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// 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_RENDERER_EXTENSIONS_RENDERER_CLIENT_H_
#define EXTENSIONS_RENDERER_EXTENSIONS_RENDERER_CLIENT_H_
#include "extensions/common/extension_id.h"
class GURL;
namespace extensions {
class Extension;
class Dispatcher;
// Interface to allow the extensions module to make render-process-specific
// queries of the embedder. Should be Set() once in the render process.
//
// NOTE: Methods that do not require knowledge of renderer concepts should be
// added in ExtensionsClient (extensions/common/extensions_client.h) even if
// they are only used in the renderer process.
class ExtensionsRendererClient {
public:
virtual ~ExtensionsRendererClient() {}
// Returns true if the current render process was launched incognito.
virtual bool IsIncognitoProcess() const = 0;
// Returns the lowest isolated world ID available to extensions.
// Must be greater than 0. See blink::WebFrame::executeScriptInIsolatedWorld
// (third_party/WebKit/public/web/WebFrame.h) for additional context.
virtual int GetLowestIsolatedWorldId() const = 0;
// Returns the associated Dispatcher.
virtual Dispatcher* GetDispatcher() = 0;
// Notifies the client when an extension is added or removed.
// TODO(devlin): Make a RendererExtensionRegistryObserver?
virtual void OnExtensionLoaded(const Extension& extension) {}
virtual void OnExtensionUnloaded(const ExtensionId& extension) {}
// Returns whether or not extension APIs are allowed for the specified
// script. The script must be specified in the extension's manifest
// background section and the scope must be the root scope of the
// extension.
virtual bool ExtensionAPIEnabledForServiceWorkerScript(
const GURL& scope,
const GURL& script_url) const = 0;
// Returns the single instance of |this|.
static ExtensionsRendererClient* Get();
// Initialize the single instance.
static void Set(ExtensionsRendererClient* client);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_EXTENSIONS_RENDERER_CLIENT_H_
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