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comparison: toolkit/components/printing/content/printPreviewProgress.js
toolkit/components/printing/content/printPreviewProgress.js
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| -1:000000000000 | 0:895e077d9eed |
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| 1 // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 // dialog is just an array we'll use to store various properties from the dialog document... | |
| 8 var dialog; | |
| 9 | |
| 10 // the printProgress is a nsIPrintProgress object | |
| 11 var printProgress = null; | |
| 12 | |
| 13 // random global variables... | |
| 14 var targetFile; | |
| 15 | |
| 16 var docTitle = ""; | |
| 17 var docURL = ""; | |
| 18 var progressParams = null; | |
| 19 | |
| 20 function ellipseString(aStr, doFront) | |
| 21 { | |
| 22 if (aStr.length > 3 && (aStr.substr(0, 3) == "..." || aStr.substr(aStr.length-4, 3) == "...")) | |
| 23 return aStr; | |
| 24 | |
| 25 var fixedLen = 64; | |
| 26 if (aStr.length <= fixedLen) | |
| 27 return aStr; | |
| 28 | |
| 29 if (doFront) | |
| 30 return "..." + aStr.substr(aStr.length-fixedLen, fixedLen); | |
| 31 | |
| 32 return aStr.substr(0, fixedLen) + "..."; | |
| 33 } | |
| 34 | |
| 35 // all progress notifications are done through the nsIWebProgressListener implementation... | |
| 36 var progressListener = { | |
| 37 | |
| 38 onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus) | |
| 39 { | |
| 40 if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP) | |
| 41 window.close(); | |
| 42 }, | |
| 43 | |
| 44 onProgressChange: function (aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress) | |
| 45 { | |
| 46 if (!progressParams) | |
| 47 return; | |
| 48 var docTitleStr = ellipseString(progressParams.docTitle, false); | |
| 49 if (docTitleStr != docTitle) { | |
| 50 docTitle = docTitleStr; | |
| 51 dialog.title.value = docTitle; | |
| 52 } | |
| 53 var docURLStr = ellipseString(progressParams.docURL, true); | |
| 54 if (docURLStr != docURL && dialog.title != null) { | |
| 55 docURL = docURLStr; | |
| 56 if (docTitle == "") | |
| 57 dialog.title.value = docURLStr; | |
| 58 } | |
| 59 }, | |
| 60 | |
| 61 onLocationChange: function (aWebProgress, aRequest, aLocation, aFlags) {}, | |
| 62 onSecurityChange: function (aWebProgress, aRequest, state) {}, | |
| 63 | |
| 64 onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage) | |
| 65 { | |
| 66 if (aMessage) | |
| 67 dialog.title.setAttribute("value", aMessage); | |
| 68 }, | |
| 69 | |
| 70 QueryInterface: function (iid) | |
| 71 { | |
| 72 if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference)) | |
| 73 return this; | |
| 74 throw Components.results.NS_NOINTERFACE; | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 function onLoad() { | |
| 79 // Set global variables. | |
| 80 printProgress = window.arguments[0]; | |
| 81 if (window.arguments[1]) { | |
| 82 progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams) | |
| 83 if (progressParams) { | |
| 84 docTitle = ellipseString(progressParams.docTitle, false); | |
| 85 docURL = ellipseString(progressParams.docURL, true); | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 if (!printProgress) { | |
| 90 dump( "Invalid argument to printPreviewProgress.xul\n" ); | |
| 91 window.close() | |
| 92 return; | |
| 93 } | |
| 94 | |
| 95 dialog = new Object; | |
| 96 dialog.strings = new Array; | |
| 97 dialog.title = document.getElementById("dialog.title"); | |
| 98 dialog.titleLabel = document.getElementById("dialog.titleLabel"); | |
| 99 | |
| 100 dialog.title.value = docTitle; | |
| 101 | |
| 102 // set our web progress listener on the helper app launcher | |
| 103 printProgress.registerListener(progressListener); | |
| 104 moveToAlertPosition(); | |
| 105 | |
| 106 //We need to delay the set title else dom will overwrite it | |
| 107 window.setTimeout(doneIniting, 100); | |
| 108 } | |
| 109 | |
| 110 function onUnload() | |
| 111 { | |
| 112 if (!printProgress) | |
| 113 return; | |
| 114 try { | |
| 115 printProgress.unregisterListener(progressListener); | |
| 116 printProgress = null; | |
| 117 } | |
| 118 catch(e) {} | |
| 119 } | |
| 120 | |
| 121 function getString (stringId) { | |
| 122 // Check if we've fetched this string already. | |
| 123 if (!(stringId in dialog.strings)) { | |
| 124 // Try to get it. | |
| 125 var elem = document.getElementById( "dialog.strings."+stringId); | |
| 126 try { | |
| 127 if (elem && elem.childNodes && elem.childNodes[0] && | |
| 128 elem.childNodes[0].nodeValue) | |
| 129 dialog.strings[stringId] = elem.childNodes[0].nodeValue; | |
| 130 // If unable to fetch string, use an empty string. | |
| 131 else | |
| 132 dialog.strings[stringId] = ""; | |
| 133 } catch (e) { dialog.strings[stringId] = ""; } | |
| 134 } | |
| 135 return dialog.strings[stringId]; | |
| 136 } | |
| 137 | |
| 138 // If the user presses cancel, tell the app launcher and close the dialog... | |
| 139 function onCancel () | |
| 140 { | |
| 141 // Cancel app launcher. | |
| 142 try { | |
| 143 printProgress.processCanceledByUser = true; | |
| 144 } | |
| 145 catch(e) {return true;} | |
| 146 | |
| 147 // don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted. | |
| 148 return false; | |
| 149 } | |
| 150 | |
| 151 function doneIniting() | |
| 152 { | |
| 153 // called by function timeout in onLoad | |
| 154 printProgress.doneIniting(); | |
| 155 } |
