From f1dbf55819e01f6cf1a99d38a292b15de1262a29 Mon Sep 17 00:00:00 2001
From: Jason parks <jparks@google.com>
Date: Mon, 24 Jan 2011 16:19:28 -0600
Subject: [PATCH] More UI tweaks.

* Grab a full wakelock while encrypting.
* Fix a bug with failed attempts.
* Add a custom theme to animate the screen to black.
* Fix the keyboard to be displayed properly in landscape and portrait.

Change-Id: Icc2d813ce1780588eb3b16f5204c3c60cae5236f
---
 AndroidManifest.xml                           |  8 +-
 res/anim/crypt_keeper_exit.xml                | 33 +++++++
 .../crypt_keeper_password_entry.xml           | 88 ++++++++++---------
 .../crypt_keeper_password_entry.xml           | 85 +++++++++---------
 res/layout/crypt_keeper_status.xml            |  5 +-
 res/values/styles.xml                         | 12 +++
 src/com/android/settings/CryptKeeper.java     | 23 +++--
 7 files changed, 154 insertions(+), 100 deletions(-)
 create mode 100644 res/anim/crypt_keeper_exit.xml

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f822ff65236..809e92a24f5 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1071,7 +1071,7 @@
         <activity android:name=".CryptKeeper"
                   android:immersive="true"
                   android:launchMode="singleTop"
-                  android:theme="@android:style/Theme.Holo.NoActionBar"
+                  android:theme="@style/CryptKeeperTheme"
                   android:windowSoftInputMode="stateAlwaysHidden">
             <intent-filter android:priority="10">
                 <action android:name="android.intent.action.MAIN" />
@@ -1080,6 +1080,12 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".CryptKeeper$Blank"
+            android:immersive="true"
+            android:launchMode="singleTop"
+            android:theme="@style/CryptKeeperBlankTheme"
+        />
+
         <!-- Pseudo-activity used to provide an intent-filter entry point to encryption settings -->
         <activity android:name="Settings$CryptKeeperSettingsActivity"
                 android:theme="@android:style/Theme.Holo"
diff --git a/res/anim/crypt_keeper_exit.xml b/res/anim/crypt_keeper_exit.xml
new file mode 100644
index 00000000000..3ab34e9a180
--- /dev/null
+++ b/res/anim/crypt_keeper_exit.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:interpolator="@android:anim/accelerate_interpolator"
+>
+
+    <scale
+        android:fromXScale="1.0"
+        android:toXScale="0.0"
+        android:fromYScale="1.0"
+        android:toYScale="0.0"
+        android:pivotX="50%"
+        android:pivotY="50%"
+        android:fillAfter="false"
+        android:duration="500"
+    />
+
+</set>
+
diff --git a/res/layout-xlarge-land/crypt_keeper_password_entry.xml b/res/layout-xlarge-land/crypt_keeper_password_entry.xml
index 76d2278a604..ffbdf8946a5 100644
--- a/res/layout-xlarge-land/crypt_keeper_password_entry.xml
+++ b/res/layout-xlarge-land/crypt_keeper_password_entry.xml
@@ -20,51 +20,53 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="horizontal"
+    android:orientation="vertical"
 >
-    <LinearLayout
-           android:layout_height="match_parent"
-           android:layout_weight="1"
-           android:layout_width="0dip"
-           android:orientation="vertical"
-           android:gravity="center_vertical"
-               >
-       <include layout="@layout/crypt_keeper_status" />
-   </LinearLayout>
-   
-   <!-- right side: password -->
-   <LinearLayout
-       android:layout_width="0dip"
-       android:layout_height="match_parent"
-       android:orientation="vertical"
-       android:layout_weight="1"
-       android:gravity="center">
 
-       <!-- Password entry field -->
-       <EditText android:id="@+id/passwordEntry"
-           android:layout_height="wrap_content"
-           android:layout_width="450dip"
-           android:singleLine="true"
-           android:textStyle="normal"
-           android:inputType="textPassword"
-           android:gravity="center"
-           android:layout_gravity="center"
-           android:textSize="24sp"
-           android:layout_marginTop="120dip"
-           android:layout_marginBottom="5dip"
-           android:textAppearance="?android:attr/textAppearanceMedium"
-           android:textColor="#ffffffff"
-           android:editable="false"
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_weight="1"
+    >
+        <!-- left side: status -->
+        <include layout="@layout/crypt_keeper_status"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="102dip"
+            android:layout_marginTop="20dip"
+            android:gravity="left"
+            android:paddingTop="50dip"
+            android:layout_centerVertical="true"
+            android:layout_alignParentLeft="true"
         />
 
-       <com.android.internal.widget.PasswordEntryKeyboardView android:id="@+id/keyboard"
-           android:layout_width="450dip"
-           android:layout_height="230dip"
-           android:background="#00000000"
-           android:keyBackground="@*android:drawable/btn_keyboard_key_fulltrans"
-           android:visibility="visible"
-       />
-       
-   </LinearLayout>
-    
+        <!-- Password entry field -->
+        <EditText android:id="@+id/passwordEntry"
+            android:layout_height="wrap_content"
+            android:layout_width="450dip"
+            android:layout_marginRight="155dip"
+            android:layout_alignParentRight="true"
+            android:singleLine="true"
+            android:textStyle="normal"
+            android:inputType="textPassword"
+            android:gravity="center"
+            android:layout_gravity="center"
+            android:textSize="24sp"
+            android:layout_marginTop="120dip"
+            android:layout_marginBottom="5dip"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textColor="#ffffffff"
+            android:editable="false"
+        />
+
+    </RelativeLayout>
+
+    <com.android.internal.widget.PasswordEntryKeyboardView android:id="@+id/keyboard"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="#00000000"
+        android:keyBackground="@*android:drawable/btn_keyboard_key_fulltrans"
+        android:visibility="visible"
+    />
+
 </LinearLayout>
\ No newline at end of file
diff --git a/res/layout-xlarge/crypt_keeper_password_entry.xml b/res/layout-xlarge/crypt_keeper_password_entry.xml
index 4dce67adf66..b67eed0342b 100644
--- a/res/layout-xlarge/crypt_keeper_password_entry.xml
+++ b/res/layout-xlarge/crypt_keeper_password_entry.xml
@@ -17,52 +17,49 @@
 */
 -->
 
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:orientation="vertical"
+    android:gravity="center_horizontal"
 >
-    <LinearLayout
-           android:layout_height="wrap_content"
-           android:layout_width="match_parent"
-           android:orientation="vertical"
-           android:gravity="center_vertical"
-               >
-       <include layout="@layout/crypt_keeper_status" />
-   </LinearLayout>
-   
-   <!-- right side: password -->
-   <LinearLayout
-       android:layout_width="match_parent"
-       android:layout_height="match_parent"
-       android:orientation="vertical"
-       android:gravity="center">
 
-       <!-- Password entry field -->
-       <EditText android:id="@+id/passwordEntry"
-           android:layout_height="wrap_content"
-           android:layout_width="450dip"
-           android:singleLine="true"
-           android:textStyle="normal"
-           android:inputType="textPassword"
-           android:gravity="center"
-           android:layout_gravity="center"
-           android:textSize="24sp"
-           android:layout_marginTop="120dip"
-           android:layout_marginBottom="5dip"
-           android:textAppearance="?android:attr/textAppearanceMedium"
-           android:textColor="#ffffffff"
-           android:editable="false"
-        />
+    <!-- left side: status -->
+    <include layout="@layout/crypt_keeper_status"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="134dip"
+        android:paddingTop="50dip"
+        android:layout_alignParentTop="true"
+        android:layout_gravity="center_horizontal"
+        android:layout_centerHorizontal="true"
+    />
 
-       <com.android.internal.widget.PasswordEntryKeyboardView android:id="@+id/keyboard"
-           android:layout_width="450dip"
-           android:layout_height="230dip"
-           android:background="#00000000"
-           android:keyBackground="@*android:drawable/btn_keyboard_key_fulltrans"
-           android:visibility="visible"
-       />
-       
-   </LinearLayout>
-    
-</LinearLayout>
\ No newline at end of file
+    <!-- Password entry field -->
+    <EditText android:id="@+id/passwordEntry"
+        android:layout_above="@id/keyboard"
+        android:layout_height="wrap_content"
+        android:layout_width="450dip"
+        android:singleLine="true"
+        android:textStyle="normal"
+        android:inputType="textPassword"
+        android:gravity="center"
+        android:layout_gravity="center_horizontal"
+        android:layout_centerHorizontal="true"
+        android:textSize="24sp"
+        android:layout_marginTop="120dip"
+        android:layout_marginBottom="5dip"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:textColor="#ffffffff"
+        android:editable="false"
+    />
+
+    <com.android.internal.widget.PasswordEntryKeyboardView android:id="@+id/keyboard"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:background="#00000000"
+        android:keyBackground="@*android:drawable/btn_keyboard_key_fulltrans"
+        android:visibility="visible"
+    />
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/res/layout/crypt_keeper_status.xml b/res/layout/crypt_keeper_status.xml
index ba2584f5b61..d106c69455e 100644
--- a/res/layout/crypt_keeper_status.xml
+++ b/res/layout/crypt_keeper_status.xml
@@ -23,10 +23,7 @@
         android:orientation="vertical"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginLeft="140dip"
-        android:layout_marginTop="20dip"
-        android:gravity="left"
-        >
+>
 
     <com.android.internal.widget.DigitalClock android:id="@+id/time"
         android:layout_width="wrap_content"
diff --git a/res/values/styles.xml b/res/values/styles.xml
index a49cd0a0468..8a11a6502ec 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -120,4 +120,16 @@
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowIsFloating">true</item>
     </style>
+
+    <style name="CryptKeeperTheme" parent="@android:style/Theme.Holo.NoActionBar">
+        <item name="android:windowAnimationStyle">@style/CryptKeeperAnimation</item>
+    </style>
+
+    <style name="CryptKeeperBlankTheme" parent="@android:style/Theme.Holo.NoActionBar">
+        <item name="android:background">#ff000000</item>
+    </style>
+
+    <style name="CryptKeeperAnimation">
+        <item name="android:windowExitAnimation">@anim/crypt_keeper_exit</item>
+    </style>
 </resources>
diff --git a/src/com/android/settings/CryptKeeper.java b/src/com/android/settings/CryptKeeper.java
index 3917b76e6f8..5afc3f614e2 100644
--- a/src/com/android/settings/CryptKeeper.java
+++ b/src/com/android/settings/CryptKeeper.java
@@ -57,6 +57,9 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
     private static final int COOL_DOWN_ATTEMPTS = 10;
     private static final int COOL_DOWN_INTERVAL = 30; // 30 seconds
 
+    // This activity is used to fade the screen to black after the password is entered.
+    public static class Blank extends Activity {
+    }
 
     private Handler mHandler = new Handler() {
         @Override
@@ -103,7 +106,6 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
         }
     };
 
-    private int mFailedAttempts = 0;
     private int mCooldown;
 
     @Override
@@ -143,7 +145,7 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
         // is encrypted.
 
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
-        PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+        PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, TAG);
 
         wakeLock.acquire();
 
@@ -192,15 +194,20 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
 
             IMountService service = getMountService();
             try {
-                service.decryptStorage(password);
+                int failedAttempts = service.decryptStorage(password);
 
-                if (mFailedAttempts == 0) {
-                    // Success. Do something here within 2 seconds
-
-                } else if (mFailedAttempts == MAX_FAILED_ATTEMPTS) {
+                if (failedAttempts == 0) {
+                    // The password was entered successfully. Start the Blank activity
+                    // so this activity animates to black before the devices starts. Note
+                    // It has 1 second to complete the animation or it will be frozen
+                    // until the boot animation comes back up.
+                    Intent intent = new Intent(this, Blank.class);
+                    finish();
+                    startActivity(intent);
+                } else if (failedAttempts == MAX_FAILED_ATTEMPTS) {
                     // Factory reset the device.
                     sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR"));
-                } else if ((mFailedAttempts % COOL_DOWN_ATTEMPTS) == 0) {
+                } else if ((failedAttempts % COOL_DOWN_ATTEMPTS) == 0) {
                     mCooldown = COOL_DOWN_INTERVAL;
                     EditText passwordEntry = (EditText) findViewById(R.id.passwordEntry);
                     passwordEntry.setEnabled(false);