Add toolbar dropdown to switch window color mode (Normal / P3 / HDR)

Differential Revision: D110335770

fbshipit-source-id: e4509c6800e4b7df5d3aac34b661235e3a606ede

Author: oprisnik

samples/showcase/src/main/java/com/facebook/fresco/samples/showcase/MainActivity.kt

@@ -7,11 +7,15 @@
 
 package com.facebook.fresco.samples.showcase
 
+import android.annotation.SuppressLint
+import android.content.pm.ActivityInfo
 import android.graphics.Color
+import android.os.Build
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.widget.Spinner
 import androidx.activity.result.PickVisualMediaRequest
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.ActionBarDrawerToggle
@@ -22,6 +26,7 @@ import androidx.core.view.GravityCompat
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.fragment.app.Fragment
 import androidx.preference.PreferenceManager
+import com.facebook.fresco.samples.showcase.common.SpinnerUtils.setupWithList
 import com.facebook.fresco.samples.showcase.permissions.StoragePermissionHelper
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.snackbar.Snackbar
@@ -38,6 +43,23 @@ class MainActivity : AppCompatActivity() {
         ShowcaseProvider.imageUriProvider.customUris = it
       }
 
+  @get:SuppressLint("InlinedApi")
+  private val colorModeOptions: Pair<List<Pair<String, Int>>, String>
+    get() =
+        Pair(
+            buildList {
+              add(getString(R.string.color_mode_option_normal) to ActivityInfo.COLOR_MODE_DEFAULT)
+              add(
+                  getString(R.string.color_mode_option_p3) to
+                      ActivityInfo.COLOR_MODE_WIDE_COLOR_GAMUT
+              )
+              if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+                add(getString(R.string.color_mode_option_hdr) to ActivityInfo.COLOR_MODE_HDR)
+              }
+            },
+            getString(R.string.color_mode_group_window),
+        )
+
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     ShowcaseProvider.initIfNeeded(this)
@@ -104,6 +126,14 @@ class MainActivity : AppCompatActivity() {
 
   override fun onCreateOptionsMenu(menu: Menu): Boolean {
     menuInflater.inflate(R.menu.main, menu)
+    val colorModeItem = menu.findItem(R.id.action_color_mode)
+    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.O) {
+      (colorModeItem.actionView as? Spinner)?.setupWithList(colorModeOptions) { colorMode ->
+        window.colorMode = colorMode
+      }
+    } else {
+      colorModeItem.isVisible = false
+    }
     // the support toolbar should probably do this by default
     val styles =
         obtainStyledAttributes(

samples/showcase/src/main/res/menu/main.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto">
+  <item android:id="@+id/action_color_mode"
+      android:title="@string/action_window_color_mode"
+      android:orderInCategory="100"
+      app:actionViewClass="android.widget.Spinner"
+      app:showAsAction="always"
+      />
   <item android:id="@+id/action_prev_image"
       android:title="Previous"
       android:orderInCategory="101"

samples/showcase/src/main/res/values/strings.xml

@@ -9,6 +9,11 @@
 
   <string name="action_settings">Settings</string>
   <string name="action_select_custom_images" description="Toolbar action label that lets the user pick local images to display across the Showcase gallery and list examples">Select Custom Images</string>
+  <string name="action_window_color_mode" description="Toolbar dropdown label for switching the Showcase window color mode between Normal, P3 (wide color gamut) and HDR">Window color mode</string>
+  <string name="color_mode_group_window" description="Prefix shown before each color mode option in the toolbar dropdown, indicating the option applies to the app window">Window</string>
+  <string name="color_mode_option_normal" description="Color mode dropdown option for the default (standard) window color mode">Normal</string>
+  <string name="color_mode_option_p3" description="Color mode dropdown option for the P3 wide color gamut window color mode">P3</string>
+  <string name="color_mode_option_hdr" description="Color mode dropdown option for the HDR (high dynamic range) window color mode">HDR</string>
 
   <string name="vito_simple_help">Basic Vito example that just sets the image URI.</string>