1 /*! |
1 /*! |
2 \file networkstatus.js This module contains the NetworkStatus class. |
2 \file networkstatus.js This module contains the NetworkStatusDialog class which |
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3 displays network/http errors. |
3 */ |
4 */ |
4 |
5 |
5 function NetworkStatus() |
6 function NetworkStatusDialog() { |
6 { |
7 var onChromeComplete = function() |
7 // attach internal funcs |
8 { |
8 this.setup = setupPage; |
9 // Get external mouse events. |
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10 snippets.NetworkStatusChromeId.externalMouseEvent.connect(this.handleExternalMouseEvent.bind(this)); |
9 |
11 |
10 // do setup |
12 // Watch for page load errors. |
11 this.setup(); |
13 window.pageController.pageLoadFailed.connect( |
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14 function() { |
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15 if (!window.pageController.loadCanceled ) { |
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16 update(); |
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17 showNetworkStatus(); |
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18 } |
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19 } |
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20 ); |
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21 } |
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22 |
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23 //! Add text to the given DOM element, truncate it at the given width (in pixels). |
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24 //! Returns the remainder of the string. |
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25 function truncateTextToWidth(element, text, width) |
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26 { |
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27 element.innerHTML = '<span style="white-space:nowrap;">' + text + '</span>'; |
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28 if(element.offsetWidth > width) |
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29 { |
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30 var i = 1; |
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31 element.innerHTML = ''; |
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32 while(element.offsetWidth < (width) && i < text.length) |
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33 { |
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34 element.innerHTML = text.substr(0,i); |
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35 i++; |
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36 } |
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37 return text.substr(i-1); |
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38 } |
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39 return ""; |
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40 } |
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41 |
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42 //! Update text elements with error info. |
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43 var update = function() |
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44 { |
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45 // Set URL. Two lines of it are displayed, the first wraps to the second and the second |
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46 // is truncated with an ellipsis appended by CSS. |
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47 var parentWidth = document.getElementById("networkStatusTextUrlParent").offsetWidth; |
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48 var restOfUrl = truncateTextToWidth(document.getElementById("networkStatusTextUrl1Id"), '"' + pageController.networkErrorUrl + '"', parentWidth); |
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49 document.getElementById("networkStatusTextUrl2Id").innerHTML = restOfUrl; |
12 |
50 |
13 function onChromeComplete() |
51 // Set error message. |
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52 if(pageController.networkErrorMsg != undefined && pageController.networkErrorMsg != "") { |
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53 document.getElementById("networkStatusTextMsgId").innerHTML = pageController.networkErrorMsg; |
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54 } |
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55 else { |
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56 document.getElementById("networkStatusTextMsgId").innerHTML = window.localeDelegate.translateText("txt_browser_error_generic_error_msg"); |
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57 } |
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58 } |
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59 |
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60 //! Handles external mouse events - dismisses status dialog. |
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61 /*! |
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62 \param type the type of event |
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63 \param name the name of event |
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64 \param description event description |
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65 */ |
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66 this.handleExternalMouseEvent = function(type, name, description) |
14 { |
67 { |
15 window.pageController.pageLoadFinished.connect( |
68 if (name == "QGraphicsSceneMousePressEvent") { |
16 function(ok) { |
69 this.hideNetworkStatus(); |
17 processLoadStatus(ok); |
70 } |
18 var networkTimeoutId; |
71 } |
19 if (!ok && !window.pageController.loadCanceled ) { |
72 |
20 showNetworkStatus(); |
73 //! Show the network status dialog and shaded overlay. |
21 networkTimeoutId = setTimeout ( 'hideNetworkStatus()', 2000 ); |
74 var showNetworkStatus = function(){ |
22 } |
75 |
23 } |
76 var snippet = snippets.NetworkStatusChromeId; |
24 ); |
77 snippet.updateOwnerArea(); |
25 } //End of onChromeComplete handler |
78 snippet.show(true); |
26 |
79 snippet.zValue = 1; |
27 window.chrome.chromeComplete.connect(onChromeComplete); |
80 snippet.repaint(); |
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81 |
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82 //networkTimeoutId = setTimeout(hideNetworkStatus, 2000); |
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83 } |
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84 |
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85 //! Hide the network status dialog and shaded overlay. |
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86 this.hideNetworkStatus = function(){ |
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87 snippets.NetworkStatusChromeId.hide(); |
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88 } |
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89 |
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90 //! Create the DOM elements for the dialog. |
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91 this.setupPage = function(){ |
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92 var html = |
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93 '<div class="networkStatusBox">' + |
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94 '<ul>' + |
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95 '<li>' + |
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96 '<img src="networkstatus.snippet/icons/icon_dialog_error.png"/> ' + |
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97 '<span class="networkStatusText">' + |
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98 window.localeDelegate.translateText("txt_browser_error_page_load_failed") + |
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99 '</span>' + |
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100 '</li>' + |
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101 '<li id="networkStatusTextUrlParent">' + |
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102 '<span class="networkStatusText" id="networkStatusTextUrl1Id"></span><br/>' + |
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103 '<div class="networkStatusText2" id="networkStatusTextUrl2Id"></div>' + |
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104 '</li>' + |
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105 '<li>' + |
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106 '<span class="networkStatusText" id="networkStatusTextMsgId"/>' + |
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107 '</li>' + |
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108 '<li>' + |
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109 '<center><img id="networkStatus_okId" class="networkStatusOkButton"/></center>' + |
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110 '</li>' + |
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111 '</ul>' + |
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112 '</div>'; |
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113 document.write(html); |
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114 new SimpleButton("networkStatus_okId", |
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115 "networkstatus.snippet/icons/button_dialog_ok_wait.png", |
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116 "networkstatus.snippet/icons/button_dialog_ok_press.png", |
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117 "", |
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118 this.onOkPressed.bind(this)); |
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119 } |
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120 |
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121 this.onOkPressed = function() { |
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122 this.hideNetworkStatus(); |
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123 } |
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124 |
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125 this.setupPage(); |
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126 |
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127 chrome.chromeComplete.connect(onChromeComplete.bind(this)); |
28 } |
128 } |
29 |
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30 // "Private" methods |
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31 function processLoadStatus(ok) { |
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32 |
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33 var htmlText = "Page load ok"; |
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34 if (!ok) |
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35 htmlText = window.localeDelegate.translateText("page_load_failed"); |
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36 var ele = document.getElementById("NetworkStatusTextId"); |
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37 if (ele) { |
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38 ele.innerHTML = htmlText; |
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39 } |
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40 else { |
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41 document.write(htmlText); |
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42 } |
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43 |
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44 } |
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45 |
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46 // "Private" methods |
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47 function setupPage() { |
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48 // var image = 'networkstatus.snippet/icons/network_status_icon.png'; |
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49 |
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50 var html = |
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51 '<div class="networkStatusBox">' + |
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52 '<table><tr>' + |
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53 // '<td class="networkStatusIcon">' + |
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54 // '<img src="' + image + '" alt="">' + |
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55 // '</td>' + |
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56 '<td class="networkStatusText" id="NetworkStatusTextId">' + |
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57 'Replace with localized message text' + |
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58 '</td>' + |
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59 '</tr></table>' + |
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60 '</div>'; |
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61 document.write(html); |
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62 } |
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63 |
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64 // "Private" method |
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65 function showNetworkStatus() { |
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66 window.snippets.NetworkStatusChromeId.setPosition(10,80); |
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67 window.snippets.NetworkStatusChromeId.show(true); |
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68 window.snippets.NetworkStatusChromeId.repaint(); |
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69 } |
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70 |
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71 // "private" method |
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72 function hideNetworkStatus() { |
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73 window.snippets.NetworkStatusChromeId.setPosition(10,80); |
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74 window.snippets.NetworkStatusChromeId.hide(); |
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75 window.snippets.NetworkStatusChromeId.repaint(); |
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76 } |
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