Updated on 2026-08-14

2018-06-27 23:04:50 +03:00 · 2018-06-27 23:04:50 +03:00 · 0fab3ec90e
commit 0fab3ec90e
parent a952d32b15
13 changed files with 777 additions and 351 deletions
--- a/app/src/main/java/com/tangem/data/nfc/PurgeTask.java
+++ b/app/src/main/java/com/tangem/data/nfc/PurgeTask.java
@ -0,0 +1,101 @@
+package com.tangem.data.nfc;
+
+import android.content.Context;
+import android.nfc.tech.IsoDep;
+import android.util.Log;
+
+import com.tangem.domain.cardReader.CardProtocol;
+import com.tangem.domain.cardReader.NfcManager;
+import com.tangem.domain.wallet.PINStorage;
+import com.tangem.domain.wallet.TangemCard;
+
+public class PurgeTask extends Thread {
+    public static final String TAG = PurgeTask.class.getSimpleName();
+
+    private String txOutAddress;
+    private Context mContext;
+    private TangemCard mCard;
+    private NfcManager mNfcManager;
+    private IsoDep mIsoDep;
+    private CardProtocol.Notifications mNotifications;
+    private boolean isCancelled = false;
+
+    public PurgeTask(Context context, TangemCard card, NfcManager nfcManager, IsoDep isoDep, CardProtocol.Notifications notifications) {
+        mCard = card;
+        mContext = context;
+        mNfcManager = nfcManager;
+        mIsoDep = isoDep;
+        mNotifications = notifications;
+    }
+
+    @Override
+    public void run() {
+        if (mIsoDep == null) {
+            return;
+        }
+        CardProtocol protocol = new CardProtocol(mContext, mIsoDep, mCard, mNotifications);
+
+        mNotifications.OnReadStart(protocol);
+        try {
+
+            // for Samsung's bugs - Workaround for the Samsung Galaxy S5 (since the first connection always hangs on transceive).
+            int timeout = mIsoDep.getTimeout();
+            mIsoDep.connect();
+            mIsoDep.close();
+            mIsoDep.connect();
+            mIsoDep.setTimeout(timeout);
+            try {
+                mNotifications.OnReadProgress(protocol, 5);
+
+                Log.i(TAG, "[-- Start purge --]");
+
+                if (isCancelled) return;
+
+                if (mCard.getPauseBeforePIN2() > 0) {
+                    mNotifications.OnReadWait(mCard.getPauseBeforePIN2());
+                }
+
+//                    try {
+                protocol.run_PurgeWallet(PINStorage.getPIN2());
+//                    } finally {
+//                        mNotifications.OnReadWait(0);
+//                    }
+
+                mNotifications.OnReadProgress(protocol, 50);
+
+                protocol.run_Read();
+
+                mNotifications.OnReadProgress(protocol, 100);
+
+                if (isCancelled)
+                    return;
+
+            } finally {
+                mNfcManager.ignoreTag(mIsoDep.getTag());
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            protocol.setError(e);
+
+        } finally {
+            Log.i(TAG, "[-- Finish purge --]");
+            mNotifications.OnReadFinish(protocol);
+        }
+    }
+
+    public void cancel(Boolean AllowInterrupt) {
+        try {
+            if (isAlive()) {
+                isCancelled = true;
+                join(500);
+            }
+            if (isAlive() && AllowInterrupt) {
+                interrupt();
+                mNotifications.OnReadCancel();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+}