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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_SERVER_VIEW_OBSERVER_H_
#define COMPONENTS_VIEW_MANAGER_SERVER_VIEW_OBSERVER_H_
#include "components/view_manager/public/interfaces/view_manager_constants.mojom.h"
namespace gfx {
class Rect;
}
namespace mojo {
class ViewportMetrics;
}
namespace ui {
struct TextInputState;
}
namespace view_manager {
class ServerView;
// TODO(sky): rename to OnDid and OnWill everywhere.
class ServerViewObserver {
public:
// Invoked when a view is about to be destroyed; before any of the children
// have been removed and before the view has been removed from its parent.
virtual void OnWillDestroyView(ServerView* view) {}
// Invoked at the end of the View's destructor (after it has been removed from
// the hierarchy).
virtual void OnViewDestroyed(ServerView* view) {}
virtual void OnWillChangeViewHierarchy(ServerView* view,
ServerView* new_parent,
ServerView* old_parent) {}
virtual void OnViewHierarchyChanged(ServerView* view,
ServerView* new_parent,
ServerView* old_parent) {}
virtual void OnViewBoundsChanged(ServerView* view,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) {}
virtual void OnViewReordered(ServerView* view,
ServerView* relative,
mojo::OrderDirection direction) {}
virtual void OnWillChangeViewVisibility(ServerView* view) {}
virtual void OnViewVisibilityChanged(ServerView* view) {}
virtual void OnViewTextInputStateChanged(ServerView* view,
const ui::TextInputState& state) {}
virtual void OnViewSharedPropertyChanged(
ServerView* view,
const std::string& name,
const std::vector<uint8_t>* new_data) {}
protected:
virtual ~ServerViewObserver() {}
};
} // namespace view_manager
#endif // COMPONENTS_VIEW_MANAGER_SERVER_VIEW_OBSERVER_H_
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