Merge "Visit Uris in RemoteViews for granting purposes." into pi-dev

core/java/android/app/Notification.java

@@ -91,6 +91,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
+import java.util.function.Consumer;
 
 /**
  * A class that represents how a persistent notification is to be presented to
@@ -2305,6 +2306,45 @@ public class Notification implements Parcelable
         }
     }
 
+    /**
+     * Note all {@link Uri} that are referenced internally, with the expectation
+     * that Uri permission grants will need to be issued to ensure the recipient
+     * of this object is able to render its contents.
+     *
+     * @hide
+     */
+    public void visitUris(@NonNull Consumer<Uri> visitor) {
+        visitor.accept(sound);
+
+        if (tickerView != null) tickerView.visitUris(visitor);
+        if (contentView != null) contentView.visitUris(visitor);
+        if (bigContentView != null) bigContentView.visitUris(visitor);
+        if (headsUpContentView != null) headsUpContentView.visitUris(visitor);
+
+        if (extras != null) {
+            visitor.accept(extras.getParcelable(EXTRA_AUDIO_CONTENTS_URI));
+            visitor.accept(extras.getParcelable(EXTRA_BACKGROUND_IMAGE_URI));
+        }
+
+        if (MessagingStyle.class.equals(getNotificationStyle()) && extras != null) {
+            final Parcelable[] messages = extras.getParcelableArray(EXTRA_MESSAGES);
+            if (!ArrayUtils.isEmpty(messages)) {
+                for (MessagingStyle.Message message : MessagingStyle.Message
+                        .getMessagesFromBundleArray(messages)) {
+                    visitor.accept(message.getDataUri());
+                }
+            }
+
+            final Parcelable[] historic = extras.getParcelableArray(EXTRA_HISTORIC_MESSAGES);
+            if (!ArrayUtils.isEmpty(historic)) {
+                for (MessagingStyle.Message message : MessagingStyle.Message
+                        .getMessagesFromBundleArray(historic)) {
+                    visitor.accept(message.getDataUri());
+                }
+            }
+        }
+    }
+
     /**
      * Removes heavyweight parts of the Notification object for archival or for sending to
      * listeners when the full contents are not necessary.

core/java/android/widget/RemoteViews.java

@@ -83,6 +83,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Stack;
 import java.util.concurrent.Executor;
+import java.util.function.Consumer;
 
 /**
  * A class that describes a view hierarchy that can be displayed in
@@ -444,6 +445,10 @@ public class RemoteViews implements Parcelable, Filter {
             return true;
         }
 
+        public void visitUris(@NonNull Consumer<Uri> visitor) {
+            // Nothing to visit by default
+        }
+
         int viewId;
     }
 
@@ -517,6 +522,27 @@ public class RemoteViews implements Parcelable, Filter {
         setBitmapCache(mBitmapCache);
     }
 
+    /**
+     * Note all {@link Uri} that are referenced internally, with the expectation
+     * that Uri permission grants will need to be issued to ensure the recipient
+     * of this object is able to render its contents.
+     *
+     * @hide
+     */
+    public void visitUris(@NonNull Consumer<Uri> visitor) {
+        if (mActions != null) {
+            for (int i = 0; i < mActions.size(); i++) {
+                mActions.get(i).visitUris(visitor);
+            }
+        }
+    }
+
+    private static void visitIconUri(Icon icon, @NonNull Consumer<Uri> visitor) {
+        if (icon != null && icon.getType() == Icon.TYPE_URI) {
+            visitor.accept(icon.getUri());
+        }
+    }
+
     private static class RemoteViewsContextWrapper extends ContextWrapper {
         private final Context mContextForResources;
 
@@ -1485,6 +1511,20 @@ public class RemoteViews implements Parcelable, Filter {
         public boolean prefersAsyncApply() {
             return this.type == URI || this.type == ICON;
         }
+
+        @Override
+        public void visitUris(@NonNull Consumer<Uri> visitor) {
+            switch (this.type) {
+                case URI:
+                    final Uri uri = (Uri) this.value;
+                    visitor.accept(uri);
+                    break;
+                case ICON:
+                    final Icon icon = (Icon) this.value;
+                    visitIconUri(icon, visitor);
+                    break;
+            }
+        }
     }
 
     /**
@@ -1849,6 +1889,16 @@ public class RemoteViews implements Parcelable, Filter {
             return TEXT_VIEW_DRAWABLE_ACTION_TAG;
         }
 
+        @Override
+        public void visitUris(@NonNull Consumer<Uri> visitor) {
+            if (useIcons) {
+                visitIconUri(i1, visitor);
+                visitIconUri(i2, visitor);
+                visitIconUri(i3, visitor);
+                visitIconUri(i4, visitor);
+            }
+        }
+
         boolean isRelative = false;
         boolean useIcons = false;
         int d1, d2, d3, d4;