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// Copyright 2019 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 EXTENSIONS_RENDERER_BINDINGS_INTERACTION_PROVIDER_H_
#define EXTENSIONS_RENDERER_BINDINGS_INTERACTION_PROVIDER_H_
#include <memory>
#include "v8/include/v8.h"
namespace extensions {
// Provides user interaction related utilities.
class InteractionProvider {
public:
// A token for an interaction. This can be used for deferred creation of an
// interaction.
class Token {
public:
virtual ~Token() {}
};
// The scope for an interaction.
// A context is assumed to have active interaction while this is present.
class Scope {
public:
virtual ~Scope() {}
};
virtual ~InteractionProvider() {}
// Returns a token representing the current state of interaction,
// possibly for use in later point in time to create a |Scope|.
virtual std::unique_ptr<Token> GetCurrentToken(
v8::Local<v8::Context> v8_context) const = 0;
// Creates a scoped interaction from a |token|, possibly retrieved earlier.
virtual std::unique_ptr<Scope> CreateScopedInteraction(
v8::Local<v8::Context> v8_context,
std::unique_ptr<Token> token) const = 0;
// Returns true if |v8_context| has an active interaction.
virtual bool HasActiveInteraction(
v8::Local<v8::Context> v8_context) const = 0;
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_BINDINGS_INTERACTION_PROVIDER_H_
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