| Lift freeq's AV media plane out of sleek 90f8b89 nandi 20d ago | 1 | use super::{ |
| 2 | utils::{ |
| 3 | get_context, get_package_manager, has_system_feature, with_attached, JNIEnv, JObject, |
| 4 | JResult, |
| 5 | }, |
| 6 | PackageManager, |
| 7 | }; |
| 8 | |
| 9 | /** |
| 10 | * The Android audio features |
| 11 | */ |
| 12 | #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] |
| 13 | pub enum AudioFeature { |
| 14 | LowLatency, |
| 15 | Output, |
| 16 | Pro, |
| 17 | Microphone, |
| 18 | Midi, |
| 19 | } |
| 20 | |
| 21 | impl From<AudioFeature> for &'static str { |
| 22 | fn from(feature: AudioFeature) -> Self { |
| 23 | use AudioFeature::*; |
| 24 | match feature { |
| 25 | LowLatency => PackageManager::FEATURE_AUDIO_LOW_LATENCY, |
| 26 | Output => PackageManager::FEATURE_AUDIO_OUTPUT, |
| 27 | Pro => PackageManager::FEATURE_AUDIO_PRO, |
| 28 | Microphone => PackageManager::FEATURE_MICROPHONE, |
| 29 | Midi => PackageManager::FEATURE_MIDI, |
| 30 | } |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | impl AudioFeature { |
| 35 | /** |
| 36 | * Check availability of an audio feature using Android Java API |
| 37 | */ |
| 38 | pub fn has(&self) -> Result<bool, String> { |
| 39 | let context = get_context(); |
| 40 | |
| 41 | with_attached(context, |env, activity| { |
| 42 | try_check_system_feature(env, &activity, (*self).into()) |
| 43 | }) |
| 44 | .map_err(|error| error.to_string()) |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | fn try_check_system_feature<'j>( |
| 49 | env: &mut JNIEnv<'j>, |
| 50 | activity: &JObject<'j>, |
| 51 | feature: &str, |
| 52 | ) -> JResult<bool> { |
| 53 | let package_manager = get_package_manager(env, activity)?; |
| 54 | |
| 55 | has_system_feature(env, &package_manager, feature) |
| 56 | } |