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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_RENDERER_MOJO_INTERFACE_PROVIDER_JS_WRAPPER_H_
+#define CONTENT_RENDERER_MOJO_INTERFACE_PROVIDER_JS_WRAPPER_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "content/common/content_export.h"
+#include "gin/handle.h"
+#include "gin/object_template_builder.h"
+#include "gin/wrappable.h"
+#include "mojo/public/cpp/system/message_pipe.h"
+#include "v8/include/v8.h"
+
+namespace shell {
+class InterfaceProvider;
+}
+
+namespace content {
+
+// A JS wrapper around shell::InterfaceProvider that allows connecting to
+// remote services.
+class CONTENT_EXPORT InterfaceProviderJsWrapper
+ : public gin::Wrappable<InterfaceProviderJsWrapper> {
+ public:
+ ~InterfaceProviderJsWrapper() override;
+ static gin::Handle<InterfaceProviderJsWrapper> Create(
+ v8::Isolate* isolate,
+ v8::Handle<v8::Context> context,
+ shell::InterfaceProvider* remote_interfaces);
+
+ // gin::Wrappable<InterfaceProviderJsWrapper> overrides.
+ gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+ v8::Isolate* isolate) override;
+
+ // JS interface implementation.
+ void AddOverrideForTesting(const std::string& interface_name,
+ v8::Local<v8::Function> interface_factory);
+ void ClearOverridesForTesting();
+ mojo::Handle GetInterface(const std::string& interface_name);
+
+ static gin::WrapperInfo kWrapperInfo;
+ static const char kPerFrameModuleName[];
+ static const char kPerProcessModuleName[];
+
+ private:
+ using ScopedJsFactory =
+ v8::Persistent<v8::Function, v8::CopyablePersistentTraits<v8::Function>>;
+
+ InterfaceProviderJsWrapper(
+ v8::Isolate* isolate,
+ v8::Handle<v8::Context> context,
+ base::WeakPtr<shell::InterfaceProvider> remote_interfaces);
+
+ void CallJsFactory(const ScopedJsFactory& factory,
+ mojo::ScopedMessagePipeHandle pipe);
+
+ static void ClearContext(
+ const v8::WeakCallbackInfo<InterfaceProviderJsWrapper>& data);
+
+ v8::Isolate* isolate_;
+ v8::Global<v8::Context> context_;
+ base::WeakPtr<shell::InterfaceProvider> remote_interfaces_;
+
+ base::WeakPtrFactory<InterfaceProviderJsWrapper> weak_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(InterfaceProviderJsWrapper);
+};
+
+} // namespace content
+
+#endif // CONTENT_RENDERER_MOJO_INTERFACE_PROVIDER_JS_WRAPPER_H_