Profiles: add profile picker Activity (2/2)

Change-Id: I72afb84e85c170c6e4b8aa729383af7277244a1a
Signed-off-by: Roman Birg <roman@cyngn.com>

2 files changed, 245 insertions, 0 deletions

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index deb4fc1..a3c0c13 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -43,5 +43,15 @@
                 <action android:name="android.intent.action.BOOT_COMPLETED"/>
             </intent-filter>
         </receiver>
+
+        <activity android:name=".ProfilePickerActivity"
+                  android:theme="@*android:style/Theme.Material.Dialog.Alert"
+                  android:excludeFromRecents="true">
+            <intent-filter>
+                <action android:name="cyanogenmod.platform.intent.action.PROFILE_PICKER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
     </application>
 </manifest>
diff --git a/src/org/cyanogenmod/profiles/ProfilePickerActivity.java b/src/org/cyanogenmod/profiles/ProfilePickerActivity.java
new file mode 100644
index 0000000..cab37ff
--- /dev/null
+++ b/src/org/cyanogenmod/profiles/ProfilePickerActivity.java
@@ -0,0 +1,235 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ * Copyright (C) 2013 The CyanogenMod 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 org.cyanogenmod.profiles;
+
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.res.Resources;
+import android.content.res.Resources.Theme;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import cyanogenmod.app.Profile;
+import cyanogenmod.app.ProfileManager;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * The {@link ProfilePickerActivity} allows the user to choose one from all of the
+ * available profiles.
+ *
+ * @see ProfileManager#ACTION_PROFILE_PICKER
+ * @hide
+ */
+public final class ProfilePickerActivity extends AlertActivity implements
+        DialogInterface.OnClickListener, AlertController.AlertParams.OnPrepareListViewListener {
+
+    private static final String TAG = "ProfilePickerActivity";
+
+    private static final String SAVE_CLICKED_POS = "clicked_pos";
+
+    private ProfileManager mProfileManager;
+
+    /** The position in the list of the 'None' item. */
+    private int mNonePos = -1;
+
+    /** The position in the list of the last clicked item. */
+    private int mClickedPos = -1;
+
+    /** Whether this list has the 'None' item. */
+    private boolean mHasNoneItem;
+
+    /** The UUID to place a checkmark next to. */
+    private UUID mExistingUUID;
+
+    private List<Profile> mProfiles;
+
+    private DialogInterface.OnClickListener mProfileClickListener =
+            new DialogInterface.OnClickListener() {
+        @Override
+        public void onClick(DialogInterface dialog, int which) {
+            // Save the position of most recently clicked item
+            mClickedPos = which;
+        }
+
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Intent intent = getIntent();
+
+        // Set custom theme
+        int themeExtra = intent.getIntExtra(ProfileManager.EXTRA_PROFILE_DIALOG_THEME, 0);
+        if (themeExtra != 0) {
+            try {
+                Resources resources = getPackageManager().getResourcesForApplication(
+                        getCallingPackage());
+                Theme theme = resources.newTheme();
+                theme.applyStyle(themeExtra, true);
+                getTheme().setTo(theme);
+
+            } catch (NameNotFoundException e) {
+                // Resource not available. Fall-through default theme
+            }
+        }
+
+        if (savedInstanceState != null) {
+            mClickedPos = savedInstanceState.getInt(SAVE_CLICKED_POS, -1);
+        }
+
+        // Get whether to show the 'None' item
+        mHasNoneItem = intent.getBooleanExtra(ProfileManager.EXTRA_PROFILE_SHOW_NONE, true);
+
+        // Give the Activity so it can do managed queries
+        mProfileManager = ProfileManager.getInstance(this);
+        mProfiles = Arrays.asList(mProfileManager.getProfiles());
+
+        // Get the UUID whose list item should have a checkmark
+        String uuid = intent.getStringExtra(ProfileManager.EXTRA_PROFILE_EXISTING_UUID);
+        if (uuid == null) {
+            mExistingUUID = null;
+        } else {
+            try {
+                mExistingUUID = UUID.fromString(uuid);
+            } catch (IllegalArgumentException e) {
+                Log.e(TAG, "Invalid existing UUID: " + uuid);
+                mExistingUUID = ProfileManager.NO_PROFILE;
+            }
+        }
+
+        final ArrayList<String> profileNames = new ArrayList<String>();
+        for (Profile profile : mProfiles) {
+            profileNames.add(profile.getName());
+        }
+
+        final AlertController.AlertParams p = mAlertParams;
+        p.mAdapter = new ArrayAdapter<String>(this,
+                com.android.internal.R.layout.select_dialog_singlechoice_holo, profileNames);
+        p.mOnClickListener = mProfileClickListener;
+        p.mIsSingleChoice = true;
+        p.mPositiveButtonText = getString(com.android.internal.R.string.ok);
+        p.mPositiveButtonListener = this;
+        p.mNegativeButtonText = getString(com.android.internal.R.string.cancel);
+        p.mPositiveButtonListener = this;
+        p.mOnPrepareListViewListener = this;
+
+        p.mTitle = intent.getCharSequenceExtra(ProfileManager.EXTRA_PROFILE_TITLE);
+        if (p.mTitle == null) {
+            p.mTitle = getString(com.android.internal.R.string.profile_picker_title);
+        }
+
+        setupAlert();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putInt(SAVE_CLICKED_POS, mClickedPos);
+    }
+
+    @Override
+    public void onPrepareListView(ListView listView) {
+        if (mHasNoneItem) {
+            mNonePos = addNoneItem(listView);
+
+            // The 'None' item should use a NO_PROFILE UUID
+            if (mExistingUUID == null || mExistingUUID.equals(ProfileManager.NO_PROFILE)) {
+                mClickedPos = mNonePos;
+            }
+        }
+
+        // Has a valid UUID
+        if (mClickedPos == -1 && mExistingUUID != null) {
+            mClickedPos = getPositionForUUID(mExistingUUID);
+        }
+        if (mClickedPos == -1) {
+            mClickedPos = getPositionForUUID(mProfileManager.getActiveProfile().getUuid());
+        }
+
+        // Put a checkmark next to an item.
+        mAlertParams.mCheckedItem = mClickedPos;
+    }
+
+    private int getPositionForUUID(UUID uuid) {
+        int count = mProfiles.size();
+        for (int i = 0; i < count; i++) {
+            if (mProfiles.get(i).getUuid().equals(uuid)) {
+                return mNonePos + i + 1;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * Adds a static item to the top of the list. A static item is one that is not from the
+     * ProfileManager.
+     *
+     * @param listView The ListView to add to.
+     * @param textResId The resource ID of the text for the item.
+     * @return The position of the inserted item.
+     */
+    private int addStaticItem(ListView listView, int textResId) {
+        TextView textView = (TextView) getLayoutInflater().inflate(
+                com.android.internal.R.layout.select_dialog_singlechoice_holo, listView, false);
+        textView.setText(textResId);
+        listView.addHeaderView(textView);
+        return listView.getHeaderViewsCount() - 1;
+    }
+
+    private int addNoneItem(ListView listView) {
+        return addStaticItem(listView, com.android.internal.R.string.profile_none);
+    }
+
+    /*
+     * On click of Ok/Cancel buttons
+     */
+    public void onClick(DialogInterface dialog, int which) {
+        boolean positiveResult = which == DialogInterface.BUTTON_POSITIVE;
+
+        if (positiveResult) {
+            Intent resultIntent = new Intent();
+            UUID uuid = ProfileManager.NO_PROFILE;
+
+            if (mClickedPos != mNonePos) {
+                int pos = mHasNoneItem ? mClickedPos - 1 : mClickedPos;
+                if (pos >= 0 && pos < mProfiles.size()) {
+                    uuid = mProfiles.get(pos).getUuid();
+                }
+            }
+
+            resultIntent.putExtra(ProfileManager.EXTRA_PROFILE_PICKED_UUID, uuid.toString());
+            setResult(RESULT_OK, resultIntent);
+        } else {
+            setResult(RESULT_CANCELED);
+        }
+
+        finish();
+    }
+}