package com.android.systemui.statusbar.notification;
+import android.annotation.Nullable;
import android.app.Notification;
import android.content.Context;
import android.os.AsyncTask;
+import android.os.CancellationSignal;
import android.service.notification.StatusBarNotification;
import android.util.Log;
import android.view.View;
import com.android.systemui.statusbar.NotificationContentView;
import com.android.systemui.statusbar.NotificationData;
import com.android.systemui.statusbar.phone.StatusBar;
+import com.android.systemui.util.Assert;
+
+import java.util.HashMap;
/**
* A utility that inflates the right kind of contentView based on the state
@VisibleForTesting
void inflateNotificationViews(int reInflateFlags) {
StatusBarNotification sbn = mRow.getEntry().notification;
- new AsyncInflationTask(mRow.getContext(), sbn, reInflateFlags).execute();
+ new AsyncInflationTask(sbn, reInflateFlags, mRow, mIsLowPriority,
+ mIsChildInGroup, mUsesIncreasedHeight, mUsesIncreasedHeadsUpHeight, mRedactAmbient,
+ mCallback, mRemoteViewClickHandler).execute();
}
@VisibleForTesting
- void inflateNotificationViews(int reInflateFlags,
+ InflationProgress inflateNotificationViews(int reInflateFlags,
Notification.Builder builder, Context packageContext) {
- NotificationData.Entry entry = mRow.getEntry();
- NotificationContentView privateLayout = mRow.getPrivateLayout();
- NotificationContentView publicLayout = mRow.getPublicLayout();
+ InflationProgress result = createRemoteViews(reInflateFlags, builder, mIsLowPriority,
+ mIsChildInGroup, mUsesIncreasedHeight, mUsesIncreasedHeadsUpHeight,
+ mRedactAmbient, packageContext);
+ apply(result, reInflateFlags, mRow, mRedactAmbient, mRemoteViewClickHandler, null);
+ return result;
+ }
- boolean isLowPriority = mIsLowPriority && !mIsChildInGroup;
+ private static InflationProgress createRemoteViews(int reInflateFlags,
+ Notification.Builder builder, boolean isLowPriority, boolean isChildInGroup,
+ boolean usesIncreasedHeight, boolean usesIncreasedHeadsUpHeight, boolean redactAmbient,
+ Context packageContext) {
+ InflationProgress result = new InflationProgress();
+ isLowPriority = isLowPriority && !isChildInGroup;
if ((reInflateFlags & FLAG_REINFLATE_CONTENT_VIEW) != 0) {
- final RemoteViews newContentView = createContentView(builder,
- isLowPriority, mUsesIncreasedHeight);
- if (!compareRemoteViews(newContentView,
- entry.cachedContentView)) {
- View contentViewLocal = newContentView.apply(
- packageContext,
- privateLayout,
- mRemoteViewClickHandler);
- contentViewLocal.setIsRootNamespace(true);
- privateLayout.setContractedChild(contentViewLocal);
- } else {
- newContentView.reapply(packageContext,
- privateLayout.getContractedChild(),
- mRemoteViewClickHandler);
- }
- entry.cachedContentView = newContentView;
+ result.newContentView = createContentView(builder, isLowPriority, usesIncreasedHeight);
}
if ((reInflateFlags & FLAG_REINFLATE_EXPANDED_VIEW) != 0) {
- final RemoteViews newBigContentView = createBigContentView(
- builder, isLowPriority);
- if (newBigContentView != null) {
- if (!compareRemoteViews(newBigContentView, entry.cachedBigContentView)) {
- View bigContentViewLocal = newBigContentView.apply(
- packageContext,
- privateLayout,
- mRemoteViewClickHandler);
- bigContentViewLocal.setIsRootNamespace(true);
- privateLayout.setExpandedChild(bigContentViewLocal);
- } else {
- newBigContentView.reapply(packageContext,
- privateLayout.getExpandedChild(),
- mRemoteViewClickHandler);
- }
- } else if (entry.cachedBigContentView != null) {
- privateLayout.setExpandedChild(null);
- }
- entry.cachedBigContentView = newBigContentView;
- mRow.setExpandable(newBigContentView != null);
+ result.newExpandedView = createExpandedView(builder, isLowPriority);
}
if ((reInflateFlags & FLAG_REINFLATE_HEADS_UP_VIEW) != 0) {
- final RemoteViews newHeadsUpContentView =
- builder.createHeadsUpContentView(mUsesIncreasedHeadsUpHeight);
- if (newHeadsUpContentView != null) {
- if (!compareRemoteViews(newHeadsUpContentView,
- entry.cachedHeadsUpContentView)) {
- View headsUpContentViewLocal = newHeadsUpContentView.apply(
- packageContext,
- privateLayout,
- mRemoteViewClickHandler);
- headsUpContentViewLocal.setIsRootNamespace(true);
- privateLayout.setHeadsUpChild(headsUpContentViewLocal);
- } else {
- newHeadsUpContentView.reapply(packageContext,
- privateLayout.getHeadsUpChild(),
- mRemoteViewClickHandler);
- }
- } else if (entry.cachedHeadsUpContentView != null) {
- privateLayout.setHeadsUpChild(null);
- }
- entry.cachedHeadsUpContentView = newHeadsUpContentView;
+ result.newHeadsUpView = builder.createHeadsUpContentView(usesIncreasedHeadsUpHeight);
}
if ((reInflateFlags & FLAG_REINFLATE_PUBLIC_VIEW) != 0) {
- final RemoteViews newPublicNotification
- = builder.makePublicContentView();
- if (!compareRemoteViews(newPublicNotification, entry.cachedPublicContentView)) {
- View publicContentView = newPublicNotification.apply(
- packageContext,
- publicLayout,
- mRemoteViewClickHandler);
- publicContentView.setIsRootNamespace(true);
- publicLayout.setContractedChild(publicContentView);
- } else {
- newPublicNotification.reapply(packageContext,
- publicLayout.getContractedChild(),
- mRemoteViewClickHandler);
- }
- entry.cachedPublicContentView = newPublicNotification;
+ result.newPublicView = builder.makePublicContentView();
}
if ((reInflateFlags & FLAG_REINFLATE_AMBIENT_VIEW) != 0) {
- final RemoteViews newAmbientNotification = mRedactAmbient
- ? builder.makePublicAmbientNotification()
+ result.newAmbientView = redactAmbient ? builder.makePublicAmbientNotification()
: builder.makeAmbientNotification();
- NotificationContentView newParent = mRedactAmbient ? publicLayout : privateLayout;
- NotificationContentView otherParent = !mRedactAmbient ? publicLayout : privateLayout;
-
- if (newParent.getAmbientChild() == null ||
- !compareRemoteViews(newAmbientNotification, entry.cachedAmbientContentView)) {
- View ambientContentView = newAmbientNotification.apply(
- packageContext,
- newParent,
- mRemoteViewClickHandler);
- ambientContentView.setIsRootNamespace(true);
- newParent.setAmbientChild(ambientContentView);
- otherParent.setAmbientChild(null);
- } else {
- newAmbientNotification.reapply(packageContext,
- newParent.getAmbientChild(),
- mRemoteViewClickHandler);
+ }
+ result.packageContext = packageContext;
+ return result;
+ }
+
+ public static CancellationSignal apply(InflationProgress result, int reInflateFlags,
+ ExpandableNotificationRow row, boolean redactAmbient,
+ RemoteViews.OnClickHandler remoteViewClickHandler,
+ @Nullable InflationCallback callback) {
+ NotificationData.Entry entry = row.getEntry();
+ NotificationContentView privateLayout = row.getPrivateLayout();
+ NotificationContentView publicLayout = row.getPublicLayout();
+ final HashMap<Integer, CancellationSignal> runningInflations = new HashMap<>();
+
+ int flag = FLAG_REINFLATE_CONTENT_VIEW;
+ if ((reInflateFlags & flag) != 0) {
+ boolean isNewView = !compareRemoteViews(result.newContentView, entry.cachedContentView);
+ ApplyCallback applyCallback = new ApplyCallback() {
+ @Override
+ public void setResultView(View v) {
+ result.inflatedContentView = v;
+ }
+
+ @Override
+ public RemoteViews getRemoteView() {
+ return result.newContentView;
+ }
+ };
+ applyRemoteView(result, reInflateFlags, flag, row, redactAmbient,
+ isNewView, remoteViewClickHandler, callback, entry, privateLayout,
+ privateLayout.getContractedChild(),
+ runningInflations, applyCallback);
+ }
+
+ flag = FLAG_REINFLATE_EXPANDED_VIEW;
+ if ((reInflateFlags & flag) != 0) {
+ if (result.newExpandedView != null) {
+ boolean isNewView = !compareRemoteViews(result.newExpandedView,
+ entry.cachedBigContentView);
+ ApplyCallback applyCallback = new ApplyCallback() {
+ @Override
+ public void setResultView(View v) {
+ result.inflatedExpandedView = v;
+ }
+
+ @Override
+ public RemoteViews getRemoteView() {
+ return result.newExpandedView;
+ }
+ };
+ applyRemoteView(result, reInflateFlags, flag, row,
+ redactAmbient, isNewView, remoteViewClickHandler, callback, entry,
+ privateLayout, privateLayout.getExpandedChild(), runningInflations,
+ applyCallback);
+ }
+ }
+
+ flag = FLAG_REINFLATE_HEADS_UP_VIEW;
+ if ((reInflateFlags & flag) != 0) {
+ if (result.newHeadsUpView != null) {
+ boolean isNewView = !compareRemoteViews(result.newHeadsUpView,
+ entry.cachedHeadsUpContentView);
+ ApplyCallback applyCallback = new ApplyCallback() {
+ @Override
+ public void setResultView(View v) {
+ result.inflatedHeadsUpView = v;
+ }
+
+ @Override
+ public RemoteViews getRemoteView() {
+ return result.newHeadsUpView;
+ }
+ };
+ applyRemoteView(result, reInflateFlags, flag, row,
+ redactAmbient, isNewView, remoteViewClickHandler, callback, entry,
+ privateLayout, privateLayout.getHeadsUpChild(), runningInflations,
+ applyCallback);
}
- entry.cachedAmbientContentView = newAmbientNotification;
}
+
+ flag = FLAG_REINFLATE_PUBLIC_VIEW;
+ if ((reInflateFlags & flag) != 0) {
+ boolean isNewView = !compareRemoteViews(result.newPublicView,
+ entry.cachedPublicContentView);
+ ApplyCallback applyCallback = new ApplyCallback() {
+ @Override
+ public void setResultView(View v) {
+ result.inflatedPublicView = v;
+ }
+
+ @Override
+ public RemoteViews getRemoteView() {
+ return result.newPublicView;
+ }
+ };
+ applyRemoteView(result, reInflateFlags, flag, row,
+ redactAmbient, isNewView, remoteViewClickHandler, callback, entry,
+ publicLayout, publicLayout.getContractedChild(), runningInflations,
+ applyCallback);
+ }
+
+ flag = FLAG_REINFLATE_AMBIENT_VIEW;
+ if ((reInflateFlags & flag) != 0) {
+ NotificationContentView newParent = redactAmbient ? publicLayout : privateLayout;
+ boolean isNewView = !canReapplyAmbient(row, redactAmbient) ||
+ !compareRemoteViews(result.newAmbientView, entry.cachedAmbientContentView);
+ ApplyCallback applyCallback = new ApplyCallback() {
+ @Override
+ public void setResultView(View v) {
+ result.inflatedAmbientView = v;
+ }
+
+ @Override
+ public RemoteViews getRemoteView() {
+ return result.newAmbientView;
+ }
+ };
+ applyRemoteView(result, reInflateFlags, flag, row,
+ redactAmbient, isNewView, remoteViewClickHandler, callback, entry,
+ newParent, newParent.getAmbientChild(), runningInflations,
+ applyCallback);
+ }
+
+ // Let's try to finish, maybe nobody is even inflating anything
+ finishIfDone(result, reInflateFlags, runningInflations, callback, row,
+ redactAmbient);
+ CancellationSignal cancellationSignal = new CancellationSignal();
+ cancellationSignal.setOnCancelListener(
+ () -> runningInflations.values().forEach(CancellationSignal::cancel));
+ return cancellationSignal;
+ }
+
+ private static void applyRemoteView(final InflationProgress result,
+ final int reInflateFlags, int inflationId,
+ final ExpandableNotificationRow row,
+ final boolean redactAmbient, boolean isNewView,
+ RemoteViews.OnClickHandler remoteViewClickHandler,
+ @Nullable final InflationCallback callback, NotificationData.Entry entry,
+ NotificationContentView parentLayout, View existingView,
+ final HashMap<Integer, CancellationSignal> runningInflations,
+ ApplyCallback applyCallback) {
+ RemoteViews.OnViewAppliedListener listener
+ = new RemoteViews.OnViewAppliedListener() {
+
+ @Override
+ public void onViewApplied(View v) {
+ if (isNewView) {
+ v.setIsRootNamespace(true);
+ applyCallback.setResultView(v);
+ }
+ runningInflations.remove(inflationId);
+ finishIfDone(result, reInflateFlags, runningInflations, callback, row,
+ redactAmbient);
+ }
+
+ @Override
+ public void onError(Exception e) {
+ runningInflations.remove(inflationId);
+ handleInflationError(runningInflations, e, entry.notification, callback);
+ }
+ };
+ CancellationSignal cancellationSignal;
+ RemoteViews newContentView = applyCallback.getRemoteView();
+ if (isNewView) {
+ cancellationSignal = newContentView.applyAsync(
+ result.packageContext,
+ parentLayout,
+ null /* executor */,
+ listener,
+ remoteViewClickHandler);
+ } else {
+ cancellationSignal = newContentView.reapplyAsync(
+ result.packageContext,
+ existingView,
+ null /* executor */,
+ listener,
+ remoteViewClickHandler);
+ }
+ runningInflations.put(inflationId, cancellationSignal);
}
- private RemoteViews createBigContentView(Notification.Builder builder,
+ private static void handleInflationError(HashMap<Integer, CancellationSignal> runningInflations,
+ Exception e, StatusBarNotification notification, @Nullable InflationCallback callback) {
+ Assert.isMainThread();
+ runningInflations.values().forEach(CancellationSignal::cancel);
+ if (callback != null) {
+ callback.handleInflationException(notification, e);
+ }
+ }
+
+ /**
+ * Finish the inflation of the views
+ *
+ * @return true if the inflation was finished
+ */
+ private static boolean finishIfDone(InflationProgress result, int reInflateFlags,
+ HashMap<Integer, CancellationSignal> runningInflations,
+ @Nullable InflationCallback endListener, ExpandableNotificationRow row,
+ boolean redactAmbient) {
+ Assert.isMainThread();
+ NotificationData.Entry entry = row.getEntry();
+ NotificationContentView privateLayout = row.getPrivateLayout();
+ NotificationContentView publicLayout = row.getPublicLayout();
+ if (runningInflations.isEmpty()) {
+ if ((reInflateFlags & FLAG_REINFLATE_CONTENT_VIEW) != 0) {
+ if (result.inflatedContentView != null) {
+ privateLayout.setContractedChild(result.inflatedContentView);
+ }
+ entry.cachedContentView = result.newContentView;
+ }
+
+ if ((reInflateFlags & FLAG_REINFLATE_EXPANDED_VIEW) != 0) {
+ if (result.inflatedExpandedView != null) {
+ privateLayout.setExpandedChild(result.inflatedExpandedView);
+ } else if (result.newExpandedView == null) {
+ privateLayout.setExpandedChild(null);
+ }
+ entry.cachedBigContentView = result.newExpandedView;
+ row.setExpandable(result.newExpandedView != null);
+ }
+
+ if ((reInflateFlags & FLAG_REINFLATE_HEADS_UP_VIEW) != 0) {
+ if (result.inflatedHeadsUpView != null) {
+ privateLayout.setHeadsUpChild(result.inflatedHeadsUpView);
+ } else if (result.newHeadsUpView == null) {
+ privateLayout.setHeadsUpChild(null);
+ }
+ entry.cachedHeadsUpContentView = result.newHeadsUpView;
+ }
+
+ if ((reInflateFlags & FLAG_REINFLATE_PUBLIC_VIEW) != 0) {
+ if (result.inflatedPublicView != null) {
+ publicLayout.setContractedChild(result.inflatedPublicView);
+ }
+ entry.cachedPublicContentView = result.newPublicView;
+ }
+
+ if ((reInflateFlags & FLAG_REINFLATE_AMBIENT_VIEW) != 0) {
+ if (result.inflatedAmbientView != null) {
+ NotificationContentView newParent = redactAmbient
+ ? publicLayout : privateLayout;
+ NotificationContentView otherParent = !redactAmbient
+ ? publicLayout : privateLayout;
+ newParent.setAmbientChild(result.inflatedAmbientView);
+ otherParent.setAmbientChild(null);
+ }
+ entry.cachedAmbientContentView = result.newAmbientView;
+ }
+ if (endListener != null) {
+ endListener.onAsyncInflationFinished(row.getEntry());
+ }
+ return true;
+ }
+ return false;
+ }
+
+ private static RemoteViews createExpandedView(Notification.Builder builder,
boolean isLowPriority) {
RemoteViews bigContentView = builder.createBigContentView();
if (bigContentView != null) {
return null;
}
- private RemoteViews createContentView(Notification.Builder builder,
+ private static RemoteViews createContentView(Notification.Builder builder,
boolean isLowPriority, boolean useLarge) {
if (isLowPriority) {
return builder.makeLowPriorityContentView(false /* useRegularSubtext */);
}
// Returns true if the RemoteViews are the same.
- private boolean compareRemoteViews(final RemoteViews a, final RemoteViews b) {
+ private static boolean compareRemoteViews(final RemoteViews a, final RemoteViews b) {
return (a == null && b == null) ||
(a != null && b != null
&& b.getPackage() != null
}
public interface InflationCallback {
- void handleInflationException(StatusBarNotification notification, InflationException e);
+ void handleInflationException(StatusBarNotification notification, Exception e);
void onAsyncInflationFinished(NotificationData.Entry entry);
}
inflateNotificationViews();
}
- private class AsyncInflationTask extends AsyncTask<Void, Void, Notification.Builder> {
+ private static boolean canReapplyAmbient(ExpandableNotificationRow row, boolean redactAmbient) {
+ NotificationContentView ambientView = redactAmbient ? row.getPublicLayout()
+ : row.getPrivateLayout(); ;
+ return ambientView.getAmbientChild() != null;
+ }
+
+ public static class AsyncInflationTask extends AsyncTask<Void, Void, InflationProgress>
+ implements InflationCallback {
private final StatusBarNotification mSbn;
private final Context mContext;
private final int mReInflateFlags;
- private Context mPackageContext = null;
+ private final boolean mIsLowPriority;
+ private final boolean mIsChildInGroup;
+ private final boolean mUsesIncreasedHeight;
+ private final InflationCallback mCallback;
+ private final boolean mUsesIncreasedHeadsUpHeight;
+ private final boolean mRedactAmbient;
+ private ExpandableNotificationRow mRow;
private Exception mError;
-
- private AsyncInflationTask(Context context, StatusBarNotification notification,
- int reInflateFlags) {
+ private RemoteViews.OnClickHandler mRemoteViewClickHandler;
+ private CancellationSignal mCancellationSignal;
+
+ private AsyncInflationTask(StatusBarNotification notification,
+ int reInflateFlags, ExpandableNotificationRow row, boolean isLowPriority,
+ boolean isChildInGroup, boolean usesIncreasedHeight,
+ boolean usesIncreasedHeadsUpHeight, boolean redactAmbient,
+ InflationCallback callback,
+ RemoteViews.OnClickHandler remoteViewClickHandler) {
+ mRow = row;
+ NotificationData.Entry entry = row.getEntry();
+ entry.setInflationTask(this);
mSbn = notification;
- mContext = context;
mReInflateFlags = reInflateFlags;
- mRow.getEntry().addInflationTask(this);
+ mContext = mRow.getContext();
+ mIsLowPriority = isLowPriority;
+ mIsChildInGroup = isChildInGroup;
+ mUsesIncreasedHeight = usesIncreasedHeight;
+ mUsesIncreasedHeadsUpHeight = usesIncreasedHeadsUpHeight;
+ mRedactAmbient = redactAmbient;
+ mRemoteViewClickHandler = remoteViewClickHandler;
+ mCallback = callback;
}
@Override
- protected Notification.Builder doInBackground(Void... params) {
+ protected InflationProgress doInBackground(Void... params) {
try {
final Notification.Builder recoveredBuilder
= Notification.Builder.recoverBuilder(mContext,
mSbn.getNotification());
- mPackageContext = mSbn.getPackageContext(mContext);
+ Context packageContext = mSbn.getPackageContext(mContext);
Notification notification = mSbn.getNotification();
if (notification.isMediaNotification()) {
MediaNotificationProcessor processor = new MediaNotificationProcessor(mContext,
- mPackageContext);
+ packageContext);
processor.setIsLowPriority(mIsLowPriority);
processor.processNotification(notification, recoveredBuilder);
}
- return recoveredBuilder;
+ return createRemoteViews(mReInflateFlags,
+ recoveredBuilder, mIsLowPriority, mIsChildInGroup,
+ mUsesIncreasedHeight, mUsesIncreasedHeadsUpHeight, mRedactAmbient,
+ packageContext);
} catch (Exception e) {
mError = e;
return null;
}
@Override
- protected void onPostExecute(Notification.Builder builder) {
- mRow.getEntry().onInflationTaskFinished(this);
+ protected void onPostExecute(InflationProgress result) {
if (mError == null) {
- finishInflation(mReInflateFlags, builder, mPackageContext);
+ mCancellationSignal = apply(result, mReInflateFlags, mRow, mRedactAmbient,
+ mRemoteViewClickHandler, this);
} else {
handleError(mError);
}
}
- }
- private void finishInflation(int reinflationFlags, Notification.Builder builder,
- Context context) {
- try {
- inflateNotificationViews(reinflationFlags, builder, context);
- } catch (RuntimeException e){
+ private void handleError(Exception e) {
+ mRow.getEntry().onInflationTaskFinished();
+ StatusBarNotification sbn = mRow.getStatusBarNotification();
+ final String ident = sbn.getPackageName() + "/0x"
+ + Integer.toHexString(sbn.getId());
+ Log.e(StatusBar.TAG, "couldn't inflate view for notification " + ident, e);
+ mCallback.handleInflationException(sbn,
+ new InflationException("Couldn't inflate contentViews" + e));
+ }
+
+ public void abort() {
+ cancel(true /* mayInterruptIfRunning */);
+ if (mCancellationSignal != null) {
+ mCancellationSignal.cancel();
+ }
+ }
+
+ @Override
+ public void handleInflationException(StatusBarNotification notification, Exception e) {
handleError(e);
- return;
}
- mRow.onNotificationUpdated();
- mCallback.onAsyncInflationFinished(mRow.getEntry());
+
+ @Override
+ public void onAsyncInflationFinished(NotificationData.Entry entry) {
+ mRow.getEntry().onInflationTaskFinished();
+ mRow.onNotificationUpdated();
+ mCallback.onAsyncInflationFinished(mRow.getEntry());
+ }
+ }
+
+ private static class InflationProgress {
+ private RemoteViews newContentView;
+ private RemoteViews newHeadsUpView;
+ private RemoteViews newExpandedView;
+ private RemoteViews newAmbientView;
+ private RemoteViews newPublicView;
+
+ private Context packageContext;
+
+ private View inflatedContentView;
+ private View inflatedHeadsUpView;
+ private View inflatedExpandedView;
+ private View inflatedAmbientView;
+ private View inflatedPublicView;
}
- private void handleError(Exception e) {
- StatusBarNotification sbn = mRow.getStatusBarNotification();
- final String ident = sbn.getPackageName() + "/0x"
- + Integer.toHexString(sbn.getId());
- Log.e(StatusBar.TAG, "couldn't inflate view for notification " + ident, e);
- mCallback.handleInflationException(sbn,
- new InflationException("Couldn't inflate contentViews" + e));
+ private abstract static class ApplyCallback {
+ public abstract void setResultView(View v);
+ public abstract RemoteViews getRemoteView();
}
}
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