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STOverlapWindowView.m
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//
// STOverlapWindowView.m
// STOverlapWindowView
//
// Created by EIMEI on 2014/02/12.
// Copyright (c) 2014年 stack3. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#import "STOverlapWindowView.h"
static const NSTimeInterval _STAnimationDuration = 0.3f;
@interface STOverlapWindowView ()
@property (weak, nonatomic) UIWindow *parentWindow;
@end
@implementation STOverlapWindowView
- (id)init
{
CGRect frame = [[UIScreen mainScreen] bounds];
self = [super initWithFrame:frame];
if (self) {
[self windowCommonInit];
}
return self;
}
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
[self windowCommonInit];
}
return self;
}
- (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self) {
[self windowCommonInit];
}
return self;
}
- (void)windowCommonInit
{
self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5];
NSNotificationCenter *ntfCenter = [NSNotificationCenter defaultCenter];
[ntfCenter addObserver:self selector:@selector(handleStatusBarFrameOrOrientationChanged:) name:UIApplicationDidChangeStatusBarOrientationNotification object:nil];
[ntfCenter addObserver:self selector:@selector(handleStatusBarFrameOrOrientationChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)handleStatusBarFrameOrOrientationChanged:(NSNotification *)notification
{
UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
CGFloat angle = [self angleForOrientation:orientation];
CGAffineTransform transform = CGAffineTransformMakeRotation(angle);
if (!CGAffineTransformEqualToTransform(self.transform, transform)) {
self.transform = transform;
}
if (!CGRectEqualToRect(self.frame, _parentWindow.bounds)) {
self.frame = _parentWindow.bounds;
}
}
- (CGFloat)currentStatusBarHeight
{
UIApplication *app = [UIApplication sharedApplication];
UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
if (UIInterfaceOrientationIsLandscape(orientation)) {
return app.statusBarFrame.size.width;
} else {
return app.statusBarFrame.size.height;
}
}
- (CGFloat)angleForOrientation:(UIInterfaceOrientation)orientation
{
CGFloat angle;
switch (orientation) {
case UIInterfaceOrientationPortraitUpsideDown:
angle = M_PI;
break;
case UIInterfaceOrientationLandscapeLeft:
angle = -M_PI_2;
break;
case UIInterfaceOrientationLandscapeRight:
angle = M_PI_2;
break;
default:
angle = 0.0;
break;
}
return angle;
}
- (void)showWithAnimated:(BOOL)animated
{
_parentWindow = [[UIApplication sharedApplication] keyWindow];
// DO NOT set NO. Because it will corrupt layout.
// self.translatesAutoresizingMaskIntoConstraints = NO;
self.frame = _parentWindow.bounds;
[_parentWindow addSubview:self];
if (animated) {
self.alpha = 0;
[UIView animateWithDuration:_STAnimationDuration animations:^{
self.alpha = 1.0;
}];
} else {
self.alpha = 1.0;
}
}
- (void)dismissWithAnimated:(BOOL)animated
{
if (animated) {
self.alpha = 1.0;
[UIView animateWithDuration:_STAnimationDuration animations:^{
self.alpha = 0;
} completion:^(BOOL finished) {
[self removeFromSuperview];
}];
} else {
self.alpha = 0;
[self removeFromSuperview];
}
}
@end