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- // Copyright (c) 2012 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.
- #include "ui/aura/client/visibility_client.h"
- #include "ui/aura/window.h"
- #include "ui/aura/window_event_dispatcher.h"
- #include "ui/base/class_property.h"
- DEFINE_UI_CLASS_PROPERTY_TYPE(aura::client::VisibilityClient*)
- namespace aura {
- namespace client {
- // A property key to store a client that handles window visibility changes.
- DEFINE_UI_CLASS_PROPERTY_KEY(VisibilityClient*,
- kWindowVisibilityClientKey,
- nullptr)
- void SetVisibilityClient(Window* window, VisibilityClient* client) {
- window->SetProperty(kWindowVisibilityClientKey, client);
- }
- VisibilityClient* GetVisibilityClient(Window* window) {
- VisibilityClient* visibility_client = NULL;
- aura::Window* current = window;
- do {
- visibility_client = current->GetProperty(kWindowVisibilityClientKey);
- current = current->parent();
- } while (current && !visibility_client);
- return visibility_client;
- }
- } // namespace client
- } // namespace aura
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