1 // Copyright (c) 2011 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 #ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_ 7 8 #include <jni.h> 9 #include <string> 10 #include <vector> 11 12 #include "base/android/scoped_java_ref.h" 13 #include "content/browser/renderer_host/java/java_type.h" 14 15 namespace content { 16 17 // Wrapper around java.lang.reflect.Method. This class must be used on a single 18 // thread only. 19 class JavaMethod { 20 public: 21 explicit JavaMethod(const base::android::JavaRef<jobject>& method); 22 ~JavaMethod(); 23 24 const std::string& name() const { return name_; } 25 size_t num_parameters() const; 26 const JavaType& parameter_type(size_t index) const; 27 const JavaType& return_type() const; 28 jmethodID id() const; 29 30 private: 31 void EnsureNumParametersIsSetUp() const; 32 void EnsureTypesAndIDAreSetUp() const; 33 34 std::string name_; 35 mutable base::android::ScopedJavaGlobalRef<jobject> java_method_; 36 mutable bool have_calculated_num_parameters_; 37 mutable size_t num_parameters_; 38 mutable std::vector<JavaType> parameter_types_; 39 mutable JavaType return_type_; 40 mutable jmethodID id_; 41 42 DISALLOW_IMPLICIT_CONSTRUCTORS(JavaMethod); 43 }; 44 45 } // namespace content 46 47 #endif // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_METHOD_H_ 48
