95 lines
2.0 KiB
Mathematica
95 lines
2.0 KiB
Mathematica
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "FBAlertsMonitor.h"
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#import "FBAlert.h"
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#import "FBLogger.h"
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#import "XCUIApplication+FBAlert.h"
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#import "XCUIApplication+FBHelpers.h"
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static const NSTimeInterval FB_MONTORING_INTERVAL = 2.0;
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@interface FBAlertsMonitor()
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@property (atomic) BOOL isMonitoring;
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@end
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@implementation FBAlertsMonitor
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- (instancetype)init
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{
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if ((self = [super init])) {
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_isMonitoring = NO;
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_delegate = nil;
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}
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return self;
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}
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- (void)scheduleNextTick
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{
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if (!self.isMonitoring) {
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return;
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}
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dispatch_time_t delta = (int64_t)(FB_MONTORING_INTERVAL * NSEC_PER_SEC);
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if (nil == self.delegate) {
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, delta), dispatch_get_main_queue(), ^{
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[self scheduleNextTick];
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});
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return;
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}
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dispatch_async(dispatch_get_main_queue(), ^{
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NSArray<XCUIApplication *> *activeApps = XCUIApplication.fb_activeApplications;
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for (XCUIApplication *activeApp in activeApps) {
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XCUIElement *alertElement = nil;
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@try {
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alertElement = activeApp.fb_alertElement;
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if (nil != alertElement) {
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[self.delegate didDetectAlert:[FBAlert alertWithElement:alertElement]];
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}
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} @catch (NSException *e) {
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[FBLogger logFmt:@"Got an unexpected exception while monitoring alerts: %@\n%@", e.reason, e.callStackSymbols];
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}
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if (nil != alertElement) {
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break;
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}
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}
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if (self.isMonitoring) {
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, delta), dispatch_get_main_queue(), ^{
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[self scheduleNextTick];
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});
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}
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});
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}
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- (void)enable
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{
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if (self.isMonitoring) {
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return;
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}
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self.isMonitoring = YES;
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[self scheduleNextTick];
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}
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- (void)disable
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{
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if (!self.isMonitoring) {
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return;
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}
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self.isMonitoring = NO;
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}
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@end
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