weibo_kit/ios/Classes/WeiboKitPlugin.m

#import "WeiboKitPlugin.h"
#import <Weibo_SDK/WeiboSDK.h>

@interface WeiboKitPlugin () <WeiboSDKDelegate>

@end

@implementation WeiboKitPlugin {
    FlutterMethodChannel *_channel;
}

+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
    FlutterMethodChannel *channel =
        [FlutterMethodChannel methodChannelWithName:@"v7lin.github.io/weibo_kit"
                                    binaryMessenger:[registrar messenger]];
    WeiboKitPlugin *instance = [[WeiboKitPlugin alloc] initWithChannel:channel];
    [registrar addApplicationDelegate:instance];
    [registrar addMethodCallDelegate:instance channel:channel];
}

static NSString *const METHOD_REGISTERAPP = @"registerApp";
static NSString *const METHOD_ISINSTALLED = @"isInstalled";
static NSString *const METHOD_AUTH = @"auth";
static NSString *const METHOD_SHARETEXT = @"shareText";
static NSString *const METHOD_SHAREIMAGE = @"shareImage";
static NSString *const METHOD_SHAREWEBPAGE = @"shareWebpage";

static NSString *const METHOD_ONAUTHRESP = @"onAuthResp";
static NSString *const METHOD_ONSHAREMSGRESP = @"onShareMsgResp";

static NSString *const ARGUMENT_KEY_APPKEY = @"appKey";
static NSString *const ARGUMENT_KEY_UNIVERSALLINK = @"universalLink";
static NSString *const ARGUMENT_KEY_SCOPE = @"scope";
static NSString *const ARGUMENT_KEY_REDIRECTURL = @"redirectUrl";
static NSString *const ARGUMENT_KEY_TEXT = @"text";
static NSString *const ARGUMENT_KEY_TITLE = @"title";
static NSString *const ARGUMENT_KEY_DESCRIPTION = @"description";
static NSString *const ARGUMENT_KEY_THUMBDATA = @"thumbData";
static NSString *const ARGUMENT_KEY_IMAGEDATA = @"imageData";
static NSString *const ARGUMENT_KEY_IMAGEURI = @"imageUri";
static NSString *const ARGUMENT_KEY_WEBPAGEURL = @"webpageUrl";

static NSString *const ARGUMENT_KEY_RESULT_ERRORCODE = @"errorCode";
static NSString *const ARGUMENT_KEY_RESULT_ERRORMESSAGE = @"errorMessage";
static NSString *const ARGUMENT_KEY_RESULT_USERID = @"userId";
static NSString *const ARGUMENT_KEY_RESULT_ACCESSTOKEN = @"accessToken";
static NSString *const ARGUMENT_KEY_RESULT_REFRESHTOKEN = @"refreshToken";
static NSString *const ARGUMENT_KEY_RESULT_EXPIRESIN = @"expiresIn";

- (instancetype)initWithChannel:(FlutterMethodChannel *)channel {
    self = [super init];
    if (self) {
        _channel = channel;
    }
    return self;
}

- (void)handleMethodCall:(FlutterMethodCall *)call
                  result:(FlutterResult)result {
    if ([METHOD_REGISTERAPP isEqualToString:call.method]) {
        NSString *appKey = call.arguments[ARGUMENT_KEY_APPKEY];
        NSString *universalLink = call.arguments[ARGUMENT_KEY_UNIVERSALLINK];
        [WeiboSDK registerApp:appKey universalLink:universalLink];
        result(nil);
    } else if ([METHOD_ISINSTALLED isEqualToString:call.method]) {
        result([NSNumber numberWithBool:[WeiboSDK isWeiboAppInstalled]]);
    } else if ([METHOD_AUTH isEqualToString:call.method]) {
        [self handleAuthCall:call result:result];
    } else if ([METHOD_SHARETEXT isEqualToString:call.method]) {
        [self handleShareTextCall:call result:result];
    } else if ([METHOD_SHAREIMAGE isEqualToString:call.method] ||
               [METHOD_SHAREWEBPAGE isEqualToString:call.method]) {
        [self handleShareMediaCall:call result:result];
    } else {
        result(FlutterMethodNotImplemented);
    }
}

- (void)handleAuthCall:(FlutterMethodCall *)call result:(FlutterResult)result {
    WBAuthorizeRequest *request = [WBAuthorizeRequest request];
    request.scope = call.arguments[ARGUMENT_KEY_SCOPE];
    request.redirectURI = call.arguments[ARGUMENT_KEY_REDIRECTURL];
    request.shouldShowWebViewForAuthIfCannotSSO = YES;
    request.shouldOpenWeiboAppInstallPageIfNotInstalled = NO;
    [WeiboSDK sendRequest:request completion:^(BOOL success) {
        // do nothing
    }];
    result(nil);
}

- (void)handleShareTextCall:(FlutterMethodCall *)call result:(FlutterResult)result {
    WBSendMessageToWeiboRequest *request = [WBSendMessageToWeiboRequest request];
    WBMessageObject *message = [WBMessageObject message];
    message.text = call.arguments[ARGUMENT_KEY_TEXT];
    request.message = message;
    [WeiboSDK sendRequest:request completion:^(BOOL success) {
        // do nothing
    }];
    result(nil);
}

- (void)handleShareMediaCall:(FlutterMethodCall *)call result:(FlutterResult)result {
    WBSendMessageToWeiboRequest *request = [WBSendMessageToWeiboRequest request];
    WBMessageObject *message = [WBMessageObject message];
    if ([METHOD_SHAREIMAGE isEqualToString:call.method]) {
        message.text = call.arguments[ARGUMENT_KEY_TEXT];
        WBImageObject *object = [WBImageObject object];
        FlutterStandardTypedData *imageData = call.arguments[ARGUMENT_KEY_IMAGEDATA];
        if (imageData != nil) {
            object.imageData = imageData.data;
        } else {
            NSString *imageUri = call.arguments[ARGUMENT_KEY_IMAGEURI];
            NSURL *imageUrl = [NSURL URLWithString:imageUri];
            object.imageData = [NSData dataWithContentsOfFile:imageUrl.path];
        }
        message.imageObject = object;
    } else if ([METHOD_SHAREWEBPAGE isEqualToString:call.method]) {
        WBWebpageObject *object = [WBWebpageObject object];
        object.objectID = [[NSUUID UUID].UUIDString stringByReplacingOccurrencesOfString:@"-" withString:@""];
        object.title = call.arguments[ARGUMENT_KEY_TITLE];
        object.description = call.arguments[ARGUMENT_KEY_DESCRIPTION];
        FlutterStandardTypedData *thumbData = call.arguments[ARGUMENT_KEY_THUMBDATA];
        if (thumbData != nil) {
            object.thumbnailData = thumbData.data;
        }
        object.webpageUrl = call.arguments[ARGUMENT_KEY_WEBPAGEURL];
        message.mediaObject = object;
    }
    request.message = message;
    [WeiboSDK sendRequest:request completion:^(BOOL success) {
        // do nothing
    }];
    result(nil);
}

#pragma mark - AppDelegate

- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url {
    return [WeiboSDK handleOpenURL:url delegate:self];
}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
    return [WeiboSDK handleOpenURL:url delegate:self];
}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey, id> *)options {
    return [WeiboSDK handleOpenURL:url delegate:self];
}

#pragma mark - WeiboSDKDelegate

- (void)didReceiveWeiboRequest:(WBBaseRequest *)request {
}

- (void)didReceiveWeiboResponse:(WBBaseResponse *)response {
    NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
    [dictionary setValue:[NSNumber numberWithInteger:response.statusCode] forKey:ARGUMENT_KEY_RESULT_ERRORCODE];
    if ([response isKindOfClass:[WBAuthorizeResponse class]]) {
        if (response.statusCode == WeiboSDKResponseStatusCodeSuccess) {
            WBAuthorizeResponse *authorizeResponse = (WBAuthorizeResponse *)response;
            NSString *userId = authorizeResponse.userID;
            NSString *accessToken = authorizeResponse.accessToken;
            NSString *refreshToken = authorizeResponse.refreshToken;
            long long expiresIn = ceil(authorizeResponse.expirationDate.timeIntervalSinceNow); // 向上取整
            [dictionary setValue:userId forKey:ARGUMENT_KEY_RESULT_USERID];
            [dictionary setValue:accessToken forKey:ARGUMENT_KEY_RESULT_ACCESSTOKEN];
            [dictionary setValue:refreshToken forKey:ARGUMENT_KEY_RESULT_REFRESHTOKEN];
            [dictionary setValue:[NSNumber numberWithLongLong:expiresIn] forKey:ARGUMENT_KEY_RESULT_EXPIRESIN];
        }
        [_channel invokeMethod:METHOD_ONAUTHRESP arguments:dictionary];
    } else if ([response isKindOfClass:[WBSendMessageToWeiboResponse class]]) {
        if (response.statusCode == WeiboSDKResponseStatusCodeSuccess) {
            WBSendMessageToWeiboResponse *sendMessageToWeiboResponse = (WBSendMessageToWeiboResponse *)response;
        }
        [_channel invokeMethod:METHOD_ONSHAREMSGRESP arguments:dictionary];
    }
}

@end