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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 "chrome/browser/chromeos/file_manager/drive_test_util.h"
#include "base/files/file_path.h"
#include "base/run_loop.h"
#include "chrome/browser/chromeos/drive/drive_integration_service.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_context.h"
#include "webkit/browser/fileapi/external_mount_points.h"
namespace file_manager {
namespace test_util {
namespace {
// Helper class used to wait for |OnFileSystemMounted| event from a drive file
// system.
class DriveMountPointWaiter : public drive::DriveIntegrationServiceObserver {
public:
explicit DriveMountPointWaiter(
drive::DriveIntegrationService* integration_service)
: integration_service_(integration_service) {
integration_service_->AddObserver(this);
}
virtual ~DriveMountPointWaiter() {
integration_service_->RemoveObserver(this);
}
// DriveIntegrationServiceObserver override.
virtual void OnFileSystemMounted() OVERRIDE {
// Note that it is OK for |run_loop_.Quit| to be called before
// |run_loop_.Run|. In this case |Run| will return immediately.
run_loop_.Quit();
}
// Runs loop until the file system is mounted.
void Wait() {
run_loop_.Run();
}
private:
drive::DriveIntegrationService* integration_service_;
base::RunLoop run_loop_;
};
} // namespace
void WaitUntilDriveMountPointIsAdded(Profile* profile) {
DCHECK(profile);
// Drive mount point is added by the browser when the drive system service
// is first initialized. It is done asynchronously after some other parts of
// the service are initialized (e.g. resource metadata and cache), thus racy
// with the test start. To handle this raciness, the test verifies that
// drive mount point is added before continuing. If this is not the case,
// drive file system is observed for FileSystemMounted event (by
// |mount_point_waiter|) and test continues once the event is encountered.
drive::DriveIntegrationService* integration_service =
drive::DriveIntegrationServiceFactory::FindForProfileRegardlessOfStates(
profile);
DCHECK(integration_service);
DCHECK(integration_service->is_enabled());
if (integration_service->IsMounted())
return;
DriveMountPointWaiter mount_point_waiter(integration_service);
VLOG(1) << "Waiting for drive mount point to get mounted.";
mount_point_waiter.Wait();
VLOG(1) << "Drive mount point found.";
}
} // namespace test_util
} // namespace file_manager
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