Merge "Update status bar icon colours..." into main (e7722f3f) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/desktopmode/DesktopWallpaperActivity.kt

+38 −0

Original line number	Diff line number	Diff line
		@@ -17,12 +17,16 @@
		package com.android.wm.shell.desktopmode

		import android.app.TaskInfo
		import android.app.WallpaperColors
		import android.app.WallpaperManager
		import android.content.ComponentName
		import android.os.Bundle
		import android.util.Log
		import android.view.WindowManager
		import android.window.DesktopExperienceFlags
		import androidx.activity.addCallback
		import androidx.core.view.WindowCompat
		import androidx.core.view.WindowInsetsControllerCompat
		import androidx.fragment.app.FragmentActivity

		/**
		@@ -36,6 +40,13 @@ import androidx.fragment.app.FragmentActivity
		*/
		class DesktopWallpaperActivity : FragmentActivity() {

		private var wallpaperManager: WallpaperManager? = null

		private val wallpaperColorsListener =
		WallpaperManager.OnColorsChangedListener { colors, which ->
		updateStatusBarIconColors(colors)
		}

		override fun onCreate(savedInstanceState: Bundle?) {
		super.onCreate(savedInstanceState)
		Log.d(TAG, "onCreate")
		@@ -55,6 +66,20 @@ class DesktopWallpaperActivity : FragmentActivity() {
		) {
		onBackPressedDispatcher.addCallback(this) { moveTaskToBack(true) }
		}

		// Handle wallpaper color changes
		wallpaperManager = getSystemService(WallpaperManager::class.java)
		wallpaperManager?.addOnColorsChangedListener(wallpaperColorsListener, mainThreadHandler)

		// Set the initial color of status bar icons on activity creation.
		updateStatusBarIconColors(
		wallpaperManager?.getWallpaperColors(WallpaperManager.FLAG_SYSTEM)
		)
		}

		override fun onDestroy() {
		super.onDestroy()
		wallpaperManager?.removeOnColorsChangedListener(wallpaperColorsListener)
		}

		override fun onTopResumedActivityChanged(isTopResumedActivity: Boolean) {
		@@ -73,6 +98,19 @@ class DesktopWallpaperActivity : FragmentActivity() {
		}
		}

		/** Set the status bar icon colours depending on wallpaper hint. */
		private fun updateStatusBarIconColors(wallpaperColors: WallpaperColors?) {
		wallpaperColors?.colorHints?.let {
		getWindowInsetsController().isAppearanceLightStatusBars =
		(it and WallpaperColors.HINT_SUPPORTS_DARK_TEXT) != 0
		}
		}

		private fun getWindowInsetsController(): WindowInsetsControllerCompat {
		val window = getWindow()
		return WindowCompat.getInsetsController(window, window.decorView)
		}

		companion object {
		private const val TAG = "DesktopWallpaperActivity"
		private const val SYSTEM_UI_PACKAGE_NAME = "com.android.systemui"