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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_MOJO_MOJO_BINDING_CONTEXT_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_MOJO_MOJO_BINDING_CONTEXT_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/platform/context_lifecycle_notifier.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace mojo {
template <typename Interface>
class PendingRemote;
}
namespace blink {
class BrowserInterfaceBrokerProxy;
namespace mojom::blink {
class BrowserInterfaceBroker;
}
// This class encapsulates the necessary information for binding Mojo
// interfaces, to enable interfaces provided by the platform to be aware of the
// context in which they are intended to be used.
class PLATFORM_EXPORT MojoBindingContext
: public ContextLifecycleNotifier,
public Supplementable<MojoBindingContext> {
public:
virtual const BrowserInterfaceBrokerProxy& GetBrowserInterfaceBroker()
const = 0;
virtual scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner(
TaskType) = 0;
bool ShouldUseMojoJSInterfaceBroker() const;
// Returns a BrowserInterfaceBroker that should be used to handle JavaScript
// Mojo.bindInterface calls.
const BrowserInterfaceBrokerProxy& GetMojoJSInterfaceBroker() const;
void SetMojoJSInterfaceBroker(
mojo::PendingRemote<mojom::blink::BrowserInterfaceBroker> broker_remote);
void Trace(Visitor* visitor) const override {
ContextLifecycleNotifier::Trace(visitor);
Supplementable::Trace(visitor);
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_MOJO_MOJO_BINDING_CONTEXT_H_
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