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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 <stddef.h>
#include <string>
#include <utility>
#include <vector>
#include "chrome/browser/chromeos/drive/drive_integration_service.h"
#include "chrome/browser/chromeos/drive/file_system_util.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
#include "chrome/common/extensions/api/file_manager_private.h"
#include "components/drive/drive.pb.h"
#include "components/drive/file_system_interface.h"
#include "components/drive/service/drive_service_interface.h"
#include "content/public/browser/browser_thread.h"
#include "storage/browser/fileapi/file_system_url.h"
using storage::FileSystemURL;
namespace drive {
namespace {
class FileTaskExecutorDelegateImpl : public FileTaskExecutorDelegate {
public:
explicit FileTaskExecutorDelegateImpl(Profile* profile) : profile_(profile) {
}
FileSystemInterface* GetFileSystem() override {
return util::GetFileSystemByProfile(profile_);
}
DriveServiceInterface* GetDriveService() override {
return util::GetDriveServiceByProfile(profile_);
}
void OpenBrowserWindow(const GURL& open_link) override {
chrome::ScopedTabbedBrowserDisplayer displayer(profile_);
chrome::AddSelectedTabWithURL(displayer.browser(), open_link,
ui::PAGE_TRANSITION_LINK);
// Since the ScopedTabbedBrowserDisplayer does not guarantee that the
// browser will be shown on the active desktop, we ensure the visibility.
multi_user_util::MoveWindowToCurrentDesktop(
displayer.browser()->window()->GetNativeWindow());
}
private:
Profile* const profile_;
};
} // namespace
FileTaskExecutor::FileTaskExecutor(Profile* profile, const std::string& app_id)
: delegate_(new FileTaskExecutorDelegateImpl(profile)),
app_id_(app_id),
current_index_(0),
weak_ptr_factory_(this) {
}
FileTaskExecutor::FileTaskExecutor(
scoped_ptr<FileTaskExecutorDelegate> delegate,
const std::string& app_id)
: delegate_(std::move(delegate)),
app_id_(app_id),
current_index_(0),
weak_ptr_factory_(this) {}
FileTaskExecutor::~FileTaskExecutor() {
}
void FileTaskExecutor::Execute(
const std::vector<FileSystemURL>& file_urls,
const file_manager::file_tasks::FileTaskFinishedCallback& done) {
DCHECK(!file_urls.empty());
done_ = done;
std::vector<base::FilePath> paths;
for (size_t i = 0; i < file_urls.size(); ++i) {
base::FilePath path = util::ExtractDrivePathFromFileSystemUrl(file_urls[i]);
if (path.empty()) {
Done(false);
return;
}
paths.push_back(path);
}
FileSystemInterface* const file_system = delegate_->GetFileSystem();
if (!file_system) {
Done(false);
return;
}
// Reset the index, so we know when we're done.
DCHECK_EQ(current_index_, 0);
current_index_ = paths.size();
for (size_t i = 0; i < paths.size(); ++i) {
file_system->GetResourceEntry(
paths[i],
base::Bind(&FileTaskExecutor::OnFileEntryFetched,
weak_ptr_factory_.GetWeakPtr()));
}
}
void FileTaskExecutor::OnFileEntryFetched(FileError error,
scoped_ptr<ResourceEntry> entry) {
// Here, we are only interested in files.
if (entry.get() && !entry->has_file_specific_info())
error = FILE_ERROR_NOT_FOUND;
DriveServiceInterface* const drive_service = delegate_->GetDriveService();
if (!drive_service || error != FILE_ERROR_OK) {
Done(false);
return;
}
// 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(),
app_id_,
base::Bind(&FileTaskExecutor::OnAppAuthorized,
weak_ptr_factory_.GetWeakPtr(),
entry->resource_id()));
}
void FileTaskExecutor::OnAppAuthorized(const std::string& resource_id,
google_apis::DriveApiErrorCode error,
const GURL& open_link) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (error != google_apis::HTTP_SUCCESS || open_link.is_empty()) {
Done(false);
return;
}
delegate_->OpenBrowserWindow(open_link);
// We're done with this file. If this is the last one, then we're done.
current_index_--;
DCHECK_GE(current_index_, 0);
if (current_index_ == 0)
Done(true);
}
void FileTaskExecutor::Done(bool success) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!done_.is_null())
done_.Run(success
? extensions::api::file_manager_private::TASK_RESULT_OPENED
: extensions::api::file_manager_private::TASK_RESULT_FAILED);
delete this;
}
} // namespace drive
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