516 lines
18 KiB
C#
516 lines
18 KiB
C#
/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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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, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Runtime.Serialization;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using Microsoft.Phone.Controls;
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using Microsoft.Phone.Shell;
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#if WP8
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using System.Threading.Tasks;
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using Windows.ApplicationModel;
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using Windows.Storage;
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using Windows.System;
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//Use alias in case Cordova File Plugin is enabled. Then the File class will be declared in both and error will occur.
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using IOFile = System.IO.File;
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#else
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using Microsoft.Phone.Tasks;
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#endif
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namespace WPCordovaClassLib.Cordova.Commands
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{
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[DataContract]
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public class BrowserOptions
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{
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[DataMember]
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public string url;
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[DataMember]
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public bool isGeolocationEnabled;
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}
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public class InAppBrowser : BaseCommand
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{
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private static WebBrowser browser;
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private static ApplicationBarIconButton backButton;
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private static ApplicationBarIconButton fwdButton;
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protected ApplicationBar AppBar;
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protected bool ShowLocation {get;set;}
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protected bool StartHidden {get;set;}
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protected string NavigationCallbackId { get; set; }
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public void open(string options)
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{
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// reset defaults on ShowLocation + StartHidden features
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ShowLocation = true;
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StartHidden = false;
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string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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//BrowserOptions opts = JSON.JsonHelper.Deserialize<BrowserOptions>(options);
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string urlLoc = args[0];
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string target = args[1];
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string featString = args[2];
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this.NavigationCallbackId = args[3];
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if (!string.IsNullOrEmpty(featString))
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{
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string[] features = featString.Split(',');
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foreach (string str in features)
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{
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try
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{
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string[] split = str.Split('=');
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switch (split[0])
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{
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case "location":
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ShowLocation = split[1].StartsWith("yes", StringComparison.OrdinalIgnoreCase);
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break;
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case "hidden":
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StartHidden = split[1].StartsWith("yes", StringComparison.OrdinalIgnoreCase);
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break;
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}
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}
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catch (Exception)
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{
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// some sort of invalid param was passed, moving on ...
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}
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}
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}
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/*
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_self - opens in the Cordova WebView if url is in the white-list, else it opens in the InAppBrowser
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_blank - always open in the InAppBrowser
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_system - always open in the system web browser
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*/
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switch (target)
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{
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case "_blank":
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ShowInAppBrowser(urlLoc);
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break;
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case "_self":
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ShowCordovaBrowser(urlLoc);
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break;
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case "_system":
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ShowSystemBrowser(urlLoc);
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break;
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}
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}
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public void show(string options)
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{
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string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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if (browser != null)
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{
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Deployment.Current.Dispatcher.BeginInvoke(() =>
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{
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browser.Visibility = Visibility.Visible;
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AppBar.IsVisible = true;
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});
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}
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}
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public void injectScriptCode(string options)
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{
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string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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bool bCallback = false;
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if (bool.TryParse(args[1], out bCallback)) { };
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string callbackId = args[2];
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if (browser != null)
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{
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Deployment.Current.Dispatcher.BeginInvoke(() =>
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{
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var res = browser.InvokeScript("eval", new string[] { args[0] });
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if (bCallback)
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{
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PluginResult result = new PluginResult(PluginResult.Status.OK, res.ToString());
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result.KeepCallback = false;
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this.DispatchCommandResult(result);
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}
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});
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}
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}
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public void injectScriptFile(string options)
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{
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Debug.WriteLine("Error : Windows Phone org.apache.cordova.inappbrowser does not currently support executeScript");
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string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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// throw new NotImplementedException("Windows Phone does not currently support 'executeScript'");
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}
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public void injectStyleCode(string options)
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{
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Debug.WriteLine("Error : Windows Phone org.apache.cordova.inappbrowser does not currently support insertCSS");
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return;
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//string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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//bool bCallback = false;
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//if (bool.TryParse(args[1], out bCallback)) { };
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//string callbackId = args[2];
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//if (browser != null)
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//{
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//Deployment.Current.Dispatcher.BeginInvoke(() =>
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//{
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// if (bCallback)
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// {
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// string cssInsertString = "try{(function(doc){var c = '<style>body{background-color:#ffff00;}</style>'; doc.head.innerHTML += c;})(document);}catch(ex){alert('oops : ' + ex.message);}";
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// //cssInsertString = cssInsertString.Replace("_VALUE_", args[0]);
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// Debug.WriteLine("cssInsertString = " + cssInsertString);
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// var res = browser.InvokeScript("eval", new string[] { cssInsertString });
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// if (bCallback)
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// {
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// PluginResult result = new PluginResult(PluginResult.Status.OK, res.ToString());
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// result.KeepCallback = false;
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// this.DispatchCommandResult(result);
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// }
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// }
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//});
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//}
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}
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public void injectStyleFile(string options)
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{
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Debug.WriteLine("Error : Windows Phone org.apache.cordova.inappbrowser does not currently support insertCSS");
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return;
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//string[] args = JSON.JsonHelper.Deserialize<string[]>(options);
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//throw new NotImplementedException("Windows Phone does not currently support 'insertCSS'");
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}
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private void ShowCordovaBrowser(string url)
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{
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Uri loc = new Uri(url, UriKind.RelativeOrAbsolute);
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Deployment.Current.Dispatcher.BeginInvoke(() =>
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{
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PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
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if (frame != null)
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{
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PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
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if (page != null)
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{
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CordovaView cView = page.FindName("CordovaView") as CordovaView;
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if (cView != null)
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{
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WebBrowser br = cView.Browser;
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br.Navigate2(loc);
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}
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}
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}
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});
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}
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#if WP8
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private async void ShowSystemBrowser(string url)
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{
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var pathUri = new Uri(url, UriKind.Absolute);
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if (pathUri.Scheme == Uri.UriSchemeHttp || pathUri.Scheme == Uri.UriSchemeHttps)
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{
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await Launcher.LaunchUriAsync(pathUri);
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return;
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}
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var file = await GetFile(pathUri.AbsolutePath.Replace('/', Path.DirectorySeparatorChar));
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if (file != null)
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{
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await Launcher.LaunchFileAsync(file);
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}
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else
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{
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Debug.WriteLine("File not found.");
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}
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}
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private async Task<StorageFile> GetFile(string fileName)
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{
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//first try to get the file from the isolated storage
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var localFolder = ApplicationData.Current.LocalFolder;
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if (IOFile.Exists(Path.Combine(localFolder.Path, fileName)))
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{
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return await localFolder.GetFileAsync(fileName);
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}
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//if file is not found try to get it from the xap
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var filePath = Path.Combine(Package.Current.InstalledLocation.Path, fileName);
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if (IOFile.Exists(filePath))
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{
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return await StorageFile.GetFileFromPathAsync(filePath);
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}
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return null;
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}
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#else
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private void ShowSystemBrowser(string url)
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{
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WebBrowserTask webBrowserTask = new WebBrowserTask();
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webBrowserTask.Uri = new Uri(url, UriKind.Absolute);
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webBrowserTask.Show();
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}
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#endif
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private void ShowInAppBrowser(string url)
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{
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Uri loc = new Uri(url, UriKind.RelativeOrAbsolute);
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Deployment.Current.Dispatcher.BeginInvoke(() =>
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{
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if (browser != null)
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{
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//browser.IsGeolocationEnabled = opts.isGeolocationEnabled;
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browser.Navigate2(loc);
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}
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else
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{
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PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
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if (frame != null)
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{
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PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
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string baseImageUrl = "Images/";
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if (page != null)
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{
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Grid grid = page.FindName("LayoutRoot") as Grid;
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if (grid != null)
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{
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browser = new WebBrowser();
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browser.IsScriptEnabled = true;
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browser.LoadCompleted += new System.Windows.Navigation.LoadCompletedEventHandler(browser_LoadCompleted);
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browser.Navigating += new EventHandler<NavigatingEventArgs>(browser_Navigating);
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browser.NavigationFailed += new System.Windows.Navigation.NavigationFailedEventHandler(browser_NavigationFailed);
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browser.Navigated += new EventHandler<System.Windows.Navigation.NavigationEventArgs>(browser_Navigated);
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browser.Navigate2(loc);
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if (StartHidden)
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{
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browser.Visibility = Visibility.Collapsed;
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}
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//browser.IsGeolocationEnabled = opts.isGeolocationEnabled;
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grid.Children.Add(browser);
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}
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ApplicationBar bar = new ApplicationBar();
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bar.BackgroundColor = Colors.Gray;
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bar.IsMenuEnabled = false;
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backButton = new ApplicationBarIconButton();
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backButton.Text = "Back";
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backButton.IconUri = new Uri(baseImageUrl + "appbar.back.rest.png", UriKind.Relative);
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backButton.Click += new EventHandler(backButton_Click);
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bar.Buttons.Add(backButton);
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fwdButton = new ApplicationBarIconButton();
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fwdButton.Text = "Forward";
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fwdButton.IconUri = new Uri(baseImageUrl + "appbar.next.rest.png", UriKind.Relative);
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fwdButton.Click += new EventHandler(fwdButton_Click);
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bar.Buttons.Add(fwdButton);
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ApplicationBarIconButton closeBtn = new ApplicationBarIconButton();
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closeBtn.Text = "Close";
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closeBtn.IconUri = new Uri(baseImageUrl + "appbar.close.rest.png", UriKind.Relative);
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closeBtn.Click += new EventHandler(closeBtn_Click);
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bar.Buttons.Add(closeBtn);
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page.ApplicationBar = bar;
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bar.IsVisible = !StartHidden;
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AppBar = bar;
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page.BackKeyPress += page_BackKeyPress;
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}
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}
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}
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});
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}
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void page_BackKeyPress(object sender, System.ComponentModel.CancelEventArgs e)
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{
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#if WP8
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if (browser.CanGoBack)
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{
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browser.GoBack();
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}
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else
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{
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close();
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}
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e.Cancel = true;
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#else
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browser.InvokeScript("execScript", "history.back();");
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#endif
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}
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void browser_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
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{
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}
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void fwdButton_Click(object sender, EventArgs e)
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{
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if (browser != null)
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{
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try
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{
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#if WP8
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browser.GoForward();
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#else
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browser.InvokeScript("execScript", "history.forward();");
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#endif
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}
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catch (Exception)
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{
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}
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}
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}
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void backButton_Click(object sender, EventArgs e)
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{
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if (browser != null)
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{
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try
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{
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#if WP8
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browser.GoBack();
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#else
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browser.InvokeScript("execScript", "history.back();");
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#endif
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}
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catch (Exception)
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{
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}
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}
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}
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void closeBtn_Click(object sender, EventArgs e)
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{
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this.close();
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}
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public void close(string options = "")
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{
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if (browser != null)
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{
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Deployment.Current.Dispatcher.BeginInvoke(() =>
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{
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PhoneApplicationFrame frame = Application.Current.RootVisual as PhoneApplicationFrame;
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if (frame != null)
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{
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PhoneApplicationPage page = frame.Content as PhoneApplicationPage;
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if (page != null)
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{
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Grid grid = page.FindName("LayoutRoot") as Grid;
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if (grid != null)
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{
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grid.Children.Remove(browser);
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}
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page.ApplicationBar = null;
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page.BackKeyPress -= page_BackKeyPress;
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}
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}
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browser = null;
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string message = "{\"type\":\"exit\"}";
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PluginResult result = new PluginResult(PluginResult.Status.OK, message);
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result.KeepCallback = false;
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this.DispatchCommandResult(result, NavigationCallbackId);
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});
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}
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}
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void browser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
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{
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#if WP8
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if (browser != null)
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{
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backButton.IsEnabled = browser.CanGoBack;
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fwdButton.IsEnabled = browser.CanGoForward;
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}
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#endif
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string message = "{\"type\":\"loadstop\", \"url\":\"" + e.Uri.OriginalString + "\"}";
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PluginResult result = new PluginResult(PluginResult.Status.OK, message);
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result.KeepCallback = true;
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this.DispatchCommandResult(result, NavigationCallbackId);
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}
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void browser_NavigationFailed(object sender, System.Windows.Navigation.NavigationFailedEventArgs e)
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{
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string message = "{\"type\":\"error\",\"url\":\"" + e.Uri.OriginalString + "\"}";
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PluginResult result = new PluginResult(PluginResult.Status.ERROR, message);
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result.KeepCallback = true;
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this.DispatchCommandResult(result, NavigationCallbackId);
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}
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void browser_Navigating(object sender, NavigatingEventArgs e)
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{
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string message = "{\"type\":\"loadstart\",\"url\":\"" + e.Uri.OriginalString + "\"}";
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PluginResult result = new PluginResult(PluginResult.Status.OK, message);
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result.KeepCallback = true;
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this.DispatchCommandResult(result, NavigationCallbackId);
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}
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}
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internal static class WebBrowserExtensions
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{
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/// <summary>
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/// Improved method to initiate request to the provided URI. Supports 'data:text/html' urls.
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/// </summary>
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/// <param name="browser">The browser instance</param>
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/// <param name="uri">The requested uri</param>
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internal static void Navigate2(this WebBrowser browser, Uri uri)
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{
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// IE10 does not support data uri so we use NavigateToString method instead
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if (uri.Scheme == "data")
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{
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// we should remove the scheme identifier and unescape the uri
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string uriString = Uri.UnescapeDataString(uri.AbsoluteUri);
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// format is 'data:text/html, ...'
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string html = new System.Text.RegularExpressions.Regex("^data:text/html,").Replace(uriString, "");
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browser.NavigateToString(html);
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}
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else
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{
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browser.Navigate(uri);
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}
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}
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}
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}
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