| /* |
| * Copyright (C) 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef ApplicationStateTracker_h |
| #define ApplicationStateTracker_h |
| |
| #if PLATFORM(IOS_FAMILY) |
| |
| #import <wtf/Forward.h> |
| #import <wtf/WeakObjCPtr.h> |
| #import <wtf/WeakPtr.h> |
| |
| OBJC_CLASS BKSApplicationStateMonitor; |
| OBJC_CLASS UIView; |
| |
| namespace WebKit { |
| |
| class ApplicationStateTracker : public CanMakeWeakPtr<ApplicationStateTracker> { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| ApplicationStateTracker(UIView *, SEL didEnterBackgroundSelector, SEL didFinishSnapshottingAfterEnteringBackgroundSelector, SEL willEnterForegroundSelector); |
| ~ApplicationStateTracker(); |
| |
| bool isInBackground() const { return m_isInBackground; } |
| |
| private: |
| void applicationDidEnterBackground(); |
| void applicationDidFinishSnapshottingAfterEnteringBackground(); |
| void applicationWillEnterForeground(); |
| |
| WeakObjCPtr<UIView> m_view; |
| SEL m_didEnterBackgroundSelector; |
| SEL m_didFinishSnapshottingAfterEnteringBackgroundSelector; |
| SEL m_willEnterForegroundSelector; |
| |
| bool m_isInBackground; |
| |
| RetainPtr<BKSApplicationStateMonitor> m_applicationStateMonitor; |
| |
| id m_didEnterBackgroundObserver; |
| id m_didFinishSnapshottingAfterEnteringBackgroundObserver; |
| id m_willEnterForegroundObserver; |
| }; |
| |
| } |
| |
| #endif |
| |
| #endif // ApplicationStateTracker_h |