1 files changed, 155 insertions, 0 deletions
diff --git a/src/com/android/settings/applications/ExpandedDesktopExtraPrefs.java b/src/com/android/settings/applications/ExpandedDesktopExtraPrefs.java
new file mode 100644
index 0000000..f709a98
--- /dev/null
+++ b/src/com/android/settings/applications/ExpandedDesktopExtraPrefs.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2015 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 com.android.settings.applications;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Bundle;
+
+import android.os.Handler;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.provider.Settings;
+import android.view.WindowManager;
+import android.view.WindowManagerPolicyControl;
+
+import com.android.internal.logging.MetricsLogger;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.R;
+
+public class ExpandedDesktopExtraPrefs extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener{
+    private static final String KEY_EXPANDED_DESKTOP_STYLE = "expanded_desktop_style";
+
+    private ListPreference mExpandedDesktopStylePref;
+    private int mExpandedDesktopStyle;
+    private final Handler mHandler = new Handler();
+    private final SettingsObserver mSettingsObserver = new SettingsObserver();
+
+    public static ExpandedDesktopExtraPrefs newInstance() {
+        ExpandedDesktopExtraPrefs expandedDesktopExtraPrefs = new ExpandedDesktopExtraPrefs();
+        return expandedDesktopExtraPrefs;
+    }
+
+    @Override
+    public void onAttach(Activity activity) {
+        super.onAttach(activity);
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.expanded_desktop_prefs);
+        mExpandedDesktopStyle = getExpandedDesktopStyle();
+        createPreferences();
+    }
+
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsLogger.DISPLAY;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mSettingsObserver.register(true);
+    }
+
+    @Override
+    public void onPause() {
+        mSettingsObserver.register(false);
+        super.onPause();
+    }
+
+    public void createPreferences() {
+        mExpandedDesktopStylePref = (ListPreference) findPreference(KEY_EXPANDED_DESKTOP_STYLE);
+        mExpandedDesktopStylePref.setOnPreferenceChangeListener(this);
+        updateExpandedDesktopStyle();
+    }
+
+    private void updateExpandedDesktopStyle() {
+        if (mExpandedDesktopStylePref == null) {
+            return;
+        }
+        mExpandedDesktopStyle = getExpandedDesktopStyle();
+        mExpandedDesktopStylePref.setValueIndex(mExpandedDesktopStyle);
+        mExpandedDesktopStylePref.setSummary(getDesktopSummary(mExpandedDesktopStyle));
+        // We need to visually show the change
+        // TODO: This is hacky, but it works
+        writeValue("");
+        writeValue("immersive.full=*");
+    }
+
+    private int getDesktopSummary(int state) {
+        switch (state) {
+            case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_STATUS:
+                return R.string.expanded_hide_status;
+            case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_NAVIGATION:
+                return R.string.expanded_hide_navigation;
+            case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_FULL:
+            default:
+                return R.string.expanded_hide_both;
+        }
+    }
+
+    private int getExpandedDesktopStyle() {
+        return Settings.Global.getInt(getContentResolver(),
+                Settings.Global.POLICY_CONTROL_STYLE,
+                WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_FULL);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object value) {
+        final int val = Integer.valueOf((String) value);
+        WindowManagerPolicyControl.saveStyleToSettings(getActivity(), val);
+        return false;
+    }
+
+    private void writeValue(String value) {
+        Settings.Global.putString(getContentResolver(), Settings.Global.POLICY_CONTROL, value);
+    }
+
+    // === Window Policy Style Callbacks ===
+
+    private final class SettingsObserver extends ContentObserver {
+        private final Uri DEFAULT_WINDOW_POLICY_STYLE =
+                Settings.Global.getUriFor(Settings.Global.POLICY_CONTROL_STYLE);
+
+        public SettingsObserver() {
+            super(mHandler);
+        }
+
+        public void register(boolean register) {
+            final ContentResolver cr = getContentResolver();
+            if (register) {
+                cr.registerContentObserver(DEFAULT_WINDOW_POLICY_STYLE, false, this);
+            } else {
+                cr.unregisterContentObserver(this);
+            }
+        }
+
+        @Override
+        public void onChange(boolean selfChange, Uri uri) {
+            super.onChange(selfChange, uri);
+            if (DEFAULT_WINDOW_POLICY_STYLE.equals(uri)) {
+                updateExpandedDesktopStyle();
+            }
+        }
+    }
+}