From e31152ee347c2dddeba847ca08bd101ef53d1cce Mon Sep 17 00:00:00 2001
From: Abandoned Cart <twistedumbrella@gmail.com>
Date: Fri, 16 Jun 2023 18:50:36 -0400
Subject: android: Add a PiP interface to mute / unmute

---
 .../yuzu/yuzu_emu/activities/EmulationActivity.kt  | 48 ++++++++++++++++++++++
 .../app/src/main/res/drawable/ic_pip_audio.xml     |  9 ++++
 .../app/src/main/res/drawable/ic_pip_mute.xml      |  9 ++++
 src/android/app/src/main/res/values/strings.xml    |  2 +
 4 files changed, 68 insertions(+)
 create mode 100644 src/android/app/src/main/res/drawable/ic_pip_audio.xml
 create mode 100644 src/android/app/src/main/res/drawable/ic_pip_mute.xml

diff --git a/src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt b/src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt
index f0a6753a9..8a071f4da 100644
--- a/src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt
+++ b/src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt
@@ -63,6 +63,10 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
 
     private val actionPause = "ACTION_EMULATOR_PAUSE"
     private val actionPlay = "ACTION_EMULATOR_PLAY"
+    private val actionMute = "ACTION_EMULATOR_MUTE"
+    private val actionAudio = "ACTION_EMULATOR_AUDIO"
+    private var isAudioMuted = false
+    private var userAudio = IntSetting.AUDIO_VOLUME.int
 
     private val settingsViewModel: SettingsViewModel by viewModels()
 
@@ -305,6 +309,38 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
             pictureInPictureActions.add(pauseRemoteAction)
         }
 
+        if (isAudioMuted) {
+            val audioIcon = Icon.createWithResource(this@EmulationActivity, R.drawable.ic_pip_audio)
+            val audioPendingIntent = PendingIntent.getBroadcast(
+                this@EmulationActivity,
+                R.drawable.ic_pip_audio,
+                Intent(actionAudio),
+                pendingFlags
+            )
+            val audioRemoteAction = RemoteAction(
+                audioIcon,
+                getString(R.string.audio),
+                getString(R.string.audio),
+                audioPendingIntent
+            )
+            pictureInPictureActions.add(audioRemoteAction)
+        } else {
+            val muteIcon = Icon.createWithResource(this@EmulationActivity, R.drawable.ic_pip_mute)
+            val mutePendingIntent = PendingIntent.getBroadcast(
+                this@EmulationActivity,
+                R.drawable.ic_pip_mute,
+                Intent(actionMute),
+                pendingFlags
+            )
+            val muteRemoteAction = RemoteAction(
+                muteIcon,
+                getString(R.string.mute),
+                getString(R.string.mute),
+                mutePendingIntent
+            )
+            pictureInPictureActions.add(muteRemoteAction)
+        }
+
         return this.apply { setActions(pictureInPictureActions) }
     }
 
@@ -326,6 +362,18 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
             } else if (intent.action == actionPause) {
                 if (!NativeLibrary.isPaused()) NativeLibrary.pauseEmulation()
             }
+            if (intent.action == actionAudio) {
+                if (isAudioMuted) {
+                    IntSetting.AUDIO_VOLUME.int = userAudio
+                    isAudioMuted = false
+                }
+            } else if (intent.action == actionMute) {
+                if (!isAudioMuted) {
+                    isAudioMuted = true
+                    userAudio = IntSetting.AUDIO_VOLUME.int
+                    IntSetting.AUDIO_VOLUME.int = 0
+                }
+            }
             buildPictureInPictureParams()
         }
     }
diff --git a/src/android/app/src/main/res/drawable/ic_pip_audio.xml b/src/android/app/src/main/res/drawable/ic_pip_audio.xml
new file mode 100644
index 000000000..f7ed0862e
--- /dev/null
+++ b/src/android/app/src/main/res/drawable/ic_pip_audio.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M3,9v6h4l5,5L12,4L7,9L3,9zM16.5,12c0,-1.77 -1.02,-3.29 -2.5,-4.03v8.05c1.48,-0.73 2.5,-2.25 2.5,-4.02zM14,3.23v2.06c2.89,0.86 5,3.54 5,6.71s-2.11,5.85 -5,6.71v2.06c4.01,-0.91 7,-4.49 7,-8.77s-2.99,-7.86 -7,-8.77z" />
+</vector>
diff --git a/src/android/app/src/main/res/drawable/ic_pip_mute.xml b/src/android/app/src/main/res/drawable/ic_pip_mute.xml
new file mode 100644
index 000000000..a271c5fe8
--- /dev/null
+++ b/src/android/app/src/main/res/drawable/ic_pip_mute.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7,9v6h4l5,5V4l-5,5H7z" />
+</vector>
diff --git a/src/android/app/src/main/res/values/strings.xml b/src/android/app/src/main/res/values/strings.xml
index cc1d8c39d..d4f089c7f 100644
--- a/src/android/app/src/main/res/values/strings.xml
+++ b/src/android/app/src/main/res/values/strings.xml
@@ -387,6 +387,8 @@
     <string name="picture_in_picture_description">Minimize window when placed in the background</string>
     <string name="pause">Pause</string>
     <string name="play">Play</string>
+    <string name="mute">Mute</string>
+    <string name="audio">Audio</string>
 
     <!-- Licenses screen strings -->
     <string name="licenses">Licenses</string>
-- 
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