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- // Copyright 2018 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.
- module ash.mojom;
- // Interface to control system volume through Ash.
- interface AssistantVolumeControl {
- // Sets system volume to |volume|, which is between 0 - 100.
- SetVolume(int32 volume, bool user_initiated);
- // Sets mute state to |muted|.
- SetMuted(bool muted);
- // Adds volume observer. The observer will be immediately notified of volume
- // and mute status when added.
- AddVolumeObserver(pending_remote<VolumeObserver> observer);
- };
- // Observes volume state changes.
- interface VolumeObserver {
- // Called when volume is updated.
- OnVolumeChanged(int32 volume);
- // Called when mute state changed.
- OnMuteStateChanged(bool muted);
- };
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