blob: 8dcabf89d1b3738c55a5eb094e060640d2500258 [file] [log] [blame]
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/ui/bubble/bubble_view_controller.h"
#include "ios/chrome/browser/ui/util/animation_util.h"
#import "ios/chrome/common/material_timing.h"
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
namespace {
const CGFloat kAnimationDuration = ios::material::kDuration3;
// The vertical offset distance used in the sink-down animation.
const CGFloat kVerticalOffset = 8.0f;
} // namespace
@interface BubbleViewController ()
@property(nonatomic, copy, readonly) NSString* text;
@property(nonatomic, assign, readonly) BubbleArrowDirection arrowDirection;
@property(nonatomic, assign, readonly) BubbleAlignment alignment;
@end
@implementation BubbleViewController
@synthesize text = _text;
@synthesize arrowDirection = _arrowDirection;
@synthesize alignment = _alignment;
- (instancetype)initWithText:(NSString*)text
arrowDirection:(BubbleArrowDirection)direction
alignment:(BubbleAlignment)alignment {
self = [super initWithNibName:nil bundle:nil];
if (self) {
_text = text;
_arrowDirection = direction;
_alignment = alignment;
}
return self;
}
- (void)loadView {
self.view = [[BubbleView alloc] initWithText:self.text
arrowDirection:self.arrowDirection
alignment:self.alignment];
// Begin hidden.
[self.view setAlpha:0.0f];
[self.view setHidden:YES];
}
// Animate the bubble view in with a fade-in and sink-down animation.
- (void)animateContentIn {
// Set the frame's origin to be slightly higher on the screen, so that the
// view will be properly positioned once it sinks down.
CGRect frame = self.view.frame;
frame.origin.y = frame.origin.y - kVerticalOffset;
[self.view setFrame:frame];
[self.view setHidden:NO];
// Set the y-coordinate of |frame.origin| to its final value.
frame.origin.y = frame.origin.y + kVerticalOffset;
[UIView animateWithDuration:kAnimationDuration
delay:0.0
options:UIViewAnimationOptionCurveEaseOut
animations:^{
[self.view setFrame:frame];
[self.view setAlpha:1.0f];
}
completion:nil];
}
- (void)dismissAnimated:(BOOL)animated {
NSTimeInterval duration = (animated ? kAnimationDuration : 0.0);
[UIView animateWithDuration:duration
animations:^{
[self.view setAlpha:0.0f];
}
completion:^(BOOL finished) {
[self.view setHidden:YES];
[self willMoveToParentViewController:nil];
[self.view removeFromSuperview];
[self removeFromParentViewController];
}];
}
@end