iOS 和 Android 增加分享 gif 动图到聊天的封装 (#714)

双端测试通过

Co-authored-by: Yifei Xu <xuyifei19970304@sina.com>

Author: HMWDLG

android/src/main/kotlin/com/jarvan/fluwx/handlers/FluwxShareHandler.kt

@@ -16,6 +16,8 @@ import java.io.File
 import java.io.IOException
 import java.util.*
 import kotlin.coroutines.CoroutineContext
+import android.os.Build
+import io.flutter.plugin.common.MethodChannel.Result
 
 
 /***
@@ -65,6 +67,7 @@ internal interface FluwxShareHandler : CoroutineScope {
             "shareVideo" -> shareVideo(call, result)
             "shareWebPage" -> shareWebPage(call, result)
             "shareFile" -> shareFile(call, result)
+            "shareEmoji" -> shareEmoji(call, result)
             else -> {
                 result.notImplemented()
             }
@@ -266,6 +269,39 @@ internal interface FluwxShareHandler : CoroutineScope {
         }
     }
 
+    private fun shareEmoji(call: MethodCall, result: Result) {
+
+        val scene = call.argument<Int>("scene") ?: 0
+        val title = call.argument<String>("title")
+        val desc  = call.argument<String>("description")
+        val thumbData = call.argument<ByteArray>("thumbData")
+
+        val emojiMap = call.argument<Map<String, Any?>>("source")
+            ?: run { result.error("ARG", "emoji is null", null); return }
+
+        val emojiObj = WXEmojiObject().apply {
+            when {
+                emojiMap["uint8List"] != null -> emojiData = emojiMap["uint8List"] as ByteArray
+                emojiMap["path"]      != null -> emojiPath = ensurePublicPath(emojiMap["path"] as String)
+                else -> { result.error("ARG", "gif source missing", null); return }
+            }
+        }
+
+        val msg = WXMediaMessage(emojiObj).apply {
+            this.thumbData = thumbData
+            this.title = title
+            this.description = desc
+        }
+
+        val req = SendMessageToWX.Req().apply {
+            transaction = "emoji${System.currentTimeMillis()}"
+            message = msg
+            this.scene = scene
+        }
+
+        result.success(WXAPiHandler.wxApi?.sendReq(req))
+    }
+
     private suspend fun sendRequestInMain(result: MethodChannel.Result, request: BaseReq) =
         withContext(Dispatchers.Main) {
             result.success(WXAPiHandler.wxApi?.sendReq(request))
@@ -326,6 +362,17 @@ internal interface FluwxShareHandler : CoroutineScope {
 
     }
 
+    private fun loadBytesFromFlutterAsset(assetKey: String): ByteArray =
+        context.assets.open(assetKey.removePrefix("flutterassets/")).use { it.readBytes() }
+
+    private fun ensurePublicPath(original: String): String {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) return original
+        val src = File(original)
+        val dst = File(context.externalCacheDir, src.name)
+        if (!dst.exists()) src.copyTo(dst, overwrite = true)
+        return dst.path
+    }
+
     private val supportFileProvider: Boolean
         get() = (WXAPiHandler.wxApi?.wxAppSupportAPI ?: 0) >= 0x27000D00
     private val targetHigherThanN: Boolean get() = android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N

ios/Classes/FluwxPlugin.m

@@ -509,6 +509,8 @@ - (void)handleShare:(FlutterMethodCall *)call result:(FlutterResult)result {
         [self shareMiniProgram:call result:result];
     } else if ([@"shareFile" isEqualToString:call.method]) {
         [self shareFile:call result:result];
+    } else if ([@"shareEmoji" isEqualToString:call.method]) {
+        [self shareEmoji:call result:result];
     }
 }
 
@@ -739,6 +741,37 @@ - (void)shareMiniProgram:(FlutterMethodCall *)call result:(FlutterResult)result
     });
 }
 
+- (void)shareEmoji:(FlutterMethodCall *)call result:(FlutterResult)result {
+
+    NSNumber *sceneNum = call.arguments[fluwxKeyScene];
+    enum WXScene scene = [self intToWeChatScene:sceneNum];
+
+    NSDictionary *sourceEmoji = call.arguments[keySource];
+    FlutterStandardTypedData *flutterEmojiData = sourceEmoji[@"uint8List"];
+    NSData *emojiData = flutterEmojiData != nil ? flutterEmojiData.data : nil;
+
+    FlutterStandardTypedData *flutterThumbData = call.arguments[fluwxKeyThumbData];
+    NSData *thumbData = ![flutterThumbData isKindOfClass:[NSNull class]] ? flutterThumbData.data : nil;
+
+    NSString *msgSignature = call.arguments[fluwxKeyMsgSignature];
+    NSString *thumbHash    = call.arguments[fluwxKeyThumbDataHash];
+
+    dispatch_queue_t globalQueue = dispatch_get_global_queue(0, 0);
+    dispatch_async(globalQueue, ^{
+        dispatch_async(dispatch_get_main_queue(), ^{
+
+            [self sendEmotionData:emojiData
+                          InScene:scene
+                     MsgSignature:msgSignature
+                        ThumbData:thumbData
+                    ThumbDataHash:thumbHash
+                       completion:^(BOOL success) {
+                result(@(success));
+            }];
+        });
+    });
+}
+
 - (NSData *)getNsDataFromWeChatFile:(NSDictionary *)weChatFile {
     NSNumber *schema = weChatFile[@"schema"];
 

lib/src/foundation/share_models.dart

@@ -339,6 +339,32 @@ class WeChatShareFileModel extends WeChatShareModel {
       };
 }
 
+class WeChatShareEmojiModel extends WeChatShareModel {
+  final WeChatImageToShare emoji;
+  final WeChatScene scene;
+
+  WeChatShareEmojiModel(
+    this.emoji, {
+    this.scene = WeChatScene.session,
+    super.title,
+    super.description,
+    super.msgSignature,
+    super.thumbData,
+    super.thumbDataHash,
+  });
+
+  @override
+  Map<String, dynamic> get arguments => {
+        _scene: scene.index,
+        _source: emoji.arguments,
+        _title: title,
+        _description: description,
+        _msgSignature: msgSignature,
+        _thumbData: thumbData,
+        _thumbDataHash: thumbDataHash,
+      };
+}
+
 class WeChatImageToShare with _Argument {
   final Uint8List? uint8List;
   final String? localImagePath;

lib/src/method_channel/fluwx_method_channel.dart

@@ -45,6 +45,7 @@ class MethodChannelFluwx extends FluwxPlatform {
     WeChatShareWebPageModel: 'shareWebPage',
     WeChatShareMiniProgramModel: 'shareMiniProgram',
     WeChatShareFileModel: 'shareFile',
+    WeChatShareEmojiModel: 'shareEmoji',
   };
 
   final StreamController<WeChatResponse> _responseEventHandler =
@@ -100,9 +101,12 @@ class MethodChannelFluwx extends FluwxPlatform {
   Future<bool> open(OpenType target) async {
     switch (target) {
       case WeChatApp():
-        return await methodChannel.invokeMethod('openWXApp', target.arguments) ?? false;
+        return await methodChannel.invokeMethod(
+                'openWXApp', target.arguments) ??
+            false;
       case Browser():
-        return await methodChannel.invokeMethod('openUrl', target.arguments) ?? false;
+        return await methodChannel.invokeMethod('openUrl', target.arguments) ??
+            false;
       case RankList():
         return await methodChannel.invokeMethod("openRankList") ?? false;
       case BusinessView():