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// Copyright (c) 2012 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 "chrome/browser/chromeos/drive/file_task_executor.h"
#include <string>
#include <vector>
#include "base/json/json_writer.h"
#include "base/string_util.h"
#include "chrome/browser/chromeos/drive/drive.pb.h"
#include "chrome/browser/chromeos/drive/drive_system_service.h"
#include "chrome/browser/chromeos/drive/file_system_interface.h"
#include "chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.h"
#include "chrome/browser/google_apis/drive_service_interface.h"
#include "chrome/browser/google_apis/gdata_wapi_parser.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_window.h"
#include "content/public/browser/browser_thread.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/fileapi/file_system_url.h"
#include "webkit/fileapi/file_system_util.h"
using file_handler_util::FileTaskExecutor;
using fileapi::FileSystemURL;
namespace drive {
FileTaskExecutor::FileTaskExecutor(Profile* profile,
const std::string& app_id,
const std::string& action_id)
: file_handler_util::FileTaskExecutor(profile, GURL(), "", app_id),
action_id_(action_id),
current_index_(0) {
DCHECK("open-with" == action_id_);
}
FileTaskExecutor::~FileTaskExecutor() {
}
bool FileTaskExecutor::ExecuteAndNotify(
const std::vector<FileSystemURL>& file_urls,
const file_handler_util::FileTaskFinishedCallback& done) {
std::vector<base::FilePath> raw_paths;
for (std::vector<FileSystemURL>::const_iterator url = file_urls.begin();
url != file_urls.end(); ++url) {
base::FilePath path = util::ExtractDrivePathFromFileSystemUrl(*url);
if (path.empty())
return false;
raw_paths.push_back(path);
}
DriveSystemService* system_service =
DriveSystemServiceFactory::GetForProfile(profile());
DCHECK(current_index_ == 0);
if (!system_service || !system_service->file_system())
return false;
FileSystemInterface* file_system = system_service->file_system();
// Reset the index, so we know when we're done.
current_index_ = raw_paths.size();
for (std::vector<base::FilePath>::const_iterator iter = raw_paths.begin();
iter != raw_paths.end(); ++iter) {
file_system->GetEntryInfoByPath(
*iter,
base::Bind(&FileTaskExecutor::OnFileEntryFetched, this));
}
return true;
}
void FileTaskExecutor::OnFileEntryFetched(
FileError error,
scoped_ptr<ResourceEntry> entry) {
// If we aborted, then this will be zero.
if (!current_index_)
return;
DriveSystemService* system_service =
DriveSystemServiceFactory::GetForProfile(profile());
// Here, we are only interested in files.
if (entry.get() && !entry->has_file_specific_info())
error = FILE_ERROR_NOT_FOUND;
if (!system_service || error != FILE_ERROR_OK) {
Done(false);
return;
}
// The edit URL can be empty for non-editable files (such as files shared with
// read-only privilege).
if (entry->edit_url().empty()) {
Done(false);
return;
}
google_apis::DriveServiceInterface* drive_service =
system_service->drive_service();
// Send off a request for the drive service to authorize the apps for the
// current document entry for this document so we can get the
// open-with-<app_id> urls from the document entry.
drive_service->AuthorizeApp(
entry->resource_id(),
extension_id(), // really app_id
base::Bind(&FileTaskExecutor::OnAppAuthorized,
this,
entry->resource_id()));
}
void FileTaskExecutor::OnAppAuthorized(
const std::string& resource_id,
google_apis::GDataErrorCode error,
const GURL& open_link) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
// If we aborted, then this will be zero.
if (!current_index_)
return;
DriveSystemService* system_service =
DriveSystemServiceFactory::GetForProfile(profile());
if (!system_service || error != google_apis::HTTP_SUCCESS) {
Done(false);
return;
}
if (open_link.is_empty()) {
Done(false);
return;
}
Browser* browser = GetBrowser();
chrome::AddSelectedTabWithURL(browser, open_link,
content::PAGE_TRANSITION_LINK);
// If the current browser is not tabbed then the new tab will be created
// in a different browser. Make sure it is visible.
browser->window()->Show();
// We're done with this file. If this is the last one, then we're done.
current_index_--;
DCHECK(current_index_ >= 0);
if (current_index_ == 0)
Done(true);
}
void FileTaskExecutor::Done(bool success) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
current_index_ = 0;
if (!done_.is_null())
done_.Run(success);
done_.Reset();
}
} // namespace drive
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