| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import "FWFUIViewHostApi.h" |
| |
| @interface FWFUIViewHostApiImpl () |
| // InstanceManager must be weak to prevent a circular reference with the object it stores. |
| @property(nonatomic, weak) FWFInstanceManager *instanceManager; |
| @end |
| |
| @implementation FWFUIViewHostApiImpl |
| - (instancetype)initWithInstanceManager:(FWFInstanceManager *)instanceManager { |
| self = [self init]; |
| if (self) { |
| _instanceManager = instanceManager; |
| } |
| return self; |
| } |
| |
| - (UIView *)viewForIdentifier:(NSNumber *)identifier { |
| return (UIView *)[self.instanceManager instanceForIdentifier:identifier.longValue]; |
| } |
| |
| - (void)setBackgroundColorForViewWithIdentifier:(nonnull NSNumber *)identifier |
| toValue:(nullable NSNumber *)color |
| error:(FlutterError *_Nullable *_Nonnull)error { |
| if (color == nil) { |
| [[self viewForIdentifier:identifier] setBackgroundColor:nil]; |
| } |
| int colorInt = color.intValue; |
| UIColor *colorObject = [UIColor colorWithRed:(colorInt >> 16 & 0xff) / 255.0 |
| green:(colorInt >> 8 & 0xff) / 255.0 |
| blue:(colorInt & 0xff) / 255.0 |
| alpha:(colorInt >> 24 & 0xff) / 255.0]; |
| [[self viewForIdentifier:identifier] setBackgroundColor:colorObject]; |
| } |
| |
| - (void)setOpaqueForViewWithIdentifier:(nonnull NSNumber *)identifier |
| isOpaque:(nonnull NSNumber *)opaque |
| error:(FlutterError *_Nullable *_Nonnull)error { |
| [[self viewForIdentifier:identifier] setOpaque:opaque.boolValue]; |
| } |
| @end |
