Add hook to set custom default lock screen on setup

issue-id: YAM-115
Change-Id: I8c6df704c96523fadff16c8c586ebbb91a8c1c32

AndroidManifest.xml

@@ -48,6 +48,7 @@
     <uses-permission android:name="cyanogenmod.permission.LEGALESE" />
     <uses-permission android:name="com.cyngn.stats.SEND_ANALYTICS" />
     <uses-permission android:name="com.cyanogen.permission.REQUEST_KILL_SWITCH_OP" />
+    <uses-permission android:name="android.permission.ACCESS_KEYGUARD_SECURE_STORAGE" />
 
     <permission
         android:name="cyanogenmod.permission.PROTECTED_APP"

res/values/config.xml

@@ -21,4 +21,5 @@
          0=default sim image, 1=sim on side, 2=sim on back-->
     <integer name="sim_image_type">0</integer>
     <bool name="check_custom_theme_by_default">true</bool>
+    <string name="default_custom_lockscreen_component"></string>
 </resources>

src/com/cyanogenmod/setupwizard/setup/CyanogenSettingsPage.java

@@ -36,6 +36,7 @@ import android.text.Spannable;
 import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
+import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
 import android.text.style.ClickableSpan;
 import android.util.Log;
@@ -46,6 +47,8 @@ import android.widget.CheckBox;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.android.internal.widget.LockPatternUtils;
+
 import com.cyanogenmod.setupwizard.R;
 import com.cyanogenmod.setupwizard.SetupWizardApp;
 import com.cyanogenmod.setupwizard.cmstats.SetupStats;
@@ -145,6 +148,7 @@ public class CyanogenSettingsPage extends SetupPage {
         });
         handleEnableMetrics();
         handleDefaultThemeSetup();
+        handleDefaultLockscreenSetup();
     }
 
     private void handleEnableMetrics() {
@@ -173,6 +177,24 @@ public class CyanogenSettingsPage extends SetupPage {
         }
     }
 
+    private void handleDefaultLockscreenSetup() {
+        String defaultLockscreenComponent = mContext.getResources().getString(
+                R.string.default_custom_lockscreen_component);
+        if (!TextUtils.isEmpty(defaultLockscreenComponent)) {
+            ComponentName cn =
+                    ComponentName.unflattenFromString(defaultLockscreenComponent);
+            if (cn != null) {
+                try {
+                    Log.i(TAG, "Applying default lockscreen");
+                    LockPatternUtils util = new LockPatternUtils(mContext);
+                    util.setThirdPartyKeyguard(cn);
+                } catch (PackageManager.NameNotFoundException | SecurityException e) {
+                    Log.w(TAG, "Error setting default lockscreen: " + cn, e);
+                }
+            }
+        }
+    }
+
     private static boolean hideKeyDisabler(Context ctx) {
         final CMHardwareManager hardware = CMHardwareManager.getInstance(ctx);
         return !hardware.isSupported(CMHardwareManager.FEATURE_KEY_DISABLE);