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// Copyright 2014 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 CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_BOUND_OBJECT_H_
#define CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_BOUND_OBJECT_H_
#include <map>
#include <set>
#include "base/android/jni_weak_ref.h"
#include "base/android/scoped_java_ref.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/values.h"
#include "content/browser/android/java/java_method.h"
namespace content {
class GinJavaBoundObject
: public base::RefCountedThreadSafe<GinJavaBoundObject> {
public:
typedef int32 ObjectID;
static GinJavaBoundObject* CreateNamed(
const JavaObjectWeakGlobalRef& ref,
const base::android::JavaRef<jclass>& safe_annotation_clazz);
static GinJavaBoundObject* CreateTransient(
const JavaObjectWeakGlobalRef& ref,
const base::android::JavaRef<jclass>& safe_annotation_clazz,
int32 holder);
// The following methods can be called on any thread.
JavaObjectWeakGlobalRef& GetWeakRef() { return ref_; }
base::android::ScopedJavaLocalRef<jobject> GetLocalRef(JNIEnv* env) {
return ref_.get(env);
}
bool IsNamed() { return names_count_ > 0; }
void AddName() { ++names_count_; }
void RemoveName() { --names_count_; }
bool HasHolders() { return !holders_.empty(); }
void AddHolder(int32 holder) { holders_.insert(holder); }
void RemoveHolder(int32 holder) { holders_.erase(holder); }
// The following methods are called on the background thread.
std::set<std::string> GetMethodNames();
bool HasMethod(const std::string& method_name);
const JavaMethod* FindMethod(const std::string& method_name,
size_t num_parameters);
bool IsObjectGetClassMethod(const JavaMethod* method);
const base::android::JavaRef<jclass>& GetSafeAnnotationClass();
base::android::ScopedJavaLocalRef<jclass> GetLocalClassRef(JNIEnv* env);
private:
friend class base::RefCountedThreadSafe<GinJavaBoundObject>;
GinJavaBoundObject(
const JavaObjectWeakGlobalRef& ref,
const base::android::JavaRef<jclass>& safe_annotation_clazz);
GinJavaBoundObject(
const JavaObjectWeakGlobalRef& ref,
const base::android::JavaRef<jclass>& safe_annotation_clazz,
const std::set<int32>& holders);
~GinJavaBoundObject();
// The following methods are called on the background thread.
void EnsureMethodsAreSetUp();
JavaObjectWeakGlobalRef ref_;
// An object must be kept in retained_object_set_ either if it has
// names or if it has a non-empty holders set.
int names_count_;
std::set<int32> holders_;
// The following fields are accessed on the background thread.
typedef std::multimap<std::string, linked_ptr<JavaMethod> > JavaMethodMap;
JavaMethodMap methods_;
jmethodID object_get_class_method_id_;
bool are_methods_set_up_;
base::android::ScopedJavaGlobalRef<jclass> safe_annotation_clazz_;
};
} // namespace content
#endif // CONTENT_BROWSER_ANDROID_JAVA_GIN_JAVA_BOUND_OBJECT_H_
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