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// Copyright (c) 2013 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.
#ifndef COMPONENTS_INVALIDATION_IMPL_INVALIDATION_SERVICE_ANDROID_H_
#define COMPONENTS_INVALIDATION_IMPL_INVALIDATION_SERVICE_ANDROID_H_
#include <jni.h>
#include <stdint.h>
#include <map>
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/threading/non_thread_safe.h"
#include "components/invalidation/impl/invalidation_logger.h"
#include "components/invalidation/impl/invalidator_registrar.h"
#include "components/invalidation/public/invalidation_service.h"
#include "components/keyed_service/core/keyed_service.h"
namespace invalidation {
class InvalidationLogger;
// This InvalidationService is used to deliver invalidations on Android. The
// Android operating system has its own mechanisms for delivering invalidations.
class InvalidationServiceAndroid
: public base::NonThreadSafe,
public InvalidationService {
public:
explicit InvalidationServiceAndroid(
const base::android::JavaRef<jobject>& context);
~InvalidationServiceAndroid() override;
// InvalidationService implementation.
//
// Note that this implementation does not properly support Ack-tracking,
// fetching the invalidator state, or querying the client's ID. Support for
// exposing the client ID should be available soon; see crbug.com/172391.
void RegisterInvalidationHandler(
syncer::InvalidationHandler* handler) override;
bool UpdateRegisteredInvalidationIds(syncer::InvalidationHandler* handler,
const syncer::ObjectIdSet& ids) override;
void UnregisterInvalidationHandler(
syncer::InvalidationHandler* handler) override;
syncer::InvalidatorState GetInvalidatorState() const override;
std::string GetInvalidatorClientId() const override;
InvalidationLogger* GetInvalidationLogger() override;
void RequestDetailedStatus(
base::Callback<void(const base::DictionaryValue&)> caller) const override;
IdentityProvider* GetIdentityProvider() override;
void Invalidate(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jint object_source,
const base::android::JavaParamRef<jstring>& object_id,
jlong version,
const base::android::JavaParamRef<jstring>& state);
// The InvalidationServiceAndroid always reports that it is enabled.
// This is used only by unit tests.
void TriggerStateChangeForTest(syncer::InvalidatorState state);
static bool RegisterJni(JNIEnv* env);
private:
typedef std::map<invalidation::ObjectId, int64_t, syncer::ObjectIdLessThan>
ObjectIdVersionMap;
// Friend class so that InvalidationServiceFactoryAndroid has access to
// private member object java_ref_.
friend class InvalidationServiceFactoryAndroid;
// Points to a Java instance of InvalidationService.
base::android::ScopedJavaGlobalRef<jobject> java_ref_;
syncer::InvalidatorRegistrar invalidator_registrar_;
syncer::InvalidatorState invalidator_state_;
// The invalidation API spec allows for the possibility of redundant
// invalidations, so keep track of the max versions and drop
// invalidations with old versions.
ObjectIdVersionMap max_invalidation_versions_;
// The invalidation logger object we use to record state changes
// and invalidations.
InvalidationLogger logger_;
DISALLOW_COPY_AND_ASSIGN(InvalidationServiceAndroid);
};
} // namespace invalidation
#endif // COMPONENTS_INVALIDATION_IMPL_INVALIDATION_SERVICE_ANDROID_H_
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