文件整理、修改

app/src/main/java/com/gh/download/DownloadManager.java

@@ -14,6 +14,7 @@ import com.gh.common.util.Utils;
 import java.io.File;
 import java.util.List;
 import java.util.Map.Entry;
+import java.util.concurrent.LinkedBlockingQueue;
 
 public class DownloadManager {
 
@@ -23,11 +24,13 @@ public class DownloadManager {
 	private Handler handler;
 
 	private ArrayMap<String, Long> lastTimeMap;
+	private ArrayMap<String, LinkedBlockingQueue<String>> platformMap;
 
 	private DownloadManager(Context context) {
 		this.context = context;
 
-		lastTimeMap = new ArrayMap<String, Long>();
+		lastTimeMap = new ArrayMap<>();
+		platformMap = new ArrayMap<>();
 
 		handler = new Handler(context.getMainLooper()){
 			@Override
@@ -42,6 +45,16 @@ public class DownloadManager {
 					if (System.currentTimeMillis() - lastTimeMap.get(url) >= 1000) {
 						pause(url);
 					}
+				} else if (msg.what == Constants.DOWNLOAD_ROLL) {
+					String name = (String) msg.obj;
+					LinkedBlockingQueue<String> queue = platformMap.get(name);
+					if (queue.size() > 1) {
+						queue.offer(queue.poll());
+						Message message = Message.obtain();
+						message.obj = name;
+						message.what = Constants.DOWNLOAD_ROLL;
+						sendMessageDelayed(message, 3000);
+					}
 				}
 			}
 		};
@@ -52,6 +65,22 @@ public class DownloadManager {
 		lastTimeMap.put(url, time);
 	}
 
+	public void putQueue(String name, LinkedBlockingQueue<String> queue) {
+		platformMap.put(name, queue);
+	}
+
+	public LinkedBlockingQueue<String> getQueue(String name) {
+		return platformMap.get(name);
+	}
+
+	public void removePlatform(String name, String platform) {
+		LinkedBlockingQueue<String> queue = platformMap.get(name);
+		if (queue != null) {
+			queue.remove(platform);
+			platformMap.put(name, queue);
+		}
+	}
+
 	public void sendMessageDelayed(Message msg, long delayMillis) {
 		handler.sendMessageDelayed(msg, delayMillis);
 	}