[AiS] Java bridge for AnswersImageService

chrome/android/java/src/org/chromium/chrome/browser/omnibox/AnswersImage.java

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.omnibox;
+
+import android.graphics.Bitmap;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.chrome.browser.profiles.Profile;
+
+/**
+ * Provides access to images used by Answers in Suggest.
+ */
+public class AnswersImage {
+    /**
+     * Observer for updating an image when it is available.
+     */
+    public interface AnswersImageObserver {
+        /**
+         * Called when the image is updated.
+         *
+         * @param answersImage the image
+         */
+        @CalledByNative("AnswersImageObserver")
+            public void onAnswersImageChanged(Bitmap bitmap);

[Ted C, 2014/06/17 20:38:15]

-4 indent

[groby-ooo-7-16, 2014/06/17 23:46:20]

Done.

+    }
+
+    /**
+     * Encapsulates requests to the AnswerImagesService.
+     */
+    public static class AnswersImageRequest {
+        public final AnswersImageObserver observer;
+        public final int requestId;
+
+        public AnswersImageRequest(AnswersImageObserver observer, int requestId) {
+            this.observer = observer;
+            this.requestId = requestId;
+        }
+    }
+
+    /**
+     * Request image, observer is notified when image is loaded.
+     * @param profile     Profile that the request is for.
+     * @param imageUrl    URL for image data.
+     * @param observer    Observer to be notified when image is updated.
+     * @return            An AnswersImageRequest.
+     */
+    public static AnswersImageRequest requestAnswersImage(
+            Profile profile, String imageUrl, AnswersImageObserver observer) {
+        return nativeRequestAnswersImage(profile, imageUrl, observer);
+    }
+
+    /**
+     * Cancel a pending image request.
+     * @param profile    Profile the request was issued for.
+     * @param requestId  The ID of the request to be cancelled.
+     */
+    public static void cancelAnswersImageRequest(Profile profile, int requestId) {
+        nativeCancelAnswersImageRequest(profile, requestId);
+    }
+
+    /**
+     * Allows the native side to generate AnswersImageRequest objects.
+     */
+    @CalledByNative
+        private static AnswersImageRequest createAnswersImageRequest(

[Ted C, 2014/06/17 20:38:15]

This function needs to be -4 indented

[groby-ooo-7-16, 2014/06/17 23:46:20]

Function deleted, since the request class is unnecessary now

+                AnswersImageObserver observer, int requestId) {
+            return new AnswersImageRequest(observer, requestId);
+        }
+
+    /**
+     * Requests an image at |imageUrl| for the given |profile| with |observer| being notified.
+     * @returns an AnswersImageRequest
+     */
+    private static native AnswersImageRequest nativeRequestAnswersImage(
+            Profile profile, String imageUrl, AnswersImageObserver observer);
+
+    /**
+     * Cancels a pending request.
+     */
+    private static native void nativeCancelAnswersImageRequest(Profile profile, int requestId);
+}