gecko/browser/metro/modules/View.jsm
2013-08-16 16:56:50 -07:00

82 lines
2.6 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
this.EXPORTED_SYMBOLS = ["View"];
Components.utils.import("resource://gre/modules/PlacesUtils.jsm");
Components.utils.import("resource:///modules/colorUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");
// --------------------------------
// module helpers
//
function makeURI(aURL, aOriginCharset, aBaseURI) {
return Services.io.newURI(aURL, aOriginCharset, aBaseURI);
}
// --------------------------------
// --------------------------------
// View prototype for shared functionality
function View() {
}
View.prototype = {
_adjustDOMforViewState: function _adjustDOMforViewState(aState) {
if (this._set) {
if (undefined == aState)
aState = this._set.getAttribute("viewstate");
this._set.setAttribute("suppressonselect", (aState == "snapped"));
}
},
onViewStateChange: function (aState) {
this._adjustDOMforViewState(aState);
},
_updateFavicon: function pv__updateFavicon(aItem, aUri) {
if ("string" == typeof aUri) {
aUri = makeURI(aUri);
}
PlacesUtils.favicons.getFaviconURLForPage(aUri, this._gotIcon.bind(this, aItem));
},
_gotIcon: function pv__gotIcon(aItem, aIconUri) {
if (!aIconUri) {
aItem.removeAttribute("iconURI");
if (aItem.refresh) {
aItem.refresh();
}
return;
}
if ("string" == typeof aIconUri) {
aIconUri = makeURI(aIconUri);
}
aItem.iconSrc = aIconUri.spec;
let faviconURL = (PlacesUtils.favicons.getFaviconLinkForIcon(aIconUri)).spec;
let xpFaviconURI = makeURI(faviconURL.replace("moz-anno:favicon:",""));
let successAction = function(foreground, background) {
aItem.style.color = foreground; //color text
aItem.setAttribute("customColor", background);
let matteColor = 0xffffff; // white
let alpha = 0.04; // the tint weight
let [,r,g,b] = background.match(/rgb\((\d+),(\d+),(\d+)/);
// get the rgb value that represents this color at given opacity over a white matte
let tintColor = ColorUtils.addRgbColors(matteColor, ColorUtils.createDecimalColorWord(r,g,b,alpha));
aItem.setAttribute("tintColor", ColorUtils.convertDecimalToRgbColor(tintColor));
if (aItem.refresh) {
aItem.refresh();
}
};
let failureAction = function() {};
ColorUtils.getForegroundAndBackgroundIconColors(xpFaviconURI, successAction, failureAction);
}
};