From 72a4562885b87273443acd01f777a55483e66ae2 Mon Sep 17 00:00:00 2001
From: "pengfei.zhou" <pengfeizhou@foxmail.com>
Date: Wed, 20 Oct 2021 17:49:46 +0800
Subject: [PATCH] iOS: optimze when updating cell do not cause size change, do
 not reload

---
 doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m | 10 ++++++++++
 doric-iOS/Pod/Classes/Shader/DoricInputNode.m      |  5 +++++
 doric-iOS/Pod/Classes/Shader/DoricListNode.m       | 10 ++++++++++
 doric-iOS/Pod/Classes/Shader/DoricSliderNode.m     | 10 ++++++++++
 4 files changed, 35 insertions(+)

diff --git a/doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m b/doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m
index 6f10587d..6f04844b 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricFlowLayoutNode.m
@@ -295,13 +295,23 @@ - (void)blendSubNode:(NSDictionary *)subModel {
     dispatch_async(dispatch_get_main_queue(), ^{
         NSString *viewId = subModel[@"id"];
         DoricViewNode *viewNode = [self subNodeWithViewId:viewId];
+        BOOL skipReload = NO;
         if (viewNode) {
+            CGSize originSize = viewNode.view.frame.size;
             [viewNode blend:subModel[@"props"]];
+            [viewNode.view.doricLayout apply];
+            [viewNode requestLayout];
+            if (CGSizeEqualToSize(originSize, viewNode.view.frame.size)) {
+                skipReload = YES;
+            }
         } else {
             NSMutableDictionary *model = [[self subModelOf:viewId] mutableCopy];
             [self recursiveMixin:subModel to:model];
             [self setSubModel:model in:viewId];
         }
+        if (skipReload) {
+            return;
+        }
         [self.itemViewIds enumerateKeysAndObjectsUsingBlock:^(NSNumber *_Nonnull key, NSString *_Nonnull obj, BOOL *_Nonnull stop) {
             if ([viewId isEqualToString:obj]) {
                 *stop = YES;
diff --git a/doric-iOS/Pod/Classes/Shader/DoricInputNode.m b/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
index 2dc5a61b..8f9a0f5d 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricInputNode.m
@@ -63,6 +63,11 @@ - (instancetype)init {
     return self;
 }
 
+- (void)setText:(NSString *)text {
+    [super setText:text];
+    self.placeholderLabel.hidden = self.text.length > 0;
+}
+
 - (void)layoutSubviews {
     [super layoutSubviews];
     self.placeholderLabel.hidden = self.text.length > 0;
diff --git a/doric-iOS/Pod/Classes/Shader/DoricListNode.m b/doric-iOS/Pod/Classes/Shader/DoricListNode.m
index b9b76ee1..249490d7 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricListNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricListNode.m
@@ -279,13 +279,23 @@ - (void)blendSubNode:(NSDictionary *)subModel {
     dispatch_async(dispatch_get_main_queue(), ^{
         NSString *viewId = subModel[@"id"];
         DoricViewNode *viewNode = [self subNodeWithViewId:viewId];
+        BOOL skipReload = NO;
         if (viewNode) {
+            CGSize originSize = viewNode.view.frame.size;
             [viewNode blend:subModel[@"props"]];
+            [viewNode.view.doricLayout apply:CGSizeMake(self.view.width, self.view.height)];
+            [viewNode requestLayout];
+            if (CGSizeEqualToSize(originSize, viewNode.view.frame.size)) {
+                skipReload = YES;
+            }
         } else {
             NSMutableDictionary *model = [[self subModelOf:viewId] mutableCopy];
             [self recursiveMixin:subModel to:model];
             [self setSubModel:model in:viewId];
         }
+        if (skipReload) {
+            return;
+        }
         [self.itemViewIds enumerateKeysAndObjectsUsingBlock:^(NSNumber *_Nonnull key, NSString *_Nonnull obj, BOOL *_Nonnull stop) {
             if ([viewId isEqualToString:obj]) {
                 *stop = YES;
diff --git a/doric-iOS/Pod/Classes/Shader/DoricSliderNode.m b/doric-iOS/Pod/Classes/Shader/DoricSliderNode.m
index 2df8a692..4e8ae01e 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricSliderNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricSliderNode.m
@@ -227,13 +227,23 @@ - (DoricViewNode *)subNodeWithViewId:(NSString *)viewId {
 - (void)blendSubNode:(NSDictionary *)subModel {
     NSString *viewId = subModel[@"id"];
     DoricViewNode *viewNode = [self subNodeWithViewId:viewId];
+    BOOL skipReload = NO;
     if (viewNode) {
+        CGSize originSize = viewNode.view.frame.size;
         [viewNode blend:subModel[@"props"]];
+        [viewNode.view.doricLayout apply:CGSizeMake(self.view.width, self.view.height)];
+        [viewNode requestLayout];
+        if (CGSizeEqualToSize(originSize, viewNode.view.frame.size)) {
+            skipReload = YES;
+        }
     } else {
         NSMutableDictionary *model = [[self subModelOf:viewId] mutableCopy];
         [self recursiveMixin:subModel to:model];
         [self setSubModel:model in:viewId];
     }
+    if (skipReload) {
+        return;
+    }
     [self.itemViewIds enumerateKeysAndObjectsUsingBlock:^(NSNumber *_Nonnull key, NSString *_Nonnull obj, BOOL *_Nonnull stop) {
         if ([viewId isEqualToString:obj]) {
             *stop = YES;