| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 "WXSDKInstance.h" |
| #import "WXLog.h" |
| #import "WXCellComponent.h" |
| #import "WXListComponent.h" |
| #import "WXComponent_internal.h" |
| #import "WXDiffUtil.h" |
| #import "WXComponent+Layout.h" |
| #import "WXAssert.h" |
| |
| @interface WXCellComponent () |
| |
| @end |
| |
| @implementation WXCellComponent |
| { |
| NSIndexPath *_indexPathBeforeMove; |
| BOOL _isUseContainerWidth; |
| } |
| |
| - (instancetype)initWithRef:(NSString *)ref type:(NSString *)type styles:(NSDictionary *)styles attributes:(NSDictionary *)attributes events:(NSArray *)events weexInstance:(WXSDKInstance *)weexInstance |
| { |
| #ifdef DEBUG |
| WXLogDebug(@"flexLayout -> init Cell: ref:%@, styles:%@",ref,styles); |
| #endif |
| |
| self = [super initWithRef:ref type:type styles:styles attributes:attributes events:events weexInstance:weexInstance]; |
| |
| if (self) { |
| _async = attributes[@"async"] ? [WXConvert BOOL:attributes[@"async"]] : YES; |
| _isRecycle = attributes[@"recycle"] ? [WXConvert BOOL:attributes[@"recycle"]] : YES; |
| _insertAnimation = [WXConvert UITableViewRowAnimation:attributes[@"insertAnimation"]]; |
| _deleteAnimation = [WXConvert UITableViewRowAnimation:attributes[@"deleteAnimation"]]; |
| _keepScrollPosition = attributes[@"keepScrollPosition"] ? [WXConvert BOOL:attributes[@"keepScrollPosition"]] : NO; |
| _lazyCreateView = YES; |
| if (attributes[@"zIndex"]) { |
| _zIndex = [WXConvert NSString:attributes[@"zIndex"]]; |
| } |
| if (!_isRecycle) { |
| [weexInstance.apmInstance updateDiffStats:KEY_PAGE_STATS_CELL_UN_RE_USE_NUM withDiffValue:1]; |
| //for protocol |
| //in iOS impl,cellReuse equal cellDataRecycle |
| //in Android, cellReuse is not equal cellDataRecycle |
| [weexInstance.apmInstance updateDiffStats:KEY_PAGE_STATS_CELL_DATA_UN_RECYCLE_NUM withDiffValue:1]; |
| } |
| } |
| |
| return self; |
| } |
| |
| - (BOOL)weex_isEqualTo:(id<WXDiffable>)object |
| { |
| return self == object; |
| } |
| |
| - (void)_frameDidCalculated:(BOOL)isChanged |
| { |
| [super _frameDidCalculated:isChanged]; |
| |
| if (isChanged) { |
| [self.delegate cellDidLayout:self]; |
| } |
| } |
| |
| - (void)didFinishDrawingLayer:(BOOL)success |
| { |
| [self.delegate cellDidRendered:self]; |
| } |
| |
| - (void)updateAttributes:(NSDictionary *)attributes |
| { |
| if (attributes[@"async"]) { |
| _async = [WXConvert BOOL:attributes[@"async"]]; |
| } |
| |
| if (attributes[@"recycle"]) { |
| _isRecycle = [WXConvert BOOL:attributes[@"recycle"]]; |
| } |
| |
| if (attributes[@"insertAnimation"]) { |
| _insertAnimation = [WXConvert UITableViewRowAnimation:attributes[@"insertAnimation"]]; |
| } |
| |
| if (attributes[@"deleteAnimation"]) { |
| _deleteAnimation = [WXConvert UITableViewRowAnimation:attributes[@"deleteAnimation"]]; |
| } |
| |
| if (attributes[@"keepScrollPosition"]) { |
| _keepScrollPosition = [WXConvert BOOL:attributes[@"keepScrollPosition"]]; |
| } |
| } |
| |
| - (void)_moveToSupercomponent:(WXComponent *)newSupercomponent atIndex:(NSUInteger)index |
| { |
| if (self.delegate == (id<WXCellRenderDelegate>)newSupercomponent) { |
| [self.delegate cell:self didMoveToIndex:index]; |
| [super _removeFromSupercomponent:NO]; // no remove underlayer render object |
| [newSupercomponent _insertSubcomponent:self atIndex:index]; |
| } else { |
| [super _moveToSupercomponent:newSupercomponent atIndex:index]; |
| } |
| } |
| |
| - (void)_removeFromSupercomponent |
| { |
| [super _removeFromSupercomponent]; |
| |
| [self.delegate cellDidRemove:self]; |
| } |
| |
| - (void)removeFromSuperview |
| { |
| // do nothing |
| } |
| |
| - (BOOL)_isCalculatedFrameChanged:(CGRect)frame |
| { |
| /* |
| For list(aka UITableView), we cannot ignore left value generated by layout engine. |
| For water-fall(aka UICollectionView), we must ignore left value generated by layout engine. |
| */ |
| |
| if ([self.supercomponent _isAffineTypeAs:@"waterfall"]) { |
| return !CGSizeEqualToSize(frame.size, _calculatedFrame.size); |
| } |
| else { |
| return (!CGSizeEqualToSize(frame.size, _calculatedFrame.size)) || (frame.origin.x != _calculatedFrame.origin.x); |
| } |
| } |
| |
| - (void)_assignCalculatedFrame:(CGRect)frame |
| { |
| if ([self.supercomponent _isAffineTypeAs:@"waterfall"]) { |
| frame.origin = CGPointZero; |
| } |
| else { |
| frame.origin.y = 0.0f; // only ignore y |
| } |
| WXAssert(!isnan(frame.size.height), @"Height of cell should not be NAN."); |
| if (isnan(frame.size.height) || frame.size.height < 0.0f) { |
| frame.size.height = 0.0f; |
| } |
| _calculatedFrame = frame; |
| } |
| |
| @end |
| |