163 lines
5.0 KiB
Objective-C
163 lines
5.0 KiB
Objective-C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#import "WXComponent.h"
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#import "WXSDKInstance.h"
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#import "WXUtility.h"
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#define FlexUndefined NAN
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#ifdef __cplusplus
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#include "layout.h"
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typedef WeexCore::WXCoreFlexDirection WXCoreFlexDirection;
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typedef WeexCore::WXCoreFlexWrap WXCoreFlexWrap;
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typedef WeexCore::WXCoreJustifyContent WXCoreJustifyContent;
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typedef WeexCore::WXCoreAlignItems WXCoreAlignItems;
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typedef WeexCore::WXCoreAlignSelf WXCoreAlignSelf;
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typedef WeexCore::WXCorePositionType WXCorePositionType;
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typedef WeexCore::WXCoreDirection WXCoreDirection;
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extern "C" {
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#endif
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bool flexIsUndefined(float value);
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#ifdef __cplusplus
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}
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#endif
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#ifndef __cplusplus
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// Ensure that .m files can use css style enum definitions.
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#include "flex_enum.h"
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typedef enum WXCoreFlexDirection WXCoreFlexDirection;
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typedef enum WXCoreFlexWrap WXCoreFlexWrap;
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typedef enum WXCoreJustifyContent WXCoreJustifyContent;
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typedef enum WXCoreAlignItems WXCoreAlignItems;
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typedef enum WXCoreAlignSelf WXCoreAlignSelf;
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typedef enum WXCorePositionType WXCorePositionType;
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typedef enum WXCoreDirection WXCoreDirection;
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#endif
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@interface WXComponent ()
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{
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@package
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#ifdef __cplusplus
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WeexCore::WXCoreLayoutNode *_flexCssNode;
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#endif // __cplusplus
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CGRect _calculatedFrame;
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CGPoint _absolutePosition;
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WXPositionType _positionType;
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BOOL _isLastLayoutDirectionRTL;
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BOOL _isLayoutDirectionRTL;
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}
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/**
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* @abstract Return the css node used to layout.
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*
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* @warning Subclasses must not override this.
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*/
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#ifdef __cplusplus
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@property (nonatomic, readonly, assign) WeexCore::WXCoreLayoutNode *flexCssNode;
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#endif
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/**
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* @abstract Get css style value for key. The key should be of CSS standard form.
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* This method is for convenience use in C/ObjC environment. And if you want to
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* retrieve all style values or in C++, you could use flexCssNode directly.
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*
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* Thread usage:
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* This method should be invoked in component thread by WXPerformBlockOnComponentThread.
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* Note that all initWithRef methods of WXComponent and its subclasses are performed in
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* component thread by default. Therefore you can call this method directly in initWithRef.
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*
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* Supported keys:
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* width, height, min-width, min-height, max-width, max-height,
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* margin-(left/right/top/bottom)
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* padding-(left/right/top/bottom)
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* border-(left/right/top/bottom)-width
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* left, right, top, bottom
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* flex-grow
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*/
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- (float)getCssStyleValueForKey:(NSString *)key;
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/**
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* @abstract Get css style flex-direction. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreFlexDirection)getCssStyleFlexDirection;
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/**
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* @abstract Get css style flex-wrap. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreFlexWrap)getCssStyleFlexWrap;
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/**
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* @abstract Get css style justify-content. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreJustifyContent)getCssStyleJustifyContent;
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/**
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* @abstract Get css style align-items. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreAlignItems)getCssStyleAlignItems;
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/**
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* @abstract Get css style align-self. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreAlignSelf)getCssStyleAlignSelf;
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/**
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* @abstract Get css style position. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCorePositionType)getCssStylePositionType;
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/**
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* @abstract Get css layout direction. Thread usage the same as getCssStyleValueForKey.
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*/
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- (WXCoreDirection)getCssDirection;
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/**
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* @abstract Convert layout dimension value like 'left', 'width' to style value in js considering viewport and scale.
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*/
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- (NSString*)convertLayoutValueToStyleValue:(NSString*)valueName;
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/**
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* @abstract Get style width of a container(scroller like) with safe value. No NAN, No zero.
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*/
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- (CGFloat)safeContainerStyleWidth;
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/**
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* @abstract Delete css node of a subcomponent.
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*/
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- (void)removeSubcomponentCssNode:(WXComponent *)subcomponent;
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#pragma mark - RTL
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@property (nonatomic, assign, readonly) BOOL isDirectionRTL;
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// Now we scrollView RTL solution is tranform
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// so scrollView need tranform subviews when RTL by default
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// if your component view is not scrollView but also implement RTL layout by tranform，you need return YES
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- (BOOL)shouldTransformSubviewsWhenRTL;
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- (void)layoutDirectionDidChanged:(BOOL)isRTL;
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@end
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