Start hooking up password device policies

This introduces a new activity for changing the password, which takes
care of launching the correct password activity based on the caller's
request and active policy.  The security settings activity now uses
this, and it implements the API action for launching the password UI.

1 files changed, 70 insertions, 0 deletions

diff --git a/src/com/android/settings/ChooseLockGeneric.java b/src/com/android/settings/ChooseLockGeneric.java
new file mode 100644
index 0000000..a3c8d8a
--- /dev/null
+++ b/src/com/android/settings/ChooseLockGeneric.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+package com.android.settings;
+
+import com.android.internal.widget.LockPatternUtils;
+
+import android.app.Activity;
+import android.app.DevicePolicyManager;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+
+public class ChooseLockGeneric extends Activity {
+    private ChooseLockSettingsHelper mChooseLockSettingsHelper;
+    DevicePolicyManager mDPM;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        
+        mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
+        mChooseLockSettingsHelper = new ChooseLockSettingsHelper(this);
+        
+        final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
+        
+        int mode = getIntent().getIntExtra(LockPatternUtils.PASSWORD_TYPE_KEY, -1);
+        if (mode == -1) {
+            mode = lockPatternUtils.getPasswordMode();
+        }
+        int minMode = mDPM.getPasswordMode();
+        if (mode < minMode) {
+            mode = minMode;
+        }
+        if (mode >= DevicePolicyManager.PASSWORD_MODE_NUMERIC) {
+            int minLength = mDPM.getMinimumPasswordLength();
+            if (minLength < 4) {
+                minLength = 4;
+            }
+            final int maxLength = 16;
+            Intent intent = new Intent().setClass(this, ChooseLockPassword.class);
+            intent.putExtra(LockPatternUtils.PASSWORD_TYPE_KEY, mode);
+            intent.putExtra(ChooseLockPassword.PASSWORD_MIN_KEY, minLength);
+            intent.putExtra(ChooseLockPassword.PASSWORD_MAX_KEY, maxLength);
+            startActivity(intent);
+        } else {
+            boolean showTutorial = !lockPatternUtils.isPatternEverChosen();
+            Intent intent = new Intent();
+            intent.setClass(this, showTutorial
+                    ? ChooseLockPatternTutorial.class
+                    : ChooseLockPattern.class);
+            intent.putExtra("key_lock_method", "pattern");
+            startActivity(intent);
+        }
+        finish();
+    }
+}