1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/android/omnibox/answers_image_bridge.h"
6
7 #include <jni.h>
8
9 #include "base/android/jni_android.h"
10 #include "base/android/jni_string.h"
11 #include "base/android/scoped_java_ref.h"
12 #include "base/bind.h"
13 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_service.h"
14 #include "chrome/browser/bitmap_fetcher/bitmap_fetcher_service_factory.h"
15 #include "chrome/browser/profiles/profile.h"
16 #include "chrome/browser/profiles/profile_android.h"
17 #include "jni/AnswersImage_jni.h"
18 #include "third_party/skia/include/core/SkBitmap.h"
19 #include "ui/gfx/android/java_bitmap.h"
20 #include "url/gurl.h"
21
22 using base::android::ScopedJavaLocalRef;
23 using base::android::ConvertUTF8ToJavaString;
24
25 namespace {
26
27 class AnswersImageObserverAndroid : public BitmapFetcherService::Observer {
28 public:
AnswersImageObserverAndroid(JNIEnv * env,jobject java_answers_image_observer)29 explicit AnswersImageObserverAndroid(JNIEnv* env,
30 jobject java_answers_image_observer) {
31 java_answers_image_observer_.Reset(env, java_answers_image_observer);
32 }
33
~AnswersImageObserverAndroid()34 virtual ~AnswersImageObserverAndroid() {}
35
36 // AnswersImageObserver:
OnImageChanged(BitmapFetcherService::RequestId request_id,const SkBitmap & answers_image)37 virtual void OnImageChanged(BitmapFetcherService::RequestId request_id,
38 const SkBitmap& answers_image) OVERRIDE {
39 DCHECK(!answers_image.empty());
40
41 JNIEnv* env = base::android::AttachCurrentThread();
42 ScopedJavaLocalRef<jobject> java_bitmap =
43 gfx::ConvertToJavaBitmap(&answers_image);
44 Java_AnswersImageObserver_onAnswersImageChanged(
45 env, java_answers_image_observer_.obj(), java_bitmap.obj());
46 }
47
48 private:
49 base::android::ScopedJavaGlobalRef<jobject> java_answers_image_observer_;
50 };
51
52 } // namespace
53
CancelAnswersImageRequest(JNIEnv * env,jclass,jobject java_profile,jint java_request_id)54 static void CancelAnswersImageRequest(JNIEnv* env,
55 jclass,
56 jobject java_profile,
57 jint java_request_id) {
58 Profile* profile = ProfileAndroid::FromProfileAndroid(java_profile);
59 DCHECK(profile);
60 BitmapFetcherService* bitmap_fetcher_service =
61 BitmapFetcherServiceFactory::GetForBrowserContext(profile);
62 bitmap_fetcher_service->CancelRequest(java_request_id);
63 }
64
RequestAnswersImage(JNIEnv * env,jclass,jobject java_profile,jstring java_url,jobject java_callback)65 static int RequestAnswersImage(JNIEnv* env,
66 jclass,
67 jobject java_profile,
68 jstring java_url,
69 jobject java_callback) {
70 Profile* profile = ProfileAndroid::FromProfileAndroid(java_profile);
71 DCHECK(profile);
72 BitmapFetcherService* bitmap_fetcher_service =
73 BitmapFetcherServiceFactory::GetForBrowserContext(profile);
74 std::string url;
75 base::android::ConvertJavaStringToUTF8(env, java_url, &url);
76 return bitmap_fetcher_service->RequestImage(
77 GURL(url), new AnswersImageObserverAndroid(env, java_callback));
78 }
79
80 // static
RegisterAnswersImageBridge(JNIEnv * env)81 bool RegisterAnswersImageBridge(JNIEnv* env) {
82 return RegisterNativesImpl(env);
83 }
84