[iOS] add callback on wxcomponent

apache · May 8, 2019 · 4e858e6 · 4e858e6
1 parent 650cb5b
commit 4e858e6
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diff --git a/ios/sdk/WeexSDK/Sources/Model/WXComponent.h b/ios/sdk/WeexSDK/Sources/Model/WXComponent.h
@@ -27,6 +27,10 @@ typedef enum : NSUInteger {
     WXDisplayTypeBlock
 } WXDisplayType;
 
+typedef enum : NSUInteger {
+    WXComponentViewCreatedCallback
+} WXComponentCallbackType;
+
 /**
  * @abstract the component callback , result can be string or dictionary.
  * @discussion callback data to js, the id of callback function will be removed to save memory.
@@ -169,6 +173,15 @@ NS_ASSUME_NONNULL_BEGIN
  */
 - (nullable CGSize (^)(CGSize constrainedSize))measureBlock;
 
+/**
+ *  The callback of the component
+ *
+ *  When the callbackType is WXComponentViewCreatedCallback, the result type is UIView.
+ *
+ *  @return A block that takes component, callbackType and a result.
+ **/
+@property (nonatomic, copy) void (^componentCallback)(WXComponent *component, WXComponentCallbackType callbackType, id result);
+
 /**
  * @abstract Called on main thread when the component has just laid out.
  */

diff --git a/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm b/ios/sdk/WeexSDK/Sources/View/WXComponent+ViewManagement.mm
@@ -155,6 +155,9 @@ - (void)viewWillLoad
 - (void)viewDidLoad
 {
     WXAssertMainThread();
+    if (self.componentCallback) {
+        self.componentCallback(self, WXComponentViewCreatedCallback, _view);
+    }
 }
 
 - (void)viewWillUnload