Pariece McKinney
491 lines
25 KiB
Objective-C
491 lines
25 KiB
Objective-C
/*
|
|
Copyright (c) 2016, 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.
|
|
|
|
3. Neither the name of the copyright holder(s) nor the names of any contributors
|
|
may be used to endorse or promote products derived from this software without
|
|
specific prior written permission. No license is granted to the trademarks of
|
|
the copyright holders even if such marks are included in this software.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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 "ORKVideoCaptureView.h"
|
|
#import "ORKVideoCaptureCameraPreviewView.h"
|
|
#import "ORKNavigationContainerView_Internal.h"
|
|
#import "ORKHelpers_Private.h"
|
|
#import "ORKHelpers_Internal.h"
|
|
#import "ORKSkin.h"
|
|
#import "ORKStepHeaderView_Internal.h"
|
|
|
|
|
|
@implementation ORKVideoCaptureView {
|
|
ORKStepHeaderView *_headerView;
|
|
ORKNavigationContainerView *_navigationFooterView;
|
|
UIBarButtonItem *_captureButtonItem;
|
|
UIBarButtonItem *_stopButtonItem;
|
|
UIBarButtonItem *_recordingButtonItem;
|
|
UIBarButtonItem *_recaptureButtonItem;
|
|
NSMutableArray *_variableConstraints;
|
|
NSTimer *_timer;
|
|
CGFloat _recordTime;
|
|
NSDateComponentsFormatter *_dateComponentsFormatter;
|
|
|
|
BOOL _capturePressesIgnored;
|
|
BOOL _stopCapturePressesIgnored;
|
|
BOOL _retakePressesIgnored;
|
|
BOOL _showSkipButtonItem;
|
|
}
|
|
|
|
- (instancetype)initWithFrame:(CGRect)frame {
|
|
self = [super initWithFrame:frame];
|
|
if (self) {
|
|
_previewView = [ORKVideoCaptureCameraPreviewView new];
|
|
[self addSubview:_previewView];
|
|
|
|
_playerViewController = [AVPlayerViewController new];
|
|
_playerViewController.videoGravity = AVLayerVideoGravityResizeAspectFill;
|
|
_playerViewController.allowsPictureInPicturePlayback = NO;
|
|
[self addSubview:_playerViewController.view];
|
|
|
|
_headerView = [ORKStepHeaderView new];
|
|
_headerView.instructionLabel.text = @" ";
|
|
[self addSubview:_headerView];
|
|
|
|
_captureButtonItem = [[UIBarButtonItem alloc] initWithTitle:ORKLocalizedString(@"CAPTURE_BUTTON_CAPTURE_VIDEO", nil)
|
|
style:UIBarButtonItemStylePlain
|
|
target:self
|
|
action:@selector(capturePressed)];
|
|
|
|
_stopButtonItem = [[UIBarButtonItem alloc] initWithTitle:ORKLocalizedString(@"CAPTURE_BUTTON_STOP_CAPTURE_VIDEO", nil)
|
|
style:UIBarButtonItemStylePlain
|
|
target:self
|
|
action:@selector(stopCapturePressed)];
|
|
|
|
_recordingButtonItem = [[UIBarButtonItem alloc] initWithTitle:nil
|
|
style:UIBarButtonItemStylePlain
|
|
target:self
|
|
action:nil];
|
|
|
|
_recaptureButtonItem = [[UIBarButtonItem alloc] initWithTitle:ORKLocalizedString(@"CAPTURE_BUTTON_RECAPTURE_VIDEO", nil)
|
|
style:UIBarButtonItemStylePlain
|
|
target:self
|
|
action:@selector(retakePressed)];
|
|
|
|
_navigationFooterView = [ORKNavigationContainerView new];
|
|
_navigationFooterView.continueEnabled = YES;
|
|
_navigationFooterView.optional = YES;
|
|
_navigationFooterView.footnoteLabel.textAlignment = NSTextAlignmentCenter;
|
|
_navigationFooterView.footnoteLabel.text = @" ";
|
|
_navigationFooterView.backgroundColor = ORKColor(ORKNavigationContainerColorKey);
|
|
[_navigationFooterView setAlpha:0.8];
|
|
[self addSubview:_navigationFooterView];
|
|
|
|
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(queue_sessionRunning) name:AVCaptureSessionDidStartRunningNotification object:nil];
|
|
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sessionWasInterrupted:) name:AVCaptureSessionWasInterruptedNotification object:self.session];
|
|
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sessionInterruptionEnded:) name:AVCaptureSessionInterruptionEndedNotification object:self.session];
|
|
|
|
[self updateAppearance];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
}
|
|
|
|
- (void)queue_sessionRunning {
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
_previewView.templateImageHidden = NO;
|
|
});
|
|
}
|
|
|
|
- (void)orientationDidChange {
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
AVCaptureVideoOrientation orientation = AVCaptureVideoOrientationPortrait;
|
|
switch (self.window.windowScene.interfaceOrientation) {
|
|
case UIInterfaceOrientationLandscapeRight:
|
|
orientation = AVCaptureVideoOrientationLandscapeRight;
|
|
break;
|
|
case UIInterfaceOrientationLandscapeLeft:
|
|
orientation = AVCaptureVideoOrientationLandscapeLeft;
|
|
break;
|
|
case UIInterfaceOrientationPortraitUpsideDown:
|
|
orientation = AVCaptureVideoOrientationPortraitUpsideDown;
|
|
break;
|
|
case UIInterfaceOrientationPortrait:
|
|
orientation = AVCaptureVideoOrientationPortrait;
|
|
break;
|
|
case UIInterfaceOrientationUnknown:
|
|
// Do nothing in these cases, since we don't need to change display orientation.
|
|
return;
|
|
}
|
|
|
|
[_previewView setVideoOrientation:orientation];
|
|
[self.delegate videoOrientationDidChange:orientation];
|
|
[self setNeedsUpdateConstraints];
|
|
});
|
|
}
|
|
|
|
- (void)setVideoCaptureStep:(ORKVideoCaptureStep *)videoCaptureStep {
|
|
_videoCaptureStep = videoCaptureStep;
|
|
|
|
_previewView.templateImage = _videoCaptureStep.templateImage;
|
|
_previewView.templateImageInsets = _videoCaptureStep.templateImageInsets;
|
|
|
|
_captureButtonItem.accessibilityHint = _videoCaptureStep.accessibilityHint;
|
|
|
|
_showSkipButtonItem = _videoCaptureStep.optional;
|
|
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)updateAppearance {
|
|
|
|
_headerView.alpha = (self.error) ? 1 : 0;
|
|
_previewView.alpha = (self.error) ? 0 : 1;
|
|
|
|
if (self.error) {
|
|
// Display the error instruction.
|
|
_headerView.instructionLabel.text = [self.error.userInfo valueForKey:NSLocalizedDescriptionKey];
|
|
|
|
// Hide the template image if there is an error
|
|
_previewView.templateImageHidden = YES;
|
|
_previewView.accessibilityHint = nil;
|
|
_playerViewController.view.hidden = YES;
|
|
|
|
// Show skip, if available, and hide the template and continue/capture button
|
|
_navigationFooterView.continueButtonItem = nil;
|
|
_navigationFooterView.skipButtonItem = _skipButtonItem;
|
|
_navigationFooterView.skipEnabled = YES;
|
|
} else if (self.videoFileURL) {
|
|
// Hide the template image after capturing
|
|
_previewView.templateImageHidden = YES;
|
|
_previewView.accessibilityHint = nil;
|
|
_playerViewController.view.hidden = NO;
|
|
|
|
// Set the continue button to the one we've saved and configure the skip button as a recapture button
|
|
_navigationFooterView.continueButtonItem = _continueButtonItem;
|
|
_navigationFooterView.skipButtonItem = _recaptureButtonItem;
|
|
_navigationFooterView.skipEnabled = YES;
|
|
} else if (self.recording) {
|
|
// Show the template image during capturing
|
|
_previewView.templateImageHidden = NO;
|
|
_previewView.accessibilityHint = _videoCaptureStep.accessibilityInstructions;
|
|
_playerViewController.view.hidden = YES;
|
|
|
|
// Change the continue button back to capture.
|
|
_navigationFooterView.continueButtonItem = _stopButtonItem;
|
|
|
|
// Start a timer to show recording progress.
|
|
_navigationFooterView.footnoteLabel.text = [self formattedTimeFromSeconds:_videoCaptureStep.duration.floatValue];
|
|
_navigationFooterView.skipEnabled = NO;
|
|
_recordTime = 0.0;
|
|
_timer = [NSTimer scheduledTimerWithTimeInterval:0.1
|
|
target:self
|
|
selector:@selector(updateRecordTime:)
|
|
userInfo:nil
|
|
repeats:YES];
|
|
} else {
|
|
// Show the template image during capturing
|
|
_previewView.templateImageHidden = NO;
|
|
_previewView.accessibilityHint = _videoCaptureStep.accessibilityInstructions;
|
|
_playerViewController.view.hidden = YES;
|
|
|
|
// Change the continue button back to capture, and change the recapture button back to skip (if available)
|
|
_navigationFooterView.continueButtonItem = _captureButtonItem;
|
|
_navigationFooterView.skipButtonItem = _skipButtonItem;
|
|
_navigationFooterView.skipEnabled = YES;
|
|
}
|
|
}
|
|
|
|
- (void)setVideoFileURL:(NSURL *)videoFileURL {
|
|
_videoFileURL = videoFileURL;
|
|
_previewView.videoFileURL = videoFileURL;
|
|
|
|
if (_videoFileURL != nil) {
|
|
AVPlayerItem *item = [[AVPlayerItem alloc] initWithURL:_videoFileURL];
|
|
_playerViewController.player = [[AVPlayer alloc] initWithPlayerItem:item];
|
|
}
|
|
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)setRecording:(BOOL)recording {
|
|
_recording = recording;
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)setError:(NSError *)error {
|
|
_error = error;
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)updateConstraints {
|
|
|
|
if (_variableConstraints) {
|
|
[NSLayoutConstraint deactivateConstraints:_variableConstraints];
|
|
[_variableConstraints removeAllObjects];
|
|
}
|
|
|
|
if (!_variableConstraints) {
|
|
_variableConstraints = [NSMutableArray new];
|
|
}
|
|
|
|
UIView *playerView = _playerViewController.view;
|
|
_headerView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
self.translatesAutoresizingMaskIntoConstraints = NO;
|
|
_previewView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
_navigationFooterView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
playerView.translatesAutoresizingMaskIntoConstraints = NO;
|
|
|
|
[_variableConstraints addObjectsFromArray:@[
|
|
[NSLayoutConstraint constraintWithItem:_headerView
|
|
attribute:NSLayoutAttributeTop
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeTop
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_headerView
|
|
attribute:NSLayoutAttributeLeft
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self.safeAreaLayoutGuide
|
|
attribute:NSLayoutAttributeLeft
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_headerView
|
|
attribute:NSLayoutAttributeRight
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self.safeAreaLayoutGuide
|
|
attribute:NSLayoutAttributeRight
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:playerView
|
|
attribute:NSLayoutAttributeTop
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeTop
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:playerView
|
|
attribute:NSLayoutAttributeLeft
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeLeft
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:playerView
|
|
attribute:NSLayoutAttributeRight
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeRight
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:playerView
|
|
attribute:NSLayoutAttributeBottom
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeBottom
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_navigationFooterView
|
|
attribute:NSLayoutAttributeBottom
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeBottom
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_navigationFooterView
|
|
attribute:NSLayoutAttributeLeft
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeLeft
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_navigationFooterView
|
|
attribute:NSLayoutAttributeRight
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:self
|
|
attribute:NSLayoutAttributeRight
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
|
|
[NSLayoutConstraint constraintWithItem:_previewView
|
|
attribute:NSLayoutAttributeTop
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:playerView
|
|
attribute:NSLayoutAttributeTop
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_previewView
|
|
attribute:NSLayoutAttributeLeft
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:playerView
|
|
attribute:NSLayoutAttributeLeft
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_previewView
|
|
attribute:NSLayoutAttributeRight
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:playerView
|
|
attribute:NSLayoutAttributeRight
|
|
multiplier:1.0
|
|
constant:0.0],
|
|
[NSLayoutConstraint constraintWithItem:_previewView
|
|
attribute:NSLayoutAttributeBottom
|
|
relatedBy:NSLayoutRelationEqual
|
|
toItem:playerView
|
|
attribute:NSLayoutAttributeBottom
|
|
multiplier:1.0
|
|
constant:0.0]
|
|
|
|
|
|
]];
|
|
|
|
[NSLayoutConstraint activateConstraints:_variableConstraints];
|
|
[super updateConstraints];
|
|
}
|
|
|
|
- (AVCaptureSession *)session {
|
|
return _previewView.session;
|
|
}
|
|
|
|
- (void)setSession:(AVCaptureSession *)session {
|
|
_previewView.session = session;
|
|
// Set up the proper videoOrientation from the start
|
|
[self orientationDidChange];
|
|
}
|
|
|
|
- (void)setSkipButtonItem:(UIBarButtonItem *)skipButtonItem {
|
|
if (_showSkipButtonItem) {
|
|
_skipButtonItem = skipButtonItem;
|
|
[self updateAppearance];
|
|
}
|
|
}
|
|
|
|
- (void)setContinueButtonItem:(UIBarButtonItem *)continueButtonItem {
|
|
_continueButtonItem = continueButtonItem;
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)setCancelButtonItem:(UIBarButtonItem *)cancelButtonItem {
|
|
_cancelButtonItem = cancelButtonItem;
|
|
[self updateAppearance];
|
|
}
|
|
|
|
- (void)capturePressed {
|
|
// If we are still waiting for the delegate to complete, ignore futher presses
|
|
if (_capturePressesIgnored)
|
|
return;
|
|
|
|
// Ignore futher presses until the delegate completes
|
|
_capturePressesIgnored = YES;
|
|
|
|
// Capture the video via the delegate
|
|
[self.delegate capturePressed:^ {
|
|
// Stop ignoring presses
|
|
_capturePressesIgnored = NO;
|
|
}];
|
|
}
|
|
|
|
- (void)stopCapturePressed {
|
|
// If we are still waiting for the delegate to complete, ignore futher presses
|
|
if (_stopCapturePressesIgnored)
|
|
return;
|
|
|
|
// Ignore futher presses until the delegate completes
|
|
_stopCapturePressesIgnored = YES;
|
|
|
|
// Invalidate timer.
|
|
[_timer invalidate];
|
|
|
|
// Stop the video capture via the delegate
|
|
[self.delegate stopCapturePressed:^ {
|
|
// Stop ignoring presses
|
|
_stopCapturePressesIgnored = NO;
|
|
}];
|
|
|
|
}
|
|
|
|
- (void)retakePressed {
|
|
// If we are still waiting for the delegate to complete, ignore futher presses
|
|
if (_retakePressesIgnored)
|
|
return;
|
|
|
|
// Ignore futher presses until the delegate completes
|
|
_retakePressesIgnored = YES;
|
|
|
|
// Tell the delegate to start capturing again
|
|
[self.delegate retakePressed:^{
|
|
// Stop ignoring presses
|
|
_retakePressesIgnored = NO;
|
|
}];
|
|
}
|
|
|
|
- (void)updateRecordTime:(NSTimer *)timer {
|
|
_recordTime += timer.timeInterval;
|
|
|
|
if (_recordTime >= _videoCaptureStep.duration.floatValue || !self.recording) {
|
|
[_timer invalidate];
|
|
[self updateAppearance];
|
|
} else {
|
|
CGFloat remainingTime = _videoCaptureStep.duration.floatValue - _recordTime;
|
|
_navigationFooterView.footnoteLabel.text = [self formattedTimeFromSeconds:remainingTime];
|
|
}
|
|
}
|
|
|
|
- (NSString *)formattedTimeFromSeconds:(CGFloat)seconds {
|
|
if (!_dateComponentsFormatter) {
|
|
_dateComponentsFormatter = [NSDateComponentsFormatter new];
|
|
_dateComponentsFormatter.zeroFormattingBehavior = NSDateComponentsFormatterZeroFormattingBehaviorPad;
|
|
_dateComponentsFormatter.allowedUnits = NSCalendarUnitMinute | NSCalendarUnitSecond | NSCalendarUnitNanosecond;
|
|
}
|
|
return [_dateComponentsFormatter stringFromTimeInterval:seconds];
|
|
}
|
|
|
|
- (void)sessionWasInterrupted:(NSNotification *)notification {
|
|
AVCaptureSessionInterruptionReason reason = [notification.userInfo[AVCaptureSessionInterruptionReasonKey] integerValue];
|
|
if (reason == AVCaptureSessionInterruptionReasonVideoDeviceNotAvailableWithMultipleForegroundApps) {
|
|
[self setError:[[NSError alloc] initWithDomain:@"" code:0 userInfo:@{NSLocalizedDescriptionKey : ORKLocalizedString(@"CAMERA_UNAVAILABLE_MESSAGE", nil)}]];
|
|
}
|
|
[_previewView.session stopRunning];
|
|
}
|
|
|
|
- (void)sessionInterruptionEnded:(NSNotification *)notification {
|
|
[self setError:nil];
|
|
}
|
|
|
|
- (BOOL)accessibilityPerformMagicTap {
|
|
if (self.error) {
|
|
return NO;
|
|
}
|
|
if (self.videoFileURL) {
|
|
[self retakePressed];
|
|
} else {
|
|
[self capturePressed];
|
|
}
|
|
return YES;
|
|
}
|
|
|
|
@end
|