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Commit 1c633fc8 authored by Dianne Hackborn's avatar Dianne Hackborn
Browse files

Implement API to have new broadcasts replace existing broadcasts. 

Use this in various places where it should serve no purpose to deliver
both broadcasts.  This is intended to reduce somewhat the flurry of
broadcasts that we churn through during boot.
parent 19553241

api/current.xml

+11 −0
Original line number Diff line number Diff line
@@ -37304,6 +37304,17 @@ 
 visibility="public"

>

</field>

<field name="FLAG_RECEIVER_REPLACE_PENDING"

 type="int"

 transient="false"

 volatile="false"

 value="536870912"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="METADATA_DOCK_HOME"

 type="java.lang.String"

 transient="false"

core/java/android/content/Intent.java

+17 −3
Original line number Diff line number Diff line
@@ -2398,6 +2398,20 @@ public class Intent implements Parcelable { 
     * called -- no BroadcastReceiver components will be launched.

     */

    public static final int FLAG_RECEIVER_REGISTERED_ONLY = 0x40000000;

    /**

     * If set, when sending a broadcast the new broadcast will replace

     * any existing pending broadcast that matches it.  Matching is defined

     * by {@link Intent#filterEquals(Intent) Intent.filterEquals} returning

     * true for the intents of the two broadcasts.  When a match is found,

     * the new broadcast (and receivers associated with it) will replace the

     * existing one in the pending broadcast list, remaining at the same

     * position in the list.

     * 

     * <p>This flag is most typically used with sticky broadcasts, which

     * only care about delivering the most recent values of the broadcast

     * to their receivers.

     */

    public static final int FLAG_RECEIVER_REPLACE_PENDING = 0x20000000;

    /**

     * If set, when sending a broadcast <i>before boot has completed</i> only

     * registered receivers will be called -- no BroadcastReceiver components
@@ -2411,14 +2425,14 @@ public class Intent implements Parcelable { 
     *

     * @hide

     */

    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x20000000;

    public static final int FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT = 0x10000000;

    /**

     * Set when this broadcast is for a boot upgrade, a special mode that

     * allows the broadcast to be sent before the system is ready and launches

     * the app process with no providers running in it.

     * @hide

     */

    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x10000000;

    public static final int FLAG_RECEIVER_BOOT_UPGRADE = 0x08000000;



    /**

     * @hide Flags that can't be changed with PendingIntent.

core/java/android/server/search/SearchManagerService.java

+3 −2
Original line number Diff line number Diff line
@@ -150,8 +150,9 @@ public class SearchManagerService extends ISearchManager.Stub { 
     * Informs all listeners that the list of searchables has been updated.

     */

    void broadcastSearchablesChanged() {

        mContext.sendBroadcast(

                new Intent(SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED));

        Intent intent = new Intent(SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED);

        intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);

        mContext.sendBroadcast(intent);

    }



    //

media/java/android/media/AudioService.java

+7 −7
Original line number Diff line number Diff line
@@ -892,14 +892,14 @@ public class AudioService extends IAudioService.Stub { 


    private void broadcastRingerMode() {

        // Send sticky broadcast

        if (ActivityManagerNative.isSystemReady()) {

        Intent broadcast = new Intent(AudioManager.RINGER_MODE_CHANGED_ACTION);

        broadcast.putExtra(AudioManager.EXTRA_RINGER_MODE, mRingerMode);

        broadcast.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT

                | Intent.FLAG_RECEIVER_REPLACE_PENDING);

        long origCallerIdentityToken = Binder.clearCallingIdentity();

        mContext.sendStickyBroadcast(broadcast);

        Binder.restoreCallingIdentity(origCallerIdentityToken);

    }

    }



    private void broadcastVibrateSetting(int vibrateType) {

        // Send broadcast

services/java/com/android/server/AlarmManagerService.java

+7 −3
Original line number Diff line number Diff line
@@ -127,8 +127,9 @@ class AlarmManagerService extends IAlarmManager.Stub { 
        mTimeTickSender = PendingIntent.getBroadcast(context, 0,

                new Intent(Intent.ACTION_TIME_TICK).addFlags(

                        Intent.FLAG_RECEIVER_REGISTERED_ONLY), 0);

        mDateChangeSender = PendingIntent.getBroadcast(context, 0,

                new Intent(Intent.ACTION_DATE_CHANGED), 0);

        Intent intent = new Intent(Intent.ACTION_DATE_CHANGED);

        intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);

        mDateChangeSender = PendingIntent.getBroadcast(context, 0, intent, 0);

        

        // now that we have initied the driver schedule the alarm

        mClockReceiver= new ClockReceiver();
@@ -272,6 +273,7 @@ class AlarmManagerService extends IAlarmManager.Stub { 
        

        if (timeZoneWasChanged) {

            Intent intent = new Intent(Intent.ACTION_TIMEZONE_CHANGED);

            intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);

            intent.putExtra("time-zone", zone.getID());

            mContext.sendBroadcast(intent);

        }
@@ -609,7 +611,9 @@ class AlarmManagerService extends IAlarmManager.Stub { 
                if ((result & TIME_CHANGED_MASK) != 0) {

                    remove(mTimeTickSender);

                    mClockReceiver.scheduleTimeTickEvent();

                    mContext.sendBroadcast(new Intent(Intent.ACTION_TIME_CHANGED));

                    Intent intent = new Intent(Intent.ACTION_TIME_CHANGED);

                    intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);

                    mContext.sendBroadcast(intent);

                }

                

                synchronized (mLock) {