internal StreamFocusStateChangedEventArgs(AudioStreamFocusOptions options,
AudioStreamFocusState focusState, AudioStreamFocusChangedReason reason, string extraInfo)
{
FocusOptions = options;
FocusState = focusState;
Reason = reason;
ExtraInfo = extraInfo;
}
internal AudioStreamPolicyFocusStateChangedEventArgs(AudioStreamFocusOptions options,
AudioStreamFocusState state, AudioStreamFocusChangedReason reason,
AudioStreamBehaviors behaviors, string extraInfo)
{
FocusOptions = options;
FocusState = state;
Reason = reason;
Behaviors = behaviors;
ExtraInfo = extraInfo;
}
/// <summary>
/// Releases the acquired focus.
/// </summary>
/// <param name="options">The focus mask that you want to release.</param>
/// <param name="behaviors">The requesting behaviors.</param>
/// <param name="extraInfo">The extra information for this request. This value can be null.</param>
/// <exception cref="ArgumentException"><paramref name="options"/> is zero.</exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="options"/> contain a invalid bit.<br/>
/// -or-<br/>
/// <paramref name="behaviors"/> contain a invalid bit.
/// </exception>
/// <exception cref="InvalidOperationException">The focus has not been acquired.</exception>
/// <exception cref="ObjectDisposedException">The <see cref="AudioStreamPolicy"/> has already been disposed of.</exception>
/// <since_tizen> 3 </since_tizen>
public void ReleaseFocus(AudioStreamFocusOptions options, AudioStreamBehaviors behaviors, string extraInfo)
{
if (options == 0)
{
throw new ArgumentException("options can't be zero.", nameof(options));
}
if (options.IsValid() == false)
{
throw new ArgumentOutOfRangeException(nameof(options), options, "options contains a invalid bit.");
}
if (behaviors.IsValid() == false)
{
throw new ArgumentOutOfRangeException(nameof(behaviors), behaviors, "behaviors contains a invalid bit.");
}
Interop.AudioStreamPolicy.ReleaseFocus(Handle, options, behaviors, extraInfo).
ThrowIfError("Failed to release focus");
}
internal static extern AudioManagerError AddFocusStateWatchCallback(AudioStreamFocusOptions focusMask,
FocusStateWatchCallback callback, IntPtr userData, out int id);
internal static extern AudioManagerError ReleaseFocus(AudioStreamPolicyHandle streamInfo,
AudioStreamFocusOptions focusMask, AudioStreamBehaviors audioStreamBehavior, string extraInfo);
internal static bool IsValid(this AudioStreamFocusOptions value)
{
int mask = (int)(AudioStreamFocusOptions.Playback | AudioStreamFocusOptions.Recording);
return((mask & (int)value) != 0);
}
