add some handling for flashlight, sos and stroboscope cancelling each other

app/src/main/kotlin/com/simplemobiletools/flashlight/activities/MainActivity.kt

@@ -39,7 +39,7 @@ class MainActivity : SimpleActivity() {
         appLaunched(BuildConfig.APPLICATION_ID)
 
         mBus = BusProvider.instance
-        changeIconColor(config.backgroundColor.getContrastColor(), stroboscope_btn)
+        changeIconColor(getContrastColor(), stroboscope_btn)
 
         bright_display_btn.setOnClickListener {
             startActivity(Intent(applicationContext, BrightDisplayActivity::class.java))
@@ -66,7 +66,7 @@ class MainActivity : SimpleActivity() {
         mCameraImpl!!.handleCameraSetup()
         checkState(MyCameraImpl.isFlashlightOn)
 
-        val contrastColor = config.backgroundColor.getContrastColor()
+        val contrastColor = getContrastColor()
         changeIconColor(contrastColor, bright_display_btn)
         bright_display_btn.beVisibleIf(config.brightDisplay)
         sos_btn.beVisibleIf(config.sos)
@@ -202,14 +202,18 @@ class MainActivity : SimpleActivity() {
 
     private fun cameraPermissionGranted(isSOS: Boolean) {
         if (isSOS) {
+            val isSOSRunning = mCameraImpl!!.toggleSOS()
+            sos_btn.setTextColor(if (isSOSRunning) getAdjustedPrimaryColor() else getContrastColor())
         } else {
             if (mCameraImpl!!.toggleStroboscope()) {
                 stroboscope_bar.beInvisibleIf(stroboscope_bar.isVisible())
-                changeIconColor(if (stroboscope_bar.isVisible()) getAdjustedPrimaryColor() else config.backgroundColor.getContrastColor(), stroboscope_btn)
+                changeIconColor(if (stroboscope_bar.isVisible()) getAdjustedPrimaryColor() else getContrastColor(), stroboscope_btn)
             }
         }
     }
 
+    private fun getContrastColor() = config.backgroundColor.getContrastColor()
+
     private fun releaseCamera() {
         mCameraImpl?.releaseCamera()
         mCameraImpl = null
@@ -220,6 +224,17 @@ class MainActivity : SimpleActivity() {
         checkState(event.isEnabled)
     }
 
+    @Subscribe
+    fun stopStroboscope(event: Events.StopStroboscope) {
+        stroboscope_bar.beInvisible()
+        changeIconColor(getContrastColor(), stroboscope_btn)
+    }
+
+    @Subscribe
+    fun stopSOS(event: Events.StopSOS) {
+        sos_btn.setTextColor(getContrastColor())
+    }
+
     private fun checkState(isEnabled: Boolean) {
         if (isEnabled) {
             enableFlashlight()
@@ -233,12 +248,12 @@ class MainActivity : SimpleActivity() {
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         mIsFlashlightOn = true
 
-        changeIconColor(config.backgroundColor.getContrastColor(), stroboscope_btn)
+        changeIconColor(getContrastColor(), stroboscope_btn)
         stroboscope_bar.beInvisible()
     }
 
     private fun disableFlashlight() {
-        changeIconColor(config.backgroundColor.getContrastColor(), flashlight_btn)
+        changeIconColor(getContrastColor(), flashlight_btn)
         window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
         mIsFlashlightOn = false
     }

app/src/main/kotlin/com/simplemobiletools/flashlight/helpers/MyCameraImpl.kt

@@ -31,6 +31,8 @@ class MyCameraImpl(val context: Context) {
         private var shouldStroboscopeStop = false
         @Volatile
         private var isStroboscopeRunning = false
+        @Volatile
+        private var isSOSRunning = false
 
         fun newInstance(context: Context) = MyCameraImpl(context)
     }
@@ -78,6 +80,25 @@ class MyCameraImpl(val context: Context) {
 
     fun stopStroboscope() {
         shouldStroboscopeStop = true
+        bus!!.post(Events.StopStroboscope())
+    }
+
+    fun toggleSOS(): Boolean {
+        if (isStroboscopeRunning) {
+            stopStroboscope()
+        }
+
+        if (isFlashlightOn) {
+            disableFlashlight()
+        }
+
+        isSOSRunning = !isSOSRunning
+        return isSOSRunning
+    }
+
+    fun stopSOS() {
+        isSOSRunning = false
+        bus!!.post(Events.StopSOS())
     }
 
     fun handleCameraSetup() {
@@ -95,8 +116,9 @@ class MyCameraImpl(val context: Context) {
     }
 
     private fun setupCamera() {
-        if (isMarshmallow)
+        if (isMarshmallow) {
             return
+        }
 
         if (camera == null) {
             initCamera()
@@ -112,7 +134,6 @@ class MyCameraImpl(val context: Context) {
         } catch (e: Exception) {
             bus!!.post(Events.CameraUnavailable())
         }
-
     }
 
     private fun checkFlashlight() {
@@ -128,6 +149,12 @@ class MyCameraImpl(val context: Context) {
     }
 
     fun enableFlashlight() {
+        if (isSOSRunning) {
+            shouldEnableFlashlight = true
+            stopSOS()
+            return
+        }
+
         shouldStroboscopeStop = true
         if (isStroboscopeRunning) {
             shouldEnableFlashlight = true

app/src/main/kotlin/com/simplemobiletools/flashlight/models/Events.kt

@@ -4,4 +4,8 @@ class Events {
     class StateChanged(val isEnabled: Boolean)
 
     class CameraUnavailable
+
+    class StopStroboscope
+
+    class StopSOS
 }