WakeLockListener.h

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef WakeLockListener_h_

#define WakeLockListener_h_

#include "nsHashKeys.h"

#include "nsRefPtrHashtable.h"

#include "nsIDOMWakeLockListener.h"

class WakeLockTopic;

/**

 * Receives WakeLock events and simply passes it on to the right WakeLockTopic

 * to inhibit the screensaver.

*/

class WakeLockListener final : public nsIDOMMozWakeLockListener {

 public:

  NS_DECL_ISUPPORTS;

  nsresult Callback(const nsAString& topic, const nsAString& state) override;

  void SetState(const nsAString& topic, bool aBackground, bool aInhibit);

  WakeLockListener();

 private:

  ~WakeLockListener();

  // Map of topic names to |WakeLockTopic|s.

  // We assume a small, finite-sized set of topics.

  nsRefPtrHashtable<nsStringHashKey, WakeLockTopic> mForegroundTopics;

  nsRefPtrHashtable<nsStringHashKey, WakeLockTopic> mBackgroundTopics;

};

#endif  // WakeLockListener_h_