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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIEW_MANAGER_VIEW_MANAGER_ROOT_DELEGATE_H_
#define COMPONENTS_VIEW_MANAGER_VIEW_MANAGER_ROOT_DELEGATE_H_
namespace view_manager {
class ViewManagerServiceImpl;
// A ViewManagerRootDelegate interface is implemented by an object that
// has the ViewManagerServiceImpl that is associated with the
// ViewManagerRootImpl that holds a pointer to this object. Typically, a
// ViewManagerRootDelegate will also manage the lifetime of the
// ViewManagerRootImpl and will delete the object when it gets informed of
// when the Display of the root is closed.
class ViewManagerRootDelegate {
public:
// Called when the window associated with the root is completely initialized
// (i.e. the ViewportMetrics for the display is known).
virtual void OnDisplayInitialized() = 0;
// Called when the window associated with the root is closed.
virtual void OnDisplayClosed() = 0;
// Returns the ViewManagerServiceImpl associated with the delegate.
virtual ViewManagerServiceImpl* GetViewManagerService() = 0;
protected:
virtual ~ViewManagerRootDelegate() {}
};
} // namespace view_manager
#endif // COMPONENTS_VIEW_MANAGER_VIEW_MANAGER_ROOT_DELEGATE_H_
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