Feat/android more actions (#8496)

* feat: android volume and power actions

Signed-off-by: fufesou <linlong1266@gmail.com>

* Add translations and refact action menus

Signed-off-by: fufesou <linlong1266@gmail.com>

* Remove divider

Signed-off-by: fufesou <linlong1266@gmail.com>

* fix: recover deleted translations

Signed-off-by: fufesou <linlong1266@gmail.com>

---------

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/InputService.kt

@@ -18,7 +18,9 @@ import android.widget.EditText
 import android.view.accessibility.AccessibilityEvent
 import android.view.ViewGroup.LayoutParams
 import android.view.accessibility.AccessibilityNodeInfo
+import android.view.KeyEvent as KeyEventAndroid
 import android.graphics.Rect
+import android.media.AudioManager
 import android.accessibilityservice.AccessibilityServiceInfo
 import android.accessibilityservice.AccessibilityServiceInfo.FLAG_INPUT_METHOD_EDITOR
 import android.accessibilityservice.AccessibilityServiceInfo.FLAG_RETRIEVE_INTERACTIVE_WINDOWS
@@ -75,6 +77,8 @@ class InputService : AccessibilityService() {
 
     private var fakeEditTextForTextStateCalculation: EditText? = null
 
+    private val volumeController: VolumeController by lazy { VolumeController(applicationContext.getSystemService(AUDIO_SERVICE) as AudioManager) }
+
     @RequiresApi(Build.VERSION_CODES.N)
     fun onMouseInput(mask: Int, _x: Int, _y: Int) {
         val x = max(0, _x)
@@ -294,6 +298,18 @@ class InputService : AccessibilityService() {
 
         Log.d(logTag, "onKeyEvent $keyEvent textToCommit:$textToCommit")
 
+        var ke: KeyEventAndroid? = null
+        if (Build.VERSION.SDK_INT < 33 || textToCommit == null) {
+            ke = KeyEventConverter.toAndroidKeyEvent(keyEvent)
+        }
+        ke?.let { event ->
+            if (tryHandleVolumeKeyEvent(event)) {
+                return
+            } else if (tryHandlePowerKeyEvent(event)) {
+                return
+            }
+        }
+
         if (Build.VERSION.SDK_INT >= 33) {
             getInputMethod()?.let { inputMethod ->
                 inputMethod.getCurrentInputConnection()?.let { inputConnection ->
@@ -302,7 +318,7 @@ class InputService : AccessibilityService() {
                             inputConnection.commitText(text, 1, null)
                         }
                     } else {
-                        KeyEventConverter.toAndroidKeyEvent(keyEvent).let { event ->
+                        ke?.let { event ->
                             inputConnection.sendKeyEvent(event)
                         }
                     }
@@ -311,7 +327,7 @@ class InputService : AccessibilityService() {
         } else {
             val handler = Handler(Looper.getMainLooper())
             handler.post {
-                KeyEventConverter.toAndroidKeyEvent(keyEvent)?.let { event ->
+                ke?.let { event ->
                     val possibleNodes = possibleAccessibiltyNodes()
                     Log.d(logTag, "possibleNodes:$possibleNodes")
                     for (item in possibleNodes) {
@@ -325,6 +341,43 @@ class InputService : AccessibilityService() {
         }
     }
 
+    private fun tryHandleVolumeKeyEvent(event: KeyEventAndroid): Boolean {
+        when (event.keyCode) {
+            KeyEventAndroid.KEYCODE_VOLUME_UP -> {
+                if (event.action == KeyEventAndroid.ACTION_DOWN) {
+                    volumeController.raiseVolume(null, true, AudioManager.STREAM_SYSTEM)
+                }
+                return true
+            }
+            KeyEventAndroid.KEYCODE_VOLUME_DOWN -> {
+                if (event.action == KeyEventAndroid.ACTION_DOWN) {
+                    volumeController.lowerVolume(null, true, AudioManager.STREAM_SYSTEM)
+                }
+                return true
+            }
+            KeyEventAndroid.KEYCODE_VOLUME_MUTE -> {
+                if (event.action == KeyEventAndroid.ACTION_DOWN) {
+                    volumeController.toggleMute(true, AudioManager.STREAM_SYSTEM)
+                }
+                return true
+            }
+            else -> {
+                return false
+            }
+        }
+    }
+
+    private fun tryHandlePowerKeyEvent(event: KeyEventAndroid): Boolean {
+        if (event.keyCode == KeyEventAndroid.KEYCODE_POWER) {
+            // Perform power dialog action when action is up
+            if (event.action == KeyEventAndroid.ACTION_UP) {
+                performGlobalAction(GLOBAL_ACTION_POWER_DIALOG);
+            }
+            return true
+        }
+        return false
+    }
+
     private fun insertAccessibilityNode(list: LinkedList<AccessibilityNodeInfo>, node: AccessibilityNodeInfo) {
         if (node == null) {
             return
@@ -422,7 +475,7 @@ class InputService : AccessibilityService() {
         return linkedList
     }
 
-    private fun trySendKeyEvent(event: android.view.KeyEvent, node: AccessibilityNodeInfo, textToCommit: String?): Boolean {
+    private fun trySendKeyEvent(event: KeyEventAndroid, node: AccessibilityNodeInfo, textToCommit: String?): Boolean {
         node.refresh()
         this.fakeEditTextForTextStateCalculation?.setSelection(0,0)
         this.fakeEditTextForTextStateCalculation?.setText(null)
@@ -487,10 +540,10 @@ class InputService : AccessibilityService() {
 
                 it.layout(rect.left, rect.top, rect.right, rect.bottom)
                 it.onPreDraw()
-                if (event.action == android.view.KeyEvent.ACTION_DOWN) {
+                if (event.action == KeyEventAndroid.ACTION_DOWN) {
                     val succ = it.onKeyDown(event.getKeyCode(), event)
                     Log.d(logTag, "onKeyDown $succ")
-                } else if (event.action == android.view.KeyEvent.ACTION_UP) {
+                } else if (event.action == KeyEventAndroid.ACTION_UP) {
                     val success = it.onKeyUp(event.getKeyCode(), event)
                     Log.d(logTag, "keyup $success")
                 } else {}

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/KeyboardKeyEventMapper.kt

@@ -37,6 +37,8 @@ object KeyEventConverter {
             action = KeyEvent.ACTION_UP
         }
 
+        // FIXME: The last parameter is the repeat count, not modifiers ?
+        // https://developer.android.com/reference/android/view/KeyEvent#KeyEvent(long,%20long,%20int,%20int,%20int)
         return KeyEvent(0, 0, action, chrValue, 0, modifiers)
     }
 
@@ -112,6 +114,10 @@ object KeyEventConverter {
             ControlKey.Delete -> KeyEvent.KEYCODE_FORWARD_DEL
             ControlKey.Clear -> KeyEvent.KEYCODE_CLEAR
             ControlKey.Pause -> KeyEvent.KEYCODE_BREAK
+            ControlKey.VolumeMute -> KeyEvent.KEYCODE_VOLUME_MUTE
+            ControlKey.VolumeUp -> KeyEvent.KEYCODE_VOLUME_UP
+            ControlKey.VolumeDown -> KeyEvent.KEYCODE_VOLUME_DOWN
+            ControlKey.Power -> KeyEvent.KEYCODE_POWER
             else -> 0 // Default to unknown.
         }
     }

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/VolumeController.kt

@@ -0,0 +1,78 @@
+package com.carriez.flutter_hbb
+
+// Inspired by https://github.com/yosemiteyss/flutter_volume_controller/blob/main/android/src/main/kotlin/com/yosemiteyss/flutter_volume_controller/VolumeController.kt
+
+import android.media.AudioManager
+import android.os.Build
+import android.util.Log
+
+class VolumeController(private val audioManager: AudioManager) {
+    private val logTag = "volume controller"
+
+    fun getVolume(streamType: Int): Double {
+        val current = audioManager.getStreamVolume(streamType)
+        val max = audioManager.getStreamMaxVolume(streamType)
+        return current.toDouble() / max
+    }
+
+    fun setVolume(volume: Double, showSystemUI: Boolean, streamType: Int) {
+        val max = audioManager.getStreamMaxVolume(streamType)
+        audioManager.setStreamVolume(
+            streamType,
+            (max * volume).toInt(),
+            if (showSystemUI) AudioManager.FLAG_SHOW_UI else 0
+        )
+    }
+
+    fun raiseVolume(step: Double?, showSystemUI: Boolean, streamType: Int) {
+        if (step == null) {
+            audioManager.adjustStreamVolume(
+                streamType,
+                AudioManager.ADJUST_RAISE,
+                if (showSystemUI) AudioManager.FLAG_SHOW_UI else 0
+            )
+        } else {
+            val target = getVolume(streamType) + step
+            setVolume(target, showSystemUI, streamType)
+        }
+    }
+
+    fun lowerVolume(step: Double?, showSystemUI: Boolean, streamType: Int) {
+        if (step == null) {
+            audioManager.adjustStreamVolume(
+                streamType,
+                AudioManager.ADJUST_LOWER,
+                if (showSystemUI) AudioManager.FLAG_SHOW_UI else 0
+            )
+        } else {
+            val target = getVolume(streamType) - step
+            setVolume(target, showSystemUI, streamType)
+        }
+    }
+
+    fun getMute(streamType: Int): Boolean {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            audioManager.isStreamMute(streamType)
+        } else {
+            audioManager.getStreamVolume(streamType) == 0
+        }
+    }
+
+    private fun setMute(isMuted: Boolean, showSystemUI: Boolean, streamType: Int) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            audioManager.adjustStreamVolume(
+                streamType,
+                if (isMuted) AudioManager.ADJUST_MUTE else AudioManager.ADJUST_UNMUTE,
+                if (showSystemUI) AudioManager.FLAG_SHOW_UI else 0
+            )
+        } else {
+            audioManager.setStreamMute(streamType, isMuted)
+        }
+    }
+
+    fun toggleMute(showSystemUI: Boolean, streamType: Int) {
+        val isMuted = getMute(streamType)
+        setMute(!isMuted, showSystemUI, streamType)
+    }
+}
+