修改Cocos2dxHelper来过滤editbox的表情输入

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package org.cocos2dx.lib;

import java.io.UnsupportedEncodingException;
import java.util.Locale;
import java.util.LinkedHashSet;
import java.util.Set;
import java.lang.Runnable;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.res.AssetManager;
import android.net.Uri;
import android.os.Build;
import android.preference.PreferenceManager.OnActivityResultListener;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;

public class Cocos2dxHelper {
    // ===========================================================
    // Constants
    // ===========================================================
    private static final String PREFS_NAME = "Cocos2dxPrefsFile";
    private static final int RUNNABLES_PER_FRAME = 5;

    // ===========================================================
    // Fields
    // ===========================================================

    private static Cocos2dxMusic sCocos2dMusic;
    private static Cocos2dxSound sCocos2dSound;
    private static AssetManager sAssetManager;
    private static Cocos2dxAccelerometer sCocos2dxAccelerometer;
    private static boolean sAccelerometerEnabled;
    private static boolean sActivityVisible;
    private static String sPackageName;
    private static String sFileDirectory;
    private static Activity sActivity = null;
    private static Cocos2dxHelperListener sCocos2dxHelperListener;
    private static Set<OnActivityResultListener> onActivityResultListeners = new LinkedHashSet<OnActivityResultListener>();


    // ===========================================================
    // Constructors
    // ===========================================================

    public static void runOnGLThread(final Runnable r) {
        ((Cocos2dxActivity)sActivity).runOnGLThread(r);
    }

    private static boolean sInited = false;
    public static void init(final Activity activity) {
        if (!sInited) {
            final ApplicationInfo applicationInfo = activity.getApplicationInfo();
            
            Cocos2dxHelper.sCocos2dxHelperListener = (Cocos2dxHelperListener)activity;
                    
            Cocos2dxHelper.sPackageName = applicationInfo.packageName;
            Cocos2dxHelper.sFileDirectory = activity.getFilesDir().getAbsolutePath();
            Cocos2dxHelper.nativeSetApkPath(applicationInfo.sourceDir);
    
            Cocos2dxHelper.sCocos2dxAccelerometer = new Cocos2dxAccelerometer(activity);
            Cocos2dxHelper.sCocos2dMusic = new Cocos2dxMusic(activity);
            Cocos2dxHelper.sCocos2dSound = new Cocos2dxSound(activity);
            Cocos2dxHelper.sAssetManager = activity.getAssets();
            Cocos2dxHelper.nativeSetContext((Context)activity,Cocos2dxHelper.sAssetManager);
    
            Cocos2dxBitmap.setContext(activity);
            sActivity = activity;

            sInited = true;

        }
    }
    
    public static Activity getActivity() {
        return sActivity;
    }
    
    public static void addOnActivityResultListener(OnActivityResultListener listener) {
        onActivityResultListeners.add(listener);
    }
    
    public static Set<OnActivityResultListener> getOnActivityResultListeners() {
        return onActivityResultListeners;
    }
    
    public static boolean isActivityVisible(){
        return sActivityVisible;
    }

    // ===========================================================
    // Getter & Setter
    // ===========================================================

    // ===========================================================
    // Methods for/from SuperClass/Interfaces
    // ===========================================================

    // ===========================================================
    // Methods
    // ===========================================================

    private static native void nativeSetApkPath(final String pApkPath);

    private static native void nativeSetEditTextDialogResult(final byte[] pBytes);

    private static native void nativeSetContext(final Context pContext,final AssetManager pAssetManager);

    public static String getCocos2dxPackageName() {
        return Cocos2dxHelper.sPackageName;
    }

    public static String getCocos2dxWritablePath() {
        return Cocos2dxHelper.sFileDirectory;
    }

    public static String getCurrentLanguage() {
        return Locale.getDefault().getLanguage();
    }
    
    public static String getDeviceModel(){
        return Build.MODEL;
    }

    public static AssetManager getAssetManager() {
        return Cocos2dxHelper.sAssetManager;
    }

    public static void enableAccelerometer() {
        Cocos2dxHelper.sAccelerometerEnabled = true;
        Cocos2dxHelper.sCocos2dxAccelerometer.enable();
    }


    public static void setAccelerometerInterval(float interval) {
        Cocos2dxHelper.sCocos2dxAccelerometer.setInterval(interval);
    }

    public static void disableAccelerometer() {
        Cocos2dxHelper.sAccelerometerEnabled = false;
        Cocos2dxHelper.sCocos2dxAccelerometer.disable();
    }
    
    public static void setKeepScreenOn(boolean value) {
        ((Cocos2dxActivity)sActivity).setKeepScreenOn(value);
    }
    
    public static boolean openURL(String url) { 
        boolean ret = false;
        try {
            Intent i = new Intent(Intent.ACTION_VIEW);
            i.setData(Uri.parse(url));
            sActivity.startActivity(i);
            ret = true;
        } catch (Exception e) {
        }
        return ret;
    }

    public static void preloadBackgroundMusic(final String pPath) {
        Cocos2dxHelper.sCocos2dMusic.preloadBackgroundMusic(pPath);
    }

    public static void playBackgroundMusic(final String pPath,final boolean isLoop) {
        Cocos2dxHelper.sCocos2dMusic.playBackgroundMusic(pPath,isLoop);
    }

    public static void resumeBackgroundMusic() {
        Cocos2dxHelper.sCocos2dMusic.resumeBackgroundMusic();
    }

    public static void pauseBackgroundMusic() {
        Cocos2dxHelper.sCocos2dMusic.pauseBackgroundMusic();
    }

    public static void stopBackgroundMusic() {
        Cocos2dxHelper.sCocos2dMusic.stopBackgroundMusic();
    }

    public static void rewindBackgroundMusic() {
        Cocos2dxHelper.sCocos2dMusic.rewindBackgroundMusic();
    }

    public static boolean isBackgroundMusicPlaying() {
        return Cocos2dxHelper.sCocos2dMusic.isBackgroundMusicPlaying();
    }

    public static float getBackgroundMusicVolume() {
        return Cocos2dxHelper.sCocos2dMusic.getBackgroundVolume();
    }

    public static void setBackgroundMusicVolume(final float volume) {
        Cocos2dxHelper.sCocos2dMusic.setBackgroundVolume(volume);
    }

    public static void preloadEffect(final String path) {
        Cocos2dxHelper.sCocos2dSound.preloadEffect(path);
    }

    public static int playEffect(final String path,final boolean isLoop,final float pitch,final float pan,final float gain) {
        return Cocos2dxHelper.sCocos2dSound.playEffect(path,isLoop,pitch,pan,gain);
    }

    public static void resumeEffect(final int soundId) {
        Cocos2dxHelper.sCocos2dSound.resumeEffect(soundId);
    }

    public static void pauseEffect(final int soundId) {
        Cocos2dxHelper.sCocos2dSound.pauseEffect(soundId);
    }

    public static void stopEffect(final int soundId) {
        Cocos2dxHelper.sCocos2dSound.stopEffect(soundId);
    }

    public static float getEffectsVolume() {
        return Cocos2dxHelper.sCocos2dSound.getEffectsVolume();
    }

    public static void setEffectsVolume(final float volume) {
        Cocos2dxHelper.sCocos2dSound.setEffectsVolume(volume);
    }

    public static void unloadEffect(final String path) {
        Cocos2dxHelper.sCocos2dSound.unloadEffect(path);
    }

    public static void pauseAllEffects() {
        Cocos2dxHelper.sCocos2dSound.pauseAllEffects();
    }

    public static void resumeAllEffects() {
        Cocos2dxHelper.sCocos2dSound.resumeAllEffects();
    }

    public static void stopAllEffects() {
        Cocos2dxHelper.sCocos2dSound.stopAllEffects();
    }

    public static void end() {
        Cocos2dxHelper.sCocos2dMusic.end();
        Cocos2dxHelper.sCocos2dSound.end();
    }

    public static void onResume() {
        sActivityVisible = true;
        if (Cocos2dxHelper.sAccelerometerEnabled) {
            Cocos2dxHelper.sCocos2dxAccelerometer.enable();
        }
    }

    public static void onPause() {
        sActivityVisible = false;
        if (Cocos2dxHelper.sAccelerometerEnabled) {
            Cocos2dxHelper.sCocos2dxAccelerometer.disable();
        }
    }

    public static void onEnterBackground() {
        sCocos2dSound.onEnterBackground();
        sCocos2dMusic.onEnterBackground();
    }
    
    public static void onEnterForeground() {
        sCocos2dSound.onEnterForeground();
        sCocos2dMusic.onEnterForeground();
    }
    
    public static void terminateProcess() {
        android.os.Process.killProcess(android.os.Process.myPid());
    }

    private static void showDialog(final String pTitle,final String pMessage) {
        Cocos2dxHelper.sCocos2dxHelperListener.showDialog(pTitle,pMessage);
    }

    private static void showEditTextDialog(final String pTitle,final String pMessage,final int pInputMode,final int pInputFlag,final int pReturnType,final int pMaxLength) {
        Cocos2dxHelper.sCocos2dxHelperListener.showEditTextDialog(pTitle,pMessage,pInputMode,pInputFlag,pReturnType,pMaxLength);
    }

    public static void setEditTextDialogResult(final String pResult) {
        try {
            //final byte[] bytesUTF8 = pResult.getBytes("UTF8");
            String text = filterEmoji(pResult);
            if (null == text || 0 == text.length()) {
                  return;
            }
            
            final byte[] bytesUTF8 = text.getBytes("UTF8");

            Cocos2dxHelper.sCocos2dxHelperListener.runOnGLThread(new Runnable() {
                @Override
                public void run() {
                    Cocos2dxHelper.nativeSetEditTextDialogResult(bytesUTF8);
                }
            });
        } catch (UnsupportedEncodingException pUnsupportedEncodingException) {
            /* Nothing. */
        }
    }

    public static int getDPI()
    {
        if (sActivity != null)
        {
            DisplayMetrics metrics = new DisplayMetrics();
            WindowManager wm = sActivity.getWindowManager();
            if (wm != null)
            {
                Display d = wm.getDefaultDisplay();
                if (d != null)
                {
                    d.getMetrics(metrics);
                    return (int)(metrics.density*160.0f);
                }
            }
        }
        return -1;
    }
    
    // ===========================================================
    // Functions for CCUserDefault
    // ===========================================================
    
    public static boolean getBoolForKey(String key,boolean defaultValue) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        return settings.getBoolean(key,defaultValue);
    }
    
    public static int getIntegerForKey(String key,int defaultValue) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        return settings.getInt(key,defaultValue);
    }
    
    public static float getFloatForKey(String key,float defaultValue) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        return settings.getFloat(key,defaultValue);
    }
    
    public static double getDoubleForKey(String key,double defaultValue) {
        // SharedPreferences doesn't support saving double value
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,(float)defaultValue);
    }
    
    public static String getStringForKey(String key,String defaultValue) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        return settings.getString(key,defaultValue);
    }
    
    public static void setBoolForKey(String key,boolean value) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        SharedPreferences.Editor editor = settings.edit();
        editor.putBoolean(key,value);
        editor.commit();
    }
    
    public static void setIntegerForKey(String key,int value) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        SharedPreferences.Editor editor = settings.edit();
        editor.putInt(key,value);
        editor.commit();
    }
    
    public static void setFloatForKey(String key,float value) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        SharedPreferences.Editor editor = settings.edit();
        editor.putFloat(key,value);
        editor.commit();
    }
    
    public static void setDoubleForKey(String key,double value) {
        // SharedPreferences doesn't support recording double value
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,(float)value);
        editor.commit();
    }
    
    public static void setStringForKey(String key,String value) {
        SharedPreferences settings = sActivity.getSharedPreferences(Cocos2dxHelper.PREFS_NAME,0);
        SharedPreferences.Editor editor = settings.edit();
        editor.putString(key,value);
        editor.commit();
    }
    
    // ===========================================================
    // Inner and Anonymous Classes
    // ===========================================================

    public static interface Cocos2dxHelperListener {
        public void showDialog(final String pTitle,final String pMessage);
        public void showEditTextDialog(final String pTitle,final int pMaxLength);

        public void runOnGLThread(final Runnable pRunnable);
    }
    	// ==========================================================
    	// Filter Emoji
    	// ==========================================================
        private static boolean containsEmoji(String source) {
    		if (null == source || 0 == source.length()) {
    			return false;
    		}
    
    		int len = source.length();
    		for (int i = 0; i < len; i++) {
    			char codePoint = source.charAt(i);
    			if (isEmojiCharacter(codePoint)) {
    				return true;
    			}
    		}
    
    		return false;
    	}
    
    	private static boolean isEmojiCharacter(char codePoint) {
    		return !((codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA)
    				|| (codePoint == 0xD)
    				|| ((codePoint >= 0x20) && (codePoint <= 0xD7FF))
    				|| ((codePoint >= 0xE000) && (codePoint <= 0xFFFD))
    				|| ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF)));
    	}
    
    	private static String filterEmoji(String source) {
    		if (!containsEmoji(source)) {
    			return source;// don't contain,just return
    		}
    
    		StringBuilder buf = null;
    		int len = source.length();
    
    		for (int i = 0; i < len; i++) {
    			char codePoint = source.charAt(i);
    
    			if (!isEmojiCharacter(codePoint)) {
    				if (buf == null) {
    					buf = new StringBuilder(source.length());
    				}
    
    				buf.append(codePoint);
    			} else {
    			}
    		}
    
    		if (buf == null) {
    			return null;
    		} else {
    			if (buf.length() == len) {
    				buf = null;
    				return source;
    			} else {
    				return buf.toString();
    			}
    		}
    	}
}

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