From ea88026fcb7aa405ebde0d38447d716b38b66971 Mon Sep 17 00:00:00 2001
From: Vitaly Kramskikh <vkramskikh@gmail.com>
Date: Fri, 2 Mar 2012 15:31:16 +0400
Subject: policy: do not count invalid fingerprint swipes as bad tries

Change-Id: I8179aadaf78a3d492524c9aeadce09b32ae992b6
---
 .../internal/policy/impl/FingerUnlockScreen.java   | 50 ++++++++--------------
 1 file changed, 17 insertions(+), 33 deletions(-)

diff --git a/policy/src/com/android/internal/policy/impl/FingerUnlockScreen.java b/policy/src/com/android/internal/policy/impl/FingerUnlockScreen.java
index d658280..43ec578 100644
--- a/policy/src/com/android/internal/policy/impl/FingerUnlockScreen.java
+++ b/policy/src/com/android/internal/policy/impl/FingerUnlockScreen.java
@@ -167,7 +167,7 @@ class FingerUnlockScreen extends LinearLayoutWithDefaultTouchRecepient
 
     static Thread mExecutionThread = null;
     private Thread mUiThread;
-    private boolean mbFeedbackDelivered = false;
+    private boolean mbInvalidSwipe = false;
     private VerifyRunner mVerifyRunner = new VerifyRunner();
     private Context m_Context;
 
@@ -1117,11 +1117,11 @@ class FingerUnlockScreen extends LinearLayoutWithDefaultTouchRecepient
         /* we've already displayed the feedback, so we don't want to worry */
         /* about an additional message.                                    */
         if (target.equals("swipe_bad")) {
-            // Update the total failed attempts.
-            mTotalFailedPatternAttempts++;
-            mFailedPatternAttemptsSinceLastTimeout++;
+            if (!mbInvalidSwipe) {
+                // Update the total failed attempts.
+                mTotalFailedPatternAttempts++;
+                mFailedPatternAttemptsSinceLastTimeout++;
 
-            if (!mbFeedbackDelivered) {
                 runOnUiThread(new Runnable() {
                     public void run() {
                         toast(getContext().getString(R.string.keyguard_finger_not_match));
@@ -1135,71 +1135,55 @@ class FingerUnlockScreen extends LinearLayoutWithDefaultTouchRecepient
                     }
                 });
             } else {
-                runOnUiThread(new Runnable() {
-                    public void run() {
-                        mCallback.reportFailedUnlockAttempt();
-                        if (mFailedPatternAttemptsSinceLastTimeout >=
-                                LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT) {
-                            pokeWakelock(1000);
-                            long deadline = mLockPatternUtils.setLockoutAttemptDeadline();
-                            handleAttemptLockout(deadline);
-                        }
-                    }
-                });
+                mbInvalidSwipe = false;
             }
 
-            mbFeedbackDelivered = false;
             return;
         }
 
         /* if the target is any of our feedback messages, provide a toast... */
         if (target.equals("swipe_too_fast")) {
-            mbFeedbackDelivered = true;
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_fast));
                 }
             });
             return;
-        }
-        if (target.equals("swipe_too_slow")) {
-            mbFeedbackDelivered = true;
+        } else if (target.equals("swipe_too_slow")) {
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_slow));
                 }
             });
             return;
-        }
-        if (target.equals("swipe_too_short")) {
-            mbFeedbackDelivered = true;
+        } else if (target.equals("swipe_too_short")) {
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_short));
                 }
             });
             return;
-        }
-        if (target.equals("swipe_too_skewed")) {
-            mbFeedbackDelivered = true;
+        } else if (target.equals("swipe_too_skewed")) {
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_skewed));
                 }
             });
             return;
-        }
-        if (target.equals("swipe_too_far_left")) {
-            mbFeedbackDelivered = true;
+        } else if (target.equals("swipe_too_far_left")) {
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_far_left));
                 }
             });
             return;
-        }
-        if (target.equals("swipe_too_far_right")) {
-            mbFeedbackDelivered = true;
+        } else if (target.equals("swipe_too_far_right")) {
+            mbInvalidSwipe = true;
             runOnUiThread(new Runnable() {
                 public void run() {
                     toast(getContext().getString(R.string.keyguard_finger_swipe_too_far_right));
-- 
cgit v1.1