Add high power whitelist for apps

 - Strings not final!
 - New UX for power usage details (more preferency)
 - Add high power apps list shows on/off and screen to
   change (when possible)
 - Link from power usage summary to high power list
 - Link from advanced apps to high power list

Bug: 19991702
Change-Id: I97c927ed82d3b89041e4429b427508545763d66c

1 files changed, 48 insertions, 22 deletions

diff --git a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
index b615ffd..0bf85b5 100644
--- a/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
+++ b/src/com/android/settings/fuelgauge/BatteryHistoryPreference.java
@@ -19,10 +19,16 @@ package com.android.settings.fuelgauge;
 import android.content.Context;
 import android.content.Intent;
 import android.os.BatteryStats;
+import android.os.Bundle;
 import android.preference.Preference;
+import android.preference.PreferenceScreen;
+import android.util.AttributeSet;
 import android.view.View;
 import android.view.ViewGroup;
+
+import com.android.internal.os.BatteryStatsHelper;
 import com.android.settings.R;
+import com.android.settings.SettingsActivity;
 
 /**
  * Custom preference for displaying power consumption as a bar and an icon on the left for the
@@ -31,38 +37,60 @@ import com.android.settings.R;
  */
 public class BatteryHistoryPreference extends Preference {
 
-    final private BatteryStats mStats;
-    final private Intent mBatteryBroadcast;
+    protected static final String BATTERY_HISTORY_FILE = "tmp_bat_history.bin";
+
+    private BatteryStats mStats;
+    private Intent mBatteryBroadcast;
 
-    private boolean mHideLabels;
-    private View mLabelHeader;
     private BatteryHistoryChart mChart;
+    private BatteryStatsHelper mHelper;
 
-    public BatteryHistoryPreference(Context context, BatteryStats stats, Intent batteryBroadcast) {
-        super(context);
-        setLayoutResource(R.layout.preference_batteryhistory);
-        mStats = stats;
-        mBatteryBroadcast = batteryBroadcast;
+    public BatteryHistoryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
     }
 
-    BatteryStats getStats() {
-        return mStats;
+    @Override
+    public void performClick(PreferenceScreen preferenceScreen) {
+        if (!isEnabled()) {
+            return;
+        }
+        mHelper.storeStatsHistoryInFile(BATTERY_HISTORY_FILE);
+        Bundle args = new Bundle();
+        args.putString(BatteryHistoryDetail.EXTRA_STATS, BATTERY_HISTORY_FILE);
+        args.putParcelable(BatteryHistoryDetail.EXTRA_BROADCAST,
+                mHelper.getBatteryBroadcast());
+        if (getContext() instanceof SettingsActivity) {
+            SettingsActivity sa = (SettingsActivity) getContext();
+            sa.startPreferencePanel(BatteryHistoryDetail.class.getName(), args,
+                    R.string.history_details_title, null, null, 0);
+        }
     }
 
-    public void setHideLabels(boolean hide) {
-        if (mHideLabels != hide) {
-            mHideLabels = hide;
-            if (mLabelHeader != null) {
-                mLabelHeader.setVisibility(hide ? View.GONE : View.VISIBLE);
-            }
+    public void setStats(BatteryStatsHelper batteryStats) {
+        // Clear out the chart to receive new data.
+        mChart = null;
+        mHelper = batteryStats;
+        mStats = batteryStats.getStats();
+        mBatteryBroadcast = batteryStats.getBatteryBroadcast();
+        if (getLayoutResource() != R.layout.battery_history_chart) {
+            // Now we should have some data, set the layout we want.
+            setLayoutResource(R.layout.battery_history_chart);
         }
+        notifyChanged();
+    }
+
+    BatteryStats getStats() {
+        return mStats;
     }
 
     @Override
     protected void onBindView(View view) {
         super.onBindView(view);
 
-        BatteryHistoryChart chart = (BatteryHistoryChart)view.findViewById(
+        if (mStats == null) {
+            return;
+        }
+        BatteryHistoryChart chart = (BatteryHistoryChart) view.findViewById(
                 R.id.battery_history_chart);
         if (mChart == null) {
             // First time: use and initialize this chart.
@@ -71,15 +99,13 @@ public class BatteryHistoryPreference extends Preference {
         } else {
             // All future times: forget the newly inflated chart, re-use the
             // already initialized chart from last time.
-            ViewGroup parent = (ViewGroup)chart.getParent();
+            ViewGroup parent = (ViewGroup) chart.getParent();
             int index = parent.indexOfChild(chart);
             parent.removeViewAt(index);
             if (mChart.getParent() != null) {
-                ((ViewGroup)mChart.getParent()).removeView(mChart);
+                ((ViewGroup) mChart.getParent()).removeView(mChart);
             }
             parent.addView(mChart, index);
         }
-        mLabelHeader = view.findViewById(R.id.labelsHeader);
-        mLabelHeader.setVisibility(mHideLabels ? View.GONE : View.VISIBLE);
     }
 }