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Telegram/Telegraph/TGPhotoToolbarView.m
Peter 58ce610e95 3.6
2016-02-25 01:03:51 +01:00

501 lines
20 KiB
Objective-C
Raw Blame History

#import "TGPhotoToolbarView.h"
#import "TGModernButtonView.h"
#import "TGPhotoEditorButton.h"
@interface TGPhotoToolbarView ()
{
UIView *_backgroundView;
UIView *_buttonsWrapperView;
TGModernButton *_cancelButton;
TGModernButton *_doneButton;
CGFloat _landscapeSize;
UILongPressGestureRecognizer *_longPressGestureRecognizer;
}
@end
@implementation TGPhotoToolbarView
- (instancetype)initWithBackButtonTitle:(NSString *)backButtonTitle doneButtonTitle:(NSString *)doneButtonTitle accentedDone:(bool)accentedDone solidBackground:(bool)solidBackground
{
self = [super initWithFrame:CGRectZero];
if (self != nil)
{
self.clipsToBounds = true;
_backgroundView = [[UIView alloc] initWithFrame:CGRectZero];
_backgroundView.backgroundColor = (solidBackground ? [TGPhotoEditorInterfaceAssets toolbarBackgroundColor] : [TGPhotoEditorInterfaceAssets toolbarTransparentBackgroundColor]);
[self addSubview:_backgroundView];
_buttonsWrapperView = [[UIView alloc] initWithFrame:_backgroundView.bounds];
[_backgroundView addSubview:_buttonsWrapperView];
_cancelButton = [[TGModernButton alloc] initWithFrame:CGRectMake(0, 0, 60, 44)];
_cancelButton.exclusiveTouch = true;
[_cancelButton setTitle:backButtonTitle forState:UIControlStateNormal];
[_cancelButton setTitleColor:[UIColor whiteColor]];
_cancelButton.titleLabel.font = TGSystemFontOfSize(17);
_cancelButton.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
[_cancelButton sizeToFit];
_cancelButton.frame = CGRectMake(0, 0.5f, MAX(60.0f, _cancelButton.frame.size.width), 44);
_cancelButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
[_cancelButton addTarget:self action:@selector(cancelButtonPressed) forControlEvents:UIControlEventTouchUpInside];
[_backgroundView addSubview:_cancelButton];
_doneButton = [[TGModernButton alloc] initWithFrame:CGRectMake(0, 0, 40, 44)];
_doneButton.exclusiveTouch = true;
[_doneButton setTitle:doneButtonTitle forState:UIControlStateNormal];
[_doneButton setTitleColor:(accentedDone ? [TGPhotoEditorInterfaceAssets accentColor] : [UIColor whiteColor])];
_doneButton.titleLabel.font = TGMediumSystemFontOfSize(17);
_doneButton.contentEdgeInsets = UIEdgeInsetsMake(0, 27, 0, 10);
[_doneButton sizeToFit];
CGFloat doneButtonWidth = MAX(40, _doneButton.frame.size.width);
_doneButton.frame = CGRectMake(self.frame.size.width - doneButtonWidth, 0.5f, doneButtonWidth, 44);
_doneButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
[_doneButton addTarget:self action:@selector(doneButtonPressed) forControlEvents:UIControlEventTouchUpInside];
[_backgroundView addSubview:_doneButton];
_longPressGestureRecognizer = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(doneButtonLongPressed:)];
_longPressGestureRecognizer.minimumPressDuration = 0.65;
[_doneButton addGestureRecognizer:_longPressGestureRecognizer];
}
return self;
}
- (TGPhotoEditorButton *)buttonForTab:(TGPhotoEditorTab)editorTab
{
TGPhotoEditorButton *button = [[TGPhotoEditorButton alloc] initWithFrame:CGRectMake(0, 0, 28, 28)];
button.tag = editorTab;
[button addTarget:self action:@selector(tabButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
switch (editorTab)
{
case TGPhotoEditorCaptionTab:
button.iconImage = [TGPhotoEditorInterfaceAssets captionIcon];
button.dontHighlightOnSelection = true;
break;
case TGPhotoEditorCropTab:
button.iconImage = [TGPhotoEditorInterfaceAssets cropIcon];
break;
case TGPhotoEditorToolsTab:
button.iconImage = [TGPhotoEditorInterfaceAssets toolsIcon];
break;
case TGPhotoEditorRotateTab:
button.iconImage = [TGPhotoEditorInterfaceAssets rotateIcon];
button.dontHighlightOnSelection = true;
break;
default:
button = nil;
break;
}
return button;
}
- (void)setToolbarTabs:(TGPhotoEditorTab)tabs animated:(bool)animated
{
if (tabs == _currentTabs)
return;
UIView *transitionView = nil;
if (animated && _currentTabs != TGPhotoEditorNoneTab)
{
transitionView = [_buttonsWrapperView snapshotViewAfterScreenUpdates:false];
transitionView.frame = _buttonsWrapperView.frame;
[_buttonsWrapperView.superview addSubview:transitionView];
}
_currentTabs = tabs;
NSArray *buttons = [_buttonsWrapperView.subviews copy];
for (UIView *view in buttons)
[view removeFromSuperview];
if (_currentTabs & TGPhotoEditorCaptionTab)
[_buttonsWrapperView addSubview:[self buttonForTab:TGPhotoEditorCaptionTab]];
if (_currentTabs & TGPhotoEditorCropTab)
[_buttonsWrapperView addSubview:[self buttonForTab:TGPhotoEditorCropTab]];
if (_currentTabs & TGPhotoEditorToolsTab)
[_buttonsWrapperView addSubview:[self buttonForTab:TGPhotoEditorToolsTab]];
if (_currentTabs & TGPhotoEditorRotateTab)
[_buttonsWrapperView addSubview:[self buttonForTab:TGPhotoEditorRotateTab]];
[self setNeedsLayout];
if (animated)
{
_buttonsWrapperView.alpha = 0.0f;
[UIView animateWithDuration:0.15 animations:^
{
_buttonsWrapperView.alpha = 1.0f;
transitionView.alpha = 0.0f;
} completion:^(__unused BOOL finished)
{
[transitionView removeFromSuperview];
}];
}
}
- (CGRect)cancelButtonFrame
{
return _cancelButton.frame;
}
- (void)cancelButtonPressed
{
if (self.cancelPressed != nil)
self.cancelPressed();
}
- (void)doneButtonPressed
{
if (self.donePressed != nil)
self.donePressed();
}
- (void)doneButtonLongPressed:(UILongPressGestureRecognizer *)gestureRecognizer
{
if (gestureRecognizer.state == UIGestureRecognizerStateBegan)
{
if (self.doneLongPressed != nil)
self.doneLongPressed(_doneButton);
}
}
- (void)tabButtonPressed:(TGPhotoEditorButton *)sender
{
if (self.tabPressed != nil)
self.tabPressed((int)sender.tag);
}
- (void)setActiveTab:(TGPhotoEditorTab)tab
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
[button setSelected:(button.tag == tab) animated:false];
}
- (void)setDoneButtonEnabled:(bool)enabled animated:(bool)animated
{
_doneButton.userInteractionEnabled = enabled;
if (animated)
{
[UIView animateWithDuration:0.2f delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState animations:^
{
_doneButton.alpha = enabled ? 1.0f : 0.2f;
} completion:nil];
}
else
{
_doneButton.alpha = enabled ? 1.0f : 0.2f;
}
}
- (void)setEditButtonsEnabled:(bool)enabled animated:(bool)animated
{
_buttonsWrapperView.userInteractionEnabled = enabled;
if (animated)
{
[UIView animateWithDuration:0.2f delay:0.0f options:UIViewAnimationOptionBeginFromCurrentState animations:^
{
_buttonsWrapperView.alpha = enabled ? 1.0f : 0.2f;
} completion:nil];
}
else
{
_buttonsWrapperView.alpha = enabled ? 1.0f : 0.2f;
}
}
- (void)setEditButtonsHidden:(bool)hidden animated:(bool)animated
{
CGFloat targetAlpha = hidden ? 0.0f : 1.0f;
if (animated)
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
button.hidden = false;
[UIView animateWithDuration:0.2f
animations:^
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
button.alpha = targetAlpha;
} completion:^(__unused BOOL finished)
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
button.hidden = hidden;
}];
}
else
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
{
button.alpha = (float)targetAlpha;
button.hidden = hidden;
}
}
}
- (void)setEditButtonsHighlighted:(TGPhotoEditorTab)buttons
{
for (TGPhotoEditorButton *button in _buttonsWrapperView.subviews)
button.active = (buttons & button.tag);
}
- (void)layoutSubviews
{
_backgroundView.frame = self.bounds;
_buttonsWrapperView.frame = _backgroundView.bounds;
NSArray *buttons = _buttonsWrapperView.subviews;
if (self.frame.size.width > self.frame.size.height)
{
if (buttons.count == 1)
{
UIView *button = buttons.firstObject;
button.frame = CGRectMake(CGFloor(self.frame.size.width / 2 - button.frame.size.width / 2), (self.frame.size.height - button.frame.size.height) / 2, button.frame.size.width, button.frame.size.height);
}
else if (buttons.count == 2)
{
UIView *leftButton = buttons.firstObject;
UIView *rightButton = buttons.lastObject;
leftButton.frame = CGRectMake(CGFloor(self.frame.size.width / 5 * 2 - 5 - leftButton.frame.size.width / 2), (self.frame.size.height - leftButton.frame.size.height) / 2, leftButton.frame.size.width, leftButton.frame.size.height);
rightButton.frame = CGRectMake(CGCeil(self.frame.size.width - leftButton.frame.origin.x - rightButton.frame.size.width), (self.frame.size.height - rightButton.frame.size.height) / 2, rightButton.frame.size.width, rightButton.frame.size.height);
}
else if (buttons.count == 3)
{
UIView *leftButton = buttons.firstObject;
UIView *centerButton = [buttons objectAtIndex:1];
UIView *rightButton = buttons.lastObject;
centerButton.frame = CGRectMake(CGFloor(self.frame.size.width / 2 - centerButton.frame.size.width / 2), (self.frame.size.height - centerButton.frame.size.height) / 2, centerButton.frame.size.width, centerButton.frame.size.height);
leftButton.frame = CGRectMake(CGFloor(self.frame.size.width / 6 * 2 - 5 - leftButton.frame.size.width / 2), (self.frame.size.height - leftButton.frame.size.height) / 2, leftButton.frame.size.width, leftButton.frame.size.height);
rightButton.frame = CGRectMake(CGCeil(self.frame.size.width - leftButton.frame.origin.x - rightButton.frame.size.width), (self.frame.size.height - rightButton.frame.size.height) / 2, rightButton.frame.size.width, rightButton.frame.size.height);
}
_cancelButton.titleLabel.font = TGSystemFontOfSize(17);
_cancelButton.contentEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
[_cancelButton sizeToFit];
_cancelButton.frame = CGRectMake(0, 0, MAX(60.0f, CGCeil(_cancelButton.frame.size.width)), 44);
_cancelButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
_doneButton.titleLabel.font = TGMediumSystemFontOfSize(17);
_doneButton.contentEdgeInsets = UIEdgeInsetsMake(0, 27, 0, 10);
[_doneButton sizeToFit];
CGFloat doneButtonWidth = MAX(40, CGCeil(_doneButton.frame.size.width));
_doneButton.frame = CGRectMake(self.frame.size.width - doneButtonWidth, 0, doneButtonWidth, 44);
_doneButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
}
else
{
if (buttons.count == 1)
{
UIView *button = buttons.firstObject;
button.frame = CGRectMake((self.frame.size.width - button.frame.size.width) / 2, CGFloor((self.frame.size.height - button.frame.size.height) / 2), button.frame.size.width, button.frame.size.height);
}
else if (buttons.count == 2)
{
UIView *topButton = buttons.firstObject;
UIView *bottomButton = buttons.lastObject;
topButton.frame = CGRectMake((self.frame.size.width - topButton.frame.size.width) / 2, CGFloor(self.frame.size.height / 5 * 2 - 10 - topButton.frame.size.height / 2), topButton.frame.size.width, topButton.frame.size.height);
bottomButton.frame = CGRectMake((self.frame.size.width - bottomButton.frame.size.width) / 2, CGCeil(self.frame.size.height - topButton.frame.origin.y - bottomButton.frame.size.height), bottomButton.frame.size.width, bottomButton.frame.size.height);
}
else if (buttons.count == 3)
{
UIView *topButton = buttons.firstObject;
UIView *centerButton = [buttons objectAtIndex:1];
UIView *bottomButton = buttons.lastObject;
topButton.frame = CGRectMake((self.frame.size.width - topButton.frame.size.width) / 2, CGFloor(self.frame.size.height / 6 * 2 - 10 - topButton.frame.size.height / 2), topButton.frame.size.width, topButton.frame.size.height);
centerButton.frame = CGRectMake((self.frame.size.width - centerButton.frame.size.width) / 2, CGFloor((self.frame.size.height - centerButton.frame.size.height) / 2), centerButton.frame.size.width, centerButton.frame.size.height);
bottomButton.frame = CGRectMake((self.frame.size.width - bottomButton.frame.size.width) / 2, CGCeil(self.frame.size.height - topButton.frame.origin.y - bottomButton.frame.size.height), bottomButton.frame.size.width, bottomButton.frame.size.height);
}
_cancelButton.titleLabel.font = TGSystemFontOfSize(13);
_cancelButton.contentEdgeInsets = UIEdgeInsetsMake(0, 0, 0, 0);
[_cancelButton sizeToFit];
_cancelButton.frame = CGRectMake(0, self.frame.size.height - 44, self.frame.size.width, 44);
_cancelButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
_doneButton.titleLabel.font = TGMediumSystemFontOfSize(13);
_doneButton.contentEdgeInsets = UIEdgeInsetsMake(0, 0, 0, 0);
[_doneButton sizeToFit];
_doneButton.frame = CGRectMake(0, 0, self.frame.size.width, 44);
_doneButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter;
}
}
- (void)transitionInAnimated:(bool)animated
{
[self transitionInAnimated:animated transparent:false];
}
- (void)transitionInAnimated:(bool)animated transparent:(bool)transparent
{
self.backgroundColor = transparent ? [UIColor clearColor] : [UIColor blackColor];
void (^animationBlock)(void) = ^
{
if (self.frame.size.width > self.frame.size.height)
{
_backgroundView.frame = CGRectMake(_backgroundView.frame.origin.x,
0,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
else
{
_backgroundView.frame = CGRectMake(0,
_backgroundView.frame.origin.y,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
};
void (^completionBlock)(BOOL) = ^(BOOL finished)
{
if (finished)
self.backgroundColor = [UIColor clearColor];
};
if (animated)
{
if (self.frame.size.width > self.frame.size.height)
{
_backgroundView.frame = CGRectMake(_backgroundView.frame.origin.x,
_backgroundView.frame.size.height,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
else
{
if (_interfaceOrientation == UIInterfaceOrientationLandscapeLeft)
{
_backgroundView.frame = CGRectMake(-_backgroundView.frame.size.width,
_backgroundView.frame.origin.y,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
else
{
_backgroundView.frame = CGRectMake(_backgroundView.frame.size.width,
_backgroundView.frame.origin.y,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
}
if (iosMajorVersion() >= 7)
[UIView animateWithDuration:0.4f delay:0.0f usingSpringWithDamping:1.0f initialSpringVelocity:0.0f options:UIViewAnimationOptionCurveLinear animations:animationBlock completion:completionBlock];
else
[UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionAllowUserInteraction animations:animationBlock completion:completionBlock];
}
else
{
animationBlock();
completionBlock(true);
}
}
- (void)transitionOutAnimated:(bool)animated
{
[self transitionOutAnimated:animated transparent:false hideOnCompletion:false];
}
- (void)transitionOutAnimated:(bool)animated transparent:(bool)transparent hideOnCompletion:(bool)hideOnCompletion
{
void (^animationBlock)(void) = ^
{
if (self.frame.size.width > self.frame.size.height)
{
_backgroundView.frame = CGRectMake(_backgroundView.frame.origin.x,
_backgroundView.frame.size.height,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
else
{
if (_interfaceOrientation == UIInterfaceOrientationLandscapeLeft)
{
_backgroundView.frame = CGRectMake(-_backgroundView.frame.size.width,
_backgroundView.frame.origin.y,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
else
{
_backgroundView.frame = CGRectMake(_backgroundView.frame.size.width,
_backgroundView.frame.origin.y,
_backgroundView.frame.size.width,
_backgroundView.frame.size.height);
}
}
};
void (^completionBlock)(BOOL) = ^(__unused BOOL finished)
{
if (hideOnCompletion)
self.hidden = true;
};
self.backgroundColor = transparent ? [UIColor clearColor] : [UIColor blackColor];
if (animated)
{
if (iosMajorVersion() >= 7)
[UIView animateWithDuration:0.4f delay:0.0f usingSpringWithDamping:1.0f initialSpringVelocity:0.0f options:UIViewAnimationOptionCurveLinear animations:animationBlock completion:completionBlock];
else
[UIView animateWithDuration:0.3f delay:0.0f options:UIViewAnimationOptionAllowUserInteraction animations:animationBlock completion:completionBlock];
}
else
{
animationBlock();
completionBlock(true);
}
}
- (void)calculateLandscapeSizeForPossibleButtonTitles:(NSArray *)possibleButtonTitles
{
CGFloat maxWidth = 0.0f;
for (NSString *title in possibleButtonTitles)
{
CGFloat width = 0.0f;
if ([title respondsToSelector:@selector(sizeWithAttributes:)])
width = CGCeil([title sizeWithAttributes:@{ NSFontAttributeName:TGSystemFontOfSize(17) }].width - 1);
else
width = CGCeil([title sizeWithFont:TGSystemFontOfSize(17)].width - 1);
if (width > maxWidth)
maxWidth = width;
}
_landscapeSize = maxWidth;
}
- (CGFloat)landscapeSize
{
if (_landscapeSize < FLT_EPSILON)
{
[self calculateLandscapeSizeForPossibleButtonTitles:@[ [_cancelButton titleForState:UIControlStateNormal], [_doneButton titleForState:UIControlStateNormal] ]];
}
return _landscapeSize;
}
@end
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