
| virtual void didReadDirectoryEntry(const String& name, bool isDirectory) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| virtual void didReadDirectoryEntries(bool hasMore) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| virtual void didOpenFileSystem(const String&, PassOwnPtr<AsyncFileSystem>) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| // Called when an AsyncFileWrter has been created successfully. |
| virtual void didCreateFileWriter(PassOwnPtr<AsyncFileWriter>, long long) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| virtual void didFail(int code) |
| { |
| ASSERT(m_callbacks); |
| m_callbacks->didFail(code); |
| } |
| |
| private: |
| WorkerFileWriterHelperCallbacks(AsyncFileWriterClient* client, const String& path, WebKit::WebFileSystem* webFileSystem, PassOwnPtr<WebCore::AsyncFileSystemCallbacks> callbacks, WorkerContext* workerContext) |
| : m_client(client) |
| , m_path(path) |
| , m_webFileSystem(webFileSystem) |
| , m_callbacks(callbacks) |
| , m_workerContext(workerContext) |
| { |
| } |
| |
| AsyncFileWriterClient* m_client; |
| String m_path; |
| WebKit::WebFileSystem* m_webFileSystem; |
| OwnPtr<WebCore::AsyncFileSystemCallbacks> m_callbacks; |
| WorkerContext* m_workerContext; |
| }; |
| |
| void WorkerAsyncFileSystemChromium::createWriter(AsyncFileWriterClient* client, const String& path, PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| createWorkerFileSystemCallbacksBridge(WorkerFileWriterHelperCallbacks::create(client, path, m_webFileSystem, callbacks, m_workerContext))->postReadMetadataToMainThread(m_webFileSystem, path, m_modeForCurrentOperation); |
| } |
| |
| PassRefPtr<WorkerFileSystemCallbacksBridge> WorkerAsyncFileSystemChromium::createWorkerFileSystemCallbacksBridge(PassOwnPtr<AsyncFileSystemCallbacks> callbacks) |
| { |
| ASSERT(!m_synchronous || !m_bridgeForCurrentOperation.get()); |
| |
| m_modeForCurrentOperation = fileSystemOperationsMode; |
| m_modeForCurrentOperation.append(String::number(m_workerContext->thread()->runLoop().createUniqueId())); |
| |
| m_bridgeForCurrentOperation = WorkerFileSystemCallbacksBridge::create(m_worker, m_scriptExecutionContext, new WebKit::WebFileSystemCallbacksImpl(callbacks)); |
| return m_bridgeForCurrentOperation; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(FILE_SYSTEM) |