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/*
* Copyright (C) 2018 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.
*/
#import "config.h"
#if PLATFORM(IOS_FAMILY)
#import "PlatformUtilities.h"
#import "TestWKWebView.h"
#import <WebKit/WKWebViewPrivate.h>
static void traverseLayerTree(CALayer *layer, void(^block)(CALayer *))
{
for (CALayer *child in layer.sublayers)
traverseLayerTree(child, block);
block(layer);
}
TEST(WKScrollViewTests, PositionFixedLayerAfterScrolling)
{
auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, 500)]);
[webView synchronouslyLoadTestPageNamed:@"fixed-nav-bar"];
__block bool done = false;
[webView _doAfterNextPresentationUpdate:^() {
done = true;
}];
[CATransaction begin];
[webView scrollView].contentOffset = CGPointMake(0, 5000);
[CATransaction commit];
// Purposefully hang the main thread for a short while to give the remote layer tree transaction an
// opportunity to arrive in the UI process before dispatching the next visible content rect update.
usleep(USEC_PER_SEC * 0.25);
TestWebKitAPI::Util::run(&done);
bool foundLayerForFixedNavigationBar = false;
traverseLayerTree([webView layer], [&] (CALayer *layer) {
if (!CGSizeEqualToSize(layer.bounds.size, CGSizeMake(320, 50)))
return;
auto boundsInWebViewCoordinates = [layer convertRect:layer.bounds toLayer:[webView layer]];
EXPECT_EQ(CGRectGetMinX(boundsInWebViewCoordinates), 0);
EXPECT_EQ(CGRectGetMinY(boundsInWebViewCoordinates), 0);
foundLayerForFixedNavigationBar = true;
});
EXPECT_TRUE(foundLayerForFixedNavigationBar);
}
#endif // PLATFORM(IOS_FAMILY)