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// Copyright 2014 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.
#import "ios/web/public/test/js_test_util.h"
#import <UIKit/UIKit.h>
#import <WebKit/WebKit.h>
#import "base/logging.h"
#import "base/mac/scoped_nsobject.h"
#import "base/test/ios/wait_util.h"
#import "base/time/time.h"
#import "ios/web/public/web_state/js/crw_js_injection_manager.h"
#import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
using base::Time;
using base::TimeDelta;
namespace {
// The amount of time (in secs) |evaluate:StringResultHandler:| is given time to
// process until the test fails.
const NSTimeInterval kTimeout = 5.0;
}
namespace web {
NSString* EvaluateJavaScriptAsString(CRWJSInjectionManager* manager,
NSString* script) {
__block base::scoped_nsobject<NSString> evaluationResult;
[manager evaluate:script
stringResultHandler:^(NSString* result, NSError* error) {
DCHECK(result);
evaluationResult.reset([result copy]);
}];
// TODO(shreyasv): This is a temporary solution to have some duplicated code.
// The right way to implement this is to use |WaitUntilCondition|. Move to
// that when that function lives in ios/.
Time startTime = Time::Now();
while (!evaluationResult.get() &&
(Time::Now() - startTime < TimeDelta::FromSeconds(kTimeout))) {
NSDate* beforeDate = [NSDate dateWithTimeIntervalSinceNow:.01];
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
beforeDate:beforeDate];
}
DCHECK(evaluationResult);
return [[evaluationResult retain] autorelease];
}
NSString* EvaluateJavaScriptAsString(CRWJSInjectionReceiver* receiver,
NSString* script) {
base::scoped_nsobject<CRWJSInjectionManager> manager(
[[CRWJSInjectionManager alloc] initWithReceiver:receiver]);
return EvaluateJavaScriptAsString(manager, script);
}
NSString* EvaluateJavaScriptAsString(UIWebView* web_view, NSString* script) {
return [web_view stringByEvaluatingJavaScriptFromString:script];
}
id EvaluateJavaScript(WKWebView* web_view, NSString* script) {
__block base::scoped_nsobject<id> result;
[web_view evaluateJavaScript:script
completionHandler:^(id evaluationResult, NSError* error) {
DCHECK(!error);
result.reset([evaluationResult copy]);
}];
base::test::ios::WaitUntilCondition(^bool() {
return result;
});
return [[result retain] autorelease];
}
} // namespace web
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