[Android] Move content/browser/{renderer_host => android}/java/*

content/browser/renderer_host/java/java_bound_object.h

-// Copyright (c) 2012 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_BOUND_OBJECT_H_
-#define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BOUND_OBJECT_H_
-
-#include <jni.h>
-#include <map>
-#include <string>
-
-#include "base/android/jni_weak_ref.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/memory/linked_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "content/browser/renderer_host/java/java_method.h"
-#include "third_party/npapi/bindings/npruntime.h"
-
-namespace content {
-
-class JavaBridgeDispatcherHostManager;
-
-// Wrapper around a Java object.
-//
-// Represents a Java object for use in the Java bridge. Holds a global ref to
-// the Java object and provides the ability to invoke methods on it.
-// Interrogation of the Java object for its methods is done lazily. This class
-// is not generally threadsafe. However, it does allow for instances to be
-// created and destroyed on different threads.
-class JavaBoundObject {
- public:
-  // Takes a Java object and creates a JavaBoundObject around it. If
-  // |safe_annotation_clazz| annotation is non-null, the method is exposed
-  // to JavaScript. Returns an NPObject with a ref count of one which owns the
-  // JavaBoundObject.
-  // See also comment below for |manager_|.
-  static NPObject* Create(
-      const base::android::JavaRef<jobject>& object,
-      const base::android::JavaRef<jclass>& safe_annotation_clazz,
-      const base::WeakPtr<JavaBridgeDispatcherHostManager>& manager,
-      bool can_enumerate_methods);
-
-  virtual ~JavaBoundObject();
-
-  // Gets a local ref to the underlying JavaObject from a JavaBoundObject
-  // wrapped as an NPObject. May return null if the underlying object has
-  // been garbage collected.
-  static base::android::ScopedJavaLocalRef<jobject> GetJavaObject(
-      NPObject* object);
-
-  // Methods to implement the NPObject callbacks.
-  bool CanEnumerateMethods() const { return can_enumerate_methods_; }
-  std::vector<std::string> GetMethodNames() const;
-  bool HasMethod(const std::string& name) const;
-  bool Invoke(const std::string& name, const NPVariant* args, size_t arg_count,
-              NPVariant* result);
-
- private:
-  JavaBoundObject(
-      const base::android::JavaRef<jobject>& object,
-      const base::android::JavaRef<jclass>& safe_annotation_clazz,
-      const base::WeakPtr<JavaBridgeDispatcherHostManager>& manager,
-      bool can_enumerate_methods);
-
-  void EnsureMethodsAreSetUp() const;
-  base::android::ScopedJavaLocalRef<jclass> GetLocalClassRef(JNIEnv* env) const;
-
-  static void ThrowSecurityException(const char* message);
-
-  // The weak ref to the underlying Java object that this JavaBoundObject
-  // instance represents.
-  JavaObjectWeakGlobalRef java_object_;
-
-  // Keep a pointer back to the JavaBridgeDispatcherHostManager so that we
-  // can notify it when this JavaBoundObject is destroyed. JavaBoundObjects
-  // may outlive the manager so keep a WeakPtr. Note the WeakPtr may only be
-  // dereferenced on the UI thread.
-  base::WeakPtr<JavaBridgeDispatcherHostManager> manager_;
-
-  // Map of public methods, from method name to Method instance. Multiple
-  // entries will be present for overloaded methods. Note that we can't use
-  // scoped_ptr in STL containers as we can't copy it.
-  typedef std::multimap<std::string, linked_ptr<JavaMethod> > JavaMethodMap;
-  mutable JavaMethodMap methods_;
-  mutable bool are_methods_set_up_;
-  mutable jmethodID object_get_class_method_id_;
-  const bool can_enumerate_methods_;
-
-  base::android::ScopedJavaGlobalRef<jclass> safe_annotation_clazz_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(JavaBoundObject);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BOUND_OBJECT_H_