Merge commit 'goog/master'

Conflicts:
	native/Android.mk
diff --git a/java/Android.mk b/java/Android.mk
index 4bb8986..97c906f 100755
--- a/java/Android.mk
+++ b/java/Android.mk
@@ -5,15 +5,18 @@
 
 LOCAL_SRC_FILES := $(call all-subdir-java-files)
 
-LOCAL_PACKAGE_NAME := LatinIME
+LOCAL_PACKAGE_NAME := LatinIme2Google
 
 LOCAL_CERTIFICATE := shared
 
-LOCAL_JNI_SHARED_LIBRARIES := libjni_latinime
+LOCAL_JNI_SHARED_LIBRARIES := libjni_latinime2
 
 LOCAL_STATIC_JAVA_LIBRARIES := android-common
 
 #LOCAL_AAPT_FLAGS := -0 .dict
+# The following flag is required because we use a different package name
+# com.google.android.inputmethod.latin2 in the LatinIME sandbox.
+LOCAL_AAPT_FLAGS := --custom-package com.android.inputmethod.latin
 
 LOCAL_SDK_VERSION := current
 
diff --git a/java/AndroidManifest.xml b/java/AndroidManifest.xml
index e229bc7..d33016a 100755
--- a/java/AndroidManifest.xml
+++ b/java/AndroidManifest.xml
@@ -1,7 +1,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-        package="com.android.inputmethod.latin">
+        package="com.google.android.inputmethod.latin2">
 
-    <original-package android:name="com.android.inputmethod.latin" />
+    <!-- Do not override the default LatinIME for now -->
+    <!-- original-package android:name="com.android.inputmethod.latin" / -->
 
     <uses-permission android:name="android.permission.VIBRATE"/>
     <uses-permission android:name="android.permission.READ_USER_DICTIONARY" />
@@ -10,10 +11,10 @@
     <uses-permission android:name="android.permission.READ_CONTACTS" />
 
     <application android:label="@string/english_ime_name"
-            android:backupAgent="LatinIMEBackupAgent"
+            android:backupAgent="com.android.inputmethod.latin.LatinIMEBackupAgent"
             android:killAfterRestore="false">
 
-        <service android:name="LatinIME"
+        <service android:name="com.android.inputmethod.latin.LatinIME"
                 android:label="@string/english_ime_name"
                 android:permission="android.permission.BIND_INPUT_METHOD">
             <intent-filter>
@@ -22,13 +23,13 @@
             <meta-data android:name="android.view.im" android:resource="@xml/method" />
         </service>
 
-        <activity android:name="LatinIMESettings" android:label="@string/english_ime_settings">
+        <activity android:name="com.android.inputmethod.latin.LatinIMESettings" android:label="@string/english_ime_settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
             </intent-filter>
         </activity>
 
-        <activity android:name="InputLanguageSelection"
+        <activity android:name="com.android.inputmethod.latin.InputLanguageSelection"
                 android:label="@string/language_selection_title">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
diff --git a/java/res/values-ja/strings.xml b/java/res/values-ja/strings.xml
index 7867684..f77cb21 100644
--- a/java/res/values-ja/strings.xml
+++ b/java/res/values-ja/strings.xml
@@ -20,8 +20,8 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="english_ime_name" msgid="7252517407088836577">"Androidキーボード"</string>
-    <string name="english_ime_settings" msgid="6661589557206947774">"Androidキーボードの設定"</string>
+    <string name="english_ime_name" msgid="7252517407088836577">"Androidキーボード 2"</string>
+    <string name="english_ime_settings" msgid="6661589557206947774">"Androidキーボード 2 の設定"</string>
     <string name="vibrate_on_keypress" msgid="5258079494276955460">"キー操作バイブ"</string>
     <string name="sound_on_keypress" msgid="6093592297198243644">"キー操作音"</string>
     <string name="hit_correction" msgid="4855351009261318389">"入力ミス補正"</string>
diff --git a/java/res/values-zh-rCN/strings.xml b/java/res/values-zh-rCN/strings.xml
index 9c9b257..b0a0781 100644
--- a/java/res/values-zh-rCN/strings.xml
+++ b/java/res/values-zh-rCN/strings.xml
@@ -20,8 +20,8 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="english_ime_name" msgid="7252517407088836577">"Android 键盘"</string>
-    <string name="english_ime_settings" msgid="6661589557206947774">"Android 键盘设置"</string>
+    <string name="english_ime_name" msgid="7252517407088836577">"Android 键盘 2"</string>
+    <string name="english_ime_settings" msgid="6661589557206947774">"Android 键盘 2 设置"</string>
     <string name="vibrate_on_keypress" msgid="5258079494276955460">"按键时振动"</string>
     <string name="sound_on_keypress" msgid="6093592297198243644">"按键时播放音效"</string>
     <string name="hit_correction" msgid="4855351009261318389">"纠正输入错误"</string>
diff --git a/java/res/values-zh-rTW/strings.xml b/java/res/values-zh-rTW/strings.xml
index 4f83be4..89b2eac 100644
--- a/java/res/values-zh-rTW/strings.xml
+++ b/java/res/values-zh-rTW/strings.xml
@@ -20,8 +20,8 @@
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-    <string name="english_ime_name" msgid="7252517407088836577">"Android 鍵盤"</string>
-    <string name="english_ime_settings" msgid="6661589557206947774">"Android 鍵盤設定"</string>
+    <string name="english_ime_name" msgid="7252517407088836577">"Android 鍵盤 2"</string>
+    <string name="english_ime_settings" msgid="6661589557206947774">"Android 鍵盤 2 設定"</string>
     <string name="vibrate_on_keypress" msgid="5258079494276955460">"按鍵時震動"</string>
     <string name="sound_on_keypress" msgid="6093592297198243644">"按鍵時播放音效"</string>
     <string name="hit_correction" msgid="4855351009261318389">"修正輸入錯誤"</string>
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index 35dd3e0..f1af31c 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -19,9 +19,9 @@
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
     <!-- Title for Latin keyboard  -->
-    <string name="english_ime_name">Android keyboard</string>
+    <string name="english_ime_name">Android keyboard 2</string>
     <!-- Title for Latin keyboard settings activity / dialog -->
-    <string name="english_ime_settings">Android keyboard settings</string>
+    <string name="english_ime_settings">Android keyboard 2 settings</string>
 
     <!-- Option to provide vibrate/haptic feedback on keypress -->
     <string name="vibrate_on_keypress">Vibrate on keypress</string>
diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionary.java b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
index 4901b21..dc5417e 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionary.java
@@ -51,9 +51,9 @@
 
     static {
         try {
-            System.loadLibrary("jni_latinime");
+            System.loadLibrary("jni_latinime2");
         } catch (UnsatisfiedLinkError ule) {
-            Log.e("BinaryDictionary", "Could not load native library jni_latinime");
+            Log.e("BinaryDictionary", "Could not load native library jni_latinime2");
         }
     }
 
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index b4ed80c..1586a75 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -309,6 +309,7 @@
               });
         }
         prefs.registerOnSharedPreferenceChangeListener(this);
+        LatinImeLogger.init(this);
     }
 
     private void initSuggest(String locale) {
@@ -354,6 +355,7 @@
         if (VOICE_INSTALLED) {
             mVoiceInput.destroy();
         }
+        LatinImeLogger.commit();
         super.onDestroy();
     }
 
@@ -937,6 +939,7 @@
             case Keyboard.KEYCODE_DELETE:
                 handleBackspace();
                 mDeleteCount++;
+                LatinImeLogger.logOnDelete(1);
                 break;
             case Keyboard.KEYCODE_SHIFT:
                 handleShift();
@@ -982,6 +985,7 @@
                 } else {
                     handleCharacter(primaryCode, keyCodes);
                 }
+                LatinImeLogger.logOnInputChar(1);
                 // Cancel the just reverted state
                 mJustRevertedSeparator = null;
         }
diff --git a/java/src/com/android/inputmethod/latin/LatinImeLogger.java b/java/src/com/android/inputmethod/latin/LatinImeLogger.java
new file mode 100644
index 0000000..a04e1cf
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/LatinImeLogger.java
@@ -0,0 +1,318 @@
+/*
+ * 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.inputmethod.latin;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.DropBoxManager;
+import android.preference.PreferenceManager;
+import android.text.format.DateUtils;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+public class LatinImeLogger implements SharedPreferences.OnSharedPreferenceChangeListener {
+    private static final String TAG = "LatinIMELogs";
+    private static final boolean DBG = false;
+    // DEFAULT_LOG_ENABLED should be false when released to public.
+    private static final boolean DEFAULT_LOG_ENABLED = true;
+
+    private static final long MINIMUMSENDINTERVAL = 60 * DateUtils.SECOND_IN_MILLIS; // 60 sec
+    private static final long MINIMUMCOUNTINTERVAL = 20 * DateUtils.SECOND_IN_MILLIS; // 20 sec
+    private static final char SEPARATER = ';';
+    private static final int ID_CLICKSUGGESTION = 0;
+    private static final int ID_AUTOSUGGESTION = 1;
+    private static final int ID_AUTOSUGGESTIONCANCELED = 2;
+    private static final int ID_INPUT_COUNT = 3;
+    private static final int ID_DELETE_COUNT = 4;
+    private static final int ID_WORD_COUNT = 5;
+
+    private static final String PREF_ENABLE_LOG = "enable_log";
+
+    private static LatinImeLogger sLatinImeLogger = new LatinImeLogger();
+    public static boolean sLogEnabled = true;
+
+    private ArrayList<LogEntry> mLogBuffer = null;
+    private ArrayList<LogEntry> mPrivacyLogBuffer = null;
+    private Context mContext = null;
+    private DropBoxManager mDropBox = null;
+    private long mLastTimeActive;
+    private long mLastTimeSend;
+    private long mLastTimeCountEntry;
+
+    private int mDeleteCount;
+    private int mInputCount;
+    private int mWordCount;
+
+    private static class LogEntry implements Comparable<LogEntry> {
+        public final int mTag;
+        public final String[] mData;
+        public long mTime;
+
+        public LogEntry (long time, int tag, String[] data) {
+            mTag = tag;
+            mTime = time;
+            mData = data;
+        }
+
+        public int compareTo(LogEntry log2) {
+            if (mData.length == 0 && log2.mData.length == 0) {
+                return 0;
+            } else if (mData.length == 0) {
+                return 1;
+            } else if (log2.mData.length == 0) {
+                return -1;
+            }
+            return log2.mData[0].compareTo(mData[0]);
+        }
+    }
+
+    private void initInternal(Context context) {
+        mContext = context;
+        mDropBox = (DropBoxManager) mContext.getSystemService(Context.DROPBOX_SERVICE);
+        mLastTimeSend = System.currentTimeMillis();
+        mLastTimeActive = mLastTimeSend;
+        mLastTimeCountEntry = mLastTimeSend;
+        mDeleteCount = 0;
+        mInputCount = 0;
+        mLogBuffer = new ArrayList<LogEntry>();
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        sLogEnabled = prefs.getBoolean(PREF_ENABLE_LOG, DEFAULT_LOG_ENABLED);
+        prefs.registerOnSharedPreferenceChangeListener(this);
+    }
+
+    /**
+     * Clear all logged data
+     */
+    private void reset() {
+        mDeleteCount = 0;
+        mInputCount = 0;
+        mLogBuffer.clear();
+    }
+
+    /**
+     * Check if the input string is safe as an entry or not.
+     */
+    private static boolean checkStringDataSafe(String s) {
+        for (int i = 0; i < s.length(); ++i) {
+            if (!Character.isDigit(s.charAt(i))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static boolean checkStringsDataSafe(String[] strings) {
+        for(String s: strings) {
+            if (!checkStringDataSafe(s)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    private void addCountEntry(long time) {
+        mLogBuffer.add(
+                new LogEntry (time, ID_DELETE_COUNT,
+                        new String[] {String.valueOf(mDeleteCount)}));
+        mLogBuffer.add(new LogEntry (time, ID_INPUT_COUNT,
+                new String[] {String.valueOf(mInputCount)}));
+        mLogBuffer.add(new LogEntry (time, ID_WORD_COUNT,
+                new String[] {String.valueOf(mWordCount)}));
+        mDeleteCount = 0;
+        mInputCount = 0;
+        mWordCount = 0;
+    }
+
+    private void flushPrivacyLogSafely() {
+        long now = System.currentTimeMillis();
+        Collections.sort(mPrivacyLogBuffer);
+        for (LogEntry l: mPrivacyLogBuffer) {
+            l.mTime = now;
+            mLogBuffer.add(l);
+        }
+        mPrivacyLogBuffer.clear();
+    }
+
+    /**
+     * Add an entry
+     * @param tag
+     * @param data
+     */
+    private void addData(int tag, Object data) {
+        switch (tag) {
+            case ID_DELETE_COUNT:
+                if (mLastTimeActive - mLastTimeCountEntry > MINIMUMCOUNTINTERVAL
+                        || (mDeleteCount == 0 && mInputCount == 0)) {
+                    addCountEntry(mLastTimeActive);
+                }
+                mDeleteCount += (Integer)data;
+                break;
+            case ID_INPUT_COUNT:
+                if (mLastTimeActive - mLastTimeCountEntry > MINIMUMCOUNTINTERVAL
+                        || (mDeleteCount == 0 && mInputCount == 0)) {
+                    addCountEntry(mLastTimeActive);
+                }
+                mInputCount += (Integer)data;
+                break;
+            case ID_CLICKSUGGESTION:
+            case ID_AUTOSUGGESTION:
+                ++mWordCount;
+                String[] dataStrings = (String[]) data;
+                if (checkStringsDataSafe(dataStrings)) {
+                    mPrivacyLogBuffer.add(
+                            new LogEntry (System.currentTimeMillis(), tag, dataStrings));
+                } else {
+                    if (DBG) {
+                        Log.d(TAG, "Skipped to add an entry because data is unsafe.");
+                    }
+                }
+                break;
+            case ID_AUTOSUGGESTIONCANCELED:
+                --mWordCount;
+                dataStrings = (String[]) data;
+                if (checkStringsDataSafe(dataStrings)) {
+                    mPrivacyLogBuffer.add(
+                            new LogEntry (System.currentTimeMillis(), tag, dataStrings));
+                } else {
+                    if (DBG) {
+                        Log.d(TAG, "Skipped to add an entry because data is unsafe.");
+                    }
+                }
+                break;
+            default:
+                if (DBG) {
+                    Log.e(TAG, "Log Tag is not entried.");
+                }
+                break;
+        }
+    }
+
+    private void commitInternal() {
+        flushPrivacyLogSafely();
+        addCountEntry(System.currentTimeMillis());
+        String s = LogSerializer.createStringFromEntries(mLogBuffer);
+        if (DBG) {
+            Log.d(TAG, "Commit log: " + s);
+        }
+        mDropBox.addText(TAG, s);
+        reset();
+        mLastTimeSend = System.currentTimeMillis();
+    }
+
+    private void sendLogToDropBox(int tag, Object s) {
+        long now = System.currentTimeMillis();
+        if (DBG) {
+            Log.d(TAG, "SendLog: " + tag + ";" + s + ","
+                    + (now - mLastTimeSend - MINIMUMSENDINTERVAL) );
+        }
+        if (now - mLastTimeActive > MINIMUMSENDINTERVAL) {
+            // Send a log before adding an log entry if the last data is too old.
+            commitInternal();
+            addData(tag, s);
+        } else if (now - mLastTimeSend > MINIMUMSENDINTERVAL) {
+            // Send a log after adding an log entry.
+            addData(tag, s);
+            commitInternal();
+        } else {
+            addData(tag, s);
+        }
+        mLastTimeActive = now;
+    }
+
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if (PREF_ENABLE_LOG.equals(key)) {
+            if (sharedPreferences.getBoolean(key, DEFAULT_LOG_ENABLED)) {
+                sLogEnabled = (mContext != null);
+            } else {
+                sLogEnabled = false;
+            }
+        }
+    }
+
+    public static void init(Context context) {
+        sLatinImeLogger.initInternal(context);
+    }
+
+    public static void commit() {
+        if (sLogEnabled) {
+            sLatinImeLogger.commitInternal();
+        }
+    }
+
+    public static void logOnClickSuggestion(String before, String after, int position) {
+        if (sLogEnabled) {
+            String[] strings = new String[] {before, after, String.valueOf(position)};
+            sLatinImeLogger.sendLogToDropBox(ID_CLICKSUGGESTION, strings);
+        }
+    }
+
+    public static void logOnAutoSuggestion(String before, String after) {
+        if (sLogEnabled) {
+            String[] strings = new String[] {before, after};
+            sLatinImeLogger.sendLogToDropBox(ID_AUTOSUGGESTION, strings);
+        }
+    }
+
+    public static void logOnAutoSuggestionCanceled(String before, String after) {
+        if (sLogEnabled) {
+            String[] strings = new String[] {before, after};
+            sLatinImeLogger.sendLogToDropBox(ID_AUTOSUGGESTIONCANCELED, strings);
+        }
+    }
+
+    public static void logOnDelete(int length) {
+        if (sLogEnabled) {
+            sLatinImeLogger.sendLogToDropBox(ID_DELETE_COUNT, length);
+        }
+    }
+
+    public static void logOnInputChar(int length) {
+        if (sLogEnabled) {
+            sLatinImeLogger.sendLogToDropBox(ID_INPUT_COUNT, length);
+        }
+    }
+
+    private static class LogSerializer {
+        private static void appendWithLength(StringBuffer sb, String data) {
+            sb.append(data.length());
+            sb.append(SEPARATER);
+            sb.append(data);
+            sb.append(SEPARATER);
+        }
+
+        private static void appendLogEntry(StringBuffer sb, String time, String tag, String[] data) {
+            if (data.length > 0) {
+                appendWithLength(sb, String.valueOf(data.length + 2));
+                appendWithLength(sb, time);
+                appendWithLength(sb, tag);
+                for (String s: data) {
+                    appendWithLength(sb, s);
+                }
+            }
+        }
+
+        public static String createStringFromEntries(ArrayList<LogEntry> logs) {
+            StringBuffer sb = new StringBuffer();
+            for (LogEntry log: logs) {
+                appendLogEntry(sb, String.valueOf(log.mTime), String.valueOf(log.mTag), log.mData);
+            }
+            return sb.toString();
+        }
+    }
+}
diff --git a/native/Android.mk b/native/Android.mk
index 0df74c7..5755109 100644
--- a/native/Android.mk
+++ b/native/Android.mk
@@ -11,8 +11,10 @@
 LOCAL_C_INCLUDES += \
 	$(JNI_H_INCLUDE)
 
-LOCAL_MODULE := libjni_latinime
+LOCAL_PRELINK_MODULE := false
 
-LOCAL_MODULE_TAGS := user
+LOCAL_MODULE := libjni_latinime2
+
+LOCAL_MODULE_TAGS := optional
 
 include $(BUILD_SHARED_LIBRARY)