forked from github/cordova-android
CB-1508: Implement InAppBrowser feature
Initial checkin. Need to clean up the UI and add eventing.
This commit is contained in:
Simon MacDonald
parent
7657faa9c3
commit
a87825dbee
@ -51,6 +51,7 @@
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<plugin name="SplashScreen" value="org.apache.cordova.SplashScreen"/>
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<plugin name="SplashScreen" value="org.apache.cordova.SplashScreen"/>
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<plugin name="Echo" value="org.apache.cordova.Echo" />
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<plugin name="Echo" value="org.apache.cordova.Echo" />
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<plugin name="Globalization" value="org.apache.cordova.Globalization"/>
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<plugin name="Globalization" value="org.apache.cordova.Globalization"/>
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<plugin name="InAppBrowser" value="org.apache.cordova.InAppBrowser"/>
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</plugins>
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</plugins>
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</cordova>
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</cordova>
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515
framework/src/org/apache/cordova/InAppBrowser.java
Normal file
515
framework/src/org/apache/cordova/InAppBrowser.java
Normal file
@ -0,0 +1,515 @@
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/*
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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*/
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package org.apache.cordova;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.StringTokenizer;
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import org.apache.cordova.api.CallbackContext;
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import org.apache.cordova.api.CordovaPlugin;
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import org.apache.cordova.api.PluginResult;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.net.Uri;
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import android.text.InputType;
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import android.util.Log;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.view.KeyEvent;
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import android.view.View;
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import android.view.Window;
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import android.view.WindowManager;
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import android.view.WindowManager.LayoutParams;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.InputMethodManager;
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import android.webkit.WebChromeClient;
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import android.webkit.WebSettings;
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import android.webkit.WebView;
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import android.webkit.WebViewClient;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.RelativeLayout;
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public class InAppBrowser extends CordovaPlugin {
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private static final String NULL = "null";
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protected static final String LOG_TAG = "InAppBrowser";
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private static final String SELF = "_self";
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private static final String SYSTEM = "_system";
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private static final String BLANK = "_blank";
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private static final String LOCATION = "location";
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private static int CLOSE_EVENT = 0;
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private static int LOCATION_CHANGED_EVENT = 1;
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private String browserCallbackId = null;
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private Dialog dialog;
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private WebView inAppWebView;
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private EditText edittext;
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private boolean showLocationBar = true;
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private CallbackContext callbackContext;
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/**
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* Executes the request and returns PluginResult.
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*
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* @param action The action to execute.
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* @param args JSONArry of arguments for the plugin.
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* @param callbackId The callback id used when calling back into JavaScript.
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* @return A PluginResult object with a status and message.
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*/
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public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
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PluginResult.Status status = PluginResult.Status.OK;
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String result = "";
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this.callbackContext = callbackContext;
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try {
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if (action.equals("open")) {
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String url = args.getString(0);
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String target = args.optString(1);
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if (target == null || target.equals("") || target.equals(NULL)) {
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target = SELF;
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}
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HashMap<String, Boolean> features = parseFeature(args.optString(2));
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Log.d(LOG_TAG, "target = " + target);
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url = updateUrl(url);
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// SELF
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if (SELF.equals(target)) {
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Log.d(LOG_TAG, "in self");
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// load in webview
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if (url.startsWith("file://") || url.startsWith("javascript:")
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|| this.webView.isUrlWhiteListed(url)) {
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this.webView.loadUrl(url);
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}
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// load in InAppBrowser
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else {
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result = this.showWebPage(url, features);
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}
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}
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// SYSTEM
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else if (SYSTEM.equals(target)) {
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Log.d(LOG_TAG, "in system");
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result = this.openExternal(url);
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}
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// BLANK - or anything else
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else {
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Log.d(LOG_TAG, "in blank");
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result = this.showWebPage(url, features);
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}
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}
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else if (action.equals("close")) {
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closeDialog();
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JSONObject obj = new JSONObject();
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obj.put("type", CLOSE_EVENT);
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PluginResult pluginResult = new PluginResult(status, obj);
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pluginResult.setKeepCallback(false);
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this.callbackContext.sendPluginResult(pluginResult);
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}
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else {
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status = PluginResult.Status.INVALID_ACTION;
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}
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this.callbackContext.sendPluginResult(new PluginResult(status, result));
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} catch (JSONException e) {
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this.callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.JSON_EXCEPTION));
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}
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return true;
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}
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/**
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* Put the list of features into a hash map
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*
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* @param optString
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* @return
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*/
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private HashMap<String, Boolean> parseFeature(String optString) {
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if (optString.equals(NULL)) {
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return null;
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} else {
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HashMap<String, Boolean> map = new HashMap<String, Boolean>();
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StringTokenizer features = new StringTokenizer(optString, ",");
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StringTokenizer option;
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while(features.hasMoreElements()) {
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option = new StringTokenizer(features.nextToken(), "=");
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if (option.hasMoreElements()) {
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String key = option.nextToken();
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Boolean value = option.nextToken().equals("no") ? Boolean.FALSE : Boolean.TRUE;
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map.put(key, value);
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}
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}
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return map;
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}
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}
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/**
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* Convert relative URL to full path
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*
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* @param url
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* @return
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*/
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private String updateUrl(String url) {
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Uri newUrl = Uri.parse(url);
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if (newUrl.isRelative()) {
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url = this.webView.getUrl().substring(0, this.webView.getUrl().lastIndexOf("/")+1) + url;
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}
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return url;
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}
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/**
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* Display a new browser with the specified URL.
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*
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* @param url The url to load.
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* @param usePhoneGap Load url in PhoneGap webview
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* @return "" if ok, or error message.
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*/
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public String openExternal(String url) {
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try {
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Intent intent = null;
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intent = new Intent(Intent.ACTION_VIEW);
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intent.setData(Uri.parse(url));
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this.cordova.getActivity().startActivity(intent);
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return "";
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} catch (android.content.ActivityNotFoundException e) {
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Log.d(LOG_TAG, "InAppBrowser: Error loading url "+url+":"+ e.toString());
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return e.toString();
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}
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}
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/**
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* Closes the dialog
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*/
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private void closeDialog() {
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// TODO: fire 'exit' event
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if (dialog != null) {
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dialog.dismiss();
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}
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}
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/**
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* Checks to see if it is possible to go back one page in history, then does so.
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*/
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private void goBack() {
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if (this.inAppWebView.canGoBack()) {
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this.inAppWebView.goBack();
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}
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}
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/**
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* Checks to see if it is possible to go forward one page in history, then does so.
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*/
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private void goForward() {
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if (this.inAppWebView.canGoForward()) {
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this.inAppWebView.goForward();
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}
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}
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/**
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* Navigate to the new page
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*
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* @param url to load
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*/
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private void navigate(String url) {
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InputMethodManager imm = (InputMethodManager)this.cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
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imm.hideSoftInputFromWindow(edittext.getWindowToken(), 0);
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if (!url.startsWith("http") && !url.startsWith("file:")) {
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this.inAppWebView.loadUrl("http://" + url);
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} else {
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this.inAppWebView.loadUrl(url);
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}
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this.inAppWebView.requestFocus();
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}
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/**
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* Should we show the location bar?
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*
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* @return boolean
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*/
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private boolean getShowLocationBar() {
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return this.showLocationBar;
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}
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/**
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* Display a new browser with the specified URL.
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*
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* @param url The url to load.
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* @param jsonObject
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*/
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public String showWebPage(final String url, HashMap<String, Boolean> features) {
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// Determine if we should hide the location bar.
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showLocationBar = true;
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if (features != null) {
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showLocationBar = features.get(LOCATION).booleanValue();
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}
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// Create dialog in new thread
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Runnable runnable = new Runnable() {
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/**
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* Convert our DIP units to Pixels
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*
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* @return int
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*/
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private int dpToPixels(int dipValue) {
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int value = (int) TypedValue.applyDimension( TypedValue.COMPLEX_UNIT_DIP,
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(float) dipValue,
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cordova.getActivity().getResources().getDisplayMetrics()
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);
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return value;
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}
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public void run() {
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// Let's create the main dialog
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dialog = new Dialog(cordova.getActivity(), android.R.style.Theme_NoTitleBar);
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dialog.getWindow().getAttributes().windowAnimations = android.R.style.Animation_Dialog;
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dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
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dialog.setCancelable(true);
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dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
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public void onDismiss(DialogInterface dialog) {
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try {
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JSONObject obj = new JSONObject();
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obj.put("type", CLOSE_EVENT);
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sendUpdate(obj, false);
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} catch (JSONException e) {
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Log.d(LOG_TAG, "Should never happen");
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}
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}
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});
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// Main container layout
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LinearLayout main = new LinearLayout(cordova.getActivity());
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main.setOrientation(LinearLayout.VERTICAL);
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// Toolbar layout
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RelativeLayout toolbar = new RelativeLayout(cordova.getActivity());
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toolbar.setLayoutParams(new RelativeLayout.LayoutParams(LayoutParams.FILL_PARENT, this.dpToPixels(44)));
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toolbar.setPadding(this.dpToPixels(2), this.dpToPixels(2), this.dpToPixels(2), this.dpToPixels(2));
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toolbar.setHorizontalGravity(Gravity.LEFT);
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toolbar.setVerticalGravity(Gravity.TOP);
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// Action Button Container layout
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RelativeLayout actionButtonContainer = new RelativeLayout(cordova.getActivity());
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actionButtonContainer.setLayoutParams(new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
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actionButtonContainer.setHorizontalGravity(Gravity.LEFT);
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actionButtonContainer.setVerticalGravity(Gravity.CENTER_VERTICAL);
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actionButtonContainer.setId(1);
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// Back button
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Button back = new Button(cordova.getActivity());
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RelativeLayout.LayoutParams backLayoutParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.FILL_PARENT);
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backLayoutParams.addRule(RelativeLayout.ALIGN_LEFT);
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back.setLayoutParams(backLayoutParams);
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back.setContentDescription("Back Button");
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back.setId(2);
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back.setText("<");
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back.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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goBack();
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}
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});
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// Forward button
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Button forward = new Button(cordova.getActivity());
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RelativeLayout.LayoutParams forwardLayoutParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.FILL_PARENT);
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forwardLayoutParams.addRule(RelativeLayout.RIGHT_OF, 2);
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forward.setLayoutParams(forwardLayoutParams);
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forward.setContentDescription("Forward Button");
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forward.setId(3);
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forward.setText(">");
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forward.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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goForward();
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}
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});
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// Edit Text Box
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edittext = new EditText(cordova.getActivity());
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RelativeLayout.LayoutParams textLayoutParams = new RelativeLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
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textLayoutParams.addRule(RelativeLayout.RIGHT_OF, 1);
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textLayoutParams.addRule(RelativeLayout.LEFT_OF, 5);
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edittext.setLayoutParams(textLayoutParams);
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edittext.setId(4);
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edittext.setSingleLine(true);
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edittext.setText(url);
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edittext.setInputType(InputType.TYPE_TEXT_VARIATION_URI);
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edittext.setImeOptions(EditorInfo.IME_ACTION_GO);
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edittext.setInputType(InputType.TYPE_NULL); // Will not except input... Makes the text NON-EDITABLE
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edittext.setOnKeyListener(new View.OnKeyListener() {
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public boolean onKey(View v, int keyCode, KeyEvent event) {
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// If the event is a key-down event on the "enter" button
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if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
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navigate(edittext.getText().toString());
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return true;
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||||||
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}
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||||||
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return false;
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}
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||||||
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});
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||||||
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||||||
|
// Close button
|
||||||
|
Button close = new Button(cordova.getActivity());
|
||||||
|
RelativeLayout.LayoutParams closeLayoutParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.FILL_PARENT);
|
||||||
|
closeLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
|
||||||
|
close.setLayoutParams(closeLayoutParams);
|
||||||
|
forward.setContentDescription("Close Button");
|
||||||
|
close.setId(5);
|
||||||
|
close.setText("Done");
|
||||||
|
close.setOnClickListener(new View.OnClickListener() {
|
||||||
|
public void onClick(View v) {
|
||||||
|
closeDialog();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
// WebView
|
||||||
|
inAppWebView = new WebView(cordova.getActivity());
|
||||||
|
inAppWebView.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
|
||||||
|
inAppWebView.setWebChromeClient(new WebChromeClient());
|
||||||
|
WebViewClient client = new InAppBrowserClient(edittext);
|
||||||
|
inAppWebView.setWebViewClient(client);
|
||||||
|
WebSettings settings = inAppWebView.getSettings();
|
||||||
|
settings.setJavaScriptEnabled(true);
|
||||||
|
settings.setJavaScriptCanOpenWindowsAutomatically(true);
|
||||||
|
settings.setBuiltInZoomControls(true);
|
||||||
|
settings.setPluginsEnabled(true);
|
||||||
|
settings.setDomStorageEnabled(true);
|
||||||
|
inAppWebView.loadUrl(url);
|
||||||
|
inAppWebView.setId(6);
|
||||||
|
inAppWebView.getSettings().setLoadWithOverviewMode(true);
|
||||||
|
inAppWebView.getSettings().setUseWideViewPort(true);
|
||||||
|
inAppWebView.requestFocus();
|
||||||
|
inAppWebView.requestFocusFromTouch();
|
||||||
|
|
||||||
|
// Add the back and forward buttons to our action button container layout
|
||||||
|
actionButtonContainer.addView(back);
|
||||||
|
actionButtonContainer.addView(forward);
|
||||||
|
|
||||||
|
// Add the views to our toolbar
|
||||||
|
toolbar.addView(actionButtonContainer);
|
||||||
|
toolbar.addView(edittext);
|
||||||
|
toolbar.addView(close);
|
||||||
|
|
||||||
|
// Don't add the toolbar if its been disabled
|
||||||
|
if (getShowLocationBar()) {
|
||||||
|
// Add our toolbar to our main view/layout
|
||||||
|
main.addView(toolbar);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add our webview to our main view/layout
|
||||||
|
main.addView(inAppWebView);
|
||||||
|
|
||||||
|
WindowManager.LayoutParams lp = new WindowManager.LayoutParams();
|
||||||
|
lp.copyFrom(dialog.getWindow().getAttributes());
|
||||||
|
lp.width = WindowManager.LayoutParams.FILL_PARENT;
|
||||||
|
lp.height = WindowManager.LayoutParams.FILL_PARENT;
|
||||||
|
|
||||||
|
dialog.setContentView(main);
|
||||||
|
dialog.show();
|
||||||
|
dialog.getWindow().setAttributes(lp);
|
||||||
|
}
|
||||||
|
|
||||||
|
private Bitmap loadDrawable(String filename) throws java.io.IOException {
|
||||||
|
InputStream input = cordova.getActivity().getAssets().open(filename);
|
||||||
|
return BitmapFactory.decodeStream(input);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
this.cordova.getActivity().runOnUiThread(runnable);
|
||||||
|
return "";
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Create a new plugin result and send it back to JavaScript
|
||||||
|
*
|
||||||
|
* @param obj a JSONObject contain event payload information
|
||||||
|
*/
|
||||||
|
private void sendUpdate(JSONObject obj, boolean keepCallback) {
|
||||||
|
if (this.browserCallbackId != null) {
|
||||||
|
PluginResult result = new PluginResult(PluginResult.Status.OK, obj);
|
||||||
|
result.setKeepCallback(keepCallback);
|
||||||
|
this.callbackContext.sendPluginResult(result);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* The webview client receives notifications about appView
|
||||||
|
*/
|
||||||
|
public class InAppBrowserClient extends WebViewClient {
|
||||||
|
EditText edittext;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constructor.
|
||||||
|
*
|
||||||
|
* @param mContext
|
||||||
|
* @param edittext
|
||||||
|
*/
|
||||||
|
public InAppBrowserClient(EditText mEditText) {
|
||||||
|
this.edittext = mEditText;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Notify the host application that a page has started loading.
|
||||||
|
*
|
||||||
|
* @param view The webview initiating the callback.
|
||||||
|
* @param url The url of the page.
|
||||||
|
*/
|
||||||
|
@Override
|
||||||
|
public void onPageStarted(WebView view, String url, Bitmap favicon) {
|
||||||
|
super.onPageStarted(view, url, favicon);
|
||||||
|
String newloc;
|
||||||
|
if (url.startsWith("http:") || url.startsWith("https:") || url.startsWith("file:")) {
|
||||||
|
newloc = url;
|
||||||
|
} else {
|
||||||
|
newloc = "http://" + url;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!newloc.equals(edittext.getText().toString())) {
|
||||||
|
edittext.setText(newloc);
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO: Fire 'loadstart' event
|
||||||
|
try {
|
||||||
|
JSONObject obj = new JSONObject();
|
||||||
|
obj.put("type", LOCATION_CHANGED_EVENT);
|
||||||
|
obj.put("location", url);
|
||||||
|
|
||||||
|
sendUpdate(obj, true);
|
||||||
|
} catch (JSONException e) {
|
||||||
|
Log.d("InAppBrowser", "This should never happen");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public void onPageFinished(WebView view, String url) {
|
||||||
|
super.onPageFinished(view, url);
|
||||||
|
// TODO: Fire 'loadstop' event
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user