Source/WebKit/UIProcess/ios/WebDataListSuggestionsDropdownIOS.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.
  */

 #include "config.h"
 #include "WebDataListSuggestionsDropdownIOS.h"

 #if ENABLE(DATALIST_ELEMENT) && PLATFORM(IOS_FAMILY)

 #import "WKContentView.h"
 #import "WKContentViewInteraction.h"
 #import "WKFormPeripheral.h"
 #import "WKFormPopover.h"
 #import "WebPageProxy.h"

 static const CGFloat maxVisibleSuggestions = 5;
 static const CGFloat suggestionsPopoverCellHeight = 44;
 static const CGFloat suggestionsPopoverWidth = 320;
 static NSString * const suggestionCellReuseIdentifier = @"WKDataListSuggestionCell";

 @interface WKDataListSuggestionsControl : NSObject {
     WebKit::WebDataListSuggestionsDropdownIOS* _dropdown;
     Vector<String> _suggestions;
 }

 @property (nonatomic, weak) WKContentView *view;

 - (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view;
 - (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information;
 - (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType;
 - (void)didSelectOptionAtIndex:(NSInteger)index;
 - (void)invalidate;

 - (NSArray<WKDataListTextSuggestion *> *)textSuggestions;
 - (NSInteger)suggestionsCount;
 - (String)suggestionAtIndex:(NSInteger)index;
 - (NSTextAlignment)textAlignment;
 @end

 @interface WKDataListSuggestionsPicker : WKDataListSuggestionsControl <UIPickerViewDataSource, UIPickerViewDelegate>
 @end

 @interface WKDataListSuggestionsPickerView : UIPickerView <WKFormControl>
 @property (nonatomic, weak) WKDataListSuggestionsControl *control;
 @end

 @interface WKDataListSuggestionsPopover : WKDataListSuggestionsControl
 @end

 @interface WKDataListSuggestionsViewController : UITableViewController
 @property (nonatomic, weak) WKDataListSuggestionsControl *control;

 - (void)reloadData;
 @end

 @implementation WKDataListTextSuggestion
 @end

 #pragma mark - WebDataListSuggestionsDropdownIOS

 namespace WebKit {

 Ref<WebDataListSuggestionsDropdownIOS> WebDataListSuggestionsDropdownIOS::create(WebPageProxy& page, WKContentView *view)
 {
     return adoptRef(*new WebDataListSuggestionsDropdownIOS(page, view));
 }

 WebDataListSuggestionsDropdownIOS::WebDataListSuggestionsDropdownIOS(WebPageProxy& page, WKContentView *view)
     : WebDataListSuggestionsDropdown(page)
     , m_contentView(view)
 {
 }

 void WebDataListSuggestionsDropdownIOS::show(WebCore::DataListSuggestionInformation&& information)
 {
     if (m_suggestionsControl) {
         [m_suggestionsControl updateWithInformation:WTFMove(information)];
         return;
     }

     WebCore::DataListSuggestionActivationType type = information.activationType;

     if (currentUserInterfaceIdiomIsPad())
         m_suggestionsControl = adoptNS([[WKDataListSuggestionsPopover alloc] initWithInformation:WTFMove(information) inView:m_contentView]);
     else
         m_suggestionsControl = adoptNS([[WKDataListSuggestionsPicker alloc] initWithInformation:WTFMove(information) inView:m_contentView]);

     [m_suggestionsControl showSuggestionsDropdown:this activationType:type];
 }

 void WebDataListSuggestionsDropdownIOS::handleKeydownWithIdentifier(const String&)
 {
 }

 void WebDataListSuggestionsDropdownIOS::close()
 {
     [m_suggestionsControl invalidate];
     m_suggestionsControl = nil;
     m_page->didCloseSuggestions();
 }

 void WebDataListSuggestionsDropdownIOS::didSelectOption(const String& selectedOption)
 {
     if (!m_page)
         return;

     m_page->didSelectOption(selectedOption);
     close();
 }

 } // namespace WebKit

 #pragma mark - WKDataListSuggestionsControl

 @implementation WKDataListSuggestionsControl

 - (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
 {
     if (!(self = [super init]))
         return nil;

     _view = view;
     _suggestions = WTFMove(information.suggestions);

     return self;
 }

 - (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
 {
     _suggestions = WTFMove(information.suggestions);
 }

 - (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
 {
     _dropdown = dropdown;
 }

 - (void)didSelectOptionAtIndex:(NSInteger)index
 {
     _dropdown->didSelectOption(_suggestions[index]);
 }

 - (void)invalidate
 {
 }

 - (NSArray<WKDataListTextSuggestion *> *)textSuggestions
 {
     NSMutableArray *suggestions = [NSMutableArray array];

     for (auto suggestion : _suggestions) {
         [suggestions addObject:[WKDataListTextSuggestion textSuggestionWithInputText:suggestion]];
         if (suggestions.count == 3)
             break;
     }

     return suggestions;
 }

 - (NSInteger)suggestionsCount
 {
     return _suggestions.size();
 }

 - (String)suggestionAtIndex:(NSInteger)index
 {
     return _suggestions[index];
 }

 - (NSTextAlignment)textAlignment
 {
     return _view.focusedElementInformation.isRTL ? NSTextAlignmentRight : NSTextAlignmentLeft;
 }

 @end

 #pragma mark - WKDataListSuggestionsPicker

 @implementation WKDataListSuggestionsPicker  {
     RetainPtr<WKDataListSuggestionsPickerView> _pickerView;
 }

 - (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
 {
     if (!(self = [super initWithInformation:WTFMove(information) inView:view]))
         return nil;

     _pickerView = adoptNS([[WKDataListSuggestionsPickerView alloc] initWithFrame:CGRectZero]);
     [_pickerView setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight];
     [_pickerView setDataSource:self];
     [_pickerView setDelegate:self];
     [_pickerView setControl:self];
     [_pickerView setSize:[UIKeyboard defaultSizeForInterfaceOrientation:view.interfaceOrientation]];

     return self;
 }

 - (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
 {
     [super updateWithInformation:WTFMove(information)];
     if (information.activationType != WebCore::DataListSuggestionActivationType::IndicatorClicked) {
         self.view.dataListTextSuggestionsInputView = nil;
         self.view.dataListTextSuggestions = self.textSuggestions;
         return;
     }

     self.view.dataListTextSuggestionsInputView = _pickerView.get();

     [_pickerView reloadAllComponents];
     [_pickerView selectRow:0 inComponent:0 animated:NO];
 }

 - (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
 {
     [super showSuggestionsDropdown:dropdown activationType:activationType];
     if (activationType == WebCore::DataListSuggestionActivationType::IndicatorClicked) {
         self.view.dataListTextSuggestionsInputView = _pickerView.get();
         [_pickerView selectRow:0 inComponent:0 animated:NO];
     } else
         self.view.dataListTextSuggestions = self.textSuggestions;
 }

 - (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
 {
     return 1;
 }

 - (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)columnIndex
 {
     return [self suggestionsCount];
 }

 - (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
 {
     return [self suggestionAtIndex:row];
 }

 - (void)invalidate
 {
     if (self.view.dataListTextSuggestionsInputView == _pickerView.get())
         self.view.dataListTextSuggestionsInputView = nil;

     [_pickerView setDelegate:nil];
     [_pickerView setDataSource:nil];
     [_pickerView setControl:nil];
 }

 @end

 @implementation WKDataListSuggestionsPickerView

 - (UIView *)controlView
 {
     return self;
 }

 - (void)controlBeginEditing
 {
 }

 - (void)controlEndEditing
 {
     [self.control didSelectOptionAtIndex:[self selectedRowInComponent:0]];
 }

 @end

 #pragma mark - WKDataListSuggestionsPopover

 @implementation WKDataListSuggestionsPopover  {
     RetainPtr<WKFormRotatingAccessoryPopover> _popover;
     RetainPtr<WKDataListSuggestionsViewController> _suggestionsViewController;
 }

 - (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
 {
     if (!(self = [super initWithInformation:WTFMove(information) inView:view]))
         return nil;

     _popover = adoptNS([[WKFormRotatingAccessoryPopover alloc] initWithView:view]);

     return self;
 }

 - (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
 {
     [super updateWithInformation:WTFMove(information)];
     [_suggestionsViewController reloadData];
     self.view.dataListTextSuggestions = self.textSuggestions;
 }

 - (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
 {
     [super showSuggestionsDropdown:dropdown activationType:activationType];

     _suggestionsViewController = adoptNS([[WKDataListSuggestionsViewController alloc] initWithStyle:UITableViewStylePlain]);
     [_suggestionsViewController setControl:self];
     [_suggestionsViewController reloadData];
     self.view.dataListTextSuggestions = self.textSuggestions;

 ALLOW_DEPRECATED_DECLARATIONS_BEGIN
     [_popover setPopoverController:[[[UIPopoverController alloc] initWithContentViewController:_suggestionsViewController.get()] autorelease]];
 ALLOW_DEPRECATED_DECLARATIONS_END

     [_popover presentPopoverAnimated:NO];
 }

 - (void)invalidate
 {
     [_suggestionsViewController setControl:nil];
 }

 - (void)didSelectOptionAtIndex:(NSInteger)index
 {
     [super didSelectOptionAtIndex:index];
     [[_popover popoverController] dismissPopoverAnimated:YES];
     self.view.dataListTextSuggestions = @[ [WKDataListTextSuggestion textSuggestionWithInputText:[self suggestionAtIndex:index]] ];
 }

 @end

 @implementation WKDataListSuggestionsViewController

 - (void)reloadData
 {
     [self.tableView reloadData];
     [self setPreferredContentSize:CGSizeMake(suggestionsPopoverWidth, maxVisibleSuggestions * suggestionsPopoverCellHeight + suggestionsPopoverCellHeight / 2)];
 }

 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
     return [self.control suggestionsCount];
 }

 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
 {
     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:suggestionCellReuseIdentifier];
     if (!cell)
         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:suggestionCellReuseIdentifier] autorelease];

     cell.textLabel.text = [self.control suggestionAtIndex:indexPath.row];
     cell.textLabel.lineBreakMode = NSLineBreakByTruncatingTail;
     cell.textLabel.textAlignment = [self.control textAlignment];

     return cell;
 }

 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
 {
     [self.control didSelectOptionAtIndex:indexPath.row];
 }

 @end

 #endif // ENABLE(DATALIST_ELEMENT) && 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.
	*/

	#include "config.h"
	#include "WebDataListSuggestionsDropdownIOS.h"

	#if ENABLE(DATALIST_ELEMENT) && PLATFORM(IOS_FAMILY)

	#import "WKContentView.h"
	#import "WKContentViewInteraction.h"
	#import "WKFormPeripheral.h"
	#import "WKFormPopover.h"
	#import "WebPageProxy.h"

	static const CGFloat maxVisibleSuggestions = 5;
	static const CGFloat suggestionsPopoverCellHeight = 44;
	static const CGFloat suggestionsPopoverWidth = 320;
	static NSString * const suggestionCellReuseIdentifier = @"WKDataListSuggestionCell";

	@interface WKDataListSuggestionsControl : NSObject {
	WebKit::WebDataListSuggestionsDropdownIOS* _dropdown;
	Vector<String> _suggestions;
	}

	@property (nonatomic, weak) WKContentView *view;

	- (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view;
	- (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information;
	- (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType;
	- (void)didSelectOptionAtIndex:(NSInteger)index;
	- (void)invalidate;

	- (NSArray<WKDataListTextSuggestion > )textSuggestions;
	- (NSInteger)suggestionsCount;
	- (String)suggestionAtIndex:(NSInteger)index;
	- (NSTextAlignment)textAlignment;
	@end

	@interface WKDataListSuggestionsPicker : WKDataListSuggestionsControl <UIPickerViewDataSource, UIPickerViewDelegate>
	@end

	@interface WKDataListSuggestionsPickerView : UIPickerView <WKFormControl>
	@property (nonatomic, weak) WKDataListSuggestionsControl *control;
	@end

	@interface WKDataListSuggestionsPopover : WKDataListSuggestionsControl
	@end

	@interface WKDataListSuggestionsViewController : UITableViewController
	@property (nonatomic, weak) WKDataListSuggestionsControl *control;

	- (void)reloadData;
	@end

	@implementation WKDataListTextSuggestion
	@end

	#pragma mark - WebDataListSuggestionsDropdownIOS

	namespace WebKit {

	Ref<WebDataListSuggestionsDropdownIOS> WebDataListSuggestionsDropdownIOS::create(WebPageProxy& page, WKContentView *view)
	{
	return adoptRef(*new WebDataListSuggestionsDropdownIOS(page, view));
	}

	WebDataListSuggestionsDropdownIOS::WebDataListSuggestionsDropdownIOS(WebPageProxy& page, WKContentView *view)
	: WebDataListSuggestionsDropdown(page)
	, m_contentView(view)
	{
	}

	void WebDataListSuggestionsDropdownIOS::show(WebCore::DataListSuggestionInformation&& information)
	{
	if (m_suggestionsControl) {
	[m_suggestionsControl updateWithInformation:WTFMove(information)];
	return;
	}

	WebCore::DataListSuggestionActivationType type = information.activationType;

	if (currentUserInterfaceIdiomIsPad())
	m_suggestionsControl = adoptNS([[WKDataListSuggestionsPopover alloc] initWithInformation:WTFMove(information) inView:m_contentView]);
	else
	m_suggestionsControl = adoptNS([[WKDataListSuggestionsPicker alloc] initWithInformation:WTFMove(information) inView:m_contentView]);

	[m_suggestionsControl showSuggestionsDropdown:this activationType:type];
	}

	void WebDataListSuggestionsDropdownIOS::handleKeydownWithIdentifier(const String&)
	{
	}

	void WebDataListSuggestionsDropdownIOS::close()
	{
	[m_suggestionsControl invalidate];
	m_suggestionsControl = nil;
	m_page->didCloseSuggestions();
	}

	void WebDataListSuggestionsDropdownIOS::didSelectOption(const String& selectedOption)
	{
	if (!m_page)
	return;

	m_page->didSelectOption(selectedOption);
	close();
	}

	} // namespace WebKit

	#pragma mark - WKDataListSuggestionsControl

	@implementation WKDataListSuggestionsControl

	- (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
	{
	if (!(self = [super init]))
	return nil;

	_view = view;
	_suggestions = WTFMove(information.suggestions);

	return self;
	}

	- (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
	{
	_suggestions = WTFMove(information.suggestions);
	}

	- (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
	{
	_dropdown = dropdown;
	}

	- (void)didSelectOptionAtIndex:(NSInteger)index
	{
	_dropdown->didSelectOption(_suggestions[index]);
	}

	- (void)invalidate
	{
	}

	- (NSArray<WKDataListTextSuggestion > )textSuggestions
	{
	NSMutableArray *suggestions = [NSMutableArray array];

	for (auto suggestion : _suggestions) {
	[suggestions addObject:[WKDataListTextSuggestion textSuggestionWithInputText:suggestion]];
	if (suggestions.count == 3)
	break;
	}

	return suggestions;
	}

	- (NSInteger)suggestionsCount
	{
	return _suggestions.size();
	}

	- (String)suggestionAtIndex:(NSInteger)index
	{
	return _suggestions[index];
	}

	- (NSTextAlignment)textAlignment
	{
	return _view.focusedElementInformation.isRTL ? NSTextAlignmentRight : NSTextAlignmentLeft;
	}

	@end

	#pragma mark - WKDataListSuggestionsPicker

	@implementation WKDataListSuggestionsPicker {
	RetainPtr<WKDataListSuggestionsPickerView> _pickerView;
	}

	- (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
	{
	if (!(self = [super initWithInformation:WTFMove(information) inView:view]))
	return nil;

	_pickerView = adoptNS([[WKDataListSuggestionsPickerView alloc] initWithFrame:CGRectZero]);
	[_pickerView setAutoresizingMask:UIViewAutoresizingFlexibleWidth \| UIViewAutoresizingFlexibleHeight];
	[_pickerView setDataSource:self];
	[_pickerView setDelegate:self];
	[_pickerView setControl:self];
	[_pickerView setSize:[UIKeyboard defaultSizeForInterfaceOrientation:view.interfaceOrientation]];

	return self;
	}

	- (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
	{
	[super updateWithInformation:WTFMove(information)];
	if (information.activationType != WebCore::DataListSuggestionActivationType::IndicatorClicked) {
	self.view.dataListTextSuggestionsInputView = nil;
	self.view.dataListTextSuggestions = self.textSuggestions;
	return;
	}

	self.view.dataListTextSuggestionsInputView = _pickerView.get();

	[_pickerView reloadAllComponents];
	[_pickerView selectRow:0 inComponent:0 animated:NO];
	}

	- (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
	{
	[super showSuggestionsDropdown:dropdown activationType:activationType];
	if (activationType == WebCore::DataListSuggestionActivationType::IndicatorClicked) {
	self.view.dataListTextSuggestionsInputView = _pickerView.get();
	[_pickerView selectRow:0 inComponent:0 animated:NO];
	} else
	self.view.dataListTextSuggestions = self.textSuggestions;
	}

	- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
	{
	return 1;
	}

	- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)columnIndex
	{
	return [self suggestionsCount];
	}

	- (NSString )pickerView:(UIPickerView )pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component
	{
	return [self suggestionAtIndex:row];
	}

	- (void)invalidate
	{
	if (self.view.dataListTextSuggestionsInputView == _pickerView.get())
	self.view.dataListTextSuggestionsInputView = nil;

	[_pickerView setDelegate:nil];
	[_pickerView setDataSource:nil];
	[_pickerView setControl:nil];
	}

	@end

	@implementation WKDataListSuggestionsPickerView

	- (UIView *)controlView
	{
	return self;
	}

	- (void)controlBeginEditing
	{
	}

	- (void)controlEndEditing
	{
	[self.control didSelectOptionAtIndex:[self selectedRowInComponent:0]];
	}

	@end

	#pragma mark - WKDataListSuggestionsPopover

	@implementation WKDataListSuggestionsPopover {
	RetainPtr<WKFormRotatingAccessoryPopover> _popover;
	RetainPtr<WKDataListSuggestionsViewController> _suggestionsViewController;
	}

	- (instancetype)initWithInformation:(WebCore::DataListSuggestionInformation&&)information inView:(WKContentView *)view
	{
	if (!(self = [super initWithInformation:WTFMove(information) inView:view]))
	return nil;

	_popover = adoptNS([[WKFormRotatingAccessoryPopover alloc] initWithView:view]);

	return self;
	}

	- (void)updateWithInformation:(WebCore::DataListSuggestionInformation&&)information
	{
	[super updateWithInformation:WTFMove(information)];
	[_suggestionsViewController reloadData];
	self.view.dataListTextSuggestions = self.textSuggestions;
	}

	- (void)showSuggestionsDropdown:(WebKit::WebDataListSuggestionsDropdownIOS *)dropdown activationType:(WebCore::DataListSuggestionActivationType)activationType
	{
	[super showSuggestionsDropdown:dropdown activationType:activationType];

	_suggestionsViewController = adoptNS([[WKDataListSuggestionsViewController alloc] initWithStyle:UITableViewStylePlain]);
	[_suggestionsViewController setControl:self];
	[_suggestionsViewController reloadData];
	self.view.dataListTextSuggestions = self.textSuggestions;

	ALLOW_DEPRECATED_DECLARATIONS_BEGIN
	[_popover setPopoverController:[[[UIPopoverController alloc] initWithContentViewController:_suggestionsViewController.get()] autorelease]];
	ALLOW_DEPRECATED_DECLARATIONS_END

	[_popover presentPopoverAnimated:NO];
	}

	- (void)invalidate
	{
	[_suggestionsViewController setControl:nil];
	}

	- (void)didSelectOptionAtIndex:(NSInteger)index
	{
	[super didSelectOptionAtIndex:index];
	[[_popover popoverController] dismissPopoverAnimated:YES];
	self.view.dataListTextSuggestions = @[ [WKDataListTextSuggestion textSuggestionWithInputText:[self suggestionAtIndex:index]] ];
	}

	@end

	@implementation WKDataListSuggestionsViewController

	- (void)reloadData
	{
	[self.tableView reloadData];
	[self setPreferredContentSize:CGSizeMake(suggestionsPopoverWidth, maxVisibleSuggestions * suggestionsPopoverCellHeight + suggestionsPopoverCellHeight / 2)];
	}

	- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
	{
	return [self.control suggestionsCount];
	}

	- (UITableViewCell )tableView:(UITableView )tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
	{
	UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:suggestionCellReuseIdentifier];
	if (!cell)
	cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:suggestionCellReuseIdentifier] autorelease];

	cell.textLabel.text = [self.control suggestionAtIndex:indexPath.row];
	cell.textLabel.lineBreakMode = NSLineBreakByTruncatingTail;
	cell.textLabel.textAlignment = [self.control textAlignment];

	return cell;
	}

	- (void)tableView:(UITableView )tableView didSelectRowAtIndexPath:(NSIndexPath )indexPath
	{
	[self.control didSelectOptionAtIndex:indexPath.row];
	}

	@end

	#endif // ENABLE(DATALIST_ELEMENT) && PLATFORM(IOS_FAMILY)