Vap/iOS/QGVAPlayer/QGVAPlayer/Classes/QGVAPWrapView.m

// UIView+VAP.m
// Tencent is pleased to support the open source community by making vap available.
//
// Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed under the License is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
// either express or implied. See the License for the specific language governing permissions and
// limitations under the License.

#import "QGVAPWrapView.h"
#import "QGVAPConfigModel.h"

@interface QGVAPWrapView()<VAPWrapViewDelegate, HWDMP4PlayDelegate>

@property (nonatomic, weak) id<VAPWrapViewDelegate> delegate;

@property (nonatomic, strong) VAPView *vapView;

@end

@implementation QGVAPWrapView

- (instancetype)init {
    if (self = [super init]) {
        [self commonInit];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self commonInit];
    }
    return self;
}

- (void)commonInit {
    self.vapView = [[VAPView alloc] initWithFrame:self.bounds];
    [self addSubview:self.vapView];
}

- (void)vapWrapView_playHWDMP4:(NSString *)filePath
                   repeatCount:(NSInteger)repeatCount
                      delegate:(id<VAPWrapViewDelegate>)delegate {
    
    self.delegate = delegate;
    
    [self.vapView playHWDMP4:filePath repeatCount:repeatCount delegate:self];
}

#pragma mark - Private

- (void)p_setupContentModeWithConfig:(QGVAPConfigModel *)config {
    CGFloat realWidth = 0.;
    CGFloat realHeight = 0.;
    
    CGFloat layoutWidth = self.bounds.size.width;
    CGFloat layoutHeight = self.bounds.size.height;
    
    CGFloat layoutRatio = self.bounds.size.width / self.bounds.size.height;
    CGFloat videoRatio = config.info.size.width / config.info.size.height;
    
    switch (self.contentMode) {
        case QGVAPWrapViewContentModeScaleToFill: {

        }
            break;
        case QGVAPWrapViewContentModeAspectFit: {
            if (layoutRatio < videoRatio) {
                realWidth = layoutWidth;
                realHeight = realWidth / videoRatio;
            } else {
                realHeight = layoutHeight;
                realWidth = videoRatio * realHeight;
            }
            
            self.vapView.frame = CGRectMake(0, 0, realWidth, realHeight);
            self.vapView.center = self.center;
        }
            break;;
        case QGVAPWrapViewContentModeAspectFill: {
            if (layoutRatio > videoRatio) {
                realWidth = layoutWidth;
                realHeight = realWidth / videoRatio;
            } else {
                realHeight = layoutHeight;
                realWidth = videoRatio * realHeight;
            }
            
            self.vapView.frame = CGRectMake(0, 0, realWidth, realHeight);
            self.vapView.center = self.center;
        }
            break;;
        default:
            break;
    }
}

#pragma mark -  mp4 hwd delegate

#pragma mark -- 播放流程
- (void)viewDidStartPlayMP4:(VAPView *)container {
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewDidStartPlayMP4:)]) {
        [self.delegate vapWrap_viewDidStartPlayMP4:container];
    }
}

- (void)viewDidFinishPlayMP4:(NSInteger)totalFrameCount view:(UIView *)container {
    //note:在子线程被调用
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewDidFinishPlayMP4:view:)]) {
        [self.delegate vapWrap_viewDidFinishPlayMP4:totalFrameCount view:container];
    }
}

- (void)viewDidPlayMP4AtFrame:(QGMP4AnimatedImageFrame *)frame view:(UIView *)container {
    //note:在子线程被调用
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewDidPlayMP4AtFrame:view:)]) {
        [self.delegate vapWrap_viewDidPlayMP4AtFrame:frame view:container];
    }
}

- (void)viewDidStopPlayMP4:(NSInteger)lastFrameIndex view:(UIView *)container {
    //note:在子线程被调用
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewDidStopPlayMP4:view:)]) {
        [self.delegate vapWrap_viewDidStopPlayMP4:lastFrameIndex view:container];
    }
}

- (BOOL)shouldStartPlayMP4:(VAPView *)container config:(QGVAPConfigModel *)config {
    [self p_setupContentModeWithConfig:config];
    
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewshouldStartPlayMP4:config:)]) {
        return [self.delegate vapWrap_viewshouldStartPlayMP4:container config:config];
    }
    return YES;
}

- (void)viewDidFailPlayMP4:(NSError *)error {
    if ([self.delegate respondsToSelector:@selector(vapWrap_viewDidFailPlayMP4:)]) {
        [self.delegate vapWrap_viewDidFailPlayMP4:error];
    }
}

#pragma mark -- 融合特效的接口 vapx

//provide the content for tags, maybe text or url string ...
- (NSString *)contentForVapTag:(NSString *)tag resource:(QGVAPSourceInfo *)info {
    if ([self.delegate respondsToSelector:@selector(vapWrapview_contentForVapTag:resource:)]) {
        return [self.delegate vapWrapview_contentForVapTag:tag resource:info];
    }
    
    return nil;
}

//provide image for url from tag content
- (void)loadVapImageWithURL:(NSString *)urlStr context:(NSDictionary *)context completion:(VAPImageCompletionBlock)completionBlock {
    if ([self.delegate respondsToSelector:@selector(vapWrapView_loadVapImageWithURL:context:completion:)]) {
        [self.delegate vapWrapView_loadVapImageWithURL:urlStr context:context completion:completionBlock];
    }
}

@end