coneybeare/save_to_downloads.js

## save_to_downloads.js
// Problems: http://stackoverflow.com/questions/14033588/javascript-click-method-only-works-once-in-chrome-extension
function _anchorDownloader(url, filename) {
  var timeout = 500;
  return 'javascript:\'<!doctype html><html>'+
    '<head></head>' +
    '<script>' +
      'function initDownload() {'+
        'var el = document.getElementById("anchor");'+
        'el.click();' +
        'setTimeout(function() { window.close(); }, ' + timeout + ');' +
      '}'+
    '</script>' +
    '<body onload="initDownload()">' +
      '<a id="anchor" href="' + url + '" download="'+ filename + '"></a>'+
    '</body>' +
    '</html>\'';
};

// A generic onclick callback function.
function downloadResource(info, tab) {
  var url = info['srcUrl'];
  console.log("url: " + url);
  var filename = url.substring(url.lastIndexOf('/')+1);
  if (chrome.downloads) {
    chrome.downloads.download({ url: url, filename: filename, saveAs: false });
  } else {
    var a = document.createElement('a');
    a.href = url;
    a.download = filename;
    // a.click();
    chrome.tabs.create( { 'url' : _anchorDownloader( url, filename ), 'active' : false  } ); // gets around the download limit
  }
}

// Register the contextual menu
chrome.contextMenus.create({"title": "Save Image to Downloads…", "contexts":["image"], "onclick": downloadResource});
	// Problems: http://stackoverflow.com/questions/14033588/javascript-click-method-only-works-once-in-chrome-extension
	function _anchorDownloader(url, filename) {
	var timeout = 500;
	return 'javascript:\'<!doctype html><html>'+
	'<head></head>' +
	'<script>' +
	'function initDownload() {'+
	'var el = document.getElementById("anchor");'+
	'el.click();' +
	'setTimeout(function() { window.close(); }, ' + timeout + ');' +
	'}'+
	'</script>' +
	'<body onload="initDownload()">' +
	'<a id="anchor" href="' + url + '" download="'+ filename + '"></a>'+
	'</body>' +
	'</html>\'';
	};

	// A generic onclick callback function.
	function downloadResource(info, tab) {
	var url = info['srcUrl'];
	console.log("url: " + url);
	var filename = url.substring(url.lastIndexOf('/')+1);
	if (chrome.downloads) {
	chrome.downloads.download({ url: url, filename: filename, saveAs: false });
	} else {
	var a = document.createElement('a');
	a.href = url;
	a.download = filename;
	// a.click();
	chrome.tabs.create( { 'url' : _anchorDownloader( url, filename ), 'active' : false } ); // gets around the download limit
	}
	}

	// Register the contextual menu
	chrome.contextMenus.create({"title": "Save Image to Downloads…", "contexts":["image"], "onclick": downloadResource});