Merge "Bluetooth SCO audio API improvements."
diff --git a/core/java/android/speech/tts/PlaybackSynthesisRequest.java b/core/java/android/speech/tts/PlaybackSynthesisRequest.java
index 6f4c15b..d698b54 100644
--- a/core/java/android/speech/tts/PlaybackSynthesisRequest.java
+++ b/core/java/android/speech/tts/PlaybackSynthesisRequest.java
@@ -18,6 +18,7 @@
 import android.media.AudioFormat;
 import android.media.AudioTrack;
 import android.os.Bundle;
+import android.os.Handler;
 import android.util.Log;
 
 /**
@@ -49,16 +50,20 @@
     private final float mPan;
 
     private final Object mStateLock = new Object();
-    private AudioTrack mAudioTrack = null;
+    private final Handler mAudioTrackHandler;
+    private volatile AudioTrack mAudioTrack = null;
     private boolean mStopped = false;
     private boolean mDone = false;
+    private volatile boolean mWriteErrorOccured;
 
     PlaybackSynthesisRequest(String text, Bundle params,
-            int streamType, float volume, float pan) {
+            int streamType, float volume, float pan, Handler audioTrackHandler) {
         super(text, params);
         mStreamType = streamType;
         mVolume = volume;
         mPan = pan;
+        mAudioTrackHandler = audioTrackHandler;
+        mWriteErrorOccured = false;
     }
 
     @Override
@@ -70,14 +75,28 @@
         }
     }
 
+    // Always guarded by mStateLock.
     private void cleanUp() {
         if (DBG) Log.d(TAG, "cleanUp()");
-        if (mAudioTrack != null) {
-            mAudioTrack.flush();
-            mAudioTrack.stop();
-            mAudioTrack.release();
-            mAudioTrack = null;
+        if (mAudioTrack == null) {
+            return;
         }
+
+        final AudioTrack audioTrack = mAudioTrack;
+        mAudioTrack = null;
+
+        // Clean up on the audiotrack handler thread.
+        //
+        // NOTE: It isn't very clear whether AudioTrack is thread safe.
+        // If it is we can clean up on the current (synthesis) thread.
+        mAudioTrackHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                audioTrack.flush();
+                audioTrack.stop();
+                audioTrack.release();
+            }
+        });
     }
 
     @Override
@@ -146,10 +165,15 @@
             Log.d(TAG, "audioAvailable(byte[" + buffer.length + "],"
                     + offset + "," + length + ")");
         }
-        if (length > getMaxBufferSize()) {
-            throw new IllegalArgumentException("buffer is too large (" + length + " bytes)");
+        if (length > getMaxBufferSize() || length <= 0) {
+            throw new IllegalArgumentException("buffer is too large or of zero length (" +
+                    + length + " bytes)");
         }
         synchronized (mStateLock) {
+            if (mWriteErrorOccured) {
+                if (DBG) Log.d(TAG, "Error writing to audio track, count < 0");
+                return TextToSpeech.ERROR;
+            }
             if (mStopped) {
                 if (DBG) Log.d(TAG, "Request has been aborted.");
                 return TextToSpeech.ERROR;
@@ -158,22 +182,33 @@
                 Log.e(TAG, "audioAvailable(): Not started");
                 return TextToSpeech.ERROR;
             }
-            int playState = mAudioTrack.getPlayState();
-            if (playState == AudioTrack.PLAYSTATE_STOPPED) {
-                if (DBG) Log.d(TAG, "AudioTrack stopped, restarting");
-                mAudioTrack.play();
-            }
-            // TODO: loop until all data is written?
-            if (DBG) Log.d(TAG, "AudioTrack.write()");
-            int count = mAudioTrack.write(buffer, offset, length);
-            if (DBG) Log.d(TAG, "AudioTrack.write() returned " + count);
-            if (count < 0) {
-                Log.e(TAG, "Writing to AudioTrack failed: " + count);
-                cleanUp();
-                return TextToSpeech.ERROR;
-            } else {
-                return TextToSpeech.SUCCESS;
-            }
+            final AudioTrack audioTrack = mAudioTrack;
+            // Sigh, another copy.
+            final byte[] bufferCopy = new byte[length];
+            System.arraycopy(buffer, offset, bufferCopy, 0, length);
+
+            mAudioTrackHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    int playState = audioTrack.getPlayState();
+                    if (playState == AudioTrack.PLAYSTATE_STOPPED) {
+                        if (DBG) Log.d(TAG, "AudioTrack stopped, restarting");
+                        audioTrack.play();
+                    }
+                    // TODO: loop until all data is written?
+                    if (DBG) Log.d(TAG, "AudioTrack.write()");
+                    int count = audioTrack.write(bufferCopy, 0, bufferCopy.length);
+                    // The semantics of this change very slightly. Earlier, we would
+                    // report an error immediately, Now we will return an error on
+                    // the next API call, usually done( ) or another audioAvailable( )
+                    // call.
+                    if (count < 0) {
+                        mWriteErrorOccured = true;
+                    }
+                }
+            });
+
+            return TextToSpeech.SUCCESS;
         }
     }
 
@@ -181,6 +216,10 @@
     public int done() {
         if (DBG) Log.d(TAG, "done()");
         synchronized (mStateLock) {
+            if (mWriteErrorOccured) {
+                if (DBG) Log.d(TAG, "Error writing to audio track, count < 0");
+                return TextToSpeech.ERROR;
+            }
             if (mStopped) {
                 if (DBG) Log.d(TAG, "Request has been aborted.");
                 return TextToSpeech.ERROR;
diff --git a/core/java/android/speech/tts/TextToSpeechService.java b/core/java/android/speech/tts/TextToSpeechService.java
index f32474f..717dde8 100644
--- a/core/java/android/speech/tts/TextToSpeechService.java
+++ b/core/java/android/speech/tts/TextToSpeechService.java
@@ -51,6 +51,7 @@
     private static final String SYNTH_THREAD_NAME = "SynthThread";
 
     private SynthHandler mSynthHandler;
+    private Handler mAudioTrackHandler;
 
     private CallbackMap mCallbacks;
 
@@ -63,6 +64,10 @@
         synthThread.start();
         mSynthHandler = new SynthHandler(synthThread.getLooper());
 
+        HandlerThread audioTrackThread = new HandlerThread("TTS.audioTrackThread");
+        audioTrackThread.start();
+        mAudioTrackHandler = new Handler(audioTrackThread.getLooper());
+
         mCallbacks = new CallbackMap();
 
         // Load default language
@@ -75,6 +80,7 @@
 
         // Tell the synthesizer to stop
         mSynthHandler.quit();
+        mAudioTrackHandler.getLooper().quit();
 
         // Unregister all callbacks.
         mCallbacks.kill();
@@ -444,7 +450,7 @@
 
         protected SynthesisRequest createSynthesisRequest() {
             return new PlaybackSynthesisRequest(mText, mParams,
-                    getStreamType(), getVolume(), getPan());
+                    getStreamType(), getVolume(), getPan(), mAudioTrackHandler);
         }
 
         private void setRequestParams(SynthesisRequest request) {
diff --git a/core/java/android/webkit/WebSettings.java b/core/java/android/webkit/WebSettings.java
index b0b16bb..66fcc27 100644
--- a/core/java/android/webkit/WebSettings.java
+++ b/core/java/android/webkit/WebSettings.java
@@ -360,10 +360,9 @@
     }
 
     // User agent strings.
-    private static final String DESKTOP_USERAGENT =
-            "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_7; en-us)"
-            + " AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0"
-            + " Safari/530.17";
+    private static final String DESKTOP_USERAGENT = "Mozilla/5.0 (X11; " +
+        "Linux x86_64) AppleWebKit/534.24 (KHTML, like Gecko) " +
+        "Chrome/11.0.696.34 Safari/534.24";
     private static final String IPHONE_USERAGENT =
             "Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us)"
             + " AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0"
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index ccb3518..7f4cc81 100755
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -1852,7 +1852,7 @@
 
     <!-- Do not translate.  WebView User Agent string -->
     <string name="web_user_agent" translatable="false">Mozilla/5.0 (Linux; U; <xliff:g id="x">Android %s</xliff:g>)
-        AppleWebKit/534.16 (KHTML, like Gecko) Version/4.0 <xliff:g id="mobile">%s</xliff:g>Safari/534.16</string>
+        AppleWebKit/534.20 (KHTML, like Gecko) Version/4.0 <xliff:g id="mobile">%s</xliff:g>Safari/534.20</string>
     <!-- Do not translate.  WebView User Agent targeted content -->
     <string name="web_user_agent_target_content" translatable="false">"Mobile "</string>
 
diff --git a/telephony/java/com/android/internal/telephony/cat/CatService.java b/telephony/java/com/android/internal/telephony/cat/CatService.java
index 33cc97e..fb53686 100644
--- a/telephony/java/com/android/internal/telephony/cat/CatService.java
+++ b/telephony/java/com/android/internal/telephony/cat/CatService.java
@@ -32,6 +32,7 @@
 
 
 import java.io.ByteArrayOutputStream;
+import java.util.Locale;
 
 /**
  * Enumeration for representing the tag value of COMPREHENSION-TLV objects. If
@@ -273,8 +274,20 @@
                 sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null);
                 break;
             case PROVIDE_LOCAL_INFORMATION:
-                sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null);
-                return;
+                ResponseData resp;
+                switch (cmdParams.cmdDet.commandQualifier) {
+                    case CommandParamsFactory.DTTZ_SETTING:
+                        resp = new DTTZResponseData(null);
+                        sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, resp);
+                        break;
+                    case CommandParamsFactory.LANGUAGE_SETTING:
+                        resp = new LanguageResponseData(Locale.getDefault().getLanguage());
+                        sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, resp);
+                        break;
+                    default:
+                        sendTerminalResponse(cmdParams.cmdDet, ResultCode.OK, false, 0, null);
+                        return;
+                }
             case LAUNCH_BROWSER:
             case SELECT_ITEM:
             case GET_INPUT:
diff --git a/telephony/java/com/android/internal/telephony/cat/CommandParamsFactory.java b/telephony/java/com/android/internal/telephony/cat/CommandParamsFactory.java
index 12204a0..686fe46 100644
--- a/telephony/java/com/android/internal/telephony/cat/CommandParamsFactory.java
+++ b/telephony/java/com/android/internal/telephony/cat/CommandParamsFactory.java
@@ -53,6 +53,7 @@
     static final int REFRESH_UICC_RESET                     = 0x04;
 
     // Command Qualifier values for PLI command
+    static final int DTTZ_SETTING                           = 0x03;
     static final int LANGUAGE_SETTING                       = 0x04;
 
     static synchronized CommandParamsFactory getInstance(RilMessageDecoder caller,
@@ -883,6 +884,10 @@
             throws ResultException {
         CatLog.d(this, "process ProvideLocalInfo");
         switch (cmdDet.commandQualifier) {
+            case DTTZ_SETTING:
+                CatLog.d(this, "PLI [DTTZ_SETTING]");
+                mCmdParams = new CommandParams(cmdDet);
+                break;
             case LANGUAGE_SETTING:
                 CatLog.d(this, "PLI [LANGUAGE_SETTING]");
                 mCmdParams = new CommandParams(cmdDet);
diff --git a/telephony/java/com/android/internal/telephony/cat/ResponseData.java b/telephony/java/com/android/internal/telephony/cat/ResponseData.java
index 95f0399..55a2b63 100644
--- a/telephony/java/com/android/internal/telephony/cat/ResponseData.java
+++ b/telephony/java/com/android/internal/telephony/cat/ResponseData.java
@@ -18,6 +18,8 @@
 
 import com.android.internal.telephony.EncodeException;
 import com.android.internal.telephony.GsmAlphabet;
+import java.util.Calendar;
+import com.android.internal.telephony.cat.AppInterface.CommandType;
 
 import java.io.ByteArrayOutputStream;
 import java.io.UnsupportedEncodingException;
@@ -147,4 +149,109 @@
     }
 }
 
+// For "PROVIDE LOCAL INFORMATION" command.
+// See TS 31.111 section 6.4.15/ETSI TS 102 223
+// TS 31.124 section 27.22.4.15 for test spec
+class LanguageResponseData extends ResponseData {
+    private String lang;
+
+    public LanguageResponseData(String lang) {
+        super();
+        this.lang = lang;
+    }
+
+    @Override
+    public void format(ByteArrayOutputStream buf) {
+        if (buf == null) {
+            return;
+        }
+
+        // Text string object
+        int tag = 0x80 | ComprehensionTlvTag.LANGUAGE.value();
+        buf.write(tag); // tag
+
+        byte[] data;
+
+        if (lang != null && lang.length() > 0) {
+            data = GsmAlphabet.stringToGsm8BitPacked(lang);
+        }
+        else {
+            data = new byte[0];
+        }
+
+        buf.write(data.length);
+
+        for (byte b : data) {
+            buf.write(b);
+        }
+    }
+}
+
+// For "PROVIDE LOCAL INFORMATION" command.
+// See TS 31.111 section 6.4.15/ETSI TS 102 223
+// TS 31.124 section 27.22.4.15 for test spec
+class DTTZResponseData extends ResponseData {
+    private Calendar calendar;
+
+    public DTTZResponseData(Calendar cal) {
+        super();
+        calendar = cal;
+    }
+
+    @Override
+    public void format(ByteArrayOutputStream buf) {
+        if (buf == null) {
+            return;
+        }
+
+        // DTTZ object
+        int tag = 0x80 | CommandType.PROVIDE_LOCAL_INFORMATION.value();
+        buf.write(tag); // tag
+
+        byte[] data = new byte[8];
+        byte btmp; // temp variable
+
+        data[0] = 0x07; // Write length of DTTZ data
+
+        if (calendar == null) {
+            calendar = Calendar.getInstance();
+        }
+        // Fill year byte
+        btmp = (byte) (calendar.get(java.util.Calendar.YEAR) % 100);
+        data[1] = (byte) (btmp / 10);
+        data[1] += (byte) ((btmp % 10) << 4);
+
+        // Fill month byte
+        btmp = (byte) (calendar.get(java.util.Calendar.MONTH) + 1);
+        data[2] = (byte) (btmp / 10);
+        data[2] += (byte) ((btmp % 10) << 4);
+
+        // Fill day byte
+        btmp = (byte) (calendar.get(java.util.Calendar.DATE));
+        data[3] = (byte) (btmp / 10);
+        data[3] += (byte) ((btmp % 10) << 4);
+
+        // Fill hour byte
+        btmp = (byte) (calendar.get(java.util.Calendar.HOUR_OF_DAY));
+        data[4] = (byte) (btmp / 10);
+        data[4] += (byte) ((btmp % 10) << 4);
+
+        // Fill minute byte
+        btmp = (byte) (calendar.get(java.util.Calendar.MINUTE));
+        data[5] = (byte) (btmp / 10);
+        data[5] += (byte) ((btmp % 10) << 4);
+
+        // Fill second byte
+        btmp = (byte) (calendar.get(java.util.Calendar.SECOND));
+        data[6] = (byte) (btmp / 10);
+        data[6] += (byte) ((btmp % 10) << 4);
+
+        // No time zone info
+        data[7] = (byte) 0xFF;
+
+        for (byte b : data) {
+            buf.write(b);
+        }
+    }
+}
 
diff --git a/wifi/java/android/net/wifi/WifiStateMachine.java b/wifi/java/android/net/wifi/WifiStateMachine.java
index 134f29f..bd6da64 100644
--- a/wifi/java/android/net/wifi/WifiStateMachine.java
+++ b/wifi/java/android/net/wifi/WifiStateMachine.java
@@ -491,7 +491,7 @@
         mNetworkInfo.setIsAvailable(false);
         mLinkProperties.clear();
         mLastBssid = null;
-        mLastNetworkId = -1;
+        mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
         mLastSignalLevel = -1;
 
         mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE);
@@ -837,11 +837,12 @@
     }
 
     public void connectNetwork(WifiConfiguration wifiConfig) {
-        /* arg1 is used to indicate netId, force a netId value of -1 when
-         * we are passing a configuration since the default value of
-         * 0 is a valid netId
+        /* arg1 is used to indicate netId, force a netId value of
+         * WifiConfiguration.INVALID_NETWORK_ID when we are passing
+         * a configuration since the default value of 0 is a valid netId
          */
-        sendMessage(obtainMessage(CMD_CONNECT_NETWORK, -1, 0, wifiConfig));
+        sendMessage(obtainMessage(CMD_CONNECT_NETWORK, WifiConfiguration.INVALID_NETWORK_ID,
+                0, wifiConfig));
     }
 
     public void saveNetwork(WifiConfiguration wifiConfig) {
@@ -1445,7 +1446,7 @@
         mWifiInfo.setInetAddress(null);
         mWifiInfo.setBSSID(null);
         mWifiInfo.setSSID(null);
-        mWifiInfo.setNetworkId(-1);
+        mWifiInfo.setNetworkId(WifiConfiguration.INVALID_NETWORK_ID);
         mWifiInfo.setRssi(MIN_RSSI);
         mWifiInfo.setLinkSpeed(-1);
 
@@ -1457,7 +1458,7 @@
         mLinkProperties.clear();
 
         mLastBssid= null;
-        mLastNetworkId = -1;
+        mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
 
     }
 
@@ -2050,7 +2051,7 @@
                     mWpsStateMachine.sendMessage(CMD_RESET_WPS_STATE);
                     /* Initialize data structures */
                     mLastBssid = null;
-                    mLastNetworkId = -1;
+                    mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID;
                     mLastSignalLevel = -1;
 
                     mWifiInfo.setMacAddress(WifiNative.getMacAddressCommand());
@@ -2545,7 +2546,10 @@
                     // Network id is only valid when we start connecting
                     if (SupplicantState.isConnecting(state)) {
                         mWifiInfo.setNetworkId(stateChangeResult.networkId);
+                    } else {
+                        mWifiInfo.setNetworkId(WifiConfiguration.INVALID_NETWORK_ID);
                     }
+
                     if (state == SupplicantState.ASSOCIATING) {
                         /* BSSID is valid only in ASSOCIATING state */
                         mWifiInfo.setBSSID(stateChangeResult.BSSID);