+ [ios] ios support prerender

ios/playground/WeexDemo/AppDelegate.m

@@ -32,6 +32,8 @@
 #import <WeexSDK/WeexSDK.h>
 #import <AVFoundation/AVFoundation.h>
 #import <ATSDK/ATManager.h>
+#import "WXConfigCenterProtocol.h"
+#import "WXConfigCenterDefaultImpl.h"
 
 @interface AppDelegate ()
 @end
@@ -111,6 +113,8 @@ - (void)initWeexSDK
 
     [WXSDKEngine registerHandler:[WXImgLoaderDefaultImpl new] withProtocol:@protocol(WXImgLoaderProtocol)];
     [WXSDKEngine registerHandler:[WXEventModule new] withProtocol:@protocol(WXEventModuleProtocol)];
+    [WXSDKEngine registerHandler:[WXConfigCenterDefaultImpl new] withProtocol:@protocol(WXConfigCenterProtocol)];
+
 
     [WXSDKEngine registerComponent:@"select" withClass:NSClassFromString(@"WXSelectComponent")];
     [WXSDKEngine registerModule:@"event" withClass:[WXEventModule class]];

ios/playground/WeexDemo/WXConfigCenterDefaultImpl.h

@@ -0,0 +1,25 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#import <Foundation/Foundation.h>
+#import "WXConfigCenterProtocol.h"
+
+@interface WXConfigCenterDefaultImpl : NSObject<WXConfigCenterProtocol>
+
+@end

ios/playground/WeexDemo/WXConfigCenterDefaultImpl.m

@@ -0,0 +1,45 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#import "WXConfigCenterDefaultImpl.h"
+
+@implementation WXConfigCenterDefaultImpl
+
+- (id)configForKey:(NSString *)key defaultValue:(id)defaultValue isDefault:(BOOL *)isDefault
+{
+    NSArray<NSString*>* keys = [key componentsSeparatedByString:@"."];
+    if ([keys[0] isEqualToString:@"iOS_weex_ext_config"] && [keys[1] isEqualToString:@"text_render_useCoreText"]){
+        return @YES;
+    }
+    if ([keys[0] isEqualToString:@"iOS_weex_ext_config"] && [keys[1] isEqualToString:@"slider_class_name"]){
+        return @"WXCycleSliderComponent";
+    }
+    if ([keys[0] isEqualToString:@"weex_prerender_config"] && [keys[1] isEqualToString:@"is_switch_on"]){
+        return @YES;
+    }
+    if ([keys[0] isEqualToString:@"weex_prerender_config"] && [keys[1] isEqualToString:@"cacheTime"]){
+        return @300000;
+    }
+    if ([keys[0] isEqualToString:@"weex_prerender_config"] && [keys[1] isEqualToString:@"max_cache_num"]){
+        return @2;
+    }
+    return nil;
+}
+
+@end

ios/playground/WeexDemo/WXDemoViewController.m

@@ -25,6 +25,8 @@
 #import <WeexSDK/WXSDKManager.h>
 #import "UIViewController+WXDemoNaviBar.h"
 #import "DemoDefine.h"
+#import "WXPrerenderManager.h"
+#import "WXMonitor.h"
 
 
 @interface WXDemoViewController () <UIScrollViewDelegate, UIWebViewDelegate>
@@ -104,8 +106,8 @@ - (void)didReceiveMemoryWarning {
 
 - (void)dealloc
 {
-    [_instance destroyInstance];
 
+    [_instance destroyInstance];
 #ifdef DEBUG
     [_instance forceGarbageCollection];
 #endif
@@ -118,6 +120,10 @@ - (void)render
     CGFloat width = self.view.frame.size.width;
     [_instance destroyInstance];
     _instance = [[WXSDKInstance alloc] init];
+    if([WXPrerenderManager isTaskExist:[self.url absoluteString]]){
+        _instance = [WXPrerenderManager instanceFromUrl:self.url.absoluteString];
+    }
+
     _instance.viewController = self;
     _instance.frame = CGRectMake(self.view.frame.size.width-width, 0, width, _weexHeight);
 
@@ -156,6 +162,20 @@ - (void)render
         WXLogError(@"error: render url is nil");
         return;
     }
+    if([WXPrerenderManager isTaskExist:[self.url absoluteString]]){
+        WX_MONITOR_INSTANCE_PERF_START(WXPTJSDownload, _instance);
+        WX_MONITOR_INSTANCE_PERF_END(WXPTJSDownload, _instance);
+        WX_MONITOR_INSTANCE_PERF_START(WXPTFirstScreenRender, _instance);
+        WX_MONITOR_INSTANCE_PERF_START(WXPTAllRender, _instance);
+        UIView *view = [WXPrerenderManager viewFromUrl:self.url.absoluteString];
+        _instance.onCreate(view);
+        NSError *error = [WXPrerenderManager errorFromUrl:self.url.absoluteString];
+        if(error){
+            _instance.onFailed(error);
+        }
+        [WXPrerenderManager renderFromCache:[self.url absoluteString]];
+        return;
+    }
     NSURL *URL = [self testURL: [self.url absoluteString]];
     NSString *randomURL = [NSString stringWithFormat:@"%@%@random=%d",URL.absoluteString,URL.query?@"&":@"?",arc4random()];
     [_instance renderWithURL:[NSURL URLWithString:randomURL] options:@{@"bundleUrl":URL.absoluteString} data:nil];

ios/sdk/WeexSDK.xcodeproj/project.pbxproj

@@ -237,6 +237,8 @@
 		C401945E1E344E8300D19C31 /* WXFloatCompareTests.m in Sources */ = {isa = PBXBuildFile; fileRef = C401945D1E344E8300D19C31 /* WXFloatCompareTests.m */; };
 		C41E1A971DC1FD15009C7F90 /* WXDatePickerManager.h in Headers */ = {isa = PBXBuildFile; fileRef = C41E1A951DC1FD15009C7F90 /* WXDatePickerManager.h */; };
 		C41E1A981DC1FD15009C7F90 /* WXDatePickerManager.m in Sources */ = {isa = PBXBuildFile; fileRef = C41E1A961DC1FD15009C7F90 /* WXDatePickerManager.m */; };
+		C43C03E81EC8ACA40044C7FF /* WXPrerenderManager.h in Headers */ = {isa = PBXBuildFile; fileRef = C43C03E41EC8ACA40044C7FF /* WXPrerenderManager.h */; };
+		C43C03E91EC8ACA40044C7FF /* WXPrerenderManager.m in Sources */ = {isa = PBXBuildFile; fileRef = C43C03E51EC8ACA40044C7FF /* WXPrerenderManager.m */; };
 		C4B3D6D41E6954300013F38D /* WXEditComponent.h in Headers */ = {isa = PBXBuildFile; fileRef = C4B3D6D21E6954300013F38D /* WXEditComponent.h */; };
 		C4B3D6D51E6954300013F38D /* WXEditComponent.m in Sources */ = {isa = PBXBuildFile; fileRef = C4B3D6D31E6954300013F38D /* WXEditComponent.m */; };
 		C4B834271DE69B09007AD27E /* WXPickerModule.m in Sources */ = {isa = PBXBuildFile; fileRef = C4B834251DE69B09007AD27E /* WXPickerModule.m */; };
@@ -553,6 +555,8 @@
 		C401945D1E344E8300D19C31 /* WXFloatCompareTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = WXFloatCompareTests.m; sourceTree = "<group>"; };
 		C41E1A951DC1FD15009C7F90 /* WXDatePickerManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WXDatePickerManager.h; sourceTree = "<group>"; };
 		C41E1A961DC1FD15009C7F90 /* WXDatePickerManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = WXDatePickerManager.m; sourceTree = "<group>"; };
+		C43C03E41EC8ACA40044C7FF /* WXPrerenderManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WXPrerenderManager.h; sourceTree = "<group>"; };
+		C43C03E51EC8ACA40044C7FF /* WXPrerenderManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = WXPrerenderManager.m; sourceTree = "<group>"; };
 		C4B3D6D21E6954300013F38D /* WXEditComponent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WXEditComponent.h; sourceTree = "<group>"; };
 		C4B3D6D31E6954300013F38D /* WXEditComponent.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = WXEditComponent.m; sourceTree = "<group>"; };
 		C4B834251DE69B09007AD27E /* WXPickerModule.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = WXPickerModule.m; sourceTree = "<group>"; };
@@ -1058,6 +1062,8 @@
 		77E659D71C07F585008B8775 /* Module */ = {
 			isa = PBXGroup;
 			children = (
+				C43C03E41EC8ACA40044C7FF /* WXPrerenderManager.h */,
+				C43C03E51EC8ACA40044C7FF /* WXPrerenderManager.m */,
 				C4F012801E1502E9003378D0 /* WXWebSocketModule.h */,
 				C4F012811E1502E9003378D0 /* WXWebSocketModule.m */,
 				C4B834251DE69B09007AD27E /* WXPickerModule.m */,
@@ -1299,6 +1305,7 @@
 				59A582D41CF481110081FD3E /* WXAppMonitorProtocol.h in Headers */,
 				2A44AB111C1AD5B00067A7EA /* WXSliderComponent.h in Headers */,
 				2A837AB61CD9DE9200AEDF03 /* WXRefreshComponent.h in Headers */,
+				C43C03E81EC8ACA40044C7FF /* WXPrerenderManager.h in Headers */,
 				74B232D21D2A2BA4006322EA /* WXLayoutDefine.h in Headers */,
 				C4B834281DE69B09007AD27E /* WXPickerModule.h in Headers */,
 				59A596311CB632050012CD52 /* WXRootViewController.h in Headers */,
@@ -1546,6 +1553,7 @@
 				77E65A1A1C155F25008B8775 /* WXScrollerComponent.m in Sources */,
 				747A787D1D1BAAC900DED9D0 /* WXComponent+ViewManagement.m in Sources */,
 				C4E375371E5FCBD3009B2D9C /* WXComponent+BoxShadow.m in Sources */,
+				C43C03E91EC8ACA40044C7FF /* WXPrerenderManager.m in Sources */,
 				2A837AB51CD9DE9200AEDF03 /* WXLoadingIndicator.m in Sources */,
 				C4F012831E1502E9003378D0 /* WXWebSocketModule.m in Sources */,
 				59D3CA401CF9ED57008835DC /* Layout.c in Sources */,

ios/sdk/WeexSDK/Sources/Bridge/WXBridgeContext.m

@@ -39,6 +39,7 @@
 #import "WXModuleMethod.h"
 #import "WXCallJSMethod.h"
 #import "WXSDKInstance_private.h"
+#import "WXPrerenderManager.h"
 
 #define SuppressPerformSelectorLeakWarning(Stuff) \
 do { \
@@ -140,6 +141,10 @@ - (void)registerGlobalFunctions
         }
 
         WXModuleMethod *method = [[WXModuleMethod alloc] initWithModuleName:moduleName methodName:methodName arguments:arguments instance:instance];
+        if(![moduleName isEqualToString:@"dom"] && instance.needPrerender){
+            [WXPrerenderManager storePrerenderModuleTasks:method forUrl:instance.scriptURL.absoluteString];
+            return nil;
+        }
         return [method invoke];
     }];
 

ios/sdk/WeexSDK/Sources/Controller/WXBaseViewController.m

@@ -24,6 +24,8 @@
 #import "WXSDKEngine.h"
 #import "WXSDKManager.h"
 #import "WXUtility.h"
+#import "WXPrerenderManager.h"
+#import "WXMonitor.h"
 
 @interface WXBaseViewController ()
 
@@ -122,8 +124,12 @@ - (void)_renderWithURL:(NSURL *)sourceURL
     if (!sourceURL) {
         return;
     }
-
+    
     [_instance destroyInstance];
+    if([WXPrerenderManager isTaskExist:[self.sourceURL absoluteString]]){
+        _instance = [WXPrerenderManager instanceFromUrl:self.sourceURL.absoluteString];
+    }
+
     _instance = [[WXSDKInstance alloc] init];
     _instance.frame = CGRectMake(0.0f, 0.0f, self.view.bounds.size.width, self.view.bounds.size.height);
     _instance.pageObject = self;
@@ -153,6 +159,21 @@ - (void)_renderWithURL:(NSURL *)sourceURL
     _instance.renderFinish = ^(UIView *view) {
         [weakSelf _updateInstanceState:WeexInstanceAppear];
     };
+
+    if([WXPrerenderManager isTaskExist:[self.sourceURL absoluteString]]){
+        WX_MONITOR_INSTANCE_PERF_START(WXPTJSDownload, _instance);
+        WX_MONITOR_INSTANCE_PERF_END(WXPTJSDownload, _instance);
+        WX_MONITOR_INSTANCE_PERF_START(WXPTFirstScreenRender, _instance);
+        WX_MONITOR_INSTANCE_PERF_START(WXPTAllRender, _instance);
+        UIView *view = [WXPrerenderManager viewFromUrl:self.sourceURL.absoluteString];
+        _instance.onCreate(view);
+        NSError *error = [WXPrerenderManager errorFromUrl:self.sourceURL.absoluteString];
+        if(error){
+            _instance.onFailed(error);
+        }
+        [WXPrerenderManager renderFromCache:[self.sourceURL absoluteString]];
+        return;
+    }
 }
 
 - (void)_updateInstanceState:(WXState)state

ios/sdk/WeexSDK/Sources/Manager/WXBridgeManager.h

@@ -22,6 +22,8 @@
 @class WXBridgeMethod;
 @class WXSDKInstance;
 
+extern void WXPerformBlockOnBridgeThread(void (^block)());
+
 @interface WXBridgeManager : NSObject
 
 /**

ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.h

@@ -177,5 +177,5 @@ extern void WXPerformBlockOnComponentThread(void (^block)());
 
 - (void)_addUITask:(void (^)())block;
 
-
+- (void)excutePrerenderUITask:(NSString *)url;
 @end

ios/sdk/WeexSDK/Sources/Manager/WXComponentManager.m

@@ -33,6 +33,7 @@
 #import "WXInvocationConfig.h"
 #import "WXHandlerFactory.h"
 #import "WXValidateProtocol.h"
+#import "WXPrerenderManager.h"
 
 static NSThread *WXComponentThread;
 
@@ -49,7 +50,8 @@ @implementation WXComponentManager
     // access only on component thread
     NSMapTable<NSString *, WXComponent *> *_indexDict;
     NSMutableArray<dispatch_block_t> *_uiTaskQueue;
-
+    NSMutableDictionary *_uiPrerenderTaskQueue;
+
     WXComponent *_rootComponent;
     NSMutableArray *_fixedComponents;
 
@@ -165,7 +167,29 @@ - (void)_applyRootFrame:(CGRect)rootFrame toRootCSSNode:(css_node_t *)rootCSSNod
 
 - (void)_addUITask:(void (^)())block
 {
-    [_uiTaskQueue addObject:block];
+    if(!_uiPrerenderTaskQueue){
+        _uiPrerenderTaskQueue = [NSMutableDictionary new];
+    }
+    if(self.weexInstance.needPrerender){
+        NSMutableArray<dispatch_block_t> *tasks  = [_uiPrerenderTaskQueue objectForKey:self.weexInstance.scriptURL.absoluteString];
+        if(!tasks){
+            tasks = [NSMutableArray new];
+        }
+        [tasks addObject:block];
+        [_uiPrerenderTaskQueue setObject:tasks forKey:self.weexInstance.scriptURL.absoluteString];
+    }else{
+        [_uiTaskQueue addObject:block];
+    }
+}
+
+- (void)excutePrerenderUITask:(NSString *)url
+{
+    NSMutableArray *tasks  = [_uiPrerenderTaskQueue objectForKey:self.weexInstance.scriptURL.absoluteString];
+    for (id block in tasks) {
+        [_uiTaskQueue addObject:block];
+    }
+    tasks = [NSMutableArray new];
+    [_uiPrerenderTaskQueue setObject:tasks forKey:self.weexInstance.scriptURL.absoluteString];
 }
 
 #pragma mark Component Tree Building

ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.h

@@ -68,6 +68,11 @@ extern NSString *const bundleUrlOptionKey;
  **/
 @property (nonatomic, strong) NSString *instanceId;
 
+/**
+ * Which indicates current instance needs to be prerender or not,default value is false.
+ **/
+@property (nonatomic, assign) BOOL needPrerender;
+
 /**
  * The state of current instance.
  **/

ios/sdk/WeexSDK/Sources/Model/WXSDKInstance.m

@@ -41,6 +41,7 @@
 #import "WXConfigCenterProtocol.h"
 #import "WXTextComponent.h"
 #import "WXConvert.h"
+#import "WXPrerenderManager.h"
 
 NSString *const bundleUrlOptionKey = @"bundleUrl";
 
@@ -317,11 +318,16 @@ - (void)refreshInstance:(id)data
 
 - (void)destroyInstance
 {
+    if([WXPrerenderManager isTaskExist:[self.scriptURL absoluteString]]) {
+        return;
+    }
     if (!self.instanceId) {
         WXLogError(@"Fail to find instance！");
         return;
     }
 
+    [WXPrerenderManager destroyTask:self.instanceId];
+
     [[WXSDKManager bridgeMgr] destroyInstance:self.instanceId];
 
     if (_componentManager) {