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53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_MANAGER_DELEGATE_H_
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#define MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_MANAGER_DELEGATE_H_
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#include <string>
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#include "mojo/public/interfaces/application/service_provider.mojom.h"
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namespace mojo {
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class View;
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class ViewManager;
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// Interface implemented by an application using the view manager.
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class ViewManagerDelegate {
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public:
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// Called when the application implementing this interface is embedded at
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// |root|. Every embed results in a new ViewManager and root View being
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// created. |root| and it's corresponding ViewManager are valid until
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// OnViewManagerDisconnected() is called with the same object.
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//
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// |services| exposes the services offered by the embedder to the delegate.
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//
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// |exposed_services| is an object that the delegate can add services to
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// expose to the embedder.
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//
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// Note that if a different application is subsequently embedded at |root|,
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// the pipes connecting |services| and |exposed_services| to the embedder and
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// any services obtained from them are not broken and will continue to be
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// valid.
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virtual void OnEmbed(View* root,
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InterfaceRequest<ServiceProvider> services,
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ServiceProviderPtr exposed_services) = 0;
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// Called when a connection to the view manager service is closed.
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// |view_manager| is not valid after this function returns.
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virtual void OnViewManagerDisconnected(ViewManager* view_manager) = 0;
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// Asks the delegate to perform the specified action.
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// TODO(sky): nuke! See comments in view_manager.mojom for details.
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virtual bool OnPerformAction(View* view, const std::string& action);
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protected:
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virtual ~ViewManagerDelegate() {}
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};
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} // namespace mojo
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#endif // MOJO_SERVICES_VIEW_MANAGER_CPP_VIEW_MANAGER_DELEGATE_H_
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