src/windows/InAppBrowserProxy.js - cordova-plugin-inappbrowser - Git at Google

 /*
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  *
 */

 /*jslint sloppy:true */
 /*global Windows:true, require, document, setTimeout, window, module */


 var cordova = require('cordova'),
     channel = require('cordova/channel'),
     urlutil = require('cordova/urlutil');

 var browserWrap,
     popup,
     navigationButtonsDiv,
     navigationButtonsDivInner,
     backButton,
     forwardButton,
     closeButton;

 // x-ms-webview is available starting from Windows 8.1 (platformId is 'windows')
 // http://msdn.microsoft.com/en-us/library/windows/apps/dn301831.aspx
 var isWebViewAvailable = cordova.platformId == 'windows';

 function attachNavigationEvents(element, callback) {
     if (isWebViewAvailable) {
         element.addEventListener("MSWebViewNavigationStarting", function (e) {
             callback({ type: "loadstart", url: e.uri}, {keepCallback: true} );
         });

         element.addEventListener("MSWebViewNavigationCompleted", function (e) {
             callback({ type: e.isSuccess ? "loadstop" : "loaderror", url: e.uri}, {keepCallback: true});
         });

         element.addEventListener("MSWebViewUnviewableContentIdentified", function (e) {
             // WebView found the content to be not HTML.
             // http://msdn.microsoft.com/en-us/library/windows/apps/dn609716.aspx
             callback({ type: "loaderror", url: e.uri}, {keepCallback: true});
         });

         element.addEventListener("MSWebViewContentLoading", function (e) {
             if (navigationButtonsDiv) {
                 backButton.disabled = !popup.canGoBack;
                 forwardButton.disabled = !popup.canGoForward;
             }
         });
     } else {
         var onError = function () {
             callback({ type: "loaderror", url: this.contentWindow.location}, {keepCallback: true});
         };

         element.addEventListener("unload", function () {
             callback({ type: "loadstart", url: this.contentWindow.location}, {keepCallback: true});
         });

         element.addEventListener("load", function () {
             callback({ type: "loadstop", url: this.contentWindow.location}, {keepCallback: true});
         });

         element.addEventListener("error", onError);
         element.addEventListener("abort", onError);
     }
 }

 var IAB = {
     close: function (win, lose) {
         if (browserWrap) {
             if (win) win({ type: "exit" });

             browserWrap.parentNode.removeChild(browserWrap);
             browserWrap = null;
             popup = null;
         }
     },
     show: function (win, lose) {
         if (browserWrap) {
             browserWrap.style.display = "block";
         }
     },
     open: function (win, lose, args) {
         var strUrl = args[0],
             target = args[1],
             features = args[2],
             url;

         if (target === "_system") {
             url = new Windows.Foundation.Uri(strUrl);
             Windows.System.Launcher.launchUriAsync(url);
         } else if (target === "_self" || !target) {
             window.location = strUrl;
         } else {
             // "_blank" or anything else
             if (!browserWrap) {
                 browserWrap = document.createElement("div");
                 // First reset all styles for inappbrowser wrapper element
                 browserWrap.style.cssText = "margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background: 0 0;";
                 browserWrap.style.position = "fixed";
                 browserWrap.style.top = "0px";
                 browserWrap.style.left = "0px";
                 browserWrap.style.width = "100%";
                 browserWrap.style.height = "100%";
                 browserWrap.style.zIndex = 9999;
                 browserWrap.style.border = "40px solid rgba(0,0,0,0.25)";

                 // Save body overflow style to be able to reset it back later
                 var bodyOverflow = document.body.style.msOverflowStyle;

                 browserWrap.onclick = function () {
                     setTimeout(function () {
                         // Reset body overflow style to initial value
                         document.body.style.msOverflowStyle = bodyOverflow;
                         IAB.close(win);
                     }, 0);
                 };

                 document.body.appendChild(browserWrap);
                 // Hide scrollbars for the whole body while inappbrowser's window is open
                 document.body.style.msOverflowStyle = "none";
             }

             if (features.indexOf("hidden=yes") !== -1) {
                 browserWrap.style.display = "none";
             }

             popup = document.createElement(isWebViewAvailable ? "x-ms-webview" : "iframe");
             if (popup instanceof HTMLIFrameElement) {
                 // For iframe we need to override bacground color of parent element here
                 // otherwise pages without background color set will have transparent background
                 popup.style.backgroundColor = "white";
             }
             popup.style.borderWidth = "0px";
             popup.style.width = "100%";

             browserWrap.appendChild(popup);

             if (features.indexOf("location=yes") !== -1 || features.indexOf("location") === -1) {
                 popup.style.height = "calc(100% - 60px)";

                 navigationButtonsDiv = document.createElement("div");
                 navigationButtonsDiv.style.height = "60px";
                 navigationButtonsDiv.style.backgroundColor = "#404040";
                 navigationButtonsDiv.style.zIndex = "999";
                 navigationButtonsDiv.onclick = function (e) {
                     e.cancelBubble = true;
                 };

                 navigationButtonsDivInner = document.createElement("div");
                 navigationButtonsDivInner.style.paddingTop = "10px";
                 navigationButtonsDivInner.style.height = "50px";
                 navigationButtonsDivInner.style.width = "160px";
                 navigationButtonsDivInner.style.margin = "0 auto";
                 navigationButtonsDivInner.style.backgroundColor = "#404040";
                 navigationButtonsDivInner.style.zIndex = "999";
                 navigationButtonsDivInner.onclick = function (e) {
                     e.cancelBubble = true;
                 };


                 backButton = document.createElement("button");
                 backButton.style.width = "40px";
                 backButton.style.height = "40px";
                 backButton.style.borderRadius = "40px";

                 backButton.innerText = "<-";
                 backButton.addEventListener("click", function (e) {
                     if (popup.canGoBack)
                         popup.goBack();
                 });

                 forwardButton = document.createElement("button");
                 forwardButton.style.marginLeft = "20px";
                 forwardButton.style.width = "40px";
                 forwardButton.style.height = "40px";
                 forwardButton.style.borderRadius = "40px";

                 forwardButton.innerText = "->";
                 forwardButton.addEventListener("click", function (e) {
                     if (popup.canGoForward)
                         popup.goForward();
                 });

                 closeButton = document.createElement("button");
                 closeButton.style.marginLeft = "20px";
                 closeButton.style.width = "40px";
                 closeButton.style.height = "40px";
                 closeButton.style.borderRadius = "40px";

                 closeButton.innerText = "x";
                 closeButton.addEventListener("click", function (e) {
                     setTimeout(function () {
                         IAB.close(win);
                     }, 0);
                 });

                 if (!isWebViewAvailable) {
                     // iframe navigation is not yet supported
                     backButton.disabled = true;
                     forwardButton.disabled = true;
                 }

                 navigationButtonsDivInner.appendChild(backButton);
                 navigationButtonsDivInner.appendChild(forwardButton);
                 navigationButtonsDivInner.appendChild(closeButton);
                 navigationButtonsDiv.appendChild(navigationButtonsDivInner);

                 browserWrap.appendChild(navigationButtonsDiv);
             } else {
                 popup.style.height = "100%";
             }

             // start listening for navigation events
             attachNavigationEvents(popup, win);

             if (isWebViewAvailable) {
                 strUrl = strUrl.replace("ms-appx://", "ms-appx-web://");
             }
             popup.src = strUrl;
         }
     },

     injectScriptCode: function (win, fail, args) {
         var code = args[0],
             hasCallback = args[1];

         if (isWebViewAvailable && browserWrap && popup) {
             var op = popup.invokeScriptAsync("eval", code);
             op.oncomplete = function () { hasCallback && win([]); };
             op.onerror = function () { };
             op.start();
         }
     },

     injectScriptFile: function (win, fail, args) {
         var filePath = args[0],
             hasCallback = args[1];

         if (!!filePath) {
             filePath = urlutil.makeAbsolute(filePath);
         }

         if (isWebViewAvailable && browserWrap && popup) {
             var uri = new Windows.Foundation.Uri(filePath);
             Windows.Storage.StorageFile.getFileFromApplicationUriAsync(uri).done(function (file) {
                 Windows.Storage.FileIO.readTextAsync(file).done(function (code) {
                     var op = popup.invokeScriptAsync("eval", code);
                     op.oncomplete = function () { hasCallback && win([]); };
                     op.onerror = function () { };
                     op.start();
                 });
             });
         }
     }
 };

 module.exports = IAB;

 require("cordova/exec/proxy").add("InAppBrowser", module.exports);
	/*
	*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*
	*/

	/jslint sloppy:true /
	/global Windows:true, require, document, setTimeout, window, module /



	var cordova = require('cordova'),
	channel = require('cordova/channel'),
	urlutil = require('cordova/urlutil');

	var browserWrap,
	popup,
	navigationButtonsDiv,
	navigationButtonsDivInner,
	backButton,
	forwardButton,
	closeButton;

	// x-ms-webview is available starting from Windows 8.1 (platformId is 'windows')
	// http://msdn.microsoft.com/en-us/library/windows/apps/dn301831.aspx
	var isWebViewAvailable = cordova.platformId == 'windows';

	function attachNavigationEvents(element, callback) {
	if (isWebViewAvailable) {
	element.addEventListener("MSWebViewNavigationStarting", function (e) {
	callback({ type: "loadstart", url: e.uri}, {keepCallback: true} );
	});

	element.addEventListener("MSWebViewNavigationCompleted", function (e) {
	callback({ type: e.isSuccess ? "loadstop" : "loaderror", url: e.uri}, {keepCallback: true});
	});

	element.addEventListener("MSWebViewUnviewableContentIdentified", function (e) {
	// WebView found the content to be not HTML.
	// http://msdn.microsoft.com/en-us/library/windows/apps/dn609716.aspx
	callback({ type: "loaderror", url: e.uri}, {keepCallback: true});
	});

	element.addEventListener("MSWebViewContentLoading", function (e) {
	if (navigationButtonsDiv) {
	backButton.disabled = !popup.canGoBack;
	forwardButton.disabled = !popup.canGoForward;
	}
	});
	} else {
	var onError = function () {
	callback({ type: "loaderror", url: this.contentWindow.location}, {keepCallback: true});
	};

	element.addEventListener("unload", function () {
	callback({ type: "loadstart", url: this.contentWindow.location}, {keepCallback: true});
	});

	element.addEventListener("load", function () {
	callback({ type: "loadstop", url: this.contentWindow.location}, {keepCallback: true});
	});

	element.addEventListener("error", onError);
	element.addEventListener("abort", onError);
	}
	}

	var IAB = {
	close: function (win, lose) {
	if (browserWrap) {
	if (win) win({ type: "exit" });

	browserWrap.parentNode.removeChild(browserWrap);
	browserWrap = null;
	popup = null;
	}
	},
	show: function (win, lose) {
	if (browserWrap) {
	browserWrap.style.display = "block";
	}
	},
	open: function (win, lose, args) {
	var strUrl = args[0],
	target = args[1],
	features = args[2],
	url;

	if (target === "_system") {
	url = new Windows.Foundation.Uri(strUrl);
	Windows.System.Launcher.launchUriAsync(url);
	} else if (target === "_self" \|\| !target) {
	window.location = strUrl;
	} else {
	// "_blank" or anything else
	if (!browserWrap) {
	browserWrap = document.createElement("div");
	// First reset all styles for inappbrowser wrapper element
	browserWrap.style.cssText = "margin:0;padding:0;border:0;outline:0;font-size:100%;vertical-align:baseline;background: 0 0;";
	browserWrap.style.position = "fixed";
	browserWrap.style.top = "0px";
	browserWrap.style.left = "0px";
	browserWrap.style.width = "100%";
	browserWrap.style.height = "100%";
	browserWrap.style.zIndex = 9999;
	browserWrap.style.border = "40px solid rgba(0,0,0,0.25)";

	// Save body overflow style to be able to reset it back later
	var bodyOverflow = document.body.style.msOverflowStyle;

	browserWrap.onclick = function () {
	setTimeout(function () {
	// Reset body overflow style to initial value
	document.body.style.msOverflowStyle = bodyOverflow;
	IAB.close(win);
	}, 0);
	};

	document.body.appendChild(browserWrap);
	// Hide scrollbars for the whole body while inappbrowser's window is open
	document.body.style.msOverflowStyle = "none";
	}

	if (features.indexOf("hidden=yes") !== -1) {
	browserWrap.style.display = "none";
	}

	popup = document.createElement(isWebViewAvailable ? "x-ms-webview" : "iframe");
	if (popup instanceof HTMLIFrameElement) {
	// For iframe we need to override bacground color of parent element here
	// otherwise pages without background color set will have transparent background
	popup.style.backgroundColor = "white";
	}
	popup.style.borderWidth = "0px";
	popup.style.width = "100%";

	browserWrap.appendChild(popup);

	if (features.indexOf("location=yes") !== -1 \|\| features.indexOf("location") === -1) {
	popup.style.height = "calc(100% - 60px)";

	navigationButtonsDiv = document.createElement("div");
	navigationButtonsDiv.style.height = "60px";
	navigationButtonsDiv.style.backgroundColor = "#404040";
	navigationButtonsDiv.style.zIndex = "999";
	navigationButtonsDiv.onclick = function (e) {
	e.cancelBubble = true;
	};

	navigationButtonsDivInner = document.createElement("div");
	navigationButtonsDivInner.style.paddingTop = "10px";
	navigationButtonsDivInner.style.height = "50px";
	navigationButtonsDivInner.style.width = "160px";
	navigationButtonsDivInner.style.margin = "0 auto";
	navigationButtonsDivInner.style.backgroundColor = "#404040";
	navigationButtonsDivInner.style.zIndex = "999";
	navigationButtonsDivInner.onclick = function (e) {
	e.cancelBubble = true;
	};


	backButton = document.createElement("button");
	backButton.style.width = "40px";
	backButton.style.height = "40px";
	backButton.style.borderRadius = "40px";

	backButton.innerText = "<-";
	backButton.addEventListener("click", function (e) {
	if (popup.canGoBack)
	popup.goBack();
	});

	forwardButton = document.createElement("button");
	forwardButton.style.marginLeft = "20px";
	forwardButton.style.width = "40px";
	forwardButton.style.height = "40px";
	forwardButton.style.borderRadius = "40px";

	forwardButton.innerText = "->";
	forwardButton.addEventListener("click", function (e) {
	if (popup.canGoForward)
	popup.goForward();
	});

	closeButton = document.createElement("button");
	closeButton.style.marginLeft = "20px";
	closeButton.style.width = "40px";
	closeButton.style.height = "40px";
	closeButton.style.borderRadius = "40px";

	closeButton.innerText = "x";
	closeButton.addEventListener("click", function (e) {
	setTimeout(function () {
	IAB.close(win);
	}, 0);
	});

	if (!isWebViewAvailable) {
	// iframe navigation is not yet supported
	backButton.disabled = true;
	forwardButton.disabled = true;
	}

	navigationButtonsDivInner.appendChild(backButton);
	navigationButtonsDivInner.appendChild(forwardButton);
	navigationButtonsDivInner.appendChild(closeButton);
	navigationButtonsDiv.appendChild(navigationButtonsDivInner);

	browserWrap.appendChild(navigationButtonsDiv);
	} else {
	popup.style.height = "100%";
	}

	// start listening for navigation events
	attachNavigationEvents(popup, win);

	if (isWebViewAvailable) {
	strUrl = strUrl.replace("ms-appx://", "ms-appx-web://");
	}
	popup.src = strUrl;
	}
	},

	injectScriptCode: function (win, fail, args) {
	var code = args[0],
	hasCallback = args[1];

	if (isWebViewAvailable && browserWrap && popup) {
	var op = popup.invokeScriptAsync("eval", code);
	op.oncomplete = function () { hasCallback && win([]); };
	op.onerror = function () { };
	op.start();
	}
	},

	injectScriptFile: function (win, fail, args) {
	var filePath = args[0],
	hasCallback = args[1];

	if (!!filePath) {
	filePath = urlutil.makeAbsolute(filePath);
	}

	if (isWebViewAvailable && browserWrap && popup) {
	var uri = new Windows.Foundation.Uri(filePath);
	Windows.Storage.StorageFile.getFileFromApplicationUriAsync(uri).done(function (file) {
	Windows.Storage.FileIO.readTextAsync(file).done(function (code) {
	var op = popup.invokeScriptAsync("eval", code);
	op.oncomplete = function () { hasCallback && win([]); };
	op.onerror = function () { };
	op.start();
	});
	});
	}
	}
	};

	module.exports = IAB;

	require("cordova/exec/proxy").add("InAppBrowser", module.exports);