browser/metro/modules/View.jsm@7e26c7da4463 (annotated)
browser/metro/modules/View.jsm
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | "use strict"; |
| michael@0 | 5 | |
| michael@0 | 6 | this.EXPORTED_SYMBOLS = ["View"]; |
| michael@0 | 7 | |
| michael@0 | 8 | Components.utils.import("resource://gre/modules/PlacesUtils.jsm"); |
| michael@0 | 9 | Components.utils.import("resource:///modules/colorUtils.jsm"); |
| michael@0 | 10 | Components.utils.import("resource://gre/modules/Services.jsm"); |
| michael@0 | 11 | Components.utils.import("resource://gre/modules/Task.jsm"); |
| michael@0 | 12 | |
| michael@0 | 13 | // -------------------------------- |
| michael@0 | 14 | // module helpers |
| michael@0 | 15 | // |
| michael@0 | 16 | |
| michael@0 | 17 | function makeURI(aURL, aOriginCharset, aBaseURI) { |
| michael@0 | 18 | return Services.io.newURI(aURL, aOriginCharset, aBaseURI); |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | // -------------------------------- |
| michael@0 | 22 | |
| michael@0 | 23 | |
| michael@0 | 24 | // -------------------------------- |
| michael@0 | 25 | // View prototype for shared functionality |
| michael@0 | 26 | |
| michael@0 | 27 | function View(aSet) { |
| michael@0 | 28 | this._set = aSet; |
| michael@0 | 29 | this._set.controller = this; |
| michael@0 | 30 | this._window = aSet.ownerDocument.defaultView; |
| michael@0 | 31 | this._maxTiles = 8; |
| michael@0 | 32 | this._tilePrefName = "unknown"; |
| michael@0 | 33 | |
| michael@0 | 34 | this.onResize = () => this._adjustDOMforViewState(); |
| michael@0 | 35 | this._window.addEventListener("resize", this.onResize); |
| michael@0 | 36 | |
| michael@0 | 37 | ColorUtils.init(); |
| michael@0 | 38 | this._adjustDOMforViewState(); |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | View.prototype = { |
| michael@0 | 42 | set maxTiles(aVal) { |
| michael@0 | 43 | this._maxTiles = aVal; |
| michael@0 | 44 | }, |
| michael@0 | 45 | |
| michael@0 | 46 | get maxTiles() { |
| michael@0 | 47 | return this._maxTiles; |
| michael@0 | 48 | }, |
| michael@0 | 49 | |
| michael@0 | 50 | set showing(aFlag) { |
| michael@0 | 51 | // 'vbox' must be defined on objects that inherit from us |
| michael@0 | 52 | this.vbox.setAttribute("hidden", aFlag ? "false" : "true"); |
| michael@0 | 53 | }, |
| michael@0 | 54 | |
| michael@0 | 55 | set tilePrefName(aStr) { |
| michael@0 | 56 | // Should be called once on init by objects that inherit from us |
| michael@0 | 57 | this._tilePrefName = aStr; |
| michael@0 | 58 | this._maxTiles = Services.prefs.getIntPref(this._tilePrefName); |
| michael@0 | 59 | Services.prefs.addObserver(this._tilePrefName, this, false); |
| michael@0 | 60 | }, |
| michael@0 | 61 | |
| michael@0 | 62 | destruct: function () { |
| michael@0 | 63 | this._window.removeEventListener("resize", this.onResize); |
| michael@0 | 64 | if (this._tilePrefName != "unknown") { |
| michael@0 | 65 | Services.prefs.removeObserver(this._tilePrefName, this); |
| michael@0 | 66 | } |
| michael@0 | 67 | }, |
| michael@0 | 68 | |
| michael@0 | 69 | _adjustDOMforViewState: function _adjustDOMforViewState(aState) { |
| michael@0 | 70 | let grid = this._set; |
| michael@0 | 71 | if (!grid) { |
| michael@0 | 72 | return; |
| michael@0 | 73 | } |
| michael@0 | 74 | if (!aState) { |
| michael@0 | 75 | aState = grid.getAttribute("viewstate"); |
| michael@0 | 76 | } |
| michael@0 | 77 | switch (aState) { |
| michael@0 | 78 | case "snapped": |
| michael@0 | 79 | grid.setAttribute("nocontext", true); |
| michael@0 | 80 | grid.selectNone(); |
| michael@0 | 81 | grid.disableCrossSlide(); |
| michael@0 | 82 | break; |
| michael@0 | 83 | case "portrait": |
| michael@0 | 84 | grid.removeAttribute("nocontext"); |
| michael@0 | 85 | grid.setAttribute("vertical", true); |
| michael@0 | 86 | grid.enableCrossSlide(); |
| michael@0 | 87 | break; |
| michael@0 | 88 | default: |
| michael@0 | 89 | grid.removeAttribute("nocontext"); |
| michael@0 | 90 | grid.removeAttribute("vertical"); |
| michael@0 | 91 | grid.enableCrossSlide(); |
| michael@0 | 92 | } |
| michael@0 | 93 | if ("arrangeItems" in grid) { |
| michael@0 | 94 | grid.arrangeItems(); |
| michael@0 | 95 | } |
| michael@0 | 96 | }, |
| michael@0 | 97 | |
| michael@0 | 98 | _updateFavicon: function pv__updateFavicon(aItem, aUri) { |
| michael@0 | 99 | if ("string" == typeof aUri) { |
| michael@0 | 100 | aUri = makeURI(aUri); |
| michael@0 | 101 | } |
| michael@0 | 102 | PlacesUtils.favicons.getFaviconURLForPage(aUri, this._gotIcon.bind(this, aItem)); |
| michael@0 | 103 | }, |
| michael@0 | 104 | |
| michael@0 | 105 | _gotIcon: function pv__gotIcon(aItem, aIconUri) { |
| michael@0 | 106 | if (!aIconUri) { |
| michael@0 | 107 | aItem.removeAttribute("iconURI"); |
| michael@0 | 108 | if (aItem.refresh) { |
| michael@0 | 109 | aItem.refresh(); |
| michael@0 | 110 | } |
| michael@0 | 111 | return; |
| michael@0 | 112 | } |
| michael@0 | 113 | if ("string" == typeof aIconUri) { |
| michael@0 | 114 | aIconUri = makeURI(aIconUri); |
| michael@0 | 115 | } |
| michael@0 | 116 | let faviconURL = (PlacesUtils.favicons.getFaviconLinkForIcon(aIconUri)).spec; |
| michael@0 | 117 | aItem.iconSrc = faviconURL; |
| michael@0 | 118 | |
| michael@0 | 119 | let xpFaviconURI = makeURI(faviconURL.replace("moz-anno:favicon:","")); |
| michael@0 | 120 | Task.spawn(function() { |
| michael@0 | 121 | let colorInfo = yield ColorUtils.getForegroundAndBackgroundIconColors(xpFaviconURI); |
| michael@0 | 122 | if (!(colorInfo && colorInfo.background && colorInfo.foreground)) { |
| michael@0 | 123 | return; |
| michael@0 | 124 | } |
| michael@0 | 125 | let { background, foreground } = colorInfo; |
| michael@0 | 126 | aItem.style.color = foreground; //color text |
| michael@0 | 127 | aItem.setAttribute("customColor", background); |
| michael@0 | 128 | let matteColor = 0xffffff; // white |
| michael@0 | 129 | let alpha = 0.04; // the tint weight |
| michael@0 | 130 | let [,r,g,b] = background.match(/rgb\((\d+),(\d+),(\d+)/); |
| michael@0 | 131 | // get the rgb value that represents this color at given opacity over a white matte |
| michael@0 | 132 | let tintColor = ColorUtils.addRgbColors(matteColor, ColorUtils.createDecimalColorWord(r,g,b,alpha)); |
| michael@0 | 133 | aItem.setAttribute("tintColor", ColorUtils.convertDecimalToRgbColor(tintColor)); |
| michael@0 | 134 | // when bound, use the setter to propogate the color change through the tile |
| michael@0 | 135 | if ('color' in aItem) { |
| michael@0 | 136 | aItem.color = background; |
| michael@0 | 137 | } |
| michael@0 | 138 | }); |
| michael@0 | 139 | }, |
| michael@0 | 140 | |
| michael@0 | 141 | refreshView: function () { |
| michael@0 | 142 | }, |
| michael@0 | 143 | |
| michael@0 | 144 | observe: function (aSubject, aTopic, aState) { |
| michael@0 | 145 | switch (aTopic) { |
| michael@0 | 146 | case "nsPref:changed": { |
| michael@0 | 147 | if (aState == this._tilePrefName) { |
| michael@0 | 148 | let count = Services.prefs.getIntPref(this._tilePrefName); |
| michael@0 | 149 | this.maxTiles = count; |
| michael@0 | 150 | this.showing = this.maxTiles > 0; |
| michael@0 | 151 | this.refreshView(); |
| michael@0 | 152 | } |
| michael@0 | 153 | break; |
| michael@0 | 154 | } |
| michael@0 | 155 | } |
| michael@0 | 156 | } |
| michael@0 | 157 | }; |
