1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/metro/base/content/startui/HistoryView.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,323 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +'use strict';
1.9 +
1.10 +function HistoryView(aSet, aFilterUnpinned) {
1.11 + View.call(this, aSet);
1.12 +
1.13 + this._inBatch = 0;
1.14 +
1.15 + // View monitors this for maximum tile display counts
1.16 + this.tilePrefName = "browser.display.startUI.history.maxresults";
1.17 + this.showing = this.maxTiles > 0;
1.18 +
1.19 + this._filterUnpinned = aFilterUnpinned;
1.20 + this._historyService = PlacesUtils.history;
1.21 + this._navHistoryService = gHistSvc;
1.22 +
1.23 + this._pinHelper = new ItemPinHelper("metro.history.unpinned");
1.24 + this._historyService.addObserver(this, false);
1.25 + StartUI.chromeWin.addEventListener('MozAppbarDismissing', this, false);
1.26 + StartUI.chromeWin.addEventListener('HistoryNeedsRefresh', this, false);
1.27 + window.addEventListener("TabClose", this, true);
1.28 +}
1.29 +
1.30 +HistoryView.prototype = Util.extend(Object.create(View.prototype), {
1.31 + _set: null,
1.32 + _toRemove: null,
1.33 +
1.34 + // For View's showing property
1.35 + get vbox() {
1.36 + return document.getElementById("start-history");
1.37 + },
1.38 +
1.39 + destruct: function destruct() {
1.40 + this._historyService.removeObserver(this);
1.41 + if (StartUI.chromeWin) {
1.42 + StartUI.chromeWin.removeEventListener('MozAppbarDismissing', this, false);
1.43 + StartUI.chromeWin.removeEventListener('HistoryNeedsRefresh', this, false);
1.44 + }
1.45 + View.prototype.destruct.call(this);
1.46 + },
1.47 +
1.48 + refreshView: function () {
1.49 + this.onClearHistory();
1.50 + this.populateGrid();
1.51 + },
1.52 +
1.53 + handleItemClick: function tabview_handleItemClick(aItem) {
1.54 + let url = aItem.getAttribute("value");
1.55 + StartUI.goToURI(url);
1.56 + },
1.57 +
1.58 + populateGrid: function populateGrid(aRefresh) {
1.59 + this._inBatch++; // always batch up grid updates to avoid redundant arrangeItems calls
1.60 + let query = this._navHistoryService.getNewQuery();
1.61 + let options = this._navHistoryService.getNewQueryOptions();
1.62 + options.excludeQueries = true;
1.63 + options.queryType = options.QUERY_TYPE_HISTORY;
1.64 + options.resultType = options.RESULTS_AS_URI;
1.65 + options.sortingMode = options.SORT_BY_DATE_DESCENDING;
1.66 +
1.67 + let limit = this.maxTiles;
1.68 + let result = this._navHistoryService.executeQuery(query, options);
1.69 + let rootNode = result.root;
1.70 + rootNode.containerOpen = true;
1.71 + let childCount = rootNode.childCount;
1.72 +
1.73 + for (let i = 0, addedCount = 0; i < childCount && addedCount < limit; i++) {
1.74 + let node = rootNode.getChild(i);
1.75 + let uri = node.uri;
1.76 + let title = (node.title && node.title.length) ? node.title : uri;
1.77 +
1.78 + // If item is marked for deletion, skip it.
1.79 + if (this._toRemove && this._toRemove.indexOf(uri) !== -1)
1.80 + continue;
1.81 +
1.82 + let items = this._set.getItemsByUrl(uri);
1.83 +
1.84 + // Item has been unpinned, skip if filterUnpinned set.
1.85 + if (this._filterUnpinned && !this._pinHelper.isPinned(uri)) {
1.86 + if (items.length > 0)
1.87 + this.removeHistory(uri);
1.88 +
1.89 + continue;
1.90 + }
1.91 +
1.92 + if (!aRefresh || items.length === 0) {
1.93 + // If we're not refreshing or the item is not in the grid, add it.
1.94 + this.addItemToSet(uri, title, node.icon, addedCount);
1.95 + } else if (aRefresh && items.length > 0) {
1.96 + // Update context action in case it changed in another view.
1.97 + for (let item of items) {
1.98 + this._setContextActions(item);
1.99 + }
1.100 + }
1.101 +
1.102 + addedCount++;
1.103 + }
1.104 +
1.105 + // Remove extra items in case a refresh added more than the limit.
1.106 + // This can happen when undoing a delete.
1.107 + if (aRefresh) {
1.108 + while (this._set.itemCount > limit)
1.109 + this._set.removeItemAt(this._set.itemCount - 1);
1.110 + }
1.111 +
1.112 + rootNode.containerOpen = false;
1.113 + this._set.arrangeItems();
1.114 + if (this._inBatch > 0)
1.115 + this._inBatch--;
1.116 + },
1.117 +
1.118 + addItemToSet: function addItemToSet(aURI, aTitle, aIcon, aPos) {
1.119 + let item = this._set.insertItemAt(aPos || 0, aTitle, aURI, this._inBatch);
1.120 + this._setContextActions(item);
1.121 + this._updateFavicon(item, aURI);
1.122 + },
1.123 +
1.124 + _setContextActions: function bv__setContextActions(aItem) {
1.125 + let uri = aItem.getAttribute("value");
1.126 + aItem.setAttribute("data-contextactions", "delete," + (this._pinHelper.isPinned(uri) ? "hide" : "pin"));
1.127 + if ("refresh" in aItem) aItem.refresh();
1.128 + },
1.129 +
1.130 + _sendNeedsRefresh: function bv__sendNeedsRefresh(){
1.131 + // Event sent when all views need to refresh.
1.132 + let event = document.createEvent("Events");
1.133 + event.initEvent("HistoryNeedsRefresh", true, false);
1.134 + window.dispatchEvent(event);
1.135 + },
1.136 +
1.137 + removeHistory: function (aUri) {
1.138 + let items = this._set.getItemsByUrl(aUri);
1.139 + for (let item of items)
1.140 + this._set.removeItem(item, true);
1.141 + if (!this._inBatch)
1.142 + this._set.arrangeItems();
1.143 + },
1.144 +
1.145 + doActionOnSelectedTiles: function bv_doActionOnSelectedTiles(aActionName, aEvent) {
1.146 + let tileGroup = this._set;
1.147 + let selectedTiles = tileGroup.selectedItems;
1.148 +
1.149 + // just arrange the grid once at the end of any action handling
1.150 + this._inBatch = true;
1.151 +
1.152 + switch (aActionName){
1.153 + case "delete":
1.154 + Array.forEach(selectedTiles, function(aNode) {
1.155 + if (!this._toRemove) {
1.156 + this._toRemove = [];
1.157 + }
1.158 +
1.159 + let uri = aNode.getAttribute("value");
1.160 +
1.161 + this._toRemove.push(uri);
1.162 + this.removeHistory(uri);
1.163 + }, this);
1.164 +
1.165 + // stop the appbar from dismissing
1.166 + aEvent.preventDefault();
1.167 +
1.168 + // at next tick, re-populate the context appbar.
1.169 + setTimeout(function(){
1.170 + // fire a MozContextActionsChange event to update the context appbar
1.171 + let event = document.createEvent("Events");
1.172 + // we need the restore button to show (the tile node will go away though)
1.173 + event.actions = ["restore"];
1.174 + event.initEvent("MozContextActionsChange", true, false);
1.175 + tileGroup.dispatchEvent(event);
1.176 + }, 0);
1.177 + break;
1.178 +
1.179 + case "restore":
1.180 + // clear toRemove and let _sendNeedsRefresh update the items.
1.181 + this._toRemove = null;
1.182 + break;
1.183 +
1.184 + case "unpin":
1.185 + Array.forEach(selectedTiles, function(aNode) {
1.186 + let uri = aNode.getAttribute("value");
1.187 +
1.188 + if (this._filterUnpinned)
1.189 + this.removeHistory(uri);
1.190 +
1.191 + this._pinHelper.setUnpinned(uri);
1.192 + }, this);
1.193 + break;
1.194 +
1.195 + case "pin":
1.196 + Array.forEach(selectedTiles, function(aNode) {
1.197 + let uri = aNode.getAttribute("value");
1.198 +
1.199 + this._pinHelper.setPinned(uri);
1.200 + }, this);
1.201 + break;
1.202 +
1.203 + default:
1.204 + this._inBatch = false;
1.205 + return;
1.206 + }
1.207 +
1.208 + this._inBatch = false;
1.209 + // Send refresh event so all view are in sync.
1.210 + this._sendNeedsRefresh();
1.211 + },
1.212 +
1.213 + handleEvent: function bv_handleEvent(aEvent) {
1.214 + switch (aEvent.type){
1.215 + case "MozAppbarDismissing":
1.216 + // If undo wasn't pressed, time to do definitive actions.
1.217 + if (this._toRemove) {
1.218 + for (let uri of this._toRemove) {
1.219 + this._historyService.removePage(NetUtil.newURI(uri));
1.220 + }
1.221 +
1.222 + // Clear context app bar
1.223 + let event = document.createEvent("Events");
1.224 + event.actions = [];
1.225 + event.initEvent("MozContextActionsChange", true, false);
1.226 + this._set.dispatchEvent(event);
1.227 +
1.228 + this._toRemove = null;
1.229 + }
1.230 + break;
1.231 +
1.232 + case "HistoryNeedsRefresh":
1.233 + this.populateGrid(true);
1.234 + break;
1.235 +
1.236 + case "TabClose":
1.237 + // Flush any pending actions - appbar will call us back
1.238 + // before this returns with 'MozAppbarDismissing' above.
1.239 + StartUI.chromeWin.ContextUI.dismissContextAppbar();
1.240 + break;
1.241 + }
1.242 + },
1.243 +
1.244 + // nsINavHistoryObserver & helpers
1.245 +
1.246 + onBeginUpdateBatch: function() {
1.247 + // Avoid heavy grid redraws while a batch is in process
1.248 + this._inBatch++;
1.249 + },
1.250 +
1.251 + onEndUpdateBatch: function() {
1.252 + this.populateGrid(true);
1.253 + if (this._inBatch > 0) {
1.254 + this._inBatch--;
1.255 + this._set.arrangeItems();
1.256 + }
1.257 + },
1.258 +
1.259 + onVisit: function(aURI, aVisitID, aTime, aSessionID,
1.260 + aReferringID, aTransitionType) {
1.261 + if (!this._inBatch) {
1.262 + this.populateGrid(true);
1.263 + }
1.264 + },
1.265 +
1.266 + onTitleChanged: function(aURI, aPageTitle) {
1.267 + let changedItems = this._set.getItemsByUrl(aURI.spec);
1.268 + for (let item of changedItems) {
1.269 + item.setAttribute("label", aPageTitle);
1.270 + }
1.271 + },
1.272 +
1.273 + onDeleteURI: function(aURI) {
1.274 + this.removeHistory(aURI.spec);
1.275 + },
1.276 +
1.277 + onClearHistory: function() {
1.278 + if ('clearAll' in this._set)
1.279 + this._set.clearAll();
1.280 + },
1.281 +
1.282 + onPageChanged: function(aURI, aWhat, aValue) {
1.283 + if (aWhat == Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON) {
1.284 + let changedItems = this._set.getItemsByUrl(aURI.spec);
1.285 + for (let item of changedItems) {
1.286 + let currIcon = item.getAttribute("iconURI");
1.287 + if (currIcon != aValue) {
1.288 + item.setAttribute("iconURI", aValue);
1.289 + if ("refresh" in item)
1.290 + item.refresh();
1.291 + }
1.292 + }
1.293 + }
1.294 + },
1.295 +
1.296 + onDeleteVisits: function (aURI, aVisitTime, aGUID, aReason, aTransitionType) {
1.297 + if ((aReason == Ci.nsINavHistoryObserver.REASON_DELETED) && !this._inBatch) {
1.298 + this.populateGrid(true);
1.299 + }
1.300 + },
1.301 +
1.302 + QueryInterface: function(iid) {
1.303 + if (iid.equals(Components.interfaces.nsINavHistoryObserver) ||
1.304 + iid.equals(Components.interfaces.nsISupports)) {
1.305 + return this;
1.306 + }
1.307 + throw Cr.NS_ERROR_NO_INTERFACE;
1.308 + }
1.309 +});
1.310 +
1.311 +let HistoryStartView = {
1.312 + _view: null,
1.313 + get _grid() { return document.getElementById("start-history-grid"); },
1.314 +
1.315 + init: function init() {
1.316 + this._view = new HistoryView(this._grid, true);
1.317 + this._view.populateGrid();
1.318 + this._grid.removeAttribute("fade");
1.319 + },
1.320 +
1.321 + uninit: function uninit() {
1.322 + if (this._view) {
1.323 + this._view.destruct();
1.324 + }
1.325 + }
1.326 +};
