Show charging speed when time to full is available

Only shows if translation is available, follow-up
I3e883eeca002e86d4df30c2b238e18bd63bbddea to show in
all locales.

Bug: 24167496
Change-Id: I667cde69e5d5f8aec8ac9fd105bbfb7e118ced64

4 files changed, 56 insertions, 12 deletions

diff --git a/packages/SystemUI/res/values-en/donottranslate.xml b/packages/SystemUI/res/values-en/donottranslate.xml
new file mode 100644
index 000000000000..9f04e1f50b14
--- /dev/null
+++ b/packages/SystemUI/res/values-en/donottranslate.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2015 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
+<resources>
+    <!-- DO NOT TRANSLATE - temporary hack to show the speed-less label if no translation is available -->
+    <item type="string" name="keyguard_indication_charging_time_fast_if_translated">@string/keyguard_indication_charging_time_fast</item>
+    <!-- DO NOT TRANSLATE - temporary hack to show the speed-less label if no translation is available -->
+    <item type="string" name="keyguard_indication_charging_time_slowly_if_translated">@string/keyguard_indication_charging_time_slowly</item>
+</resources>
\ No newline at end of file
diff --git a/packages/SystemUI/res/values/donottranslate.xml b/packages/SystemUI/res/values/donottranslate.xml
index 351a1fdbda07..30ff7043f688 100644
--- a/packages/SystemUI/res/values/donottranslate.xml
+++ b/packages/SystemUI/res/values/donottranslate.xml
@@ -20,4 +20,10 @@
     <!-- Date format for display: should match the lockscreen in /policy.  -->
     <string name="system_ui_date_pattern">@*android:string/system_ui_date_pattern</string>
 
+    <!-- DO NOT TRANSLATE - temporary hack to show the speed-less label if no translation is available -->
+    <item type="string" name="keyguard_indication_charging_time_fast_if_translated">@string/keyguard_indication_charging_time</item>
+
+    <!-- DO NOT TRANSLATE - temporary hack to show the speed-less label if no translation is available -->
+    <item type="string" name="keyguard_indication_charging_time_slowly_if_translated">@string/keyguard_indication_charging_time</item>
+
 </resources>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 3eac84fd4dce..dfa85cee806c 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -793,6 +793,12 @@
     <!-- Indication on the keyguard that is shown when the device is charging. [CHAR LIMIT=40]-->
     <string name="keyguard_indication_charging_time">Charging (<xliff:g id="charging_time_left" example="4 hours and 2 minutes">%s</xliff:g> until full)</string>
 
+    <!-- Indication on the keyguard that is shown when the device is charging rapidly. Should match keyguard_plugged_in_charging_fast [CHAR LIMIT=40]-->
+    <string name="keyguard_indication_charging_time_fast">Charging rapidly (<xliff:g id="charging_time_left" example="4 hours and 2 minutes">%s</xliff:g> until full)</string>
+
+    <!-- Indication on the keyguard that is shown when the device is charging slowly. Should match keyguard_plugged_in_charging_slowly [CHAR LIMIT=40]-->
+    <string name="keyguard_indication_charging_time_slowly">Charging slowly (<xliff:g id="charging_time_left" example="4 hours and 2 minutes">%s</xliff:g> until full)</string>
+
     <!-- Related to user switcher --><skip/>
 
     <!-- Accessibility label for the button that opens the user switcher. -->
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 54f91da18220..50d274d4fcc7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -187,32 +187,41 @@ public class KeyguardIndicationController {
         }
 
         // Try fetching charging time from battery stats.
+        long chargingTimeRemaining = 0;
         try {
-            long chargingTimeRemaining = mBatteryInfo.computeChargeTimeRemaining();
-            if (chargingTimeRemaining > 0) {
-                String chargingTimeFormatted = Formatter.formatShortElapsedTimeRoundingUpToMinutes(
-                        mContext, chargingTimeRemaining);
-                return mContext.getResources().getString(
-                        R.string.keyguard_indication_charging_time, chargingTimeFormatted);
-            }
+            chargingTimeRemaining = mBatteryInfo.computeChargeTimeRemaining();
+
         } catch (RemoteException e) {
             Log.e(TAG, "Error calling IBatteryStats: ", e);
         }
+        final boolean hasChargingTime = chargingTimeRemaining > 0;
 
-        // Fall back to simple charging label.
         int chargingId;
         switch (mChargingSpeed) {
             case KeyguardUpdateMonitor.BatteryStatus.CHARGING_FAST:
-                chargingId = R.string.keyguard_plugged_in_charging_fast;
+                chargingId = hasChargingTime
+                        ? R.string.keyguard_indication_charging_time_fast_if_translated
+                        : R.string.keyguard_plugged_in_charging_fast;
                 break;
             case KeyguardUpdateMonitor.BatteryStatus.CHARGING_SLOWLY:
-                chargingId = R.string.keyguard_plugged_in_charging_slowly;
+                chargingId = hasChargingTime
+                        ? R.string.keyguard_indication_charging_time_slowly_if_translated
+                        : R.string.keyguard_plugged_in_charging_slowly;
                 break;
             default:
-                chargingId = R.string.keyguard_plugged_in;
+                chargingId = hasChargingTime
+                        ? R.string.keyguard_indication_charging_time
+                        : R.string.keyguard_plugged_in;
                 break;
         }
-        return mContext.getResources().getString(chargingId);
+
+        if (hasChargingTime) {
+            String chargingTimeFormatted = Formatter.formatShortElapsedTimeRoundingUpToMinutes(
+                    mContext, chargingTimeRemaining);
+            return mContext.getResources().getString(chargingId, chargingTimeFormatted);
+        } else {
+            return mContext.getResources().getString(chargingId);
+        }
     }
 
     KeyguardUpdateMonitorCallback mUpdateMonitor = new KeyguardUpdateMonitorCallback() {