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Commit 13f18efb authored by Sunny Goyal's avatar Sunny Goyal Committed by Android (Google) Code Review
Browse files

Merge "Using an increasing request counter instead of system uptime to avoid... 

Merge "Using an increasing request counter instead of system uptime to avoid duplicates when sorting pending updates." into nyc-mr2-dev
parents 5e2634ba 88959dcc

services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java

+36 −32
Original line number Diff line number Diff line
@@ -125,6 +125,7 @@ import java.util.List; 
import java.util.Locale;

import java.util.Map;

import java.util.Set;

import java.util.concurrent.atomic.AtomicLong;



class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBackupProvider,

        OnCrossProfileWidgetProvidersChangeListener {
@@ -151,6 +152,8 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
    // Bump if the stored widgets need to be upgraded.

    private static final int CURRENT_VERSION = 1;



    private static final AtomicLong REQUEST_COUNTER = new AtomicLong();



    private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {
@@ -767,7 +770,8 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
            LongSparseArray<PendingHostUpdate> updatesMap = new LongSparseArray<>();

            for (int i = 0; i < N; i++) {

                if (host.getPendingUpdatesForId(appWidgetIds[i], updatesMap)) {

                    // We key the updates based on time, so that the values are sorted by time.

                    // We key the updates based on request id, so that the values are sorted in the

                    // order they were received.

                    int M = updatesMap.size();

                    for (int j = 0; j < M; j++) {

                        outUpdates.add(updatesMap.valueAt(j));
@@ -1820,9 +1824,9 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
            // method with a wrong id. In that case, ignore the call.

            return;

        }

        long requestTime = SystemClock.uptimeMillis();

        long requestId = REQUEST_COUNTER.incrementAndGet();

        if (widget != null) {

            widget.updateTimes.put(viewId, requestTime);

            widget.updateRequestIds.put(viewId, requestId);

        }

        if (widget == null || widget.host == null || widget.host.zombie

                || widget.host.callbacks == null || widget.provider == null
@@ -1833,7 +1837,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
        SomeArgs args = SomeArgs.obtain();

        args.arg1 = widget.host;

        args.arg2 = widget.host.callbacks;

        args.arg3 = requestTime;

        args.arg3 = requestId;

        args.argi1 = widget.appWidgetId;

        args.argi2 = viewId;
@@ -1844,10 +1848,10 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 




    private void handleNotifyAppWidgetViewDataChanged(Host host, IAppWidgetHost callbacks,

            int appWidgetId, int viewId, long requestTime) {

            int appWidgetId, int viewId, long requestId) {

        try {

            callbacks.viewDataChanged(appWidgetId, viewId);

            host.lastWidgetUpdateTime = requestTime;

            host.lastWidgetUpdateRequestId = requestId;

        } catch (RemoteException re) {

            // It failed; remove the callback. No need to prune because

            // we know that this host is still referenced by this instance.
@@ -1894,9 +1898,9 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
    }



    private void scheduleNotifyUpdateAppWidgetLocked(Widget widget, RemoteViews updateViews) {

        long requestTime = SystemClock.uptimeMillis();

        long requestId = REQUEST_COUNTER.incrementAndGet();

        if (widget != null) {

            widget.updateTimes.put(ID_VIEWS_UPDATE, requestTime);

            widget.updateRequestIds.put(ID_VIEWS_UPDATE, requestId);

        }

        if (widget == null || widget.provider == null || widget.provider.zombie

                || widget.host.callbacks == null || widget.host.zombie) {
@@ -1907,7 +1911,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
        args.arg1 = widget.host;

        args.arg2 = widget.host.callbacks;

        args.arg3 = (updateViews != null) ? updateViews.clone() : null;

        args.arg4 = requestTime;

        args.arg4 = requestId;

        args.argi1 = widget.appWidgetId;



        mCallbackHandler.obtainMessage(
@@ -1916,10 +1920,10 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
    }



    private void handleNotifyUpdateAppWidget(Host host, IAppWidgetHost callbacks,

            int appWidgetId, RemoteViews views, long requestTime) {

            int appWidgetId, RemoteViews views, long requestId) {

        try {

            callbacks.updateAppWidget(appWidgetId, views);

            host.lastWidgetUpdateTime = requestTime;

            host.lastWidgetUpdateRequestId = requestId;

        } catch (RemoteException re) {

            synchronized (mLock) {

                Slog.e(TAG, "Widget host dead: " + host.id, re);
@@ -1929,11 +1933,11 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
    }



    private void scheduleNotifyProviderChangedLocked(Widget widget) {

        long requestTime = SystemClock.uptimeMillis();

        long requestId = REQUEST_COUNTER.incrementAndGet();

        if (widget != null) {

            // When the provider changes, reset everything else.

            widget.updateTimes.clear();

            widget.updateTimes.append(ID_PROVIDER_CHANGED, requestTime);

            widget.updateRequestIds.clear();

            widget.updateRequestIds.append(ID_PROVIDER_CHANGED, requestId);

        }

        if (widget == null || widget.provider == null || widget.provider.zombie

                || widget.host.callbacks == null || widget.host.zombie) {
@@ -1944,7 +1948,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
        args.arg1 = widget.host;

        args.arg2 = widget.host.callbacks;

        args.arg3 = widget.provider.info;

        args.arg4 = requestTime;

        args.arg4 = requestId;

        args.argi1 = widget.appWidgetId;



        mCallbackHandler.obtainMessage(
@@ -1953,10 +1957,10 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
    }



    private void handleNotifyProviderChanged(Host host, IAppWidgetHost callbacks,

            int appWidgetId, AppWidgetProviderInfo info, long requestTime) {

            int appWidgetId, AppWidgetProviderInfo info, long requestId) {

        try {

            callbacks.providerChanged(appWidgetId, info);

            host.lastWidgetUpdateTime = requestTime;

            host.lastWidgetUpdateRequestId = requestId;

        } catch (RemoteException re) {

            synchronized (mLock){

                Slog.e(TAG, "Widget host dead: " + host.id, re);
@@ -3429,11 +3433,11 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
                    Host host = (Host) args.arg1;

                    IAppWidgetHost callbacks = (IAppWidgetHost) args.arg2;

                    RemoteViews views = (RemoteViews) args.arg3;

                    long requestTime = (Long) args.arg4;

                    long requestId = (Long) args.arg4;

                    final int appWidgetId = args.argi1;

                    args.recycle();



                    handleNotifyUpdateAppWidget(host, callbacks, appWidgetId, views, requestTime);

                    handleNotifyUpdateAppWidget(host, callbacks, appWidgetId, views, requestId);

                } break;



                case MSG_NOTIFY_PROVIDER_CHANGED: {
@@ -3441,11 +3445,11 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
                    Host host = (Host) args.arg1;

                    IAppWidgetHost callbacks = (IAppWidgetHost) args.arg2;

                    AppWidgetProviderInfo info = (AppWidgetProviderInfo)args.arg3;

                    long requestTime = (Long) args.arg4;

                    long requestId = (Long) args.arg4;

                    final int appWidgetId = args.argi1;

                    args.recycle();



                    handleNotifyProviderChanged(host, callbacks, appWidgetId, info, requestTime);

                    handleNotifyProviderChanged(host, callbacks, appWidgetId, info, requestId);

                } break;



                case MSG_NOTIFY_PROVIDERS_CHANGED: {
@@ -3461,13 +3465,13 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
                    SomeArgs args = (SomeArgs) message.obj;

                    Host host = (Host) args.arg1;

                    IAppWidgetHost callbacks = (IAppWidgetHost) args.arg2;

                    long requestTime = (Long) args.arg3;

                    long requestId = (Long) args.arg3;

                    final int appWidgetId = args.argi1;

                    final int viewId = args.argi2;

                    args.recycle();



                    handleNotifyAppWidgetViewDataChanged(host, callbacks, appWidgetId, viewId,

                            requestTime);

                            requestId);

                } break;

            }

        }
@@ -3783,7 +3787,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
        boolean zombie; // if we're in safe mode, don't prune this just because nobody references it



        int tag = TAG_UNDEFINED; // for use while saving state (the index)

        long lastWidgetUpdateTime; // last time we were successfully able to send an update.

        long lastWidgetUpdateRequestId; // request id for the last update successfully sent



        public int getUserId() {

            return UserHandle.getUserId(id.uid);
@@ -3810,18 +3814,18 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
         */

        public boolean getPendingUpdatesForId(int appWidgetId,

                LongSparseArray<PendingHostUpdate> outUpdates) {

            long updateTime = lastWidgetUpdateTime;

            long updateRequestId = lastWidgetUpdateRequestId;

            int N = widgets.size();

            for (int i = 0; i < N; i++) {

                Widget widget = widgets.get(i);

                if (widget.appWidgetId == appWidgetId) {

                    outUpdates.clear();

                    for (int j = widget.updateTimes.size() - 1; j >= 0; j--) {

                        long time = widget.updateTimes.valueAt(j);

                        if (time <= updateTime) {

                    for (int j = widget.updateRequestIds.size() - 1; j >= 0; j--) {

                        long requestId = widget.updateRequestIds.valueAt(j);

                        if (requestId <= updateRequestId) {

                            continue;

                        }

                        int id = widget.updateTimes.keyAt(j);

                        int id = widget.updateRequestIds.keyAt(j);

                        final PendingHostUpdate update;

                        switch (id) {

                            case ID_PROVIDER_CHANGED:
@@ -3835,7 +3839,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
                            default:

                                update = PendingHostUpdate.viewDataChanged(appWidgetId, id);

                        }

                        outUpdates.put(time, update);

                        outUpdates.put(requestId, update);

                    }

                    return true;

                }
@@ -3917,8 +3921,8 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku 
        RemoteViews maskedViews;

        Bundle options;

        Host host;

        // timestamps for various operations

        SparseLongArray updateTimes = new SparseLongArray(2);

        // Request ids for various operations

        SparseLongArray updateRequestIds = new SparseLongArray(2);



        @Override

        public String toString() {