iOS:refact requestLayout logic

doric-iOS/Pod/Classes/Shader/DoricGroupNode.m

@@ -161,4 +161,9 @@ - (DoricViewNode *)subNodeWithViewId:(NSString *)viewId {
     return nil;
 }
 
+- (void)requestLayout {
+    for (DoricViewNode *node in self.childNodes) {
+        [node requestLayout];
+    }
+}
 @end

doric-iOS/Pod/Classes/Shader/DoricLayouts.h

@@ -92,6 +92,8 @@ typedef NS_ENUM(NSInteger, DoricGravity) {
 
 @property(nonatomic, assign) CGFloat maxHeight;
 
+@property(nonatomic, assign) BOOL resolved;
+
 - (instancetype)init;
 
 - (void)apply;

doric-iOS/Pod/Classes/Shader/DoricLayouts.m

@@ -55,7 +55,6 @@ @interface DoricLayout ()
 @property(nonatomic, assign) CGFloat measuredHeight;
 @property(nonatomic, assign) CGFloat measuredX;
 @property(nonatomic, assign) CGFloat measuredY;
-@property(nonatomic, assign) BOOL resolved;
 @end
 
 @implementation DoricLayout

doric-iOS/Pod/Classes/Shader/DoricListNode.m

@@ -141,6 +141,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
     DoricListItemNode *node = cell.doricListItemNode;
     node.viewId = model[@"id"];
     [node blend:props];
+    [node requestLayout];
     [self callItem:position height:node.view.height];
     return cell;
 }

doric-iOS/Pod/Classes/Shader/DoricRootNode.m

@@ -61,5 +61,6 @@ - (void)setupRootView:(UIView *)view {
 
 - (void)requestLayout {
     [self.view.doricLayout apply];
+    [super requestLayout];
 }
 @end

doric-iOS/Pod/Classes/Shader/DoricScrollerNode.m

@@ -37,7 +37,9 @@ - (void)setContentView:(UIView *)contentView {
 
 - (CGSize)sizeThatFits:(CGSize)size {
     if (self.contentView) {
-        [self.contentView.doricLayout apply:self.frame.size];
+        if (!self.contentView.doricLayout.resolved) {
+            [self.contentView.doricLayout apply:self.frame.size];
+        }
         return self.contentView.frame.size;
     }
     return CGSizeZero;
@@ -117,6 +119,10 @@ - (void)afterBlended:(NSDictionary *)props {
     }
 }
 
+- (void)requestLayout {
+    [self.view.contentView.doricLayout apply:self.view.frame.size];
+}
+
 - (void)blendView:(DoricScrollView *)view forPropName:(NSString *)name propValue:(id)prop {
     if ([@"content" isEqualToString:name]) {
         self.childViewId = prop;

doric-iOS/Pod/Classes/Shader/DoricSuperNode.m

@@ -127,8 +127,4 @@ - (DoricViewNode *)subNodeWithViewId:(NSString *)viewId {
             NSStringFromSelector(_cmd));
     return nil;
 }
-
-- (void)requestLayout {
-    [self.view setNeedsLayout];
-}
 @end

doric-iOS/Pod/Classes/Shader/DoricViewNode.m

@@ -139,8 +139,7 @@ - (void)blend:(NSDictionary *)props {
     }
     [self afterBlended:props];
     [self transformProperties];
-    [self requestLayout];
-    [self.gradientLayer also:^(CAGradientLayer* it) {
+    [self.gradientLayer also:^(CAGradientLayer *it) {
         dispatch_async(dispatch_get_main_queue(), ^{
             it.frame = CGRectMake(0, 0, self.view.width, self.view.height);
         });
@@ -349,7 +348,6 @@ + (__kindof DoricViewNode *)create:(DoricContext *)context withType:(NSString *)
 }
 
 - (void)requestLayout {
-    [self.superNode requestLayout];
 }
 
 - (NSNumber *)getWidth {