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// Copyright (c) 2011 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_RENDERER_HOST_JAVA_JAVA_METHOD_H_
#define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_
#include <jni.h>
#include <string>
#include <vector>
#include "base/android/scoped_java_ref.h"
#include "content/browser/renderer_host/java/java_type.h"
// Wrapper around java.lang.reflect.Method. This class must be used on a single
// thread only.
class JavaMethod {
public:
explicit JavaMethod(const base::android::JavaRef<jobject>& method);
~JavaMethod();
const std::string& name() const { return name_; }
size_t num_parameters() const;
const JavaType& parameter_type(size_t index) const;
const JavaType& return_type() const;
jmethodID id() const;
private:
void EnsureNumParametersIsSetUp() const;
void EnsureTypesAndIDAreSetUp() const;
std::string name_;
mutable base::android::ScopedJavaGlobalRef<jobject> java_method_;
mutable bool have_calculated_num_parameters_;
mutable size_t num_parameters_;
mutable std::vector<JavaType> parameter_types_;
mutable JavaType return_type_;
mutable jmethodID id_;
DISALLOW_IMPLICIT_CONSTRUCTORS(JavaMethod);
};
#endif // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_
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