Tools/TestWebKitAPI/Tests/ios/ScrollViewScrollabilityTests.mm - WebKit - Git at Google

 /*
  * 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 "TestInputDelegate.h"
 #import "TestNavigationDelegate.h"
 #import "TestWKWebView.h"
 #import <UIKit/UIKit.h>
 #import <WebKit/WKWebViewPrivate.h>

 namespace TestWebKitAPI {

 static NSString *scrollableDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px;'>";
 static NSString *nonScrollableDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px; overflow: hidden'>";
 static NSString *nonScrollableWithInputDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px; overflow: hidden'><input autofocus>";

 static const CGFloat viewHeight = 500;

 static RetainPtr<TestWKWebView> webViewWithAutofocusedInput(const RetainPtr<TestInputDelegate>& inputDelegate)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);

     bool doneWaiting = false;
     [inputDelegate setFocusStartsInputSessionPolicyHandler:[&] (WKWebView *, id <_WKFocusedElementInfo>) -> _WKFocusStartsInputSessionPolicy {
         doneWaiting = true;
         return _WKFocusStartsInputSessionPolicyAllow;
     }];
     [webView _setInputDelegate:inputDelegate.get()];
     [webView synchronouslyLoadHTMLString:nonScrollableWithInputDocumentMarkup];

     TestWebKitAPI::Util::run(&doneWaiting);
     doneWaiting = false;
     return webView;
 }

 TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowVisible)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:scrollableDocumentMarkup];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
 }

 TEST(ScrollViewScrollabilityTests, NonScrollableWithOverflowHidden)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);
 }

 TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenWhenZoomed)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
     [webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
     [[webView scrollView] setZoomScale:1.5 animated:NO];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
 }

 TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndInputView)
 {
     auto inputView = adoptNS([[UIView alloc] init]);
     auto inputAccessoryView = adoptNS([[UIView alloc] init]);
     auto inputDelegate = adoptNS([TestInputDelegate new]);
     [inputDelegate setWillStartInputSessionHandler:[inputView, inputAccessoryView] (WKWebView *, id<_WKFormInputSession> session) {
         session.customInputView = inputView.get();
         session.customInputAccessoryView = inputAccessoryView.get();
     }];

     auto webView = webViewWithAutofocusedInput(inputDelegate);
     [webView waitForNextPresentationUpdate];

     BOOL isPhone = [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone;
     if (isPhone)
         EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
 }

 TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndVisibleUI)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);

     // Simulate portrait phone with:
     // Top bar size: 50
     // Shrunk top bar size: 40
     // Bottom bar size: 44
     UIEdgeInsets obscuredInsets;
     obscuredInsets.top = 50;
     obscuredInsets.left = 0;
     obscuredInsets.bottom = 44;
     obscuredInsets.right = 0;

     [webView _setObscuredInsets:obscuredInsets];
     [webView _overrideLayoutParametersWithMinimumLayoutSize:CGSizeMake(320, 406) maximumUnobscuredSizeOverride:CGSizeMake(320, 490)];

     [webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);
 }

 TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndShrunkUI)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, viewHeight, 414)]);

     // Simulate landscape phone with hidden bars.
     UIEdgeInsets obscuredInsets;
     obscuredInsets.top = 0;
     obscuredInsets.left = 0;
     obscuredInsets.bottom = 0;
     obscuredInsets.right = 0;

     [webView _setObscuredInsets:obscuredInsets];
     [webView _overrideLayoutParametersWithMinimumLayoutSize:CGSizeMake(viewHeight, 414) maximumUnobscuredSizeOverride:CGSizeMake(viewHeight, 414)];

     [webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
 }

 TEST(ScrollViewScrollabilityTests, ScrollableAfterNavigateToPDF)
 {
     auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, viewHeight, 414)]);

     [webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
     [webView waitForNextPresentationUpdate];
     EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);

     NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"test" withExtension:@"pdf" subdirectory:@"TestWebKitAPI.resources"]];
     [webView loadRequest:request];

     [webView _test_waitForDidFinishNavigation];

     EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
 }

 } // namespace TestWebKitAPI

 #endif // PLATFORM(IOS_FAMILY)
	/*
	* 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 "TestInputDelegate.h"
	#import "TestNavigationDelegate.h"
	#import "TestWKWebView.h"
	#import <UIKit/UIKit.h>
	#import <WebKit/WKWebViewPrivate.h>

	namespace TestWebKitAPI {

	static NSString *scrollableDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px;'>";
	static NSString *nonScrollableDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px; overflow: hidden'>";
	static NSString *nonScrollableWithInputDocumentMarkup = @"<meta name='viewport' content='width=device-width, initial-scale=1'><body style='width: 100%; height: 5000px; overflow: hidden'><input autofocus>";

	static const CGFloat viewHeight = 500;

	static RetainPtr<TestWKWebView> webViewWithAutofocusedInput(const RetainPtr<TestInputDelegate>& inputDelegate)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);

	bool doneWaiting = false;
	[inputDelegate setFocusStartsInputSessionPolicyHandler:[&] (WKWebView *, id <_WKFocusedElementInfo>) -> _WKFocusStartsInputSessionPolicy {
	doneWaiting = true;
	return _WKFocusStartsInputSessionPolicyAllow;
	}];
	[webView _setInputDelegate:inputDelegate.get()];
	[webView synchronouslyLoadHTMLString:nonScrollableWithInputDocumentMarkup];

	TestWebKitAPI::Util::run(&doneWaiting);
	doneWaiting = false;
	return webView;
	}

	TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowVisible)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:scrollableDocumentMarkup];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
	}

	TEST(ScrollViewScrollabilityTests, NonScrollableWithOverflowHidden)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);
	}

	TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenWhenZoomed)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);
	[webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
	[[webView scrollView] setZoomScale:1.5 animated:NO];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
	}

	TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndInputView)
	{
	auto inputView = adoptNS([[UIView alloc] init]);
	auto inputAccessoryView = adoptNS([[UIView alloc] init]);
	auto inputDelegate = adoptNS([TestInputDelegate new]);
	[inputDelegate setWillStartInputSessionHandler:[inputView, inputAccessoryView] (WKWebView *, id<_WKFormInputSession> session) {
	session.customInputView = inputView.get();
	session.customInputAccessoryView = inputAccessoryView.get();
	}];

	auto webView = webViewWithAutofocusedInput(inputDelegate);
	[webView waitForNextPresentationUpdate];

	BOOL isPhone = [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone;
	if (isPhone)
	EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
	}

	TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndVisibleUI)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, viewHeight)]);

	// Simulate portrait phone with:
	// Top bar size: 50
	// Shrunk top bar size: 40
	// Bottom bar size: 44
	UIEdgeInsets obscuredInsets;
	obscuredInsets.top = 50;
	obscuredInsets.left = 0;
	obscuredInsets.bottom = 44;
	obscuredInsets.right = 0;

	[webView _setObscuredInsets:obscuredInsets];
	[webView _overrideLayoutParametersWithMinimumLayoutSize:CGSizeMake(320, 406) maximumUnobscuredSizeOverride:CGSizeMake(320, 490)];

	[webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);
	}

	TEST(ScrollViewScrollabilityTests, ScrollableWithOverflowHiddenAndShrunkUI)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, viewHeight, 414)]);

	// Simulate landscape phone with hidden bars.
	UIEdgeInsets obscuredInsets;
	obscuredInsets.top = 0;
	obscuredInsets.left = 0;
	obscuredInsets.bottom = 0;
	obscuredInsets.right = 0;

	[webView _setObscuredInsets:obscuredInsets];
	[webView _overrideLayoutParametersWithMinimumLayoutSize:CGSizeMake(viewHeight, 414) maximumUnobscuredSizeOverride:CGSizeMake(viewHeight, 414)];

	[webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
	}

	TEST(ScrollViewScrollabilityTests, ScrollableAfterNavigateToPDF)
	{
	auto webView = adoptNS([[TestWKWebView alloc] initWithFrame:CGRectMake(0, 0, viewHeight, 414)]);

	[webView synchronouslyLoadHTMLString:nonScrollableDocumentMarkup];
	[webView waitForNextPresentationUpdate];
	EXPECT_EQ([[webView scrollView] isScrollEnabled], NO);

	NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"test" withExtension:@"pdf" subdirectory:@"TestWebKitAPI.resources"]];
	[webView loadRequest:request];

	[webView _test_waitForDidFinishNavigation];

	EXPECT_EQ([[webView scrollView] isScrollEnabled], YES);
	}

	} // namespace TestWebKitAPI

	#endif // PLATFORM(IOS_FAMILY)