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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#ifndef JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
#define JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
//==============================================================================
/**
Contains functions to control the system's master volume.
*/
class JUCE_API SystemAudioVolume
{
public:
//==============================================================================
/** Returns the operating system's current volume level in the range 0 to 1.0 */
static float JUCE_CALLTYPE getGain();
/** Attempts to set the operating system's current volume level.
@param newGain the level, between 0 and 1.0
@returns true if the operation succeeds
*/
static bool JUCE_CALLTYPE setGain (float newGain);
/** Returns true if the system's audio output is currently muted. */
static bool JUCE_CALLTYPE isMuted();
/** Attempts to mute the operating system's audio output.
@param shouldBeMuted true if you want it to be muted
@returns true if the operation succeeds
*/
static bool JUCE_CALLTYPE setMuted (bool shouldBeMuted);
private:
SystemAudioVolume(); // Don't instantiate this class, just call its static fns.
JUCE_DECLARE_NON_COPYABLE (SystemAudioVolume)
};
#endif // JUCE_SYSTEMAUDIOVOLUME_H_INCLUDED
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