Refactor settings hierarchy and clump all volumes in one dialog.

Bug:2362077 Bug:2312836 Bug:2166486

Split Sound and Display into separate top-level settings.
All volume settings (including Alarm volume) now in one Volume dialog.
Remove some sub-texts to reduce clutter.

src/com/android/settings/DisplaySettings.java

@@ -0,0 +1,177 @@
+/*
+ * 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 static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
+
+import com.android.settings.bluetooth.DockEventReceiver;
+
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.media.AudioManager;
+import android.os.Bundle;
+import android.os.IMountService;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.preference.CheckBoxPreference;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceGroup;
+import android.preference.PreferenceScreen;
+import android.provider.Settings;
+import android.provider.Settings.SettingNotFoundException;
+import android.telephony.TelephonyManager;
+import android.util.Log;
+import android.view.IWindowManager;
+
+public class DisplaySettings extends PreferenceActivity implements
+        Preference.OnPreferenceChangeListener {
+    private static final String TAG = "DisplaySettings";
+
+    /** If there is no setting in the provider, use this. */
+    private static final int FALLBACK_SCREEN_TIMEOUT_VALUE = 30000;
+
+    private static final String KEY_SCREEN_TIMEOUT = "screen_timeout";
+    private static final String KEY_ANIMATIONS = "animations";
+    private static final String KEY_ACCELEROMETER = "accelerometer";
+
+    private ListPreference mAnimations;
+    private CheckBoxPreference mAccelerometer;
+    private float[] mAnimationScales;
+
+    private IWindowManager mWindowManager;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ContentResolver resolver = getContentResolver();
+        mWindowManager = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
+
+        addPreferencesFromResource(R.xml.display_settings);
+
+        mAnimations = (ListPreference) findPreference(KEY_ANIMATIONS);
+        mAnimations.setOnPreferenceChangeListener(this);
+        mAccelerometer = (CheckBoxPreference) findPreference(KEY_ACCELEROMETER);
+        mAccelerometer.setPersistent(false);
+
+        ListPreference screenTimeoutPreference =
+            (ListPreference) findPreference(KEY_SCREEN_TIMEOUT);
+        screenTimeoutPreference.setValue(String.valueOf(Settings.System.getInt(
+                resolver, SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE)));
+        screenTimeoutPreference.setOnPreferenceChangeListener(this);
+
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        updateState(true);
+    }
+
+    private void updateState(boolean force) {
+        int animations = 0;
+        try {
+            mAnimationScales = mWindowManager.getAnimationScales();
+        } catch (RemoteException e) {
+        }
+        if (mAnimationScales != null) {
+            if (mAnimationScales.length >= 1) {
+                animations = ((int)(mAnimationScales[0]+.5f)) % 10;
+            }
+            if (mAnimationScales.length >= 2) {
+                animations += (((int)(mAnimationScales[1]+.5f)) & 0x7) * 10;
+            }
+        }
+        int idx = 0;
+        int best = 0;
+        CharSequence[] aents = mAnimations.getEntryValues();
+        for (int i=0; i<aents.length; i++) {
+            int val = Integer.parseInt(aents[i].toString());
+            if (val <= animations && val > best) {
+                best = val;
+                idx = i;
+            }
+        }
+        mAnimations.setValueIndex(idx);
+        updateAnimationsSummary(mAnimations.getValue());
+        mAccelerometer.setChecked(Settings.System.getInt(
+                getContentResolver(),
+                Settings.System.ACCELEROMETER_ROTATION, 0) != 0);
+    }
+
+    private void updateAnimationsSummary(Object value) {
+        CharSequence[] summaries = getResources().getTextArray(R.array.animations_summaries);
+        CharSequence[] values = mAnimations.getEntryValues();
+        for (int i=0; i<values.length; i++) {
+            //Log.i("foo", "Comparing entry "+ values[i] + " to current "
+            //        + mAnimations.getValue());
+            if (values[i].equals(value)) {
+                mAnimations.setSummary(summaries[i]);
+                break;
+            }
+        }
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+        if (preference == mAccelerometer) {
+            Settings.System.putInt(getContentResolver(),
+                    Settings.System.ACCELEROMETER_ROTATION,
+                    mAccelerometer.isChecked() ? 1 : 0);
+        }
+        return true;
+    }
+
+    public boolean onPreferenceChange(Preference preference, Object objValue) {
+        final String key = preference.getKey();
+        if (KEY_ANIMATIONS.equals(key)) {
+            try {
+                int value = Integer.parseInt((String) objValue);
+                if (mAnimationScales.length >= 1) {
+                    mAnimationScales[0] = value%10;
+                }
+                if (mAnimationScales.length >= 2) {
+                    mAnimationScales[1] = (value/10)%10;
+                }
+                try {
+                    mWindowManager.setAnimationScales(mAnimationScales);
+                } catch (RemoteException e) {
+                }
+                updateAnimationsSummary(objValue);
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "could not persist animation setting", e);
+            }
+
+        }
+        if (KEY_SCREEN_TIMEOUT.equals(key)) {
+            int value = Integer.parseInt((String) objValue);
+            try {
+                Settings.System.putInt(getContentResolver(),
+                        SCREEN_OFF_TIMEOUT, value);
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "could not persist screen timeout setting", e);
+            }
+        }
+
+        return true;
+    }
+}