From 611994e01f893b84f14faaa990c710608cb09b47 Mon Sep 17 00:00:00 2001
From: Jason Monk <jmonk@google.com>
Date: Thu, 25 Feb 2016 16:46:55 -0500
Subject: [PATCH] Add unavailable state to the flashlight icon

Bug: 26851684
Change-Id: I08c438aaef3e5f0731fbd1b5fef79c87c75d3022
---
 packages/SystemUI/res/values/strings.xml               |  2 ++
 .../com/android/systemui/qs/tiles/FlashlightTile.java  | 18 +++++++++++++++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 8bfd943dcedc..51b669c211ce 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -497,6 +497,8 @@
     <string name="accessibility_quick_settings_less_time">Less time.</string>
     <!-- Content description of the flashlight tile in quick settings when off (not shown on the screen). [CHAR LIMIT=NONE] -->
     <string name="accessibility_quick_settings_flashlight_off">Flashlight off.</string>
+    <!-- Content description of the flashlight tile in quick settings when unavailable (not shown on the screen). [CHAR LIMIT=NONE] -->
+    <string name="accessibility_quick_settings_flashlight_unavailable">Flashlight unavailable.</string>
     <!-- Content description of the flashlight tile in quick settings when on (not shown on the screen). [CHAR LIMIT=NONE] -->
     <string name="accessibility_quick_settings_flashlight_on">Flashlight on.</string>
     <!-- Announcement made when the flashlight state changes to off (not shown on the screen). [CHAR LIMIT=NONE] -->
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
index c10843a30547..e4e379058399 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/FlashlightTile.java
@@ -17,9 +17,11 @@
 package com.android.systemui.qs.tiles;
 
 import android.app.ActivityManager;
-
 import android.content.Intent;
+import android.graphics.drawable.Drawable;
 import android.provider.MediaStore;
+import android.text.SpannableStringBuilder;
+import android.text.style.ForegroundColorSpan;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.logging.MetricsProto.MetricsEvent;
 import com.android.systemui.R;
@@ -79,9 +81,19 @@ public class FlashlightTile extends QSTile<QSTile.BooleanState> implements
 
     @Override
     protected void handleUpdateState(BooleanState state, Object arg) {
-        // TODO: Flashlight available handling...
-//        state.visible = mFlashlightController.isAvailable();
         state.label = mHost.getContext().getString(R.string.quick_settings_flashlight_label);
+        if (!mFlashlightController.isAvailable()) {
+            Drawable icon = mHost.getContext().getDrawable(R.drawable.ic_signal_flashlight_disable);
+            final int disabledColor = mHost.getContext().getColor(R.color.qs_tile_tint_unavailable);
+            icon.setTint(disabledColor);
+            state.icon = new DrawableIcon(icon);
+            state.label = new SpannableStringBuilder().append(state.label,
+                    new ForegroundColorSpan(disabledColor),
+                    SpannableStringBuilder.SPAN_INCLUSIVE_INCLUSIVE);
+            state.contentDescription = mContext.getString(
+                    R.string.accessibility_quick_settings_flashlight_unavailable);
+            return;
+        }
         if (arg instanceof Boolean) {
             boolean value = (Boolean) arg;
             if (value == state.value) {
-- 
2.11.0