61 lines
1.4 KiB
Mathematica
61 lines
1.4 KiB
Mathematica
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//
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// UIViewFactory.m
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// foundation_fluttify
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//
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// Created by Yohom Bao on 2020/4/17.
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//
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#import "UIViewFactory.h"
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#import "FoundationFluttifyPlugin.h"
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// Dart端随机存取对象的容器
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extern NSMutableDictionary<NSString *, NSObject *> *HEAP;
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@implementation UIViewFactory {
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}
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- (instancetype)initWithRegistrar:(NSObject <FlutterPluginRegistrar> *)registrar {
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self = [super init];
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if (self) {
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_registrar = registrar;
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}
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return self;
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}
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- (NSObject <FlutterPlatformView> *)createWithFrame:(CGRect)frame viewIdentifier:(int64_t)viewId arguments:(id _Nullable)args {
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return [[UIViewPlatformView alloc] initWithViewId:viewId frame: frame registrar:_registrar];
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}
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@end
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@implementation UIViewPlatformView {
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int64_t _viewId;
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CGRect _frame;
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UIView* _view;
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}
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- (instancetype)initWithViewId:(int64_t)viewId frame:(CGRect)frame registrar:(NSObject <FlutterPluginRegistrar> *)registrar {
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self = [super init];
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if (self) {
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_viewId = viewId;
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_registrar = registrar;
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_frame = frame;
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}
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return self;
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}
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- (UIView *)view {
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if (_view == nil) {
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_view = [[UIView alloc] initWithFrame:_frame];
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}
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// 这里用一个magic number调整一下id
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HEAP[[NSString stringWithFormat:@"%@", @(2147483647 - _viewId)]] = _view;
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HEAP[[NSString stringWithFormat:@"%@:%@", @"UIView", @(_view.hash)]] = _view;
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return _view;
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}
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@end
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