| /* |
| * Copyright (C) 2008-2017 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. ``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 |
| * 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. |
| */ |
| |
| #import "config.h" |
| #import "NetworkStateNotifier.h" |
| |
| #if PLATFORM(IOS) |
| |
| #import "DeprecatedGlobalSettings.h" |
| #import "WebCoreThreadRun.h" |
| #import <wtf/SoftLinking.h> |
| |
| #if USE(APPLE_INTERNAL_SDK) |
| #import <AppSupport/CPNetworkObserver.h> |
| #else |
| @interface CPNetworkObserver : NSObject |
| + (CPNetworkObserver *)sharedNetworkObserver; |
| - (void)addNetworkReachableObserver:(id)observer selector:(SEL)selector; |
| - (BOOL)isNetworkReachable; |
| @end |
| #endif |
| |
| SOFT_LINK_PRIVATE_FRAMEWORK(AppSupport); |
| SOFT_LINK_CLASS(AppSupport, CPNetworkObserver); |
| |
| @interface WebNetworkStateObserver : NSObject { |
| void (^block)(); |
| } |
| - (id)initWithBlock:(void (^)())block; |
| @end |
| |
| @implementation WebNetworkStateObserver |
| |
| - (id)initWithBlock:(void (^)())observerBlock |
| { |
| if (!(self = [super init])) |
| return nil; |
| [[getCPNetworkObserverClass() sharedNetworkObserver] addNetworkReachableObserver:self selector:@selector(networkStateChanged:)]; |
| block = [observerBlock copy]; |
| return self; |
| } |
| |
| - (void)dealloc |
| { |
| [block release]; |
| [super dealloc]; |
| } |
| |
| - (void)networkStateChanged:(NSNotification *)unusedNotification |
| { |
| UNUSED_PARAM(unusedNotification); |
| block(); |
| } |
| |
| @end |
| |
| namespace WebCore { |
| |
| void NetworkStateNotifier::updateStateWithoutNotifying() |
| { |
| m_isOnLine = [[getCPNetworkObserverClass() sharedNetworkObserver] isNetworkReachable]; |
| } |
| |
| void NetworkStateNotifier::startObserving() |
| { |
| if (DeprecatedGlobalSettings::shouldOptOutOfNetworkStateObservation()) |
| return; |
| m_observer = adoptNS([[WebNetworkStateObserver alloc] initWithBlock:^ { |
| WebThreadRun(^ { |
| NetworkStateNotifier::singleton().updateStateSoon(); |
| }); |
| }]); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // PLATFORM(IOS) |