1// Copyright 2013 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/invalidation/invalidation_controller_android.h"
6
7#include <string>
8#include <vector>
9
10#include "base/android/jni_array.h"
11#include "chrome/jni/InvalidationController_jni.h"
12#include "google/cacheinvalidation/include/types.h"
13
14namespace invalidation {
15
16InvalidationControllerAndroid::InvalidationControllerAndroid() {}
17
18InvalidationControllerAndroid::~InvalidationControllerAndroid() {}
19
20void InvalidationControllerAndroid::SetRegisteredObjectIds(
21    const syncer::ObjectIdSet& ids) {
22  // Get a reference to the Java invalidation controller.
23  JNIEnv* env = base::android::AttachCurrentThread();
24  DCHECK(env);
25  if (invalidation_controller_.is_null()) {
26    invalidation_controller_.Reset(Java_InvalidationController_get(
27        env,
28        base::android::GetApplicationContext()));
29  }
30
31  // To call the corresponding method on the Java invalidation controller, split
32  // the object ids into object source and object name arrays.
33  std::vector<int> sources;
34  std::vector<std::string> names;
35  syncer::ObjectIdSet::const_iterator id;
36  for (id = ids.begin(); id != ids.end(); ++id) {
37    sources.push_back(id->source());
38    names.push_back(id->name());
39  }
40
41  Java_InvalidationController_setRegisteredObjectIds(
42      env,
43      invalidation_controller_.obj(),
44      base::android::ToJavaIntArray(env, sources).obj(),
45      base::android::ToJavaArrayOfStrings(env, names).obj());
46}
47
48std::string InvalidationControllerAndroid::GetInvalidatorClientId() {
49  JNIEnv* env = base::android::AttachCurrentThread();
50  DCHECK(env);
51  if (invalidation_controller_.is_null()) {
52    invalidation_controller_.Reset(Java_InvalidationController_get(
53        env,
54        base::android::GetApplicationContext()));
55  }
56
57  // Ask the Java code to for the invalidator ID it's currently using.
58  base::android::ScopedJavaLocalRef<_jbyteArray*> id_bytes_java =
59      Java_InvalidationController_getInvalidatorClientId(
60          env,
61          invalidation_controller_.obj());
62
63  // Convert it into a more convenient format for C++.
64  std::vector<uint8_t> id_bytes;
65  base::android::JavaByteArrayToByteVector(env, id_bytes_java.obj(), &id_bytes);
66  std::string id(id_bytes.begin(), id_bytes.end());
67
68  return id;
69}
70
71bool RegisterInvalidationController(JNIEnv* env) {
72  return RegisterNativesImpl(env);
73}
74
75} //  namespace invalidation
76