315 lines
12 KiB
Objective-C
315 lines
12 KiB
Objective-C
//
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// FlutterPagPlugin.m
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// FlutterPagPlugin
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//
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// Created by 黎敬茂 on 2022/3/14.
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// Copyright © 2022 Tencent. All rights reserved.
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//
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#import "FlutterPagPlugin.h"
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#import "TGFlutterPagRender.h"
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#import "TGFlutterPagDownloadManager.h"
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#import "TGFlutterPagPlatformView.h"
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/**
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FlutterPagPlugin，处理flutter MethodChannel约定的方法
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*/
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#define PlayCallback @"PAGCallback"
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#define ArgumentEvent @"PAGEvent"
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#define ArgumentTextureId @"textureId"
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@interface FlutterPagPlugin()
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/// flutter引擎注册的textures对象
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@property(nonatomic, weak) NSObject<FlutterTextureRegistry>* textures;
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/// flutter引擎注册的registrar对象
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@property(nonatomic, weak) NSObject<FlutterPluginRegistrar>* registrar;
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/// 保存textureId跟render对象的对应关系
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@property (nonatomic, strong) NSMutableDictionary *renderMap;
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/// pag对象的缓存
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@property (nonatomic, strong)NSCache<NSString*, NSData *> *cache;
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/// 用于通信的channel
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@property (nonatomic, strong)FlutterMethodChannel* channel;
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- (NSDictionary<NSString*, NSData*>*)imageReplacementsByNameFromArguments:(id)arguments;
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- (void)pagRenderWithPagData:(NSData*)pagData
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progress:(double)progress
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repeatCount:(int)repeatCount
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autoPlay:(BOOL)autoPlay
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imageReplacementsByName:(NSDictionary<NSString*, NSData*>*)imageReplacementsByName
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result:(FlutterResult)result;
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@end
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@implementation FlutterPagPlugin
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+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
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FlutterMethodChannel* channel = [FlutterMethodChannel
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methodChannelWithName:@"flutter_pag_plugin"
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binaryMessenger:[registrar messenger]];
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FlutterPagPlugin* instance = [[FlutterPagPlugin alloc] init];
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instance.textures = registrar.textures;
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instance.registrar = registrar;
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instance.channel = channel;
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[registrar addMethodCallDelegate:instance channel:channel];
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[registrar registerViewFactory:[[TGFlutterPagPlatformViewFactory alloc] initWithRegistrar:registrar]
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withId:@"flutter_pag_plugin_view"];
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}
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- (void)getLayersUnderPoint:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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NSNumber* x = arguments[@"x"];
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NSNumber* y = arguments[@"y"];
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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NSArray<NSString *> *names = [render getLayersUnderPoint:CGPointMake(x.doubleValue, y.doubleValue)];
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result(names);
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}
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- (void)release:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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if(textureId == nil){
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result(@"");
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return;
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}
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[self.textures unregisterTexture:textureId.intValue];
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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[render releaseRender];
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[_renderMap removeObjectForKey:textureId];
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result(@"");
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}
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- (void)setProgress:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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if(textureId == nil){
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result(@"");
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return;
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}
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double progress = 0.0;
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if (arguments[@"progress"]) {
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progress = [arguments[@"progress"] doubleValue];
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}
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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[render setProgress:progress];
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result(@"");
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}
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- (void)pause:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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if(textureId == nil){
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result(@"");
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return;
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}
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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[render pauseRender];
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result(@"");
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}
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- (void)stop:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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if(textureId == nil){
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result(@"");
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return;
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}
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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[render stopRender];
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result(@"");
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}
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- (void)start:(id)arguments result:(FlutterResult _Nonnull)result {
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NSNumber* textureId = arguments[@"textureId"];
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if(textureId == nil){
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result(@"");
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return;
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}
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TGFlutterPagRender *render = [_renderMap objectForKey:textureId];
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[render startRender];
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result(@"");
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}
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- (void)initPag:(id)arguments result:(FlutterResult _Nonnull)result {
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if (arguments == nil || (arguments[@"assetName"] == NSNull.null && arguments[@"url"] == NSNull.null && arguments[@"bytesData"] == NSNull.null)) {
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result(@-1);
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NSLog(@"showPag arguments is nil");
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return;
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}
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double initProgress = 0.0;
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if (arguments[@"initProgress"]) {
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initProgress = [arguments[@"initProgress"] doubleValue];
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}
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int repeatCount = -1;
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if(arguments[@"repeatCount"]){
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repeatCount = [[arguments objectForKey:@"repeatCount"] intValue];
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}
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BOOL autoPlay = NO;
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if(arguments[@"autoPlay"]){
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autoPlay = [[arguments objectForKey:@"autoPlay"] boolValue];
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}
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NSDictionary<NSString*, NSData*>* imageReplacementsByName = [self imageReplacementsByNameFromArguments:arguments];
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NSString* assetName = arguments[@"assetName"];
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NSData *pagData = nil;
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if ([assetName isKindOfClass:NSString.class] && assetName.length > 0) {
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NSString *key = assetName;
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pagData = [self getCacheData:key];
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if (!pagData) {
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NSString* package = arguments[@"package"];
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NSString* resourcePath;
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if(package && [package isKindOfClass:NSString.class] && package.length > 0){
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resourcePath = [self.registrar lookupKeyForAsset:assetName fromPackage:package];
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}else{
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resourcePath = [self.registrar lookupKeyForAsset:assetName];
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}
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resourcePath = [[NSBundle mainBundle] pathForResource:resourcePath ofType:nil];
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pagData = [NSData dataWithContentsOfFile:resourcePath];
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[self setCacheData:key data:pagData];
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}
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[self pagRenderWithPagData:pagData progress:initProgress repeatCount:repeatCount autoPlay:autoPlay imageReplacementsByName:imageReplacementsByName result:result];
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}
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NSString* url = arguments[@"url"];
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if ([url isKindOfClass:NSString.class] && url.length > 0) {
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NSString *key = url;
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pagData = [self getCacheData:key];
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if (!pagData) {
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__weak typeof(self) weak_self = self;
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[TGFlutterPagDownloadManager download:url completionHandler:^(NSData * _Nonnull data, NSError * _Nonnull error) {
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if (data) {
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[weak_self setCacheData:key data:data];
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[weak_self pagRenderWithPagData:data progress:initProgress repeatCount:repeatCount autoPlay:autoPlay imageReplacementsByName:imageReplacementsByName result:result];
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}else{
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result(@-1);
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}
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}];
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}else{
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[self pagRenderWithPagData:pagData progress:initProgress repeatCount:repeatCount autoPlay:autoPlay imageReplacementsByName:imageReplacementsByName result:result];
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}
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}
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id bytesData = arguments[@"bytesData"];
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if(bytesData != nil && [bytesData isKindOfClass:FlutterStandardTypedData.class]){
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FlutterStandardTypedData *typedData = bytesData;
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if(typedData.type == FlutterStandardDataTypeUInt8 && typedData.data != nil){
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[self pagRenderWithPagData:typedData.data progress:initProgress repeatCount:repeatCount autoPlay:autoPlay imageReplacementsByName:imageReplacementsByName result:result];
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}else{
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result(@-1);
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}
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}
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}
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- (NSDictionary<NSString*, NSData*>*)imageReplacementsByNameFromArguments:(id)arguments {
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if (![arguments isKindOfClass:NSDictionary.class]) {
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return @{};
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}
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NSDictionary* params = arguments;
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id raw = params[@"imageReplacementsByName"];
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if (![raw isKindOfClass:NSDictionary.class]) {
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return @{};
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}
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NSMutableDictionary<NSString*, NSData*>* result = [[NSMutableDictionary alloc] init];
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[(NSDictionary*)raw enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL* stop) {
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if (![key isKindOfClass:NSString.class]) {
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return;
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}
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NSString* layerName = [(NSString*)key stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceAndNewlineCharacterSet];
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if (layerName.length == 0) {
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return;
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}
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NSData* data = nil;
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if ([value isKindOfClass:FlutterStandardTypedData.class]) {
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FlutterStandardTypedData* typedData = value;
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if (typedData.type == FlutterStandardDataTypeUInt8) {
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data = typedData.data;
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}
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} else if ([value isKindOfClass:NSData.class]) {
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data = value;
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}
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if (data.length > 0) {
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result[layerName] = data;
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}
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}];
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return result;
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}
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- (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
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id arguments = call.arguments;
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if ([@"getPlatformVersion" isEqualToString:call.method]) {
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result([@"iOS " stringByAppendingString:[[UIDevice currentDevice] systemVersion]]);
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} else if([@"initPag" isEqualToString:call.method]){
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[self initPag:arguments result:result];
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} else if([@"start" isEqualToString:call.method]){
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[self start:arguments result:result];
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} else if([@"stop" isEqualToString:call.method]){
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[self stop:arguments result:result];
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} else if([@"pause" isEqualToString:call.method]){
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[self pause:arguments result:result];
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} else if([@"setProgress" isEqual:call.method]){
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[self setProgress:arguments result:result];
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} else if([@"release" isEqualToString:call.method]){
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[self release:arguments result:result];
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} else if([@"getLayersUnderPoint" isEqualToString:call.method]){
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[self getLayersUnderPoint:arguments result:result];
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} else {
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result(FlutterMethodNotImplemented);
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}
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}
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-(void)pagRenderWithPagData:(NSData *)pagData progress:(double)progress repeatCount:(int)repeatCount autoPlay:(BOOL)autoPlay imageReplacementsByName:(NSDictionary<NSString*, NSData*>*)imageReplacementsByName result:(FlutterResult)result{
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if (pagData == nil || pagData.length == 0) {
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result(@-1);
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return;
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}
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__block int64_t textureId = -1;
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__weak typeof(self) weakSelf = self;
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TGFlutterPagRender *render = [[TGFlutterPagRender alloc] initWithPagData:pagData progress:progress imageReplacementsByName:imageReplacementsByName frameUpdateCallback:^{
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[weakSelf.textures textureFrameAvailable:textureId];
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} eventCallback:^(NSString * event) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[weakSelf.channel invokeMethod:PlayCallback arguments:@{ArgumentTextureId:@(textureId), ArgumentEvent:event}];
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});
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}];
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CGSize renderSize = [render size];
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if (render == nil || renderSize.width <= 0 || renderSize.height <= 0) {
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result(@-1);
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return;
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}
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[render setRepeatCount:repeatCount];
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textureId = [self.textures registerTexture:render];
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if(_renderMap == nil){
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_renderMap = [[NSMutableDictionary alloc] init];
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}
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[_renderMap setObject:render forKey:@(textureId)];
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result(@{@"textureId":@(textureId), @"width":@(renderSize.width), @"height":@(renderSize.height)});
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if(autoPlay){
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[render startRender];
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}
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}
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-(NSData *)getCacheData:(NSString *)key{
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return [self.cache objectForKey:key];
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}
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-(void)setCacheData:(NSString *)key data:(NSData *)data{
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if (data == nil || key == nil) {
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return;
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}
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[self.cache setObject:data forKey:key cost:data.length];
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}
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-(NSCache *)cache{
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if (!_cache) {
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_cache = [[NSCache alloc] init];
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///缓存64m
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_cache.totalCostLimit = 64*1024*1024;
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_cache.countLimit = 32;
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}
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return _cache;
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}
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@end
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