Subversion Repositories SmartDukaan

package com.ionic.keyboard;

import org.apache.cordova.CallbackContext;

import org.apache.cordova.CordovaInterface;

import org.apache.cordova.CordovaPlugin;

import org.apache.cordova.CordovaWebView;

import org.apache.cordova.PluginResult.Status;

import org.json.JSONArray;

import org.json.JSONException;

import android.content.Context;

import android.graphics.Rect;

import android.util.DisplayMetrics;

import android.view.View;

import android.view.ViewTreeObserver.OnGlobalLayoutListener;

import android.view.inputmethod.InputMethodManager;

public class IonicKeyboard extends CordovaPlugin{

    public void initialize(CordovaInterface cordova, CordovaWebView webView) {

        super.initialize(cordova, webView);

        //calculate density-independent pixels (dp)

        //http://developer.android.com/guide/practices/screens_support.html

        DisplayMetrics dm = new DisplayMetrics();

        cordova.getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);

        final float density = dm.density;

        final CordovaWebView appView = webView;

        //http://stackoverflow.com/a/4737265/1091751 detect if keyboard is showing

        final View rootView = cordova.getActivity().getWindow().getDecorView().findViewById(android.R.id.content).getRootView();

        OnGlobalLayoutListener list = new OnGlobalLayoutListener() {

            int previousHeightDiff = 0;

            @Override

            public void onGlobalLayout() {

                Rect r = new Rect();

                //r will be populated with the coordinates of your view that area still visible.

                rootView.getWindowVisibleDisplayFrame(r);

                int heightDiff = rootView.getRootView().getHeight() - (r.bottom - r.top);

                int pixelHeightDiff = (int)(heightDiff / density);

                if (pixelHeightDiff > 100 && pixelHeightDiff != previousHeightDiff) { // if more than 100 pixels, its probably a keyboard...

                    appView.sendJavascript("cordova.plugins.Keyboard.isVisible = true");

                    appView.sendJavascript("cordova.fireWindowEvent('native.keyboardshow', { 'keyboardHeight':" + Integer.toString(pixelHeightDiff)+"});");

                    //deprecated

                    appView.sendJavascript("cordova.fireWindowEvent('native.showkeyboard', { 'keyboardHeight':" + Integer.toString(pixelHeightDiff)+"});");

                }

                else if ( pixelHeightDiff != previousHeightDiff && ( previousHeightDiff - pixelHeightDiff ) > 100 ){

                    appView.sendJavascript("cordova.plugins.Keyboard.isVisible = false");

                    appView.sendJavascript("cordova.fireWindowEvent('native.keyboardhide')");

                    //deprecated

                    appView.sendJavascript("cordova.fireWindowEvent('native.hidekeyboard')");

                }

                previousHeightDiff = pixelHeightDiff;

             }

        };

        rootView.getViewTreeObserver().addOnGlobalLayoutListener(list);

    }

    public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {

        if ("close".equals(action)) {

            cordova.getThreadPool().execute(new Runnable() {

                public void run() {

                    //http://stackoverflow.com/a/7696791/1091751

                    InputMethodManager inputManager = (InputMethodManager) cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);

                    View v = cordova.getActivity().getCurrentFocus();

                    if (v == null) {

                        callbackContext.error("No current focus");

                    } else {

                        inputManager.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);

                        callbackContext.success(); // Thread-safe.

                    }

                }

            });

            return true;

        }

        if ("show".equals(action)) {

            cordova.getThreadPool().execute(new Runnable() {

                public void run() {

                    ((InputMethodManager) cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).toggleSoftInput(0, InputMethodManager.HIDE_IMPLICIT_ONLY);

                    callbackContext.success(); // Thread-safe.

                }

            });

            return true;

        }

        return false;  // Returning false results in a "MethodNotFound" error.

    }

}