chrome/browser/invalidation/invalidation_controller_android.cc

   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
  14 namespace invalidation {
  15
  16 InvalidationControllerAndroid::InvalidationControllerAndroid() {}
  17
  18 InvalidationControllerAndroid::~InvalidationControllerAndroid() {}
  19
  20 void 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
  48 std::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
  71 bool RegisterInvalidationController(JNIEnv* env) {
  72   return RegisterNativesImpl(env);
  73 }
  74
  75 } //  namespace invalidation