Tools/WebKitTestRunner/mac/UIScriptControllerMac.mm - WebKit - Git at Google

 /*
  * Copyright (C) 2015 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"
 #import "UIScriptControllerMac.h"

 #import "EventSenderProxy.h"
 #import "EventSerializerMac.h"
 #import "LayoutTestSpellChecker.h"
 #import "PlatformViewHelpers.h"
 #import "PlatformWebView.h"
 #import "PlatformWebView.h"
 #import "SharedEventStreamsMac.h"
 #import "StringFunctions.h"
 #import "TestController.h"
 #import "TestRunnerWKWebView.h"
 #import "UIScriptContext.h"
 #import <JavaScriptCore/JSContext.h>
 #import <JavaScriptCore/JSStringRefCF.h>
 #import <JavaScriptCore/JSValue.h>
 #import <JavaScriptCore/JavaScriptCore.h>
 #import <JavaScriptCore/OpaqueJSString.h>
 #import <WebKit/WKWebViewPrivate.h>
 #import <WebKit/WKWebViewPrivateForTesting.h>
 #import <mach/mach_time.h>
 #import <wtf/BlockPtr.h>
 #import <wtf/WorkQueue.h>

 namespace WTR {

 Ref<UIScriptController> UIScriptController::create(UIScriptContext& context)
 {
     return adoptRef(*new UIScriptControllerMac(context));
 }

 static RetainPtr<CFStringRef> cfString(JSStringRef string)
 {
     return adoptCF(JSStringCopyCFString(kCFAllocatorDefault, string));
 }

 void UIScriptControllerMac::replaceTextAtRange(JSStringRef text, int location, int length)
 {
     [webView() _insertText:(__bridge NSString *)cfString(text).get() replacementRange:NSMakeRange(location == -1 ? NSNotFound : location, length)];
 }

 void UIScriptControllerMac::zoomToScale(double scale, JSValueRef callback)
 {
     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     auto* webView = this->webView();
     [webView _setPageScale:scale withOrigin:CGPointZero];

     [webView _doAfterNextPresentationUpdate:makeBlockPtr([this, strongThis = Ref { *this }, callbackID] {
         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     }).get()];
 }

 double UIScriptControllerMac::zoomScale() const
 {
     return webView().magnification;
 }

 void UIScriptControllerMac::simulateAccessibilitySettingsChangeNotification(JSValueRef callback)
 {
     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     auto* webView = this->webView();
     NSNotificationCenter *center = [[NSWorkspace sharedWorkspace] notificationCenter];
     [center postNotificationName:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification object:webView];

     [webView _doAfterNextPresentationUpdate:makeBlockPtr([this, strongThis = Ref { *this }, callbackID] {
         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     }).get()];
 }

 bool UIScriptControllerMac::isShowingDateTimePicker() const
 {
     for (NSWindow *childWindow in webView().window.childWindows) {
         if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")])
             return true;
     }
     return false;
 }

 double UIScriptControllerMac::dateTimePickerValue() const
 {
     for (NSWindow *childWindow in webView().window.childWindows) {
         if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")]) {
             for (NSView *subview in childWindow.contentView.subviews) {
                 if ([subview isKindOfClass:[NSDatePicker class]])
                     return [[(NSDatePicker *)subview dateValue] timeIntervalSince1970] * 1000;
             }
         }
     }
     return 0;
 }

 void UIScriptControllerMac::chooseDateTimePickerValue()
 {
     for (NSWindow *childWindow in webView().window.childWindows) {
         if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")]) {
             for (NSView *subview in childWindow.contentView.subviews) {
                 if ([subview isKindOfClass:[NSDatePicker class]]) {
                     NSDatePicker *datePicker = (NSDatePicker *)subview;
                     [datePicker.target performSelector:datePicker.action withObject:datePicker];
                     return;
                 }
             }
         }
     }
 }

 bool UIScriptControllerMac::isShowingDataListSuggestions() const
 {
     return dataListSuggestionsTableView();
 }

 void UIScriptControllerMac::activateDataListSuggestion(unsigned index, JSValueRef callback)
 {
     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     RetainPtr<NSTableView> table;
     do {
         table = dataListSuggestionsTableView();
     } while (index >= [table numberOfRows] && [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]);

     [table selectRowIndexes:[NSIndexSet indexSetWithIndex:index] byExtendingSelection:NO];

     // Send the action after a short delay to simulate normal user interaction.
     WorkQueue::main().dispatchAfter(50_ms, [this, protectedThis = Ref { *this }, callbackID, table] {
         if ([table window])
             [table sendAction:[table action] to:[table target]];

         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     });
 }

 NSTableView *UIScriptControllerMac::dataListSuggestionsTableView() const
 {
     for (NSWindow *childWindow in webView().window.childWindows) {
         if ([childWindow isKindOfClass:NSClassFromString(@"WKDataListSuggestionWindow")])
             return (NSTableView *)[findAllViewsInHierarchyOfType(childWindow.contentView, NSClassFromString(@"WKDataListSuggestionTableView")) firstObject];
     }
     return nil;
 }

 static void playBackEvents(WKWebView *webView, UIScriptContext *context, NSString *eventStream, JSValueRef callback)
 {
     NSError *error = nil;
     NSArray *eventDicts = [NSJSONSerialization JSONObjectWithData:[eventStream dataUsingEncoding:NSUTF8StringEncoding] options:0 error:&error];

     if (error) {
         NSLog(@"ERROR: %@", error);
         return;
     }

     unsigned callbackID = context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);
     [EventStreamPlayer playStream:eventDicts window:webView.window completionHandler:^{
         context->asyncTaskComplete(callbackID);
     }];
 }

 void UIScriptControllerMac::clearAllCallbacks()
 {
     [webView() resetInteractionCallbacks];
 }

 void UIScriptControllerMac::chooseMenuAction(JSStringRef jsAction, JSValueRef callback)
 {
     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     auto action = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, jsAction));
     __block NSUInteger matchIndex = NSNotFound;
     auto activeMenu = retainPtr(webView()._activeMenu);
     [[activeMenu itemArray] enumerateObjectsUsingBlock:^(NSMenuItem *item, NSUInteger index, BOOL *stop) {
         if ([item.title isEqualToString:(__bridge NSString *)action.get()])
             matchIndex = index;
     }];

     if (matchIndex != NSNotFound) {
         [activeMenu performActionForItemAtIndex:matchIndex];
         [activeMenu removeAllItems];
         [activeMenu update];
         [activeMenu cancelTracking];
     }

     WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     });
 }

 void UIScriptControllerMac::beginBackSwipe(JSValueRef callback)
 {
     playBackEvents(webView(), m_context, beginSwipeBackEventStream(), callback);
 }

 void UIScriptControllerMac::completeBackSwipe(JSValueRef callback)
 {
     playBackEvents(webView(), m_context, completeSwipeBackEventStream(), callback);
 }

 void UIScriptControllerMac::playBackEventStream(JSStringRef eventStream, JSValueRef callback)
 {
     auto stream = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, eventStream));
     playBackEvents(webView(), m_context, (__bridge NSString *)stream.get(), callback);
 }

 void UIScriptControllerMac::firstResponderSuppressionForWebView(bool shouldSuppress)
 {
     [webView() _setShouldSuppressFirstResponderChanges:shouldSuppress];
 }

 void UIScriptControllerMac::makeWindowContentViewFirstResponder()
 {
     NSWindow *window = [webView() window];
     [window makeFirstResponder:[window contentView]];
 }

 bool UIScriptControllerMac::isWindowContentViewFirstResponder() const
 {
     NSWindow *window = [webView() window];
     return [window firstResponder] == [window contentView];
 }

 void UIScriptControllerMac::toggleCapsLock(JSValueRef callback)
 {
     m_capsLockOn = !m_capsLockOn;
     NSWindow *window = [webView() window];
     NSEvent *fakeEvent = [NSEvent keyEventWithType:NSEventTypeFlagsChanged
         location:NSZeroPoint
         modifierFlags:m_capsLockOn ? NSEventModifierFlagCapsLock : 0
         timestamp:0
         windowNumber:window.windowNumber
         context:nullptr
         characters:@""
         charactersIgnoringModifiers:@""
         isARepeat:NO
         keyCode:57];
     [window sendEvent:fakeEvent];
     doAsyncTask(callback);
 }

 NSView *UIScriptControllerMac::platformContentView() const
 {
     return webView();
 }

 void UIScriptControllerMac::activateAtPoint(long x, long y, JSValueRef callback)
 {
     auto* eventSender = TestController::singleton().eventSenderProxy();
     if (!eventSender) {
         ASSERT_NOT_REACHED();
         return;
     }

     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     eventSender->mouseMoveTo(x, y);
     eventSender->mouseDown(0, 0);
     eventSender->mouseUp(0, 0);

     WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     });
 }

 void UIScriptControllerMac::copyText(JSStringRef text)
 {
     NSPasteboard *pasteboard = NSPasteboard.generalPasteboard;
     [pasteboard declareTypes:@[NSPasteboardTypeString] owner:nil];
     [pasteboard setString:text->string() forType:NSPasteboardTypeString];
 }

 void UIScriptControllerMac::setSpellCheckerResults(JSValueRef results)
 {
     [[LayoutTestSpellChecker checker] setResultsFromJSValue:results inContext:m_context->jsContext()];
 }

 static NSString *const TopLevelEventInfoKey = @"events";
 static NSString *const EventTypeKey = @"type";
 static NSString *const ViewRelativeXPositionKey = @"viewX";
 static NSString *const ViewRelativeYPositionKey = @"viewY";
 static NSString *const DeltaXKey = @"deltaX";
 static NSString *const DeltaYKey = @"deltaY";
 static NSString *const PhaseKey = @"phase";
 static NSString *const MomentumPhaseKey = @"momentumPhase";

 static EventSenderProxy::WheelEventPhase eventPhaseFromString(NSString *phaseStr)
 {
     if ([phaseStr isEqualToString:@"began"])
         return EventSenderProxy::WheelEventPhase::Began;
     if ([phaseStr isEqualToString:@"changed"] || [phaseStr isEqualToString:@"continue"]) // Allow "continue" for ease of conversion from mouseScrollByWithWheelAndMomentumPhases values.
         return EventSenderProxy::WheelEventPhase::Changed;
     if ([phaseStr isEqualToString:@"ended"])
         return EventSenderProxy::WheelEventPhase::Ended;
     if ([phaseStr isEqualToString:@"cancelled"])
         return EventSenderProxy::WheelEventPhase::Cancelled;
     if ([phaseStr isEqualToString:@"maybegin"])
         return EventSenderProxy::WheelEventPhase::MayBegin;

     ASSERT_NOT_REACHED();
     return EventSenderProxy::WheelEventPhase::None;
 }

 void UIScriptControllerMac::sendEventStream(JSStringRef eventsJSON, JSValueRef callback)
 {
     auto* eventSender = TestController::singleton().eventSenderProxy();
     if (!eventSender) {
         ASSERT_NOT_REACHED();
         return;
     }

     unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

     auto jsonString = eventsJSON->string();
     auto eventInfo = dynamic_objc_cast<NSDictionary>([NSJSONSerialization JSONObjectWithData:[(NSString *)jsonString dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableContainers | NSJSONReadingMutableLeaves error:nil]);
     if (!eventInfo || ![eventInfo isKindOfClass:[NSDictionary class]]) {
         WTFLogAlways("JSON is not convertible to a dictionary");
         return;
     }

     auto *webView = this->webView();

     double currentViewRelativeX = 0;
     double currentViewRelativeY = 0;

     constexpr uint64_t nanosecondsPerSecond = 1e9;
     constexpr uint64_t nanosecondsEventInterval = nanosecondsPerSecond / 60;

     auto currentTime = mach_absolute_time();

     for (NSMutableDictionary *event in eventInfo[TopLevelEventInfoKey]) {

         id eventType = event[EventTypeKey];
         if (!event[EventTypeKey]) {
             WTFLogAlways("Missing event type");
             break;
         }

         if ([eventType isEqualToString:@"wheel"]) {
             auto phase = EventSenderProxy::WheelEventPhase::None;
             auto momentumPhase = EventSenderProxy::WheelEventPhase::None;

             if (!event[PhaseKey] && !event[MomentumPhaseKey]) {
                 WTFLogAlways("Event must specify phase or momentumPhase");
                 break;
             }

             if (id phaseString = event[PhaseKey])
                 phase = eventPhaseFromString(phaseString);

             if (id phaseString = event[MomentumPhaseKey]) {
                 momentumPhase = eventPhaseFromString(phaseString);
                 if (momentumPhase == EventSenderProxy::WheelEventPhase::Cancelled || momentumPhase == EventSenderProxy::WheelEventPhase::MayBegin) {
                     WTFLogAlways("Invalid value %@ for momentumPhase", phaseString);
                     break;
                 }
             }

             ASSERT_IMPLIES(phase == EventSenderProxy::WheelEventPhase::None, momentumPhase != EventSenderProxy::WheelEventPhase::None);
             ASSERT_IMPLIES(momentumPhase == EventSenderProxy::WheelEventPhase::None, phase != EventSenderProxy::WheelEventPhase::None);

             if (event[ViewRelativeXPositionKey])
                 currentViewRelativeX = [event[ViewRelativeXPositionKey] floatValue];

             if (event[ViewRelativeYPositionKey])
                 currentViewRelativeY = [event[ViewRelativeYPositionKey] floatValue];

             double deltaX = 0;
             double deltaY = 0;

             if (event[DeltaXKey])
                 deltaX = [event[DeltaXKey] floatValue];

             if (event[DeltaYKey])
                 deltaY = [event[DeltaYKey] floatValue];

             auto windowPoint = [webView convertPoint:CGPointMake(currentViewRelativeX, currentViewRelativeY) toView:nil];
             eventSender->sendWheelEvent(currentTime, windowPoint.x, windowPoint.y, deltaX, deltaY, phase, momentumPhase);
         }

         currentTime += nanosecondsEventInterval;
     }

     WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
         if (!m_context)
             return;
         m_context->asyncTaskComplete(callbackID);
     });
 }


 } // namespace WTR
	/*
	* Copyright (C) 2015 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"
	#import "UIScriptControllerMac.h"

	#import "EventSenderProxy.h"
	#import "EventSerializerMac.h"
	#import "LayoutTestSpellChecker.h"
	#import "PlatformViewHelpers.h"
	#import "PlatformWebView.h"
	#import "PlatformWebView.h"
	#import "SharedEventStreamsMac.h"
	#import "StringFunctions.h"
	#import "TestController.h"
	#import "TestRunnerWKWebView.h"
	#import "UIScriptContext.h"
	#import <JavaScriptCore/JSContext.h>
	#import <JavaScriptCore/JSStringRefCF.h>
	#import <JavaScriptCore/JSValue.h>
	#import <JavaScriptCore/JavaScriptCore.h>
	#import <JavaScriptCore/OpaqueJSString.h>
	#import <WebKit/WKWebViewPrivate.h>
	#import <WebKit/WKWebViewPrivateForTesting.h>
	#import <mach/mach_time.h>
	#import <wtf/BlockPtr.h>
	#import <wtf/WorkQueue.h>

	namespace WTR {

	Ref<UIScriptController> UIScriptController::create(UIScriptContext& context)
	{
	return adoptRef(*new UIScriptControllerMac(context));
	}

	static RetainPtr<CFStringRef> cfString(JSStringRef string)
	{
	return adoptCF(JSStringCopyCFString(kCFAllocatorDefault, string));
	}

	void UIScriptControllerMac::replaceTextAtRange(JSStringRef text, int location, int length)
	{
	[webView() _insertText:(__bridge NSString *)cfString(text).get() replacementRange:NSMakeRange(location == -1 ? NSNotFound : location, length)];
	}

	void UIScriptControllerMac::zoomToScale(double scale, JSValueRef callback)
	{
	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	auto* webView = this->webView();
	[webView _setPageScale:scale withOrigin:CGPointZero];

	[webView _doAfterNextPresentationUpdate:makeBlockPtr([this, strongThis = Ref { *this }, callbackID] {
	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	}).get()];
	}

	double UIScriptControllerMac::zoomScale() const
	{
	return webView().magnification;
	}

	void UIScriptControllerMac::simulateAccessibilitySettingsChangeNotification(JSValueRef callback)
	{
	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	auto* webView = this->webView();
	NSNotificationCenter *center = [[NSWorkspace sharedWorkspace] notificationCenter];
	[center postNotificationName:NSWorkspaceAccessibilityDisplayOptionsDidChangeNotification object:webView];

	[webView _doAfterNextPresentationUpdate:makeBlockPtr([this, strongThis = Ref { *this }, callbackID] {
	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	}).get()];
	}

	bool UIScriptControllerMac::isShowingDateTimePicker() const
	{
	for (NSWindow *childWindow in webView().window.childWindows) {
	if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")])
	return true;
	}
	return false;
	}

	double UIScriptControllerMac::dateTimePickerValue() const
	{
	for (NSWindow *childWindow in webView().window.childWindows) {
	if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")]) {
	for (NSView *subview in childWindow.contentView.subviews) {
	if ([subview isKindOfClass:[NSDatePicker class]])
	return [[(NSDatePicker )subview dateValue] timeIntervalSince1970] 1000;
	}
	}
	}
	return 0;
	}

	void UIScriptControllerMac::chooseDateTimePickerValue()
	{
	for (NSWindow *childWindow in webView().window.childWindows) {
	if ([childWindow isKindOfClass:NSClassFromString(@"WKDateTimePickerWindow")]) {
	for (NSView *subview in childWindow.contentView.subviews) {
	if ([subview isKindOfClass:[NSDatePicker class]]) {
	NSDatePicker datePicker = (NSDatePicker )subview;
	[datePicker.target performSelector:datePicker.action withObject:datePicker];
	return;
	}
	}
	}
	}
	}

	bool UIScriptControllerMac::isShowingDataListSuggestions() const
	{
	return dataListSuggestionsTableView();
	}

	void UIScriptControllerMac::activateDataListSuggestion(unsigned index, JSValueRef callback)
	{
	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	RetainPtr<NSTableView> table;
	do {
	table = dataListSuggestionsTableView();
	} while (index >= [table numberOfRows] && [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]);

	[table selectRowIndexes:[NSIndexSet indexSetWithIndex:index] byExtendingSelection:NO];

	// Send the action after a short delay to simulate normal user interaction.
	WorkQueue::main().dispatchAfter(50_ms, [this, protectedThis = Ref { *this }, callbackID, table] {
	if ([table window])
	[table sendAction:[table action] to:[table target]];

	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	});
	}

	NSTableView *UIScriptControllerMac::dataListSuggestionsTableView() const
	{
	for (NSWindow *childWindow in webView().window.childWindows) {
	if ([childWindow isKindOfClass:NSClassFromString(@"WKDataListSuggestionWindow")])
	return (NSTableView *)[findAllViewsInHierarchyOfType(childWindow.contentView, NSClassFromString(@"WKDataListSuggestionTableView")) firstObject];
	}
	return nil;
	}

	static void playBackEvents(WKWebView webView, UIScriptContext context, NSString *eventStream, JSValueRef callback)
	{
	NSError *error = nil;
	NSArray *eventDicts = [NSJSONSerialization JSONObjectWithData:[eventStream dataUsingEncoding:NSUTF8StringEncoding] options:0 error:&error];

	if (error) {
	NSLog(@"ERROR: %@", error);
	return;
	}

	unsigned callbackID = context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);
	[EventStreamPlayer playStream:eventDicts window:webView.window completionHandler:^{
	context->asyncTaskComplete(callbackID);
	}];
	}

	void UIScriptControllerMac::clearAllCallbacks()
	{
	[webView() resetInteractionCallbacks];
	}

	void UIScriptControllerMac::chooseMenuAction(JSStringRef jsAction, JSValueRef callback)
	{
	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	auto action = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, jsAction));
	__block NSUInteger matchIndex = NSNotFound;
	auto activeMenu = retainPtr(webView()._activeMenu);
	[[activeMenu itemArray] enumerateObjectsUsingBlock:^(NSMenuItem item, NSUInteger index, BOOL stop) {
	if ([item.title isEqualToString:(__bridge NSString *)action.get()])
	matchIndex = index;
	}];

	if (matchIndex != NSNotFound) {
	[activeMenu performActionForItemAtIndex:matchIndex];
	[activeMenu removeAllItems];
	[activeMenu update];
	[activeMenu cancelTracking];
	}

	WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	});
	}

	void UIScriptControllerMac::beginBackSwipe(JSValueRef callback)
	{
	playBackEvents(webView(), m_context, beginSwipeBackEventStream(), callback);
	}

	void UIScriptControllerMac::completeBackSwipe(JSValueRef callback)
	{
	playBackEvents(webView(), m_context, completeSwipeBackEventStream(), callback);
	}

	void UIScriptControllerMac::playBackEventStream(JSStringRef eventStream, JSValueRef callback)
	{
	auto stream = adoptCF(JSStringCopyCFString(kCFAllocatorDefault, eventStream));
	playBackEvents(webView(), m_context, (__bridge NSString *)stream.get(), callback);
	}

	void UIScriptControllerMac::firstResponderSuppressionForWebView(bool shouldSuppress)
	{
	[webView() _setShouldSuppressFirstResponderChanges:shouldSuppress];
	}

	void UIScriptControllerMac::makeWindowContentViewFirstResponder()
	{
	NSWindow *window = [webView() window];
	[window makeFirstResponder:[window contentView]];
	}

	bool UIScriptControllerMac::isWindowContentViewFirstResponder() const
	{
	NSWindow *window = [webView() window];
	return [window firstResponder] == [window contentView];
	}

	void UIScriptControllerMac::toggleCapsLock(JSValueRef callback)
	{
	m_capsLockOn = !m_capsLockOn;
	NSWindow *window = [webView() window];
	NSEvent *fakeEvent = [NSEvent keyEventWithType:NSEventTypeFlagsChanged
	location:NSZeroPoint
	modifierFlags:m_capsLockOn ? NSEventModifierFlagCapsLock : 0
	timestamp:0
	windowNumber:window.windowNumber
	context:nullptr
	characters:@""
	charactersIgnoringModifiers:@""
	isARepeat:NO
	keyCode:57];
	[window sendEvent:fakeEvent];
	doAsyncTask(callback);
	}

	NSView *UIScriptControllerMac::platformContentView() const
	{
	return webView();
	}

	void UIScriptControllerMac::activateAtPoint(long x, long y, JSValueRef callback)
	{
	auto* eventSender = TestController::singleton().eventSenderProxy();
	if (!eventSender) {
	ASSERT_NOT_REACHED();
	return;
	}

	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	eventSender->mouseMoveTo(x, y);
	eventSender->mouseDown(0, 0);
	eventSender->mouseUp(0, 0);

	WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	});
	}

	void UIScriptControllerMac::copyText(JSStringRef text)
	{
	NSPasteboard *pasteboard = NSPasteboard.generalPasteboard;
	[pasteboard declareTypes:@[NSPasteboardTypeString] owner:nil];
	[pasteboard setString:text->string() forType:NSPasteboardTypeString];
	}

	void UIScriptControllerMac::setSpellCheckerResults(JSValueRef results)
	{
	[[LayoutTestSpellChecker checker] setResultsFromJSValue:results inContext:m_context->jsContext()];
	}

	static NSString *const TopLevelEventInfoKey = @"events";
	static NSString *const EventTypeKey = @"type";
	static NSString *const ViewRelativeXPositionKey = @"viewX";
	static NSString *const ViewRelativeYPositionKey = @"viewY";
	static NSString *const DeltaXKey = @"deltaX";
	static NSString *const DeltaYKey = @"deltaY";
	static NSString *const PhaseKey = @"phase";
	static NSString *const MomentumPhaseKey = @"momentumPhase";

	static EventSenderProxy::WheelEventPhase eventPhaseFromString(NSString *phaseStr)
	{
	if ([phaseStr isEqualToString:@"began"])
	return EventSenderProxy::WheelEventPhase::Began;
	if ([phaseStr isEqualToString:@"changed"] \|\| [phaseStr isEqualToString:@"continue"]) // Allow "continue" for ease of conversion from mouseScrollByWithWheelAndMomentumPhases values.
	return EventSenderProxy::WheelEventPhase::Changed;
	if ([phaseStr isEqualToString:@"ended"])
	return EventSenderProxy::WheelEventPhase::Ended;
	if ([phaseStr isEqualToString:@"cancelled"])
	return EventSenderProxy::WheelEventPhase::Cancelled;
	if ([phaseStr isEqualToString:@"maybegin"])
	return EventSenderProxy::WheelEventPhase::MayBegin;

	ASSERT_NOT_REACHED();
	return EventSenderProxy::WheelEventPhase::None;
	}

	void UIScriptControllerMac::sendEventStream(JSStringRef eventsJSON, JSValueRef callback)
	{
	auto* eventSender = TestController::singleton().eventSenderProxy();
	if (!eventSender) {
	ASSERT_NOT_REACHED();
	return;
	}

	unsigned callbackID = m_context->prepareForAsyncTask(callback, CallbackTypeNonPersistent);

	auto jsonString = eventsJSON->string();
	auto eventInfo = dynamic_objc_cast<NSDictionary>([NSJSONSerialization JSONObjectWithData:[(NSString *)jsonString dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableContainers \| NSJSONReadingMutableLeaves error:nil]);
	if (!eventInfo \|\| ![eventInfo isKindOfClass:[NSDictionary class]]) {
	WTFLogAlways("JSON is not convertible to a dictionary");
	return;
	}

	auto *webView = this->webView();

	double currentViewRelativeX = 0;
	double currentViewRelativeY = 0;

	constexpr uint64_t nanosecondsPerSecond = 1e9;
	constexpr uint64_t nanosecondsEventInterval = nanosecondsPerSecond / 60;

	auto currentTime = mach_absolute_time();

	for (NSMutableDictionary *event in eventInfo[TopLevelEventInfoKey]) {

	id eventType = event[EventTypeKey];
	if (!event[EventTypeKey]) {
	WTFLogAlways("Missing event type");
	break;
	}

	if ([eventType isEqualToString:@"wheel"]) {
	auto phase = EventSenderProxy::WheelEventPhase::None;
	auto momentumPhase = EventSenderProxy::WheelEventPhase::None;

	if (!event[PhaseKey] && !event[MomentumPhaseKey]) {
	WTFLogAlways("Event must specify phase or momentumPhase");
	break;
	}

	if (id phaseString = event[PhaseKey])
	phase = eventPhaseFromString(phaseString);

	if (id phaseString = event[MomentumPhaseKey]) {
	momentumPhase = eventPhaseFromString(phaseString);
	if (momentumPhase == EventSenderProxy::WheelEventPhase::Cancelled \|\| momentumPhase == EventSenderProxy::WheelEventPhase::MayBegin) {
	WTFLogAlways("Invalid value %@ for momentumPhase", phaseString);
	break;
	}
	}

	ASSERT_IMPLIES(phase == EventSenderProxy::WheelEventPhase::None, momentumPhase != EventSenderProxy::WheelEventPhase::None);
	ASSERT_IMPLIES(momentumPhase == EventSenderProxy::WheelEventPhase::None, phase != EventSenderProxy::WheelEventPhase::None);

	if (event[ViewRelativeXPositionKey])
	currentViewRelativeX = [event[ViewRelativeXPositionKey] floatValue];

	if (event[ViewRelativeYPositionKey])
	currentViewRelativeY = [event[ViewRelativeYPositionKey] floatValue];

	double deltaX = 0;
	double deltaY = 0;

	if (event[DeltaXKey])
	deltaX = [event[DeltaXKey] floatValue];

	if (event[DeltaYKey])
	deltaY = [event[DeltaYKey] floatValue];

	auto windowPoint = [webView convertPoint:CGPointMake(currentViewRelativeX, currentViewRelativeY) toView:nil];
	eventSender->sendWheelEvent(currentTime, windowPoint.x, windowPoint.y, deltaX, deltaY, phase, momentumPhase);
	}

	currentTime += nanosecondsEventInterval;
	}

	WorkQueue::main().dispatch([this, strongThis = Ref { *this }, callbackID] {
	if (!m_context)
	return;
	m_context->asyncTaskComplete(callbackID);
	});
	}


	} // namespace WTR