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Google Image Search Context Menu

Add Search Image context menu

当前为 2017-04-05 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name					Google Image Search Context Menu
  3. // @namespace				lkytal
  4. // @description				Add Search Image context menu
  5. // @author					lkytal
  6. // @license					GPL
  7. // @include					*
  8. // @version					3.0.6
  9. // @icon					http://lkytal.qiniudn.com/ic.ico
  10. // @grant					GM_openInTab
  11. // @homepageURL				https://git.oschina.net/coldfire/GM
  12. // ==/UserScript==
  13.  
  14. //if (!("contextMenu" in document.documentElement && "HTMLMenuItemElement" in window)) return;
  15.  
  16. var body = document.body;
  17. body.addEventListener("contextmenu", initMenu, false);
  18.  
  19. var menu = body.appendChild(document.createElement("menu"));
  20. menu.outerHTML = '<menu id="userscript-search-by-image" type="context">\
  21. 					<menuitem id="SearchGoogle" label="Search image via google"\
  22. 							  icon="data:image/png;base64,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">\
  23. 					</menuitem>\
  24. 					<menuitem id="SearchBaidu" label="Search image via Baidu"></menuitem>\
  25. 				</menu>';
  26.  
  27. document.querySelector("#SearchGoogle").addEventListener("click", searchImage, false);
  28. document.querySelector("#SearchBaidu").addEventListener("click", search_baidu, false);
  29.  
  30. function initMenu(aEvent)
  31. {
  32. 	var node = aEvent.target;
  33. 	var item = document.querySelectorAll("#userscript-search-by-image menuitem");
  34.  
  35. 	if (node.localName == "img")
  36. 	{
  37. 		body.setAttribute("contextmenu", "userscript-search-by-image");
  38.  
  39. 		for (var i = item.length - 1; i > -1; i--)
  40. 		{
  41. 			item[i].setAttribute("imageURL", node.src);
  42. 		}
  43. 	}
  44. 	else
  45. 	{
  46. 		body.removeAttribute("contextmenu");
  47. 		//item.removeAttribute("imageURL");
  48. 	}
  49. }
  50.  
  51. function addParamsToForm(aForm, aKey, aValue)
  52. {
  53. 	var hiddenField = document.createElement("input");
  54. 	hiddenField.setAttribute("type", "hidden");
  55. 	hiddenField.setAttribute("name", aKey);
  56. 	hiddenField.setAttribute("value", aValue);
  57. 	aForm.appendChild(hiddenField);
  58. }
  59.  
  60. function searchImage(aEvent)
  61. {
  62. 	// Executed when user click on menuitem
  63. 	// aEvent.target is the <menuitem> element
  64. 	var imageURL = aEvent.target.getAttribute("imageURL");
  65.  
  66. 	if (imageURL.indexOf("data:") == 0)
  67. 	{
  68. 		var base64Offset = imageURL.indexOf(",");
  69. 		if (base64Offset != -1)
  70. 		{
  71. 			var inlineImage = imageURL.substring(base64Offset + 1).replace(/\+/g, "-").replace(/\//g, "_").replace(/\./g, "=");
  72.  
  73. 			var form = document.createElement("form");
  74. 			form.setAttribute("method", "POST");
  75. 			form.setAttribute("action", "//www.google.com/searchbyimage/upload");
  76. 			form.setAttribute("enctype", "multipart/form-data");
  77. 			form.setAttribute("target", "_blank");
  78. 			addParamsToForm(form, "image_content", inlineImage);
  79. 			addParamsToForm(form, "filename", "");
  80. 			addParamsToForm(form, "image_url", "");
  81. 			body.appendChild(form);
  82. 			form.submit();
  83. 		}
  84. 	}
  85. 	else
  86. 	{
  87. 		GM_openInTab("//www.google.com/searchbyimage?image_url=" + encodeURIComponent(imageURL));
  88. 	}
  89. }
  90.  
  91. function search_baidu(aEvent)
  92. {
  93. 	var imageURL = aEvent.target.getAttribute("imageURL");
  94.  
  95. 	GM_openInTab("//image.baidu.com/n/pc_search?queryImageUrl=" + encodeURIComponent(imageURL) + "&uptype=urlsearch");
  96. }