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Commit afae4bd4 authored by Jason Monk's avatar Jason Monk
Browse files

Add internal power mode changed broadcast 

This broadcast allows settings to be (rarely) be started by a power
change event.

Settings will have a conditional item informing the user of battery
saving mode, when they dismiss it, the item will not show up again
until after power saving mode has been exited and re-entered.
Settings will catch the exit of power saving mode by enabling a
receiver for this broadcast only when in this state.

Change-Id: I62385413e4b8b004d4e1e0e5ba250730848ba013
parent 16c9a107

core/java/android/os/PowerManager.java

+8 −0
Original line number Diff line number Diff line
@@ -972,6 +972,14 @@ public final class PowerManager { 
    public static final String ACTION_POWER_SAVE_MODE_CHANGED

            = "android.os.action.POWER_SAVE_MODE_CHANGED";



    /**

     * Intent that is broadcast when the state of {@link #isPowerSaveMode()} changes.

     * @hide

     */

    @SdkConstant(SdkConstant.SdkConstantType.BROADCAST_INTENT_ACTION)

    public static final String ACTION_POWER_SAVE_MODE_CHANGED_INTERNAL

            = "android.os.action.POWER_SAVE_MODE_CHANGED_INTERNAL";



    /**

     * Intent that is broadcast when the state of {@link #isDeviceIdleMode()} changes.

     * This broadcast is only sent to registered receivers.

services/core/java/com/android/server/power/PowerManagerService.java

+18 −17
Original line number Diff line number Diff line
@@ -16,21 +16,8 @@ 


package com.android.server.power;



import android.app.ActivityManager;

import android.util.SparseIntArray;

import com.android.internal.app.IAppOpsService;

import com.android.internal.app.IBatteryStats;

import com.android.internal.os.BackgroundThread;

import com.android.server.EventLogTags;

import com.android.server.ServiceThread;

import com.android.server.SystemService;

import com.android.server.am.BatteryStatsService;

import com.android.server.lights.Light;

import com.android.server.lights.LightsManager;

import com.android.server.Watchdog;



import android.Manifest;

import android.app.AppOpsManager;

import android.app.ActivityManager;

import android.content.BroadcastReceiver;

import android.content.ContentResolver;

import android.content.Context;
@@ -65,22 +52,32 @@ import android.provider.Settings; 
import android.service.dreams.DreamManagerInternal;

import android.util.EventLog;

import android.util.Slog;

import android.util.SparseIntArray;

import android.util.TimeUtils;

import android.view.Display;

import android.view.WindowManagerPolicy;

import com.android.internal.app.IAppOpsService;

import com.android.internal.app.IBatteryStats;

import com.android.internal.os.BackgroundThread;

import com.android.server.EventLogTags;

import com.android.server.ServiceThread;

import com.android.server.SystemService;

import com.android.server.Watchdog;

import com.android.server.am.BatteryStatsService;

import com.android.server.lights.Light;

import com.android.server.lights.LightsManager;

import libcore.util.Objects;



import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.Arrays;



import libcore.util.Objects;



import static android.os.PowerManagerInternal.POWER_HINT_INTERACTION;

import static android.os.PowerManagerInternal.WAKEFULNESS_ASLEEP;

import static android.os.PowerManagerInternal.WAKEFULNESS_AWAKE;

import static android.os.PowerManagerInternal.WAKEFULNESS_DREAMING;

import static android.os.PowerManagerInternal.WAKEFULNESS_DOZING;

import static android.os.PowerManagerInternal.WAKEFULNESS_DREAMING;



/**

 * The power manager service is responsible for coordinating power management
@@ -771,6 +768,10 @@ public final class PowerManagerService extends SystemService 
                    intent = new Intent(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);

                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);

                    mContext.sendBroadcast(intent);

                    // Send internal version that requires signature permission.

                    mContext.sendBroadcastAsUser(new Intent(

                            PowerManager.ACTION_POWER_SAVE_MODE_CHANGED_INTERNAL), UserHandle.ALL,

                            Manifest.permission.DEVICE_POWER);

                }

            });

        }