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/*
 * Copyright (c) 2010 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <SwifTools/Notifier/Notifier.h>

namespace Swift {
    class TogglableNotifier : public Notifier {
        public:
            TogglableNotifier(Notifier* notifier) : notifier(notifier), persistentEnabled(true), temporarilyDisabled(false) {
            }

            /**
             * Set a long-term (usually user-set) enabled.
             * This may be temporarily overriden by the application, e.g. if the
             * user is marked DND.
             */
            void setPersistentEnabled(bool b) {
                persistentEnabled = b;
            }

            /**
             * Set a temporary override to stop notifications without changing the
             * long-term state. e.g. if the user goes DND, but the persistent
             * enabled shouldn't be lost when they become available again.
             */
            void setTemporarilyDisabled(bool b) {
                temporarilyDisabled = b;
            }

            /**
             * Get the result of applying the temporary override to the persistent
             * enabledness.
             */
            bool getCurrentlyEnabled() const {
                return persistentEnabled && !temporarilyDisabled;
            }

            virtual void showMessage(Type type, const std::string& subject, const std::string& description, const boost::filesystem::path& picture, boost::function<void()> callback) {
                if (getCurrentlyEnabled() || notifier->isExternallyConfigured()) {
                    notifier->showMessage(type, subject, description, picture, callback);
                }
            }

            virtual bool isExternallyConfigured() const {
                return notifier->isExternallyConfigured();
            }

            virtual void purgeCallbacks() {
                notifier->purgeCallbacks();
            }

        private:
            Notifier* notifier;
            bool persistentEnabled;
            bool temporarilyDisabled;
    };
}