| // Copyright 2016 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 "modules/budget/NavigatorBudget.h" |
| |
| #include "core/frame/Navigator.h" |
| #include "modules/budget/Budget.h" |
| |
| namespace blink { |
| |
| NavigatorBudget::NavigatorBudget() |
| { |
| } |
| |
| // static |
| const char* NavigatorBudget::supplementName() |
| { |
| return "NavigatorBudget"; |
| } |
| |
| // static |
| NavigatorBudget& NavigatorBudget::from(Navigator& navigator) |
| { |
| // Get the unique NavigatorBudget associated with this navigator. |
| NavigatorBudget* navigatorBudget = static_cast<NavigatorBudget*>(Supplement<Navigator>::from(navigator, supplementName())); |
| if (!navigatorBudget) { |
| // If there isn't one already, create it now and associate it. |
| navigatorBudget = new NavigatorBudget(); |
| Supplement<Navigator>::provideTo(navigator, supplementName(), navigatorBudget); |
| } |
| return *navigatorBudget; |
| } |
| |
| Budget* NavigatorBudget::budget() |
| { |
| if (!m_budget) |
| m_budget = Budget::create(); |
| return m_budget.get(); |
| } |
| |
| // static |
| Budget* NavigatorBudget::budget(Navigator& navigator) |
| { |
| return NavigatorBudget::from(navigator).budget(); |
| } |
| |
| DEFINE_TRACE(NavigatorBudget) |
| { |
| visitor->trace(m_budget); |
| Supplement<Navigator>::trace(visitor); |
| } |
| |
| } // namespace blink |