Answer call with hardware HOME button (1/2)

Squashed commit of the following:

Author: Oleksandr Byelkin <sanja.byelkin@gmail.com>
Adds ability to answer call with hardware HOME button
preparation to winter time
Change-Id: I0d22a6fbb92a61f08b50cae5c14d0030b81ee6ec

Author: Michael Bestas <mikeioannina@gmail.com>
Settings: Move home answer & power end call options

Move 'Home answers call' & 'Power ends call' options to button settings
Change-Id: I2f365a3d278b0845b7c5ffcfe70c54160a00c24e

1 files changed, 72 insertions, 2 deletions

diff --git a/src/com/android/settings/ButtonSettings.java b/src/com/android/settings/ButtonSettings.java
index 227f5cb..df7623c 100644
--- a/src/com/android/settings/ButtonSettings.java
+++ b/src/com/android/settings/ButtonSettings.java
@@ -36,7 +36,6 @@ import android.util.Log;
 import android.view.IWindowManager;
 import android.view.KeyCharacterMap;
 import android.view.KeyEvent;
-import android.view.IWindowManager;
 import android.view.WindowManagerGlobal;
 
 import com.android.internal.logging.MetricsLogger;
@@ -56,6 +55,8 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
     private static final String KEY_MENU_LONG_PRESS = "hardware_keys_menu_long_press";
     private static final String KEY_VOLUME_KEY_CURSOR_CONTROL = "volume_key_cursor_control";
     private static final String DISABLE_NAV_KEYS = "disable_nav_keys";
+    private static final String KEY_POWER_END_CALL = "power_end_call";
+    private static final String KEY_HOME_ANSWER_CALL = "home_answer_call";
 
     private static final String CATEGORY_POWER = "power_key";
     private static final String CATEGORY_HOME = "home_key";
@@ -94,11 +95,13 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
     private ListPreference mMenuPressAction;
     private ListPreference mMenuLongPressAction;
     private ListPreference mVolumeKeyCursorControl;
+    private CheckBoxPreference mDisableNavigationKeys;
+    private CheckBoxPreference mPowerEndCall;
+    private CheckBoxPreference mHomeAnswerCall;
 
     private PreferenceCategory mNavigationPreferencesCat;
 
     private Handler mHandler;
-    private CheckBoxPreference mDisableNavigationKeys;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -119,6 +122,8 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
         final boolean hasAssistKey = (deviceKeys & KEY_MASK_ASSIST) != 0;
 
         boolean hasAnyBindableKey = false;
+        final PreferenceCategory powerCategory =
+                (PreferenceCategory) prefScreen.findPreference(CATEGORY_POWER);
         final PreferenceCategory homeCategory =
                 (PreferenceCategory) prefScreen.findPreference(CATEGORY_HOME);
         final PreferenceCategory menuCategory =
@@ -126,6 +131,12 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
         final PreferenceCategory volumeCategory =
                 (PreferenceCategory) prefScreen.findPreference(CATEGORY_VOLUME);
 
+        // Power button ends calls.
+        mPowerEndCall = (CheckBoxPreference) findPreference(KEY_POWER_END_CALL);
+
+        // Home button answers calls.
+        mHomeAnswerCall = (CheckBoxPreference) findPreference(KEY_HOME_ANSWER_CALL);
+
         mHandler = new Handler();
 
         // Force Navigation bar related options
@@ -151,11 +162,25 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
             prefScreen.removePreference(mDisableNavigationKeys);
         }
 
+        if (hasPowerKey) {
+            if (!Utils.isVoiceCapable(getActivity())) {
+                powerCategory.removePreference(mPowerEndCall);
+                mPowerEndCall = null;
+            }
+        } else {
+            prefScreen.removePreference(powerCategory);
+        }
+
         if (hasHomeKey) {
             if (!res.getBoolean(R.bool.config_show_homeWake)) {
                 homeCategory.removePreference(findPreference(Settings.System.HOME_WAKE_SCREEN));
             }
 
+            if (!Utils.isVoiceCapable(getActivity())) {
+                homeCategory.removePreference(mHomeAnswerCall);
+                mHomeAnswerCall = null;
+            }
+
             int defaultLongPressAction = res.getInteger(
                     com.android.internal.R.integer.config_longPressOnHomeBehavior);
             if (defaultLongPressAction < ACTION_NOTHING ||
@@ -210,6 +235,31 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
         }
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        // Power button ends calls.
+        if (mPowerEndCall != null) {
+            final int incallPowerBehavior = Settings.Secure.getInt(getContentResolver(),
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT);
+            final boolean powerButtonEndsCall =
+                    (incallPowerBehavior == Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP);
+            mPowerEndCall.setChecked(powerButtonEndsCall);
+        }
+
+        // Home button answers calls.
+        if (mHomeAnswerCall != null) {
+            final int incallHomeBehavior = Settings.Secure.getInt(getContentResolver(),
+                    Settings.Secure.RING_HOME_BUTTON_BEHAVIOR,
+                    Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_DEFAULT);
+            final boolean homeButtonAnswersCall =
+                (incallHomeBehavior == Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_ANSWER);
+            mHomeAnswerCall.setChecked(homeButtonAnswersCall);
+        }
+    }
+
     private ListPreference initActionList(String key, int value) {
         ListPreference list = (ListPreference) getPreferenceScreen().findPreference(key);
         list.setValue(Integer.toString(value));
@@ -334,8 +384,28 @@ public class ButtonSettings extends SettingsPreferenceFragment implements
         if (preference == mDisableNavigationKeys) {
             writeDisableNavkeysOption(getActivity(), mDisableNavigationKeys.isChecked());
             updateDisableNavkeysOption();
+        } else if (preference == mPowerEndCall) {
+            handleTogglePowerButtonEndsCallPreferenceClick();
+            return true;
+        } else if (preference == mHomeAnswerCall) {
+            handleToggleHomeButtonAnswersCallPreferenceClick();
+            return true;
         }
 
         return super.onPreferenceTreeClick(preferenceScreen, preference);
     }
+
+    private void handleTogglePowerButtonEndsCallPreferenceClick() {
+        Settings.Secure.putInt(getContentResolver(),
+                Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR, (mPowerEndCall.isChecked()
+                        ? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
+                        : Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF));
+    }
+
+    private void handleToggleHomeButtonAnswersCallPreferenceClick() {
+        Settings.Secure.putInt(getContentResolver(),
+                Settings.Secure.RING_HOME_BUTTON_BEHAVIOR, (mHomeAnswerCall.isChecked()
+                        ? Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_ANSWER
+                        : Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_DO_NOTHING));
+    }
 }