Merge "Refine the update process of battery tip" into pi-dev

src/com/android/settings/fuelgauge/PowerUsageSummary.java

@@ -105,6 +105,8 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
     SparseArray<List<Anomaly>> mAnomalySparseArray;
     @VisibleForTesting
     BatteryHeaderPreferenceController mBatteryHeaderPreferenceController;
+    @VisibleForTesting
+    boolean mNeedUpdateBatteryTip;
     private BatteryTipPreferenceController mBatteryTipPreferenceController;
     private int mStatsType = BatteryStats.STATS_SINCE_CHARGED;
 
@@ -211,6 +213,8 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
         mAnomalySparseArray = new SparseArray<>();
 
         restartBatteryInfoLoader();
+        mNeedUpdateBatteryTip = icicle == null;
+        mBatteryTipPreferenceController.restoreInstanceState(icicle);
     }
 
     @Override
@@ -291,7 +295,12 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
             return;
         }
 
-        restartBatteryTipLoader();
+        // Only skip BatteryTipLoader for the first time when device is rotated
+        if (mNeedUpdateBatteryTip) {
+            restartBatteryTipLoader();
+        } else {
+            mNeedUpdateBatteryTip = true;
+        }
 
         // reload BatteryInfo and updateUI
         restartBatteryInfoLoader();
@@ -385,6 +394,12 @@ public class PowerUsageSummary extends PowerUsageBase implements OnLongClickList
         restartBatteryStatsLoader(true /* clearHeader */);
     }
 
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mBatteryTipPreferenceController.saveInstanceState(outState);
+    }
+
     void restartBatteryStatsLoader(boolean clearHeader) {
         super.restartBatteryStatsLoader();
         if (clearHeader) {

src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceController.java

@@ -17,8 +17,8 @@
 package com.android.settings.fuelgauge.batterytip;
 
 import android.content.Context;
+import android.os.Bundle;
 import android.support.annotation.VisibleForTesting;
-import android.support.v14.preference.PreferenceFragment;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceGroup;
 import android.support.v7.preference.PreferenceScreen;
@@ -34,6 +34,7 @@ import com.android.settings.fuelgauge.batterytip.tips.SummaryTip;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -44,6 +45,7 @@ import java.util.Map;
 public class BatteryTipPreferenceController extends BasePreferenceController {
     private static final String TAG = "BatteryTipPreferenceController";
     private static final int REQUEST_ANOMALY_ACTION = 0;
+    private static final String KEY_BATTERY_TIPS = "key_battery_tips";
 
     private BatteryTipListener mBatteryTipListener;
     private List<BatteryTip> mBatteryTips;
@@ -138,6 +140,17 @@ public class BatteryTipPreferenceController extends BasePreferenceController {
         return super.handlePreferenceTreeClick(preference);
     }
 
+    public void restoreInstanceState(Bundle bundle) {
+        if (bundle != null) {
+            List<BatteryTip> batteryTips = bundle.getParcelableArrayList(KEY_BATTERY_TIPS);
+            updateBatteryTips(batteryTips);
+        }
+    }
+
+    public void saveInstanceState(Bundle outState) {
+        outState.putParcelableList(KEY_BATTERY_TIPS, mBatteryTips);
+    }
+
     /**
      * Listener to give the control back to target fragment
      */

src/com/android/settings/fuelgauge/batterytip/tips/RestrictAppTip.java

@@ -98,6 +98,9 @@ public class RestrictAppTip extends BatteryTip {
             // If anomaly becomes invisible, show it as handled
             mState = StateType.HANDLED;
             mShowDialog = false;
+        } else {
+            mState = tip.getState();
+            mShowDialog = tip.shouldShowDialog();
         }
     }
 

tests/robotests/src/com/android/settings/fuelgauge/PowerUsageSummaryTest.java

@@ -352,6 +352,14 @@ public class PowerUsageSummaryTest {
                 R.string.advanced_battery_title);
     }
 
+    @Test
+    public void testRefreshUi_deviceRotate_doNotUpdateBatteryTip() {
+        mFragment.mNeedUpdateBatteryTip = false;
+        mFragment.refreshUi();
+
+        verify(mFragment, never()).restartBatteryTipLoader();
+    }
+
     public static class TestFragment extends PowerUsageSummary {
         private Context mContext;
 
@@ -364,12 +372,6 @@ public class PowerUsageSummaryTest {
             return mContext;
         }
 
-
-        @Override
-        protected void refreshUi() {
-            // Leave it empty for toggle apps menu test
-        }
-
         @Override
         void showBothEstimates() {
             List<BatteryInfo> fakeBatteryInfo = new ArrayList<>(2);

tests/robotests/src/com/android/settings/fuelgauge/batterytip/BatteryTipPreferenceControllerTest.java

@@ -28,6 +28,7 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
+import android.os.Bundle;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceCategory;
 import android.support.v7.preference.PreferenceGroup;
@@ -133,6 +134,21 @@ public class BatteryTipPreferenceControllerTest {
                 BatteryTip.StateType.NEW);
     }
 
+    @Test
+    public void testSaveAndRestore() {
+        mBatteryTipPreferenceController.updateBatteryTips(mOldBatteryTips);
+        final Bundle bundle = new Bundle();
+        mBatteryTipPreferenceController.saveInstanceState(bundle);
+
+        final BatteryTipPreferenceController controller = new BatteryTipPreferenceController(
+                mContext, KEY_PREF, mSettingsActivity, mFragment, mBatteryTipListener);
+        controller.mPreferenceGroup = mPreferenceGroup;
+        controller.mPrefContext = mContext;
+        controller.restoreInstanceState(bundle);
+
+        assertOnlyContainsSummaryTip(mPreferenceGroup);
+    }
+
     @Test
     public void testHandlePreferenceTreeClick_noDialog_invokeCallback() {
         when(mBatteryTip.getType()).thenReturn(SMART_BATTERY_MANAGER);

tests/robotests/src/com/android/settings/fuelgauge/batterytip/tips/RestrictAppTipTest.java

@@ -148,6 +148,13 @@ public class RestrictAppTipTest {
         assertThat(mNewBatteryTip.getState()).isEqualTo(BatteryTip.StateType.HANDLED);
     }
 
+    @Test
+    public void update_handledAnomlayBecomeInvisible_stateInvisible() {
+        mHandledBatteryTip.updateState(mInvisibleBatteryTip);
+
+        assertThat(mHandledBatteryTip.getState()).isEqualTo(BatteryTip.StateType.INVISIBLE);
+    }
+
     @Test
     public void update_newAnomalyComes_stateNew() {
         mInvisibleBatteryTip.updateState(mNewBatteryTip);