WKInkPickerView.mm   [plain text]

/*
* 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"
#import "WKInkPickerView.h"

#if HAVE(PENCILKIT)

#import "WKContentViewInteraction.h"

#import "PencilKitSoftLink.h"

@interface WKInkPickerView () <PKInlineInkPickerDelegate>
@end

@implementation WKInkPickerView {
RetainPtr<PKInlineInkPicker> _inlinePicker;
__weak WKContentView *_contentView;
}

- (instancetype)initWithContentView:(WKContentView *)contentView
{
self = [super initWithFrame:CGRectZero];
if (!self)
return nil;

_inlinePicker = adoptNS([WebKit::allocPKInlineInkPickerInstance() init]);
[_inlinePicker setDelegate:self];

_contentView = contentView;
[self addSubview:_inlinePicker.get()];

return self;
}

- (void)didPickInk
{
[_contentView._drawingCoordinator didChangeInk:[_inlinePicker selectedInk]];
}

- (void)inlineInkPickerDidToggleRuler:(PKInlineInkPicker *)inlineInkPicker
{
_rulerEnabled = !_rulerEnabled;
[_contentView._drawingCoordinator didChangeRulerState:_rulerEnabled];
}

- (void)inlineInkPicker:(PKInlineInkPicker *)inlineInkPicker didSelectTool:(PKInkIdentifier)identifer
{
[self didPickInk];
}

- (void)inlineInkPicker:(PKInlineInkPicker *)inlineInkPicker didSelectColor:(UIColor *)color
{
[self didPickInk];
}

- (CGSize)inkPickerSize
{
CGSize keyboardSize = [UIKeyboard defaultSizeForInterfaceOrientation:[UIApp interfaceOrientation]];
return [_inlinePicker sizeThatFits:keyboardSize];
}

- (void)layoutSubviews
{
CGSize pickerSize = self.inkPickerSize;
[_inlinePicker setFrame:CGRectMake(CGRectGetMidX(self.bounds) - (pickerSize.width / 2), 0, pickerSize.width, pickerSize.height)];
}

- (CGSize)sizeThatFits:(CGSize)size
{
CGSize keyboardSize = [UIKeyboard defaultSizeForInterfaceOrientation:[UIApp interfaceOrientation]];
return CGSizeMake(keyboardSize.width, self.inkPickerSize.height);
}

- (UIViewController *)viewControllerForPopoverPresentationFromInlineInkPicker:(PKInlineInkPicker *)inlineInkPicker
{
return [UIViewController _viewControllerForFullScreenPresentationFromView:_contentView];
}

- (void)setInk:(PKInk *)ink
{
[_inlinePicker setSelectedInk:ink];
}

- (PKInk *)ink
{
return [_inlinePicker selectedInk];
}

@end

#endif // HAVE(PENCILKIT)