add sync lock.

PonyCui · PonyCui · commit 9e7e1fc5cd43 · 2017-06-15T11:38:14.000+08:00
diff --git a/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt b/library/src/main/java/com/opensource/svgaplayer/SVGAParser.kt
@@ -30,6 +30,12 @@ class SVGAParser(val context: Context) {
 
     }
 
+    companion object {
+
+        private var sharedLock: Int = 0
+
+    }
+
     fun parse(assetsName: String): SVGAVideoEntity? {
         try {
             context.assets.open(assetsName)?.let {
@@ -104,6 +110,20 @@ class SVGAParser(val context: Context) {
         return null
     }
 
+    fun parse(inputStream: InputStream?, cacheKey: String, callback: ParseCompletion) {
+        synchronized(sharedLock, {
+            val videoItem = parse(inputStream, cacheKey)
+            Thread({
+                if (videoItem != null) {
+                    callback.onComplete(videoItem)
+                }
+                else {
+                    callback.onError()
+                }
+            }).start()
+        })
+    }
+
     private fun cacheKey(str: String): String {
         val messageDigest = MessageDigest.getInstance("MD5")
         messageDigest.update(str.toByteArray(charset("UTF-8")))
diff --git a/library/src/main/java/com/opensource/svgaplayer/SVGAVideoEntity.kt b/library/src/main/java/com/opensource/svgaplayer/SVGAVideoEntity.kt
@@ -53,13 +53,13 @@ class SVGAVideoEntity(obj: JSONObject, val cacheDir: File) {
             it.keys().forEach {
                 val imageKey = it
                 var filePath = cacheDir.absolutePath + "/" + imgObjects[imageKey]
-                var bitmap = BitmapFactory.decodeFile(filePath)
+                var bitmap = if (File(filePath).exists()) BitmapFactory.decodeFile(filePath) else null
                 if (bitmap != null) {
                     images.put(imageKey, bitmap)
                 }
                 else {
                     filePath = cacheDir.absolutePath + "/" + imageKey + ".png"
-                    bitmap = BitmapFactory.decodeFile(filePath)
+                    bitmap = if (File(filePath).exists()) BitmapFactory.decodeFile(filePath) else null
                     if (bitmap != null) {
                         images.put(imageKey, bitmap)
                     }
