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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "webkit/fileapi/remove_operation_delegate.h"
#include "base/bind.h"
#include "webkit/fileapi/file_system_context.h"
#include "webkit/fileapi/file_system_operation_context.h"
#include "webkit/fileapi/local_file_system_operation.h"
namespace fileapi {
RemoveOperationDelegate::RemoveOperationDelegate(
LocalFileSystemOperation* original_operation,
const FileSystemURL& url,
const StatusCallback& callback)
: RecursiveOperationDelegate(original_operation),
url_(url),
callback_(callback) {
}
RemoveOperationDelegate::~RemoveOperationDelegate() {}
void RemoveOperationDelegate::Run() {
base::PlatformFileError error;
LocalFileSystemOperation* operation = NewOperation(url_, &error);
if (!operation) {
callback_.Run(error);
return;
}
operation->RemoveFile(url_, base::Bind(
&RemoveOperationDelegate::DidTryRemoveFile, AsWeakPtr()));
}
void RemoveOperationDelegate::RunRecursively() {
StartRecursiveOperation(
url_,
base::Bind(&RemoveOperationDelegate::RemoveNextDirectory, AsWeakPtr()));
}
void RemoveOperationDelegate::ProcessFile(const FileSystemURL& url,
const StatusCallback& callback) {
base::PlatformFileError error;
LocalFileSystemOperation* operation = NewOperation(url, &error);
if (!operation) {
callback.Run(error);
return;
}
if (to_remove_directories_.size() == 1u &&
to_remove_directories_.top() == url) {
// We seem to have been re-directed from ProcessDirectory.
to_remove_directories_.pop();
}
operation->RemoveFile(url, base::Bind(
&RemoveOperationDelegate::DidRemoveFile, AsWeakPtr(), callback));
}
void RemoveOperationDelegate::ProcessDirectory(const FileSystemURL& url,
const StatusCallback& callback) {
to_remove_directories_.push(url);
callback.Run(base::PLATFORM_FILE_OK);
}
void RemoveOperationDelegate::DidTryRemoveFile(
base::PlatformFileError error) {
if (error == base::PLATFORM_FILE_OK ||
error != base::PLATFORM_FILE_ERROR_NOT_A_FILE) {
callback_.Run(error);
return;
}
LocalFileSystemOperation* operation = NewOperation(url_, &error);
if (!operation) {
callback_.Run(error);
return;
}
operation->RemoveDirectory(url_, callback_);
}
void RemoveOperationDelegate::DidRemoveFile(const StatusCallback& callback,
base::PlatformFileError error) {
if (error == base::PLATFORM_FILE_ERROR_NOT_FOUND) {
callback.Run(base::PLATFORM_FILE_OK);
return;
}
callback.Run(error);
}
void RemoveOperationDelegate::RemoveNextDirectory(
base::PlatformFileError error) {
if (error != base::PLATFORM_FILE_OK ||
to_remove_directories_.empty()) {
callback_.Run(error);
return;
}
FileSystemURL url = to_remove_directories_.top();
to_remove_directories_.pop();
LocalFileSystemOperation* operation = NewOperation(url, &error);
if (!operation) {
callback_.Run(error);
return;
}
operation->RemoveDirectory(url, base::Bind(
&RemoveOperationDelegate::RemoveNextDirectory,
AsWeakPtr()));
}
} // namespace fileapi
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