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// Copyright 2017 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_FEATURE_ENGAGEMENT_INTERNAL_ANDROID_TRACKER_IMPL_ANDROID_H_
#define COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_ANDROID_TRACKER_IMPL_ANDROID_H_
#include <memory>
#include <string>
#include <unordered_map>
#include "base/android/callback_android.h"
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "base/macros.h"
#include "base/supports_user_data.h"
#include "components/feature_engagement/internal/tracker_impl.h"
#include "components/feature_engagement/public/feature_list.h"
#include "components/feature_engagement/public/tracker.h"
namespace base {
struct Feature;
} // namespace base
namespace feature_engagement {
// JNI bridge between DisplayLockHandleAndroid in Java and C++.
// This class owns the underlying DisplayLockHandle acquired from the backing
// Tracker. Ownership of this class is released to Java, which means Java owners
// MUST call release() before removing their reference to this object.
// This class must be in this header file, since it is used by the generated
// JNI code.
class DisplayLockHandleAndroid {
public:
DisplayLockHandleAndroid(
std::unique_ptr<DisplayLockHandle> display_lock_handle);
~DisplayLockHandleAndroid();
// Returns the Java-side of this JNI bridge.
base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
// Deletes |this|.
void Release(JNIEnv* env);
private:
// The DisplayLockHandle that this JNI bridge owns.
std::unique_ptr<DisplayLockHandle> display_lock_handle_;
// The Java-side of this JNI bridge.
base::android::ScopedJavaGlobalRef<jobject> java_obj_;
DISALLOW_COPY_AND_ASSIGN(DisplayLockHandleAndroid);
};
// JNI bridge between TrackerImpl in Java and C++. See the
// public API of Tracker for documentation for all methods.
class TrackerImplAndroid : public base::SupportsUserData::Data {
public:
using FeatureMap = std::unordered_map<std::string, const base::Feature*>;
static TrackerImplAndroid* FromJavaObject(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj);
TrackerImplAndroid(Tracker* tracker, FeatureVector features);
~TrackerImplAndroid() override;
base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
Tracker* tracker() { return tracker_; }
// Tracker JNI bridge implementation.
virtual void NotifyEvent(JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jevent);
virtual bool ShouldTriggerHelpUI(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jfeature);
virtual bool WouldTriggerHelpUI(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jfeature);
virtual bool HasEverTriggered(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jfeature,
const jboolean j_from_window);
virtual jint GetTriggerState(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jfeature);
virtual void Dismissed(JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jstring>& jfeature);
virtual base::android::ScopedJavaLocalRef<jobject> AcquireDisplayLock(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj);
virtual bool IsInitialized(JNIEnv* env,
const base::android::JavaRef<jobject>& jobj);
virtual void AddOnInitializedCallback(
JNIEnv* env,
const base::android::JavaRef<jobject>& jobj,
const base::android::JavaParamRef<jobject>& j_callback_obj);
private:
// A map from the feature name to the base::Feature, to ensure that the Java
// version of the API can use the string name. If base::Feature becomes a Java
// class as well, we should remove this mapping.
FeatureMap features_;
// The Tracker this is a JNI bridge for.
Tracker* tracker_;
// The Java-side of this JNI bridge.
base::android::ScopedJavaGlobalRef<jobject> java_obj_;
DISALLOW_COPY_AND_ASSIGN(TrackerImplAndroid);
};
} // namespace feature_engagement
#endif // COMPONENTS_FEATURE_ENGAGEMENT_INTERNAL_ANDROID_TRACKER_IMPL_ANDROID_H_
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