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content / public / renderer / render_thread_observer.h [blame]
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_
#define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_
#include "content/common/buildflags.h"
#include "content/common/content_export.h"
namespace blink {
class AssociatedInterfaceRegistry;
}
#if BUILDFLAG(CONTENT_ENABLE_LEGACY_IPC)
namespace IPC {
class Message;
}
#endif
namespace content {
// Base class for objects that want to filter control IPC messages and get
// notified of events.
class CONTENT_EXPORT RenderThreadObserver {
public:
RenderThreadObserver() {}
RenderThreadObserver(const RenderThreadObserver&) = delete;
RenderThreadObserver& operator=(const RenderThreadObserver&) = delete;
virtual ~RenderThreadObserver() {}
// Allows handling incoming Mojo requests.
virtual void RegisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {}
virtual void UnregisterMojoInterfaces(
blink::AssociatedInterfaceRegistry* associated_interfaces) {}
#if BUILDFLAG(CONTENT_ENABLE_LEGACY_IPC)
// Allows filtering of control messages.
virtual bool OnControlMessageReceived(const IPC::Message& message);
#endif
// Called when the renderer cache of the plugin list has changed.
virtual void PluginListChanged() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_