86 lines
3.0 KiB
Objective-C
86 lines
3.0 KiB
Objective-C
//
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// SCCaptureImageWhileRecordingState.m
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// Snapchat
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//
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// Created by Sun Lei on 22/02/2018.
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//
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#import "SCCaptureImageWhileRecordingState.h"
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#import "SCCaptureImageWhileRecordingStateTransitionPayload.h"
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#import "SCManagedCapturerV1_Private.h"
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#import <SCFoundation/SCAssertWrapper.h>
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#import <SCFoundation/SCQueuePerformer.h>
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@interface SCCaptureImageWhileRecordingState () {
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__weak id<SCCaptureStateDelegate> _delegate;
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SCQueuePerformer *_performer;
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}
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@end
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@implementation SCCaptureImageWhileRecordingState
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- (instancetype)initWithPerformer:(SCQueuePerformer *)performer
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bookKeeper:(SCCaptureStateMachineBookKeeper *)bookKeeper
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delegate:(id<SCCaptureStateDelegate>)delegate
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{
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self = [super initWithPerformer:performer bookKeeper:bookKeeper delegate:delegate];
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if (self) {
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_delegate = delegate;
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_performer = performer;
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}
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return self;
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}
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- (SCCaptureStateMachineStateId)stateId
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{
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return SCCaptureImageWhileRecordingStateId;
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}
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- (void)didBecomeCurrentState:(SCStateTransitionPayload *)payload
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resource:(SCCaptureResource *)resource
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context:(NSString *)context
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{
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SCAssertPerformer(_performer);
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SCAssert(payload.fromState == SCCaptureRecordingStateId, @"");
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SCAssert(payload.toState == [self stateId], @"");
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SCAssert([payload isKindOfClass:[SCCaptureImageWhileRecordingStateTransitionPayload class]], @"");
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;
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SCCaptureImageWhileRecordingStateTransitionPayload *captureImagePayload =
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(SCCaptureImageWhileRecordingStateTransitionPayload *)payload;
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@weakify(self);
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sc_managed_capturer_capture_still_image_completion_handler_t block =
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^(UIImage *fullScreenImage, NSDictionary *metadata, NSError *error, SCManagedCapturerState *state) {
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captureImagePayload.block(fullScreenImage, metadata, error, state);
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[_performer perform:^{
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@strongify(self);
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[self _cancelRecordingWithContext:context resource:resource];
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}];
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};
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[SCCaptureWorker
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captureStillImageWithCaptureResource:resource
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aspectRatio:captureImagePayload.aspectRatio
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captureSessionID:captureImagePayload.captureSessionID
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shouldCaptureFromVideo:[SCCaptureWorker shouldCaptureImageFromVideoWithResource:resource]
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completionHandler:block
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context:context];
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[_delegate currentState:self requestToTransferToNewState:SCCaptureRunningStateId payload:nil context:context];
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}
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- (void)_cancelRecordingWithContext:(NSString *)context resource:(SCCaptureResource *)resource
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{
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SCTraceODPCompatibleStart(2);
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SCAssertPerformer(_performer);
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[SCCaptureWorker cancelRecordingWithCaptureResource:resource];
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NSString *apiName =
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[NSString sc_stringWithFormat:@"%@/%@", NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
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[self.bookKeeper logAPICalled:apiName context:context];
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}
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@end
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