chromium/extensions/browser/extension_host.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef EXTENSIONS_BROWSER_EXTENSION_HOST_H_
#define EXTENSIONS_BROWSER_EXTENSION_HOST_H_

#include <stdint.h>

#include <memory>
#include <string>
#include <unordered_map>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "content/public/browser/media_stream_request.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "extensions/browser/deferred_start_render_host.h"
#include "extensions/browser/extension_function_dispatcher.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/mojom/view_type.mojom.h"
#include "extensions/common/stack_frame.h"

namespace base {
class ElapsedTimer;
}  // namespace base

namespace content {
class BrowserContext;
class RenderProcessHost;
class SiteInstance;
}  // namespace content

namespace extensions {
class Extension;
class ExtensionHostDelegate;
class ExtensionHostObserver;
class ExtensionHostQueue;

enum class EventDispatchSource;

// This class is the browser component of an extension component's page.
// It handles setting up the renderer process, if needed, with special
// privileges available to extensions.  It may have a view to be shown in the
// browser UI, or it may be hidden.
//
// If you are adding code that only affects visible extension views (and not
// invisible background pages) you should add it to ExtensionViewHost.
class ExtensionHost : public DeferredStartRenderHost,
                      public content::WebContentsDelegate,
                      public content::WebContentsObserver,
                      public ExtensionFunctionDispatcher::Delegate,
                      public ExtensionRegistryObserver { … };

}  // namespace extensions

#endif  // EXTENSIONS_BROWSER_EXTENSION_HOST_H_