iOS: Ensure that rendering operations are serialized to prevent timing errors

doric-iOS/Pod/Classes/Extension/DoricBridgeExtension.m

@@ -109,7 +109,14 @@ - (id)findClass:(Class)clz target:(id)target context:(DoricContext *)context met
                     const char *retType = methodSignature.methodReturnType;
                     if (!strcmp(retType, @encode(void))) {
                         ret = nil;
+                        DoricThreadMode mode = [target threadMode:methodName];
+                        if (mode == DoricThreadModeUI) {
+                            dispatch_async(dispatch_get_main_queue(), block);
+                        } else if (mode == DoricThreadModeJS) {
+                            block();
+                        } else {
                             dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block);
+                        }
                     } else if (!strcmp(retType, @encode(id))) {
                         void *retValue;
                         block();

doric-iOS/Pod/Classes/Plugin/DoricNativePlugin.h

@@ -25,10 +25,21 @@
 #import "DoricPromise.h"
 #import "DoricRegistry.h"
 
+typedef NS_ENUM(NSUInteger, DoricThreadMode) {
+    DoricThreadModeUI = 1,
+    DoricThreadModeJS = 2,
+    DoricThreadModeIndependent = 3,
+};
+
 NS_ASSUME_NONNULL_BEGIN
 
 @interface DoricNativePlugin : DoricContextHolder
-
+/**
+ * Determines which thread this method should run on
+ * @param method name of method
+ * @return thread where this method should run on,default is DoricThreadModeIndependent
+ * */
+- (DoricThreadMode)threadMode:(NSString *)method;
 @end
 
 NS_ASSUME_NONNULL_END

doric-iOS/Pod/Classes/Plugin/DoricNativePlugin.m

@@ -23,5 +23,7 @@
 #import "DoricNativePlugin.h"
 
 @implementation DoricNativePlugin
-
+- (DoricThreadMode)threadMode:(NSString *)method {
+    return DoricThreadModeIndependent;
+}
 @end

doric-iOS/Pod/Classes/Plugin/DoricShaderPlugin.m

@@ -29,14 +29,15 @@
 
 @implementation DoricShaderPlugin
 
+- (DoricThreadMode)threadMode:(NSString *)method {
+    return DoricThreadModeUI;
+}
+
 - (void)render:(NSDictionary *)argument withPromise:(DoricPromise *)promise {
     if (!argument) {
         return;
     }
     [self.doricContext.performanceProfile prepare:@"Render"];
-    __weak typeof(self) _self = self;
-    [self.doricContext dispatchToMainQueue:^{
-        __strong typeof(_self) self = _self;
     if (self.doricContext == nil) {
         return;
     }
@@ -54,13 +55,9 @@ - (void)render:(NSDictionary *)argument withPromise:(DoricPromise *)promise {
     }
     [promise resolve:nil];
     [self.doricContext.performanceProfile end:@"Render"];
-    }];
 }
 
 - (void)command:(NSDictionary *)argument withPromise:(DoricPromise *)promise {
-    __weak typeof(self) _self = self;
-    [self.doricContext dispatchToMainQueue:^{
-        __strong typeof(_self) self = _self;
     if (self.doricContext == nil) {
         return;
     }
@@ -82,7 +79,6 @@ - (void)command:(NSDictionary *)argument withPromise:(DoricPromise *)promise {
     } else {
         [self findClass:[viewNode class] target:viewNode method:name promise:promise argument:args];
     }
-    }];
 }
 
 - (id)createParamWithMethodName:(NSString *)method promise:(DoricPromise *)promise argument:(id)argument {