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Diffstat (limited to 'WebKit/chromium/src/WorkerFileSystemCallbacksBridge.h')
| -rw-r--r-- | WebKit/chromium/src/WorkerFileSystemCallbacksBridge.h | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/WebKit/chromium/src/WorkerFileSystemCallbacksBridge.h b/WebKit/chromium/src/WorkerFileSystemCallbacksBridge.h deleted file mode 100644 index fa57f38..0000000 --- a/WebKit/chromium/src/WorkerFileSystemCallbacksBridge.h +++ /dev/null @@ -1,156 +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. - */ - -#ifndef WorkerFileSystemCallbacksBridge_h -#define WorkerFileSystemCallbacksBridge_h - -#if ENABLE(FILE_SYSTEM) - -#include "PlatformString.h" -#include "ScriptExecutionContext.h" -#include "WebFileError.h" -#include "WebFileSystem.h" -#include "WebVector.h" -#include "WorkerContext.h" -#include <wtf/PassOwnPtr.h> -#include <wtf/PassRefPtr.h> -#include <wtf/Threading.h> - -namespace WebKit { - -class AsyncFileSystem; -class MainThreadFileSystemCallbacks; -class ThreadableCallbacksBridgeWrapper; -class WebCommonWorkerClient; -class WebFileSystemCallbacks; -class WebWorkerBase; -struct WebFileInfo; -struct WebFileSystemEntry; - -// This class is used to post a openFileSystem request to the main thread and get called back for the request. This must be destructed on the worker thread. -// -// A typical flow for openFileSystem would look like this: -// Bridge::postOpenFileSystemToMainThread() on WorkerThread -// --> Bridge::openFileSystemOnMainThread() is called on MainThread -// This makes an IPC with a MainThreadFileSystemCallbacks instance -// [actual operation is down in the browser] -// --> MainThreadFileSystemCallbacks::didXxx is called on MainThread -// --> Bridge::didXxxOnMainThread is called on MainThread -// --> Bridge::didXxxOnWorkerThread is called on WorkerThread -// This calls the original callbacks (m_callbacksOnWorkerThread) and -// releases a self-reference to the bridge. -class WorkerFileSystemCallbacksBridge : public ThreadSafeShared<WorkerFileSystemCallbacksBridge>, public WebCore::WorkerContext::Observer { -public: - ~WorkerFileSystemCallbacksBridge(); - - // WorkerContext::Observer method. - virtual void notifyStop() - { - stop(); - } - - void stop(); - - static PassRefPtr<WorkerFileSystemCallbacksBridge> create(WebWorkerBase* worker, WebCore::ScriptExecutionContext* workerContext, WebFileSystemCallbacks* callbacks) - { - return adoptRef(new WorkerFileSystemCallbacksBridge(worker, workerContext, callbacks)); - } - - // Methods that create an instance and post an initial request task to the main thread. They must be called on the worker thread. - void postOpenFileSystemToMainThread(WebCommonWorkerClient*, WebFileSystem::Type, long long size, const String& mode); - void postMoveToMainThread(WebFileSystem*, const String& srcPath, const String& destPath, const String& mode); - void postCopyToMainThread(WebFileSystem*, const String& srcPath, const String& destPath, const String& mode); - void postRemoveToMainThread(WebFileSystem*, const String& path, const String& mode); - void postRemoveRecursivelyToMainThread(WebFileSystem*, const String& path, const String& mode); - void postReadMetadataToMainThread(WebFileSystem*, const String& path, const String& mode); - void postCreateFileToMainThread(WebFileSystem*, const String& path, bool exclusive, const String& mode); - void postCreateDirectoryToMainThread(WebFileSystem*, const String& path, bool exclusive, const String& mode); - void postFileExistsToMainThread(WebFileSystem*, const String& path, const String& mode); - void postDirectoryExistsToMainThread(WebFileSystem*, const String& path, const String& mode); - void postReadDirectoryToMainThread(WebFileSystem*, const String& path, const String& mode); - - // Callback methods that are called on the main thread. - void didFailOnMainThread(WebFileError, const String& mode); - void didOpenFileSystemOnMainThread(const String& name, const String& rootPath, const String& mode); - void didSucceedOnMainThread(const String& mode); - void didReadMetadataOnMainThread(const WebFileInfo&, const String& mode); - void didReadDirectoryOnMainThread(const WebVector<WebFileSystemEntry>&, bool hasMore, const String& mode); - -private: - WorkerFileSystemCallbacksBridge(WebWorkerBase*, WebCore::ScriptExecutionContext*, WebFileSystemCallbacks*); - - // Methods that are to be called on the main thread. - static void openFileSystemOnMainThread(WebCore::ScriptExecutionContext*, WebCommonWorkerClient*, WebFileSystem::Type, long long size, WorkerFileSystemCallbacksBridge*, const String& mode); - static void moveOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& srcPath, const String& destPath, WorkerFileSystemCallbacksBridge*, const String& mode); - static void copyOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& srcPath, const String& destPath, WorkerFileSystemCallbacksBridge*, const String& mode); - static void removeOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - static void removeRecursivelyOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - static void readMetadataOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - static void createFileOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, bool exclusive, WorkerFileSystemCallbacksBridge*, const String& mode); - static void createDirectoryOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, bool exclusive, WorkerFileSystemCallbacksBridge*, const String& mode); - static void fileExistsOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - static void directoryExistsOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - static void readDirectoryOnMainThread(WebCore::ScriptExecutionContext*, WebFileSystem*, const String& path, WorkerFileSystemCallbacksBridge*, const String& mode); - - friend class MainThreadFileSystemCallbacks; - - // Methods that dispatch WebFileSystemCallbacks on the worker threads. - // They release a selfRef of the WorkerFileSystemCallbacksBridge. - static void didFailOnWorkerThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*, WebFileError); - static void didOpenFileSystemOnWorkerThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*, const String& name, const String& rootPath); - static void didSucceedOnWorkerThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*); - static void didReadMetadataOnWorkerThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*, const WebFileInfo&); - static void didReadDirectoryOnWorkerThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*, const WebVector<WebFileSystemEntry>&, bool hasMore); - - // For early-exist; this deref's selfRef and returns true if the worker is already null. - bool derefIfWorkerIsStopped(); - - static void runTaskOnMainThread(WebCore::ScriptExecutionContext*, WorkerFileSystemCallbacksBridge*, PassOwnPtr<WebCore::ScriptExecutionContext::Task>); - static void runTaskOnWorkerThread(WebCore::ScriptExecutionContext*, PassRefPtr<WorkerFileSystemCallbacksBridge>, PassOwnPtr<WebCore::ScriptExecutionContext::Task>); - - void dispatchTaskToMainThread(PassOwnPtr<WebCore::ScriptExecutionContext::Task>); - void mayPostTaskToWorker(PassOwnPtr<WebCore::ScriptExecutionContext::Task>, const String& mode); - - // m_selfRef keeps a reference to itself until a task is created for the worker thread (at which point the task holds the reference). - RefPtr<WorkerFileSystemCallbacksBridge> m_selfRef; - - Mutex m_mutex; - WebWorkerBase* m_worker; - WebCore::ScriptExecutionContext* m_workerContext; - - // This is self-destructed and must be fired on the worker thread. - WebFileSystemCallbacks* m_callbacksOnWorkerThread; -}; - -} // namespace WebCore - -#endif - -#endif // WorkerFileSystemCallbacksBridge_h |