CEC: Handle <Set Menu Language> message on playback devices
Bug: 16819131, Bug: 21505123
Change-Id: I3dc6439c13c2ebe5591d9e27c0c86419ed440f9b
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
index 77b800e..7999321 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java
@@ -246,6 +246,8 @@
return handleRequestActiveSource(message);
case Constants.MESSAGE_GET_MENU_LANGUAGE:
return handleGetMenuLanguage(message);
+ case Constants.MESSAGE_SET_MENU_LANGUAGE:
+ return handleSetMenuLanguage(message);
case Constants.MESSAGE_GIVE_PHYSICAL_ADDRESS:
return handleGivePhysicalAddress();
case Constants.MESSAGE_GIVE_OSD_NAME:
@@ -377,6 +379,14 @@
}
@ServiceThreadOnly
+ protected boolean handleSetMenuLanguage(HdmiCecMessage message) {
+ assertRunOnServiceThread();
+ Slog.w(TAG, "Only Playback device can handle <Set Menu Language>:" + message.toString());
+ // 'return false' will cause to reply with <Feature Abort>.
+ return false;
+ }
+
+ @ServiceThreadOnly
protected boolean handleGiveOsdName(HdmiCecMessage message) {
assertRunOnServiceThread();
// Note that since this method is called after logical address allocation is done,
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
index 30a9b43..493471b 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java
@@ -26,9 +26,14 @@
import android.provider.Settings.Global;
import android.util.Slog;
+import com.android.internal.app.LocalePicker;
+import com.android.internal.app.LocalePicker.LocaleInfo;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.hdmi.HdmiAnnotations.ServiceThreadOnly;
+import java.io.UnsupportedEncodingException;
+import java.util.List;
+
/**
* Represent a logical device of type Playback residing in Android system.
*/
@@ -306,6 +311,35 @@
return true; // Broadcast message.
}
+ @ServiceThreadOnly
+ protected boolean handleSetMenuLanguage(HdmiCecMessage message) {
+ assertRunOnServiceThread();
+
+ try {
+ String iso3Language = new String(message.getParams(), 0, 3, "US-ASCII");
+
+ // Don't use Locale.getAvailableLocales() since it returns a locale
+ // which is not available on Settings.
+ final List<LocaleInfo> localeInfos = LocalePicker.getAllAssetLocales(
+ mService.getContext(), false);
+ for (LocaleInfo localeInfo : localeInfos) {
+ if (localeInfo.getLocale().getISO3Language().equals(iso3Language)) {
+ // WARNING: CEC adopts ISO/FDIS-2 for language code, while Android requires
+ // additional country variant to pinpoint the locale. This keeps the right
+ // locale from being chosen. 'eng' in the CEC command, for instance,
+ // will always be mapped to en-AU among other variants like en-US, en-GB,
+ // an en-IN, which may not be the expected one.
+ LocalePicker.updateLocale(localeInfo.getLocale());
+ return true;
+ }
+ }
+ Slog.w(TAG, "Can't handle <Set Menu Language> of " + iso3Language);
+ return false;
+ } catch (UnsupportedEncodingException e) {
+ return false;
+ }
+ }
+
@Override
@ServiceThreadOnly
protected void sendStandby(int deviceId) {
