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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.
#ifndef CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_
#define CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "chrome/browser/sync/profile_sync_service_observer.h"
class Profile;
class TabContents;
// An interface for prompting a user to sign in to sync so that we can create
// an app notification channel for one of their apps.
class AppNotifyChannelUI {
public:
virtual ~AppNotifyChannelUI() {}
// Used to customize the UI we show.
enum UIType {
// Do not prompt the user with an infobar.
NO_INFOBAR,
// Ask if the app can show notifications.
NOTIFICATION_INFOBAR,
};
class Delegate {
public:
// A callback for whether the user successfully set up sync or not.
virtual void OnSyncSetupResult(bool enabled) = 0;
};
// Shows a prompt for sync setup - |delegate| will be called back later when
// setup is complete or cancelled. This should only be called once per
// instance.
virtual void PromptSyncSetup(Delegate* delegate) = 0;
};
class AppNotifyChannelUIImpl : public AppNotifyChannelUI,
public ProfileSyncServiceObserver {
public:
AppNotifyChannelUIImpl(Profile* profile,
TabContents* tab_contents,
const std::string& app_name,
AppNotifyChannelUI::UIType ui_type);
virtual ~AppNotifyChannelUIImpl();
// AppNotifyChannelUI.
virtual void PromptSyncSetup(AppNotifyChannelUI::Delegate* delegate) OVERRIDE;
protected:
// A private class we use to put up an infobar - its lifetime is managed by
// |tab_contents_|, so we don't have one as an instance variable.
class InfoBar;
friend class AppNotifyChannelUIImpl::InfoBar;
// Called by our InfoBar when it's accepted or cancelled/closed.
void OnInfoBarResult(bool accepted);
// ProfileSyncServiceObserver.
virtual void OnStateChanged() OVERRIDE;
private:
void StartObservingSync();
void StopObservingSync();
Profile* profile_;
TabContents* tab_contents_;
std::string app_name_;
AppNotifyChannelUI::UIType ui_type_;
AppNotifyChannelUI::Delegate* delegate_;
// Have we registered ourself as a ProfileSyncServiceObserver?
bool observing_sync_;
// This is for working around a bug that ProfileSyncService calls
// ProfileSyncServiceObserver::OnStateChanged callback many times
// after ShowLoginDialog is called and before the wizard is
// actually visible to the user. So we record if the wizard was
// shown to user and then wait for wizard to get dismissed.
// See crbug.com/101842.
bool wizard_shown_to_user_;
DISALLOW_COPY_AND_ASSIGN(AppNotifyChannelUIImpl);
};
#endif // CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_
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