#include "config.h"
#include "DOMFileSystem.h"
#if ENABLE(FILE_SYSTEM)
#include "AsyncFileSystem.h"
#include "DOMFilePath.h"
#include "DirectoryEntry.h"
#include "ErrorCallback.h"
#include "File.h"
#include "FileCallback.h"
#include "FileEntry.h"
#include "FileMetadata.h"
#include "FileSystemCallbacks.h"
#include "FileWriter.h"
#include "FileWriterBaseCallback.h"
#include "FileWriterCallback.h"
#include "MetadataCallback.h"
#include "ScriptExecutionContext.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
DOMFileSystem::DOMFileSystem(ScriptExecutionContext* context, const String& name, PassOwnPtr<AsyncFileSystem> asyncFileSystem)
: DOMFileSystemBase(context, name, asyncFileSystem)
, ActiveDOMObject(context, this)
{
}
PassRefPtr<DirectoryEntry> DOMFileSystem::root()
{
return DirectoryEntry::create(this, DOMFilePath::root);
}
void DOMFileSystem::stop()
{
m_asyncFileSystem->stop();
}
bool DOMFileSystem::hasPendingActivity() const
{
return m_asyncFileSystem->hasPendingActivity();
}
void DOMFileSystem::contextDestroyed()
{
m_asyncFileSystem->stop();
ActiveDOMObject::contextDestroyed();
}
namespace {
class ConvertToFileWriterCallback : public FileWriterBaseCallback {
public:
static PassRefPtr<ConvertToFileWriterCallback> create(PassRefPtr<FileWriterCallback> callback)
{
return adoptRef(new ConvertToFileWriterCallback(callback));
}
bool handleEvent(FileWriterBase* fileWriterBase)
{
return m_callback->handleEvent(static_cast<FileWriter*>(fileWriterBase));
}
private:
ConvertToFileWriterCallback(PassRefPtr<FileWriterCallback> callback)
: m_callback(callback)
{
}
RefPtr<FileWriterCallback> m_callback;
};
}
void DOMFileSystem::createWriter(const FileEntry* fileEntry, PassRefPtr<FileWriterCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
{
ASSERT(fileEntry);
String platformPath = m_asyncFileSystem->virtualToPlatformPath(fileEntry->fullPath());
RefPtr<FileWriter> fileWriter = FileWriter::create(scriptExecutionContext());
RefPtr<FileWriterBaseCallback> conversionCallback = ConvertToFileWriterCallback::create(successCallback);
OwnPtr<FileWriterBaseCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, conversionCallback, errorCallback);
m_asyncFileSystem->createWriter(fileWriter.get(), platformPath, callbacks.release());
}
namespace {
class GetPathCallback : public FileSystemCallbacksBase {
public:
static PassOwnPtr<GetPathCallback> create(PassRefPtr<DOMFileSystem> filesystem, const String& path, PassRefPtr<FileCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
{
return adoptPtr(new GetPathCallback(filesystem, path, successCallback, errorCallback));
}
virtual void didReadMetadata(const FileMetadata& metadata)
{
if (!metadata.platformPath.isEmpty())
m_path = metadata.platformPath;
m_filesystem->scheduleCallback(m_successCallback.release(), File::create(m_path));
}
private:
GetPathCallback(PassRefPtr<DOMFileSystem> filesystem, const String& path, PassRefPtr<FileCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
: FileSystemCallbacksBase(errorCallback)
, m_filesystem(filesystem)
, m_path(path)
, m_successCallback(successCallback)
{
}
RefPtr<DOMFileSystem> m_filesystem;
String m_path;
RefPtr<FileCallback> m_successCallback;
};
}
void DOMFileSystem::createFile(const FileEntry* fileEntry, PassRefPtr<FileCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
{
String platformPath = m_asyncFileSystem->virtualToPlatformPath(fileEntry->fullPath());
m_asyncFileSystem->readMetadata(platformPath, GetPathCallback::create(this, platformPath, successCallback, errorCallback));
}
}
#endif // ENABLE(FILE_SYSTEM)