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// Copyright 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.
#ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
#define CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
#include "google_apis/gaia/oauth2_token_service.h"
class Profile;
namespace extensions {
class WebstoreStandaloneInstaller;
}
namespace chromeos {
// Launches the app at startup. The flow roughly looks like this:
// First call Initialize():
// - Attempts to load oauth token file. Stores the loaded tokens in
// |auth_params_|.
// - Initialize token service and inject |auth_params_| if needed.
// - Initialize network if app is not installed or not offline_enabled.
// - If network is online, install or update the app as needed.
// - After the app is installed/updated, launch it and finish the flow;
// Report OnLauncherInitialized() or OnLaunchFailed() to observers:
// - If all goes good, launches the app and finish the flow;
class StartupAppLauncher
: public base::SupportsWeakPtr<StartupAppLauncher>,
public OAuth2TokenService::Observer {
public:
class Delegate {
public:
// Invoked to perform actual network initialization work. Note the app
// launch flow is paused until ContinueWithNetworkReady is called.
virtual void InitializeNetwork() = 0;
// Returns true if Internet is online.
virtual bool IsNetworkReady() = 0;
virtual void OnLoadingOAuthFile() = 0;
virtual void OnInitializingTokenService() = 0;
virtual void OnInstallingApp() = 0;
virtual void OnReadyToLaunch() = 0;
virtual void OnLaunchSucceeded() = 0;
virtual void OnLaunchFailed(KioskAppLaunchError::Error error) = 0;
virtual bool IsShowingNetworkConfigScreen() = 0;
protected:
virtual ~Delegate() {}
};
StartupAppLauncher(Profile* profile,
const std::string& app_id,
bool diagnostic_mode,
Delegate* delegate);
virtual ~StartupAppLauncher();
// Prepares the environment for an app launch.
void Initialize();
// Continues the initialization after network is ready.
void ContinueWithNetworkReady();
// Launches the app after the initialization is successful.
void LaunchApp();
// Restarts launcher;
void RestartLauncher();
private:
// OAuth parameters from /home/chronos/kiosk_auth file.
struct KioskOAuthParams {
std::string refresh_token;
std::string client_id;
std::string client_secret;
};
void OnLaunchSuccess();
void OnLaunchFailure(KioskAppLaunchError::Error error);
void MaybeInstall();
// Callbacks from ExtensionUpdater.
void OnUpdateCheckFinished();
void BeginInstall();
void InstallCallback(bool success, const std::string& error);
void OnReadyToLaunch();
void UpdateAppData();
void InitializeTokenService();
void MaybeInitializeNetwork();
void StartLoadingOAuthFile();
static void LoadOAuthFileOnBlockingPool(KioskOAuthParams* auth_params);
void OnOAuthFileLoaded(KioskOAuthParams* auth_params);
// OAuth2TokenService::Observer overrides.
virtual void OnRefreshTokenAvailable(const std::string& account_id) OVERRIDE;
virtual void OnRefreshTokensLoaded() OVERRIDE;
Profile* profile_;
const std::string app_id_;
const bool diagnostic_mode_;
Delegate* delegate_;
bool network_ready_handled_;
int install_attempt_;
bool ready_to_launch_;
scoped_refptr<extensions::WebstoreStandaloneInstaller> installer_;
KioskOAuthParams auth_params_;
DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
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