| OLD | NEW |
| (Empty) |
| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/view_manager/public/cpp/scoped_view_ptr.h" | |
| 6 | |
| 7 #include "components/view_manager/public/cpp/view.h" | |
| 8 #include "components/view_manager/public/cpp/view_observer.h" | |
| 9 #include "components/view_manager/public/cpp/view_tree_connection.h" | |
| 10 | |
| 11 namespace mojo { | |
| 12 | |
| 13 ScopedViewPtr::ScopedViewPtr(View* view) | |
| 14 : view_(view) { | |
| 15 view_->AddObserver(this); | |
| 16 } | |
| 17 | |
| 18 ScopedViewPtr::~ScopedViewPtr() { | |
| 19 if (view_) | |
| 20 DeleteViewOrViewManager(view_); | |
| 21 DetachFromView(); | |
| 22 } | |
| 23 | |
| 24 // static | |
| 25 void ScopedViewPtr::DeleteViewOrViewManager(View* view) { | |
| 26 if (view->connection()->GetRoot() == view) | |
| 27 delete view->connection(); | |
| 28 else | |
| 29 view->Destroy(); | |
| 30 } | |
| 31 | |
| 32 void ScopedViewPtr::DetachFromView() { | |
| 33 if (!view_) | |
| 34 return; | |
| 35 | |
| 36 view_->RemoveObserver(this); | |
| 37 view_ = nullptr; | |
| 38 } | |
| 39 | |
| 40 void ScopedViewPtr::OnViewDestroying(View* view) { | |
| 41 DCHECK_EQ(view_, view); | |
| 42 DetachFromView(); | |
| 43 } | |
| 44 | |
| 45 } // namespace mojo | |
| OLD | NEW |