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/*
* Copyright (C) 2013 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 "modules/filesystem/LocalFileSystem.h"
#include "core/dom/CrossThreadTask.h"
#include "core/dom/Document.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/ExecutionContext.h"
#include "core/fileapi/FileError.h"
#include "core/workers/WorkerGlobalScope.h"
#include "modules/filesystem/FileSystemClient.h"
#include "platform/AsyncFileSystemCallbacks.h"
#include "public/platform/Platform.h"
#include "public/platform/WebFileSystem.h"
namespace WebCore {
namespace {
void fileSystemNotAllowed(ExecutionContext*, PassOwnPtr<AsyncFileSystemCallbacks> callbacks)
{
callbacks->didFail(FileError::ABORT_ERR);
}
} // namespace
PassOwnPtr<LocalFileSystem> LocalFileSystem::create(PassOwnPtr<FileSystemClient> client)
{
return adoptPtr(new LocalFileSystem(client));
}
LocalFileSystem::~LocalFileSystem()
{
}
void LocalFileSystem::resolveURL(ExecutionContext* context, const KURL& fileSystemURL, PassOwnPtr<AsyncFileSystemCallbacks> callbacks)
{
if (!client() || !client()->allowFileSystem(context)) {
context->postTask(createCallbackTask(&fileSystemNotAllowed, callbacks));
return;
}
blink::Platform::current()->fileSystem()->resolveURL(fileSystemURL, callbacks);
}
void LocalFileSystem::requestFileSystem(ExecutionContext* context, FileSystemType type, long long size, PassOwnPtr<AsyncFileSystemCallbacks> callbacks)
{
if (!client() || !client()->allowFileSystem(context)) {
context->postTask(createCallbackTask(&fileSystemNotAllowed, callbacks));
return;
}
KURL storagePartition = KURL(KURL(), context->securityOrigin()->toString());
blink::Platform::current()->fileSystem()->openFileSystem(storagePartition, static_cast<blink::WebFileSystemType>(type), callbacks);
}
void LocalFileSystem::deleteFileSystem(ExecutionContext* context, FileSystemType type, PassOwnPtr<AsyncFileSystemCallbacks> callbacks)
{
ASSERT(context);
ASSERT_WITH_SECURITY_IMPLICATION(context->isDocument());
if (!client() || !client()->allowFileSystem(context)) {
context->postTask(createCallbackTask(&fileSystemNotAllowed, callbacks));
return;
}
KURL storagePartition = KURL(KURL(), context->securityOrigin()->toString());
blink::Platform::current()->fileSystem()->deleteFileSystem(storagePartition, static_cast<blink::WebFileSystemType>(type), callbacks);
}
LocalFileSystem::LocalFileSystem(PassOwnPtr<FileSystemClient> client)
: m_client(client)
{
}
const char* LocalFileSystem::supplementName()
{
return "LocalFileSystem";
}
LocalFileSystem* LocalFileSystem::from(ExecutionContext* context)
{
if (context->isDocument()) {
return static_cast<LocalFileSystem*>(Supplement<Page>::from(toDocument(context)->page(), supplementName()));
}
ASSERT(context->isWorkerGlobalScope());
return static_cast<LocalFileSystem*>(Supplement<WorkerClients>::from(toWorkerGlobalScope(context)->clients(), supplementName()));
}
void provideLocalFileSystemTo(Page* page, PassOwnPtr<FileSystemClient> client)
{
page->provideSupplement(LocalFileSystem::supplementName(), LocalFileSystem::create(client));
}
void provideLocalFileSystemToWorker(WorkerClients* clients, PassOwnPtr<FileSystemClient> client)
{
clients->provideSupplement(LocalFileSystem::supplementName(), LocalFileSystem::create(client));
}
} // namespace WebCore
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