Setings: Forward port Display Rotation settings

Originaly authored by Robert Burns (burnsra)

Change-Id: I4f96b3f804ee4732b277c35340790f3561d69764

1 files changed, 147 insertions, 0 deletions

diff --git a/src/com/android/settings/cyanogenmod/DisplayRotation.java b/src/com/android/settings/cyanogenmod/DisplayRotation.java
new file mode 100644
index 0000000..92a3f29
--- /dev/null
+++ b/src/com/android/settings/cyanogenmod/DisplayRotation.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2012 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.cyanogenmod;
+
+import android.database.ContentObserver;
+import android.os.Bundle;
+import android.os.Handler;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+
+import com.android.internal.view.RotationPolicy;
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+public class DisplayRotation extends SettingsPreferenceFragment implements OnPreferenceChangeListener {
+    private static final String TAG = "DisplayRotation";
+
+    private static final String KEY_ACCELEROMETER = "accelerometer";
+    private static final String ROTATION_0_PREF = "display_rotation_0";
+    private static final String ROTATION_90_PREF = "display_rotation_90";
+    private static final String ROTATION_180_PREF = "display_rotation_180";
+    private static final String ROTATION_270_PREF = "display_rotation_270";
+
+    private CheckBoxPreference mAccelerometer;
+    private CheckBoxPreference mRotation0Pref;
+    private CheckBoxPreference mRotation90Pref;
+    private CheckBoxPreference mRotation180Pref;
+    private CheckBoxPreference mRotation270Pref;
+
+    public static final int ROTATION_0_MODE = 1;
+    public static final int ROTATION_90_MODE = 2;
+    public static final int ROTATION_180_MODE = 4;
+    public static final int ROTATION_270_MODE = 8;
+
+    private ContentObserver mAccelerometerRotationObserver = new ContentObserver(new Handler()) {
+        @Override
+        public void onChange(boolean selfChange) {
+            updateAccelerometerRotationCheckbox();
+        }
+    };
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        boolean hasRotationLock = this.getResources().getBoolean(com.android
+                .internal.R.bool.config_hasRotationLockSwitch);
+
+        super.onCreate(savedInstanceState);
+
+        addPreferencesFromResource(R.xml.display_rotation);
+
+        PreferenceScreen prefSet = getPreferenceScreen();
+
+        mAccelerometer = (CheckBoxPreference) findPreference(KEY_ACCELEROMETER);
+        mAccelerometer.setPersistent(false);
+
+        if (hasRotationLock) {
+                mAccelerometer.setEnabled(false);
+        }
+        mRotation0Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_0_PREF);
+        mRotation90Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_90_PREF);
+        mRotation180Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_180_PREF);
+        mRotation270Pref = (CheckBoxPreference) prefSet.findPreference(ROTATION_270_PREF);
+
+        int mode = Settings.System.getInt(getContentResolver(),
+                        Settings.System.ACCELEROMETER_ROTATION_ANGLES,
+                        ROTATION_0_MODE|ROTATION_90_MODE|ROTATION_270_MODE);
+
+        mRotation0Pref.setChecked((mode & ROTATION_0_MODE) != 0);
+        mRotation90Pref.setChecked((mode & ROTATION_90_MODE) != 0);
+        mRotation180Pref.setChecked((mode & ROTATION_180_MODE) != 0);
+        mRotation270Pref.setChecked((mode & ROTATION_270_MODE) != 0);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        updateState();
+        getContentResolver().registerContentObserver(
+                Settings.System.getUriFor(Settings.System.ACCELEROMETER_ROTATION), true,
+                mAccelerometerRotationObserver);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+
+        getContentResolver().unregisterContentObserver(mAccelerometerRotationObserver);
+    }
+
+    private void updateState() {
+        updateAccelerometerRotationCheckbox();
+    }
+
+    private void updateAccelerometerRotationCheckbox() {
+        mAccelerometer.setChecked(!RotationPolicy.isRotationLocked(getActivity()));
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        return false;
+    }
+
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+        if (preference == mAccelerometer) {
+            RotationPolicy.setRotationLockForAccessibility(getActivity(), !mAccelerometer.isChecked());
+        } else if (preference == mRotation0Pref ||
+                preference == mRotation90Pref ||
+                preference == mRotation180Pref ||
+                preference == mRotation270Pref) {
+            int mode = 0;
+            if (mRotation0Pref.isChecked())
+                mode |= ROTATION_0_MODE;
+            if (mRotation90Pref.isChecked())
+                mode |= ROTATION_90_MODE;
+            if (mRotation180Pref.isChecked())
+                mode |= ROTATION_180_MODE;
+            if (mRotation270Pref.isChecked())
+                mode |= ROTATION_270_MODE;
+            if (mode == 0) {
+                mode |= ROTATION_0_MODE;
+                mRotation0Pref.setChecked(true);
+            }
+            Settings.System.putInt(getActivity().getApplicationContext().getContentResolver(),
+                    Settings.System.ACCELEROMETER_ROTATION_ANGLES, mode);
+            return true;
+        }
+
+        return super.onPreferenceTreeClick(preferenceScreen, preference);
+    }
+}