From 5a70f05e0d86443cd97b186d2a5101eb4c7eed81 Mon Sep 17 00:00:00 2001
From: Paul Lawrence <paullawrence@google.com>
Date: Fri, 13 Jun 2014 11:09:55 -0700
Subject: [PATCH] Fix assorted problems on Crypto screen

Show keyboard on retry with PIN or password
Show correct message on cooldown
On return from emergency call, don't override cooldown
Don't show keyboard on return from emergency call if in cooldown
Show back functionality on emergency call

Change-Id: I5cc93cb09ad758b72521bd43cfad1040be2e5f8d
---
 src/com/android/settings/CryptKeeper.java | 41 ++++++++++++++++++-----
 1 file changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/com/android/settings/CryptKeeper.java b/src/com/android/settings/CryptKeeper.java
index 3c9411ae1f1..e9fed4f8049 100644
--- a/src/com/android/settings/CryptKeeper.java
+++ b/src/com/android/settings/CryptKeeper.java
@@ -124,6 +124,7 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
     private int mNotificationCountdown = 0;
     /** Number of calls to {@link #notifyUser()} before we release the wakelock */
     private int mReleaseWakeLockCountdown = 0;
+    private int mStatusString = R.string.enter_password;
 
     // how long we wait to clear a wrong pattern
     private static final int WRONG_PATTERN_CLEAR_TIMEOUT_MS = 1500;
@@ -205,6 +206,9 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
                     // Reenable the password entry
                     if (mPasswordEntry != null) {
                         mPasswordEntry.setEnabled(true);
+                        final InputMethodManager imm = (InputMethodManager) getSystemService(
+                                                  Context.INPUT_METHOD_SERVICE);
+                        imm.showSoftInput(mPasswordEntry, 0);
                     }
                     if (mLockPatternView != null) {
                         mLockPatternView.setEnabled(true);
@@ -417,19 +421,28 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
                 public void onPostExecute(java.lang.Void v) {
                     if(type == StorageManager.CRYPT_TYPE_PIN) {
                         setContentView(R.layout.crypt_keeper_pin_entry);
-                        ((TextView)findViewById(R.id.status)).setText(R.string.enter_pin);
+                        mStatusString = R.string.enter_pin;
                     } else if (type == StorageManager.CRYPT_TYPE_PATTERN) {
                         setContentView(R.layout.crypt_keeper_pattern_entry);
                         setBackFunctionality(false);
-                        ((TextView)findViewById(R.id.status)).setText(R.string.enter_pattern);
+                        mStatusString = R.string.enter_pattern;
                     } else {
                         setContentView(R.layout.crypt_keeper_password_entry);
+                        mStatusString = R.string.enter_password;
                     }
+                    final TextView status = (TextView) findViewById(R.id.status);
+                    status.setText(mStatusString);
+
+                    final TextView ownerInfo = (TextView) findViewById(R.id.owner_info);
+                    ownerInfo.setText(owner_info);
+                    ownerInfo.setSelected(true); // Required for marquee'ing to work
 
-                    final TextView status = (TextView) findViewById(R.id.owner_info);
-                    status.setText(owner_info);
-                    status.setSelected(true); // Required for marquee'ing to work
                     passwordEntryInit();
+
+                    if (mCooldown > 0) {
+                        setBackFunctionality(false);
+                        cooldown(); // in case we are cooling down and coming back from emergency dialler
+                    }
                 }
             }.execute();
         } else if (!mValidationRequested) {
@@ -572,13 +585,24 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
             // Re-enable the password entry and back presses.
             if (mPasswordEntry != null) {
                 mPasswordEntry.setEnabled(true);
+                final InputMethodManager imm = (InputMethodManager) getSystemService(
+                                          Context.INPUT_METHOD_SERVICE);
+                imm.showSoftInput(mPasswordEntry, 0);
                 setBackFunctionality(true);
             }
             if (mLockPatternView != null) {
                 mLockPatternView.setEnabled(true);
             }
-            status.setText(R.string.enter_password);
+            status.setText(mStatusString);
         } else {
+            // Disable the password entry and back presses.
+            if (mPasswordEntry != null) {
+                mPasswordEntry.setEnabled(false);
+            }
+            if (mLockPatternView != null) {
+                mLockPatternView.setEnabled(false);
+            }
+
             CharSequence template = getText(R.string.crypt_keeper_cooldown);
             status.setText(TextUtils.expandTemplate(template, Integer.toString(mCooldown)));
 
@@ -675,13 +699,13 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
                 mWakeLock.acquire();
                 // Keep awake for 10 minutes - if the user hasn't been alerted by then
                 // best not to just drain their battery
-                mReleaseWakeLockCountdown = 96; // 96 * 5 + 120 = 600
+                mReleaseWakeLockCountdown = 96; // 96 * 5 secs per click + 120 secs before we show this = 600
             }
         }
 
         // Asynchronously throw up the IME, since there are issues with requesting it to be shown
         // immediately.
-        if (mLockPatternView == null) {
+        if (mLockPatternView == null && mCooldown <= 0) {
             mHandler.postDelayed(new Runnable() {
                 @Override public void run() {
                     imm.showSoftInputUnchecked(0, null);
@@ -866,6 +890,7 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
         final Intent intent = new Intent(ACTION_EMERGENCY_DIAL);
         intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
                         | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+        setBackFunctionality(true);
         startActivity(intent);
     }