Updating IME tile with proper subtype name.

Change-Id: Ie7fed20873f51e3b2b4def14532df00d71762418

Author: Winson Chung

packages/SystemUI/res/values/strings.xml

@@ -410,7 +410,7 @@
     <!-- QuickSettings: Brightness [CHAR LIMIT=NONE] -->
     <string name="quick_settings_brightness_label">Brightness</string>
     <!-- QuickSettings: IME [CHAR LIMIT=NONE] -->
-    <string name="quick_settings_ime_label">IME</string>
+    <string name="quick_settings_ime_label">Input Method</string>
     <!-- QuickSettings: Location [CHAR LIMIT=NONE] -->
     <string name="quick_settings_location_label">Location in use</string>
     <!-- QuickSettings: Media device [CHAR LIMIT=NONE] -->

packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java

@@ -411,6 +411,10 @@ public void onClick(View v) {
         mModel.addImeTile(imeTile, new QuickSettingsModel.RefreshCallback() {
             @Override
             public void refreshView(QuickSettingsTileView view, State state) {
+                TextView tv = (TextView) view.findViewById(R.id.ime_textview);
+                if (state.label != null) {
+                    tv.setText(state.label);
+                }
                 view.setVisibility(state.enabled ? View.VISIBLE : View.GONE);
             }
         });

packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java

@@ -29,13 +29,19 @@
 import android.hardware.display.WifiDisplayStatus;
 import android.os.Handler;
 import android.provider.Settings;
+import android.text.TextUtils;
 import android.view.View;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodManager;
+import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.systemui.R;
 import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
 import com.android.systemui.statusbar.policy.LocationController.LocationGpsStateChangeCallback;
 import com.android.systemui.statusbar.policy.NetworkController.NetworkSignalChangedCallback;
 
+import java.util.List;
+
 
 class QuickSettingsModel implements BluetoothStateChangeCallback,
         NetworkSignalChangedCallback,
@@ -338,8 +344,32 @@ void addImeTile(QuickSettingsTileView view, RefreshCallback cb) {
         mImeCallback.refreshView(mImeTile, mImeState);
     }
     void onImeWindowStatusChanged(boolean visible) {
+        InputMethodManager imm =
+                (InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
+        List<InputMethodInfo> imis = imm.getInputMethodList();
+
         mImeState.enabled = visible;
+        mImeState.label = getCurrentInputMethodName(mContext, mContext.getContentResolver(),
+                imm, imis, mContext.getPackageManager());
         mImeCallback.refreshView(mImeTile, mImeState);
     }
+    private static String getCurrentInputMethodName(Context context, ContentResolver resolver,
+            InputMethodManager imm, List<InputMethodInfo> imis, PackageManager pm) {
+        if (resolver == null || imis == null) return null;
+        final String currentInputMethodId = Settings.Secure.getString(resolver,
+                Settings.Secure.DEFAULT_INPUT_METHOD);
+        if (TextUtils.isEmpty(currentInputMethodId)) return null;
+        for (InputMethodInfo imi : imis) {
+            if (currentInputMethodId.equals(imi.getId())) {
+                final InputMethodSubtype subtype = imm.getCurrentInputMethodSubtype();
+                final CharSequence summary = subtype != null
+                        ? subtype.getDisplayName(context, imi.getPackageName(),
+                                imi.getServiceInfo().applicationInfo)
+                        : context.getString(R.string.quick_settings_ime_label);
+                return summary.toString();
+            }
+        }
+        return null;
+    }
 
 }