feat(iOS): Complete websocket client. (didi#1022)

* feat(iOS): Complete QR code recognization logic

* chore(iOS): Add directory structure.

1. Add DTO model.

* feat(iOS): Complete websocket client.

Author: ChasonTang

DoraemonKit.podspec

@@ -20,9 +20,9 @@ Pod::Spec.new do |s|
 iOS各式各样的工具集合
                        DESC
 
-  s.homepage         = 'https://github.com/${USER_NAME}/${POD_NAME}'
+  s.homepage         = 'https://www.dokit.cn'
   # s.screenshots     = 'www.example.com/screenshots_1', 'www.example.com/screenshots_2'
-  s.license          = { :type => 'Apache License, Version 2.0', :file => 'LICENSE' }
+  s.license          = { :type => 'Apache-2.0', :file => 'LICENSE' }
   s.author           = { 'OrangeLab' => '[email protected]' }
   s.source           = { :git => 'https://github.com/didi/DoraemonKit.git', :tag => s.version.to_s }
   # s.social_media_url = 'https://twitter.com/<TWITTER_USERNAME>'
@@ -34,21 +34,32 @@ iOS各式各样的工具集合
     'DEFINES_MODULE' => 'YES'
   }
 
-  s.subspec 'Common' do |ss|
-    ss.source_files = 'iOS/DoKit/Classes/Common/*.h'
+  s.subspec 'Foundation' do |ss|
+    ss.source_files = 'iOS/DoKit/Classes/Foundation/*.{h,c}'
+    ss.compiler_flags = '-Wall', '-Wextra', '-Wpedantic', '-Werror', '-fvisibility=hidden'
   end
-
-  s.subspec 'Hook' do |ss|
-    ss.dependency 'DoraemonKit/Common'
-    ss.source_files = 'iOS/DoKit/Classes/Hook/*.{h,c}'
-    ss.compiler_flags = '-Wall', '-Wextra', '-Wpedantic', '-Werror', '-Wno-zero-length-array', '-fvisibility=hidden'
+  
+  s.subspec 'CoreNG' do |ss|
+    ss.dependency 'DoraemonKit/Foundation'
+    ss.source_files = 'iOS/DoKit/Classes/Core/**/*.{h,m}'
+    # language-extension-token warning be used to implement Objective-C typeof().
+    # ?: grammar
+    ss.compiler_flags = '-Wall', '-Wextra', '-Wpedantic', '-Werror', '-Wno-language-extension-token', '-Wno-gnu-conditional-omitted-operand'
+    ss.resource_bundle = {
+      'DoKitResource' => [
+        'iOS/DoKit/Assets/Assets.xcassets',
+        'iOS/DoKit/Assets/*.xib'
+      ]
+    }
+    ss.dependency 'SocketRocket', '~> 0.6'
+    ss.dependency 'Mantle', '~> 2.2'
   end
 
   s.subspec 'EventSynthesize' do |ss|
     ss.source_files = 'iOS/DoKit/Classes/EventSynthesize/*.{h,m}'
     ss.compiler_flags = '-Wall', '-Wextra', '-Wpedantic', '-Werror', '-fvisibility=hidden', '-Wno-gnu-conditional-omitted-operand', '-Wno-pointer-arith'
     ss.framework = 'IOKit'
-    ss.dependency 'DoraemonKit/Common'
+    ss.dependency 'DoraemonKit/Foundation'
   end
 
   s.subspec 'Core' do |ss| 

iOS/Demo.xcodeproj/project.pbxproj

@@ -356,6 +356,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = Demo/Info.plist;
+				INFOPLIST_KEY_NSCameraUsageDescription = "扫码需要开启您的摄像头权限，用于识别";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
 				INFOPLIST_KEY_UIMainStoryboardFile = Main;
@@ -385,6 +386,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = Demo/Info.plist;
+				INFOPLIST_KEY_NSCameraUsageDescription = "扫码需要开启您的摄像头权限，用于识别";
 				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
 				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
 				INFOPLIST_KEY_UIMainStoryboardFile = Main;

iOS/Demo/AppDelegate.swift

@@ -15,6 +15,7 @@
  */
 
 import UIKit
+import DoraemonKit
 
 @main
 private class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -23,6 +24,8 @@ private class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
+        DoKit.install(withProductId: nil)
+        
         return true
     }
 

iOS/Demo/Base.lproj/Main.storyboard

@@ -22,7 +22,7 @@
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
             </objects>
-            <point key="canvasLocation" x="139" y="80"/>
+            <point key="canvasLocation" x="137.68115942028987" y="79.6875"/>
         </scene>
     </scenes>
     <resources>

iOS/Demo/ViewController.swift

@@ -22,6 +22,7 @@ class ViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         // Do any additional setup after loading the view.
+        DoKit.install(withProductId: nil)
     }
 
 }

iOS/DoKit/Assets/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

iOS/DoKit/Assets/Assets.xcassets/dokit_logo.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "[email protected]",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

iOS/DoKit/Assets/Assets.xcassets/dokit_logo.imageset/[email protected]

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_1" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="DKTrayViewController">
+            <connections>
+                <outlet property="view" destination="iN0-l3-epB" id="V21-eE-Ekr"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="iN0-l3-epB">
+            <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
+            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+            <subviews>
+                <button opaque="NO" contentMode="scaleToFill" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="EDq-pO-2FR">
+                    <rect key="frame" x="0.0" y="0.0" width="58" height="58"/>
+                    <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                    <state key="normal" title="Button"/>
+                    <buttonConfiguration key="configuration" style="plain" image="dokit_logo" title=""/>
+                    <connections>
+                        <action selector="buttonHandler" destination="-1" eventType="touchUpInside" id="cFG-UF-Q7R"/>
+                    </connections>
+                </button>
+            </subviews>
+            <viewLayoutGuide key="safeArea" id="vUN-kp-3ea"/>
+            <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+            <point key="canvasLocation" x="139" y="63"/>
+        </view>
+    </objects>
+    <resources>
+        <image name="dokit_logo" width="58" height="58"/>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

iOS/DoKit/Assets/DKTrayViewController.xib

@@ -0,0 +1,31 @@
+/**
+ * Copyright 2017 Beijing DiDi Infinity Technology and Development Co., Ltd.
+ *
+ * Licensed 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>
+
+@class AVCaptureVideoPreviewLayer;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface DKQRCodeScanLogic : NSObject
+
+@property(nonatomic, nullable, copy) void (^completionBlock)(NSString *_Nullable decodedString);
+
+- (void)startScanQRCodeWithCompletionBlock:(void (^)(AVCaptureVideoPreviewLayer *_Nullable captureVideoPreviewLayer))completionBlock;
+
+@end
+
+NS_ASSUME_NONNULL_END

iOS/DoKit/Classes/Core/DKQRCodeScanLogic.h

@@ -0,0 +1,127 @@
+/**
+ * Copyright 2017 Beijing DiDi Infinity Technology and Development Co., Ltd.
+ *
+ * Licensed 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 <AVFoundation/AVFoundation.h>
+#import "DKQRCodeScanLogic.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+static void requestVideoGrant(void (^completionBlock)(BOOL isGranted));
+
+static inline void safeMainThread(dispatch_block_t block);
+
+@interface DKQRCodeScanLogic () <AVCaptureMetadataOutputObjectsDelegate>
+
+@property(nonatomic, nullable, strong) AVCaptureSession *captureSession;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+void requestVideoGrant(void (^completionBlock)(BOOL isGranted)) {
+    AVAuthorizationStatus authorizationStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
+    if (authorizationStatus == AVAuthorizationStatusNotDetermined) {
+        // Request system authority.
+        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
+            safeMainThread(^{
+                completionBlock(granted);
+            });
+        }];
+    } else {
+        completionBlock(authorizationStatus == AVAuthorizationStatusAuthorized);
+    }
+}
+
+void safeMainThread(dispatch_block_t block) {
+    if (!NSThread.isMainThread) {
+        dispatch_async(dispatch_get_main_queue(), block);
+    } else {
+        block();
+    }
+}
+
+@implementation DKQRCodeScanLogic
+
+- (void)startScanQRCodeWithCompletionBlock:(void (^)(AVCaptureVideoPreviewLayer *_Nullable captureVideoPreviewLayer))completionBlock {
+    __weak typeof(self) weakSelf = self;
+    requestVideoGrant(^(BOOL isGranted) {
+        if (!weakSelf) {
+            completionBlock(nil);
+
+            return;
+        }
+        typeof(weakSelf) self = weakSelf;
+        if (!isGranted) {
+            completionBlock(nil);
+        } else {
+            AVCaptureDevice *captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
+#ifndef NS_BLOCK_ASSERTIONS
+            NSCAssert(captureDevice, @"+[AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo] return nil.");
+#endif
+
+            NSError *error = nil;
+            AVCaptureDeviceInput *captureDeviceInput = [[AVCaptureDeviceInput alloc] initWithDevice:captureDevice error:&error];
+#ifndef NS_BLOCK_ASSERTIONS
+            NSCAssert(!error && captureDeviceInput, @"AVCaptureDeviceInput creation is failed.");
+#endif
+
+            AVCaptureMetadataOutput *captureMetadataOutput = [[AVCaptureMetadataOutput alloc] init];
+            [captureMetadataOutput setMetadataObjectsDelegate:self queue:dispatch_get_main_queue()];
+
+            self.captureSession = [[AVCaptureSession alloc] init];
+            [self.captureSession beginConfiguration];
+#ifndef NS_BLOCK_ASSERTIONS
+            NSCAssert([self.captureSession canAddInput:captureDeviceInput], @"-[captureSession canAddInput:captureDeviceInput] is failed.");
+#endif
+            [self.captureSession addInput:captureDeviceInput];
+#ifndef NS_BLOCK_ASSERTIONS
+            NSCAssert([self.captureSession canAddOutput:captureMetadataOutput], @"-[AVCaptureSession canAddOutput:captureMetadataOutput] return NO.");
+#endif
+            [self.captureSession addOutput:captureMetadataOutput];
+            if ([captureMetadataOutput.availableMetadataObjectTypes containsObject:AVMetadataObjectTypeQRCode]) {
+                captureMetadataOutput.metadataObjectTypes = @[AVMetadataObjectTypeQRCode];
+            }
+            [self.captureSession commitConfiguration];
+
+            AVCaptureVideoPreviewLayer *captureVideoPreviewLayer = [AVCaptureVideoPreviewLayer layerWithSession:self.captureSession];
+            completionBlock(captureVideoPreviewLayer);
+
+            [self.captureSession startRunning];
+        }
+    });
+}
+
+- (void)captureOutput:(AVCaptureOutput *)output didOutputMetadataObjects:(NSArray<__kindof AVMetadataObject *> *)metadataObjects fromConnection:(AVCaptureConnection *)connection {
+    if (metadataObjects.count > 0) {
+        AVMetadataObject *metadataObject = metadataObjects.firstObject;
+        if ([metadataObject.type isEqualToString:AVMetadataObjectTypeQRCode] && [metadataObject isKindOfClass:AVMetadataMachineReadableCodeObject.class]) {
+            [self.captureSession stopRunning];
+            AVMetadataMachineReadableCodeObject *metadataMachineReadableCodeObject = (AVMetadataMachineReadableCodeObject *) metadataObject;
+            self.completionBlock ? self.completionBlock(metadataMachineReadableCodeObject.stringValue) : (void) nil;
+        } else {
+            goto exit;
+        }
+    } else {
+        goto exit;
+    }
+
+    return;
+
+    exit:
+    self.completionBlock ? self.completionBlock(nil) : (void) nil;
+}
+
+@end

iOS/DoKit/Classes/Core/DKQRCodeScanLogic.m

@@ -0,0 +1,32 @@
+/**
+ * Copyright 2017 Beijing DiDi Infinity Technology and Development Co., Ltd.
+ *
+ * Licensed 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 <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef NS_ENUM(NSUInteger, DKQRCodeScanResult) {
+    DKQRCodeScanResultSuccess = 0,
+    DKQRCodeScanResultAuthorityError
+};
+
+@interface DKQRCodeScanView : UIView
+
+- (void)startScanQRCodeWithCompletionBlock:(void (^)(DKQRCodeScanResult qrCodeScanResult, NSString *_Nullable decodedString))completionBlock;
+
+@end
+
+NS_ASSUME_NONNULL_END