// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const GObject = imports.gi.GObject; const Gtk = imports.gi.Gtk; const GMenu = imports.gi.GMenu; const Shell = imports.gi.Shell; const Lang = imports.lang; const Signals = imports.signals; const Meta = imports.gi.Meta; const St = imports.gi.St; const Mainloop = imports.mainloop; const Atk = imports.gi.Atk; const AppFavorites = imports.ui.appFavorites; const BoxPointer = imports.ui.boxpointer; const DND = imports.ui.dnd; const IconGrid = imports.ui.iconGrid; const Main = imports.ui.main; const Overview = imports.ui.overview; const OverviewControls = imports.ui.overviewControls; const PopupMenu = imports.ui.popupMenu; const Tweener = imports.ui.tweener; const Workspace = imports.ui.workspace; const Params = imports.misc.params; const Util = imports.misc.util; const MAX_APPLICATION_WORK_MILLIS = 75; const MENU_POPUP_TIMEOUT = 600; const MAX_COLUMNS = 6; const MIN_COLUMNS = 4; const MIN_ROWS = 4; const INACTIVE_GRID_OPACITY = 77; const INACTIVE_GRID_OPACITY_ANIMATION_TIME = 0.40; const FOLDER_SUBICON_FRACTION = .4; const MIN_FREQUENT_APPS_COUNT = 3; const INDICATORS_ANIMATION_TIME = 0.5; // 100% means indicators wait for be animated until the previous one // is animated completely. 0% means all animators are animated // at once without delay const INDICATORS_ANIMATION_DELAY_PERCENTAGE = 50; // Fraction of page height the finger or mouse must reach // to change page const PAGE_SWITCH_TRESHOLD = 0.2; const PAGE_SWITCH_TIME = 0.3; // Recursively load a GMenuTreeDirectory; we could put this in ShellAppSystem too function _loadCategory(dir, view) { let iter = dir.iter(); let appSystem = Shell.AppSystem.get_default(); let nextType; while ((nextType = iter.next()) != GMenu.TreeItemType.INVALID) { if (nextType == GMenu.TreeItemType.ENTRY) { let entry = iter.get_entry(); let app = appSystem.lookup_app_by_tree_entry(entry); if (!entry.get_app_info().get_nodisplay()) view.addApp(app); } else if (nextType == GMenu.TreeItemType.DIRECTORY) { let itemDir = iter.get_directory(); if (!itemDir.get_is_nodisplay()) _loadCategory(itemDir, view); } } }; const BaseAppView = new Lang.Class({ Name: 'BaseAppView', Abstract: true, _init: function(params, gridParams) { gridParams = Params.parse(gridParams, { xAlign: St.Align.MIDDLE, columnLimit: MAX_COLUMNS, minRows: MIN_ROWS, minColumns: MIN_COLUMNS, fillParent: false, padWithSpacing: true }); params = Params.parse(params, { usePagination: false }); if(params.usePagination) this._grid = new IconGrid.PaginatedIconGrid(gridParams); else this._grid = new IconGrid.IconGrid(gridParams); // Standard hack for ClutterBinLayout this._grid.actor.x_expand = true; this._items = {}; this._allItems = []; }, removeAll: function() { this._grid.removeAll(); this._items = {}; this._allItems = []; }, _getItemId: function(item) { throw new Error('Not implemented'); }, _createItemIcon: function(item) { throw new Error('Not implemented'); }, _compareItems: function(a, b) { throw new Error('Not implemented'); }, _addItem: function(item) { let id = this._getItemId(item); if (this._items[id] !== undefined) return null; let itemIcon = this._createItemIcon(item); this._allItems.push(item); this._items[id] = itemIcon; return itemIcon; }, loadGrid: function() { this._allItems.sort(this._compareItems); for (let i = 0; i < this._allItems.length; i++) { let id = this._getItemId(this._allItems[i]); if (!id) continue; this._grid.addItem(this._items[id]); } this.emit('view-loaded'); }, _selectAppInternal: function(id) { if (this._items[id]) this._items[id].actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false); else log('No such application ' + id); }, selectApp: function(id) { if (this._items[id] && this._items[id].actor.mapped) { this._selectAppInternal(id); } else if (this._items[id]) { // Need to wait until the view is mapped let signalId = this._items[id].actor.connect('notify::mapped', Lang.bind(this, function(actor) { if (actor.mapped) { actor.disconnect(signalId); this._selectAppInternal(id); } })); } else { // Need to wait until the view is built let signalId = this.connect('view-loaded', Lang.bind(this, function() { this.disconnect(signalId); this.selectApp(id); })); } } }); Signals.addSignalMethods(BaseAppView.prototype); // Ignore child size requests to use the available size from the parent const PagesBin = new Lang.Class({ Name: 'PagesBin', Extends: St.Bin, vfunc_get_preferred_height: function (forWidth) { return [0, 0]; }, vfunc_get_preferred_width: function(forHeight) { return [0, 0]; } }); const PageIndicators = new Lang.Class({ Name:'PageIndicators', _init: function() { this.actor = new St.BoxLayout({ style_class: 'page-indicators', vertical: true, x_expand: true, y_expand: true, x_align: Clutter.ActorAlign.END, y_align: Clutter.ActorAlign.CENTER }); this._nPages = 0; this._currentPage = undefined; this.actor.connect('notify::mapped', Lang.bind(this, this._animateIndicators)); }, setNPages: function(nPages) { if (this._nPages == nPages) return; let diff = nPages - this._nPages; if (diff > 0) { for (let i = 0; i < diff; i++) { let pageIndex = this._nPages + i; let indicator = new St.Button({ style_class: 'page-indicator', button_mask: St.ButtonMask.ONE | St.ButtonMask.TWO | St.ButtonMask.THREE, toggle_mode: true, checked: pageIndex == this._currentPage }); indicator.child = new St.Widget({ style_class: 'page-indicator-icon' }); indicator.connect('clicked', Lang.bind(this, function() { this.emit('page-activated', pageIndex); })); this.actor.add_actor(indicator); } } else { let children = this.actor.get_children().splice(diff); for (let i = 0; i < children.length; i++) children[i].destroy(); } this._nPages = nPages; this.actor.visible = (this._nPages > 1); }, setCurrentPage: function(currentPage) { this._currentPage = currentPage; let children = this.actor.get_children(); for (let i = 0; i < children.length; i++) children[i].set_checked(i == this._currentPage); }, _animateIndicators: function() { if (!this.actor.mapped) return; let children = this.actor.get_children(); if (children.length == 0) return; let timePerChild = INDICATORS_ANIMATION_TIME / this._nPages; let delay = INDICATORS_ANIMATION_DELAY_PERCENTAGE / 100 * timePerChild; let [stageX, ] = children[0].get_transformed_position(); let offset; let monitor = Main.layoutManager.primaryMonitor; if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) offset = monitor.x - stageX - children[0].width; else offset = monitor.x + monitor.width - stageX; for (let i = 0; i < this._nPages; i++) { children[i].translation_x = offset; Tweener.addTween(children[i], { translation_x: 0, time: timePerChild, delay: delay * i, transition: 'easeOutQuad' }); } } }); Signals.addSignalMethods(PageIndicators.prototype); const AllView = new Lang.Class({ Name: 'AllView', Extends: BaseAppView, _init: function() { this.parent({ usePagination: true }, null); this._pagesBin = new PagesBin({ style_class: 'all-apps', x_expand: true, y_expand: true, x_fill: true, y_fill: false, reactive: true, y_align: St.Align.START }); this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout(), x_expand:true, y_expand:true }); this.actor.add_actor(this._pagesBin); this._pageIndicators = new PageIndicators(); this._pageIndicators.connect('page-activated', Lang.bind(this, function(indicators, pageIndex) { this.goToPage(pageIndex); })); this.actor.add_actor(this._pageIndicators.actor); this._folderIcons = []; this._stack = new St.Widget({ layout_manager: new Clutter.BinLayout() }); let box = new St.BoxLayout({ vertical: true }); this._verticalAdjustment = new St.Adjustment(); box.set_adjustments(new St.Adjustment() /* unused */, this._verticalAdjustment); this._currentPage = 0; this._stack.add_actor(this._grid.actor); this._eventBlocker = new St.Widget({ x_expand: true, y_expand: true }); this._stack.add_actor(this._eventBlocker); box.add_actor(this._stack); this._pagesBin.add_actor(box); this._pagesBin.connect('scroll-event', Lang.bind(this, this._onScroll)); let panAction = new Clutter.PanAction({ interpolate: false }); panAction.connect('pan', Lang.bind(this, this._onPan)); panAction.connect('gesture-cancel', Lang.bind(this, this._onPanEnd)); panAction.connect('gesture-end', Lang.bind(this, this._onPanEnd)); this._panAction = panAction; this._pagesBin.add_action(panAction); this._panning = false; this._clickAction = new Clutter.ClickAction(); this._clickAction.connect('clicked', Lang.bind(this, function() { if (!this._currentPopup) return; let [x, y] = this._clickAction.get_coords(); let actor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y); if (!this._currentPopup.actor.contains(actor)) this._currentPopup.popdown(); })); this._eventBlocker.add_action(this._clickAction); this._displayingPopup = false; this._availWidth = 0; this._availHeight = 0; Main.overview.connect('hidden', Lang.bind(this, function() { this.goToPage(0); })); this._grid.connect('space-opened', Lang.bind(this, function() { this.emit('space-ready'); })); this._grid.connect('space-closed', Lang.bind(this, function() { this._displayingPopup = false; })); }, getCurrentPageY: function() { return this._grid.getPageY(this._currentPage); }, goToPage: function(pageNumber) { if (this._currentPage == pageNumber && this._displayingPopup && this._currentPopup) return; if (this._displayingPopup && this._currentPopup) this._currentPopup.popdown(); let velocity; if (!this._panning) velocity = 0; else velocity = Math.abs(this._panAction.get_velocity(0)[2]); // Tween the change between pages. // If velocity is not specified (i.e. scrolling with mouse wheel), // use the same speed regardless of original position // if velocity is specified, it's in pixels per milliseconds let diffToPage = this._diffToPage(pageNumber); let childBox = this._pagesBin.get_allocation_box(); let totalHeight = childBox.y2 - childBox.y1; let time; // Only take the velocity into account on page changes, otherwise // return smoothly to the current page using the default velocity if (this._currentPage != pageNumber) { let minVelocity = totalHeight / (PAGE_SWITCH_TIME * 1000); velocity = Math.max(minVelocity, velocity); time = (diffToPage / velocity) / 1000; } else { time = PAGE_SWITCH_TIME * diffToPage / totalHeight; } // When changing more than one page, make sure to not take // longer than PAGE_SWITCH_TIME time = Math.min(time, PAGE_SWITCH_TIME); if (pageNumber < this._grid.nPages() && pageNumber >= 0) { this._currentPage = pageNumber; Tweener.addTween(this._verticalAdjustment, { value: this._grid.getPageY(this._currentPage), time: time, transition: 'easeOutQuad' }); this._pageIndicators.setCurrentPage(pageNumber); } }, _diffToPage: function (pageNumber) { let currentScrollPosition = this._verticalAdjustment.value; return Math.abs(currentScrollPosition - this._grid.getPageY(pageNumber)); }, openSpaceForPopup: function(item, side, nRows) { this._updateIconOpacities(true); this._displayingPopup = true; this._grid.openExtraSpace(item, side, nRows); }, _closeSpaceForPopup: function() { this._updateIconOpacities(false); this._grid.closeExtraSpace(); }, _onScroll: function(actor, event) { if(this._displayingPopup) return; let direction = event.get_scroll_direction(); if (direction == Clutter.ScrollDirection.UP) { if (this._currentPage > 0) this.goToPage(this._currentPage - 1); } else { if (direction == Clutter.ScrollDirection.DOWN) { if (this._currentPage < (this._grid.nPages() - 1)) this.goToPage(this._currentPage + 1); } } }, _onPan: function(action) { if (this._displayingPopup) return false; this._panning = true; this._clickAction.release(); let [dist, dx, dy] = action.get_motion_delta(0); let adjustment = this._verticalAdjustment; adjustment.value -= (dy / this._pagesBin.height) * adjustment.page_size; return false; }, _onPanEnd: function(action) { if (this._displayingPopup) return; let diffCurrentPage = this._diffToPage(this._currentPage); if (diffCurrentPage > this._pagesBin.height * PAGE_SWITCH_TRESHOLD) { if (action.get_velocity(0)[2] > 0 && this._currentPage > 0) this.goToPage(this._currentPage - 1); else if (this._currentPage < this._grid.nPages() - 1) this.goToPage(this._currentPage + 1); } else { this.goToPage(this._currentPage); } this._panning = false; }, _getItemId: function(item) { if (item instanceof Shell.App) return item.get_id(); else if (item instanceof GMenu.TreeDirectory) return item.get_menu_id(); else return null; }, _createItemIcon: function(item) { if (item instanceof Shell.App) return new AppIcon(item); else if (item instanceof GMenu.TreeDirectory) return new FolderIcon(item, this); else return null; }, _compareItems: function(itemA, itemB) { // bit of a hack: rely on both ShellApp and GMenuTreeDirectory // having a get_name() method let nameA = GLib.utf8_collate_key(itemA.get_name(), -1); let nameB = GLib.utf8_collate_key(itemB.get_name(), -1); return (nameA > nameB) ? 1 : (nameA < nameB ? -1 : 0); }, removeAll: function() { this._folderIcons = []; this.parent(); }, addApp: function(app) { let appIcon = this._addItem(app); if (appIcon) appIcon.actor.connect('key-focus-in', Lang.bind(this, this._ensureIconVisible)); }, addFolder: function(dir) { let folderIcon = this._addItem(dir); this._folderIcons.push(folderIcon); if (folderIcon) folderIcon.actor.connect('key-focus-in', Lang.bind(this, this._ensureIconVisible)); }, addFolderPopup: function(popup) { this._stack.add_actor(popup.actor); popup.connect('open-state-changed', Lang.bind(this, function(popup, isOpen) { this._eventBlocker.reactive = isOpen; this._currentPopup = isOpen ? popup : null; this._updateIconOpacities(isOpen); if(!isOpen) this._closeSpaceForPopup(); })); }, _ensureIconVisible: function(icon) { let itemPage = this._grid.getItemPage(icon); this.goToPage(itemPage); }, _updateAdjustment: function(availHeight) { this._verticalAdjustment.page_size = availHeight; this._verticalAdjustment.upper = this._stack.height; }, _updateIconOpacities: function(folderOpen) { for (let id in this._items) { let params, opacity; if (folderOpen && !this._items[id].actor.checked) opacity = INACTIVE_GRID_OPACITY; else opacity = 255; params = { opacity: opacity, time: INACTIVE_GRID_OPACITY_ANIMATION_TIME, transition: 'easeOutQuad' }; Tweener.addTween(this._items[id].actor, params); } }, // Called before allocation to calculate dynamic spacing adaptToSize: function(width, height) { let box = new Clutter.ActorBox(); box.x1 = 0; box.x2 = width; box.y1 = 0; box.y2 = height; box = this.actor.get_theme_node().get_content_box(box); box = this._pagesBin.get_theme_node().get_content_box(box); box = this._grid.actor.get_theme_node().get_content_box(box); let availWidth = box.x2 - box.x1; let availHeight = box.y2 - box.y1; let oldNPages = this._grid.nPages(); this._updateAdjustment(availHeight); this._grid.adaptToSize(availWidth, availHeight); if (this._availWidth != availWidth || this._availHeight != availHeight || oldNPages != this._grid.nPages()) { this._verticalAdjustment.value = 0; Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function() { this._pageIndicators.setNPages(this._grid.nPages()); this._pageIndicators.setCurrentPage(0); })); } this._availWidth = availWidth; this._availHeight = availHeight; // Update folder views for (let i = 0; i < this._folderIcons.length; i++) this._folderIcons[i].adaptToSize(availWidth, availHeight); } }); Signals.addSignalMethods(AllView.prototype); const FrequentView = new Lang.Class({ Name: 'FrequentView', Extends: BaseAppView, _init: function() { this.parent(null, { fillParent: true }); this.actor = new St.Widget({ style_class: 'frequent-apps', layout_manager: new Clutter.BinLayout(), x_expand: true, y_expand: true }); this._noFrequentAppsLabel = new St.Label({ text: _("Frequently used applications will appear here"), style_class: 'no-frequent-applications-label', x_align: Clutter.ActorAlign.CENTER, x_expand: true, y_align: Clutter.ActorAlign.CENTER, y_expand: true }); this._grid.actor.y_expand = true; this.actor.add_actor(this._grid.actor); this.actor.add_actor(this._noFrequentAppsLabel); this._noFrequentAppsLabel.hide(); this._usage = Shell.AppUsage.get_default(); }, hasUsefulData: function() { return this._usage.get_most_used("").length >= MIN_FREQUENT_APPS_COUNT; }, loadApps: function() { let mostUsed = this._usage.get_most_used (""); let hasUsefulData = this.hasUsefulData(); this._noFrequentAppsLabel.visible = !hasUsefulData; if(!hasUsefulData) return; for (let i = 0; i < mostUsed.length; i++) { if (!mostUsed[i].get_app_info().should_show()) continue; let appIcon = new AppIcon(mostUsed[i]); this._grid.addItem(appIcon, -1); } }, // Called before allocation to calculate dynamic spacing adaptToSize: function(width, height) { let box = new Clutter.ActorBox(); box.x1 = box.y1 = 0; box.x2 = width; box.y2 = height; box = this.actor.get_theme_node().get_content_box(box); box = this._grid.actor.get_theme_node().get_content_box(box); let availWidth = box.x2 - box.x1; let availHeight = box.y2 - box.y1; this._grid.adaptToSize(availWidth, availHeight); } }); const Views = { FREQUENT: 0, ALL: 1 }; const ControlsBoxLayout = Lang.Class({ Name: 'ControlsBoxLayout', Extends: Clutter.BoxLayout, /** * Override the BoxLayout behavior to use the maximum preferred width of all * buttons for each child */ vfunc_get_preferred_width: function(container, forHeight) { let maxMinWidth = 0; let maxNaturalWidth = 0; for (let child = container.get_first_child(); child; child = child.get_next_sibling()) { let [minWidth, natWidth] = child.get_preferred_width(forHeight); maxMinWidth = Math.max(maxMinWidth, minWidth); maxNaturalWidth = Math.max(maxNaturalWidth, natWidth); } let childrenCount = container.get_n_children(); let totalSpacing = this.spacing * (childrenCount - 1); return [maxMinWidth * childrenCount + totalSpacing, maxNaturalWidth * childrenCount + totalSpacing]; } }); const ViewStackLayout = new Lang.Class({ Name: 'ViewStackLayout', Extends: Clutter.BinLayout, vfunc_allocate: function (actor, box, flags) { let availWidth = box.x2 - box.x1; let availHeight = box.y2 - box.y1; // Prepare children of all views for the upcoming allocation, calculate all // the needed values to adapt available size this.emit('allocated-size-changed', availWidth, availHeight); this.parent(actor, box, flags); } }); Signals.addSignalMethods(ViewStackLayout.prototype); const AppDisplay = new Lang.Class({ Name: 'AppDisplay', _init: function() { this._appSystem = Shell.AppSystem.get_default(); this._appSystem.connect('installed-changed', Lang.bind(this, function() { Main.queueDeferredWork(this._allAppsWorkId); })); Main.overview.connect('showing', Lang.bind(this, function() { Main.queueDeferredWork(this._frequentAppsWorkId); })); global.settings.connect('changed::app-folder-categories', Lang.bind(this, function() { Main.queueDeferredWork(this._allAppsWorkId); })); this._privacySettings = new Gio.Settings({ schema: 'org.gnome.desktop.privacy' }); this._privacySettings.connect('changed::remember-app-usage', Lang.bind(this, this._updateFrequentVisibility)); this._views = []; let view, button; view = new FrequentView(); button = new St.Button({ label: _("Frequent"), style_class: 'app-view-control', can_focus: true, x_expand: true }); this._views[Views.FREQUENT] = { 'view': view, 'control': button }; view = new AllView(); button = new St.Button({ label: _("All"), style_class: 'app-view-control', can_focus: true, x_expand: true }); this._views[Views.ALL] = { 'view': view, 'control': button }; this.actor = new St.BoxLayout ({ style_class: 'app-display', x_expand: true, y_expand: true, vertical: true }); this._viewStackLayout = new ViewStackLayout(); this._viewStack = new St.Widget({ x_expand: true, y_expand: true, layout_manager: this._viewStackLayout }); this._viewStackLayout.connect('allocated-size-changed', Lang.bind(this, this._onAllocatedSizeChanged)); this.actor.add_actor(this._viewStack, { expand: true }); let layout = new ControlsBoxLayout({ homogeneous: true }); this._controls = new St.Widget({ style_class: 'app-view-controls', layout_manager: layout }); layout.hookup_style(this._controls); this.actor.add_actor(new St.Bin({ child: this._controls })); for (let i = 0; i < this._views.length; i++) { this._viewStack.add_actor(this._views[i].view.actor); this._controls.add_actor(this._views[i].control); let viewIndex = i; this._views[i].control.connect('clicked', Lang.bind(this, function(actor) { this._showView(viewIndex); })); } let frequentUseful = this._views[Views.FREQUENT].view.hasUsefulData(); this._showView(frequentUseful ? Views.FREQUENT : Views.ALL); this._updateFrequentVisibility(); // We need a dummy actor to catch the keyboard focus if the // user Ctrl-Alt-Tabs here before the deferred work creates // our real contents this._focusDummy = new St.Bin({ can_focus: true }); this._viewStack.add_actor(this._focusDummy); this._allAppsWorkId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplayAllApps)); this._frequentAppsWorkId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplayFrequentApps)); }, _showView: function(activeIndex) { for (let i = 0; i < this._views.length; i++) { let actor = this._views[i].view.actor; let params = { time: OverviewControls.SIDE_CONTROLS_ANIMATION_TIME, opacity: (i == activeIndex) ? 255 : 0 }; if (i == activeIndex) actor.visible = true; else params.onComplete = function() { actor.hide(); }; Tweener.addTween(actor, params); if (i == activeIndex) this._views[i].control.add_style_pseudo_class('checked'); else this._views[i].control.remove_style_pseudo_class('checked'); } }, _updateFrequentVisibility: function() { let enabled = this._privacySettings.get_boolean('remember-app-usage'); this._views[Views.FREQUENT].control.visible = enabled; let visibleViews = this._views.filter(function(v) { return v.control.visible; }); this._controls.visible = visibleViews.length > 1; if (!enabled && this._views[Views.FREQUENT].view.actor.visible) this._showView(Views.ALL); }, _redisplay: function() { this._redisplayFrequentApps(); this._redisplayAllApps(); }, _redisplayFrequentApps: function() { let view = this._views[Views.FREQUENT].view; view.removeAll(); view.loadApps(); }, _redisplayAllApps: function() { let view = this._views[Views.ALL].view; view.removeAll(); let tree = this._appSystem.get_tree(); let root = tree.get_root_directory(); let iter = root.iter(); let nextType; let folderCategories = global.settings.get_strv('app-folder-categories'); while ((nextType = iter.next()) != GMenu.TreeItemType.INVALID) { if (nextType == GMenu.TreeItemType.DIRECTORY) { let dir = iter.get_directory(); if (dir.get_is_nodisplay()) continue; if (folderCategories.indexOf(dir.get_menu_id()) != -1) view.addFolder(dir); else _loadCategory(dir, view); } } view.loadGrid(); if (this._focusDummy) { let focused = this._focusDummy.has_key_focus(); this._focusDummy.destroy(); this._focusDummy = null; if (focused) this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false); } }, selectApp: function(id) { this._showView(Views.ALL); this._views[Views.ALL].view.selectApp(id); }, _onAllocatedSizeChanged: function(actor, width, height) { let box = new Clutter.ActorBox(); box.x1 = box.y1 =0; box.x2 = width; box.y2 = height; box = this._viewStack.get_theme_node().get_content_box(box); let availWidth = box.x2 - box.x1; let availHeight = box.y2 - box.y1; for (let i = 0; i < this._views.length; i++) this._views[i].view.adaptToSize(availWidth, availHeight); } }) const AppSearchProvider = new Lang.Class({ Name: 'AppSearchProvider', _init: function() { this._appSys = Shell.AppSystem.get_default(); this.id = 'applications'; }, getResultMetas: function(apps, callback) { let metas = []; for (let i = 0; i < apps.length; i++) { let app = apps[i]; metas.push({ 'id': app, 'name': app.get_name(), 'createIcon': function(size) { return app.create_icon_texture(size); } }); } callback(metas); }, getInitialResultSet: function(terms) { this.searchSystem.setResults(this, this._appSys.initial_search(terms)); }, getSubsearchResultSet: function(previousResults, terms) { this.searchSystem.setResults(this, this._appSys.subsearch(previousResults, terms)); }, activateResult: function(app) { let event = Clutter.get_current_event(); let modifiers = event ? event.get_state() : 0; let openNewWindow = modifiers & Clutter.ModifierType.CONTROL_MASK; if (openNewWindow) app.open_new_window(-1); else app.activate(); }, dragActivateResult: function(id, params) { params = Params.parse(params, { workspace: -1, timestamp: 0 }); let app = this._appSys.lookup_app(id); app.open_new_window(workspace); }, createResultObject: function (resultMeta, terms) { let app = resultMeta['id']; return new AppIcon(app); } }); const FolderView = new Lang.Class({ Name: 'FolderView', Extends: BaseAppView, _init: function() { this.parent(null, null); // If it not expand, the parent doesn't take into account its preferred_width when allocating // the second time it allocates, so we apply the "Standard hack for ClutterBinLayout" this._grid.actor.x_expand = true; this.actor = new St.ScrollView({ overlay_scrollbars: true }); this.actor.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC); let scrollableContainer = new St.BoxLayout({ vertical: true, reactive: true }); scrollableContainer.add_actor(this._grid.actor); this.actor.add_actor(scrollableContainer); let action = new Clutter.PanAction({ interpolate: true }); action.connect('pan', Lang.bind(this, this._onPan)); this.actor.add_action(action); }, _getItemId: function(item) { return item.get_id(); }, _createItemIcon: function(item) { return new AppIcon(item); }, _compareItems: function(a, b) { return a.compare_by_name(b); }, addApp: function(app) { this._addItem(app); }, createFolderIcon: function(size) { let icon = new St.Widget({ layout_manager: new Clutter.BinLayout(), style_class: 'app-folder-icon', width: size, height: size }); let subSize = Math.floor(FOLDER_SUBICON_FRACTION * size); let aligns = [ Clutter.ActorAlign.START, Clutter.ActorAlign.END ]; for (let i = 0; i < Math.min(this._allItems.length, 4); i++) { let texture = this._allItems[i].create_icon_texture(subSize); let bin = new St.Bin({ child: texture, x_expand: true, y_expand: true }); bin.set_x_align(aligns[i % 2]); bin.set_y_align(aligns[Math.floor(i / 2)]); icon.add_actor(bin); } return icon; }, _onPan: function(action) { let [dist, dx, dy] = action.get_motion_delta(0); let adjustment = this.actor.vscroll.adjustment; adjustment.value -= (dy / this.actor.height) * adjustment.page_size; return false; }, adaptToSize: function(width, height) { this._parentAvailableWidth = width; this._parentAvailableHeight = height; this._grid.adaptToSize(width, height); // Set extra padding to avoid popup or close button being cut off this._grid.topPadding = Math.max(this._grid.topPadding - this._offsetForEachSide, 0); this._grid.bottomPadding = Math.max(this._grid.topPadding - this._offsetForEachSide, 0); this._grid.leftPadding = Math.max(this._grid.topPadding - this._offsetForEachSide, 0); this._grid.rightPadding = Math.max(this._grid.topPadding - this._offsetForEachSide, 0); this.actor.set_width(this.usedWidth()); this.actor.set_height(this.usedHeight()); }, _getPageAvailableSize: function() { let pageBox = new Clutter.ActorBox(); pageBox.x1 = pageBox.y1 = 0; pageBox.x2 = this._parentAvailableWidth; pageBox.y2 = this._parentAvailableHeight; let contentBox = this.actor.get_theme_node().get_content_box(pageBox); // We only can show icons inside the collection view boxPointer // so we have to substract the required padding etc of the boxpointer return [(contentBox.x2 - contentBox.x1) - 2 * this._offsetForEachSide, (contentBox.y2 - contentBox.y1) - 2 * this._offsetForEachSide]; }, usedWidth: function() { let [availWidthPerPage, availHeightPerPage] = this._getPageAvailableSize(); return this._grid.usedWidth(availWidthPerPage); }, usedHeight: function() { return this._grid.usedHeightForNRows(this.nRowsDisplayedAtOnce()); }, nRowsDisplayedAtOnce: function() { let [availWidthPerPage, availHeightPerPage] = this._getPageAvailableSize(); let maxRows = this._grid.rowsForHeight(availHeightPerPage) - 1; return Math.min(this._grid.nRows(availWidthPerPage), maxRows); }, setPaddingOffsets: function(offset) { this._offsetForEachSide = offset; } }); const FolderIcon = new Lang.Class({ Name: 'FolderIcon', _init: function(dir, parentView) { this._dir = dir; this._parentView = parentView; this.actor = new St.Button({ style_class: 'app-well-app app-folder', button_mask: St.ButtonMask.ONE, toggle_mode: true, can_focus: true, x_fill: true, y_fill: true }); this.actor._delegate = this; // whether we need to update arrow side, position etc. this._popupInvalidated = false; let label = this._dir.get_name(); this.icon = new IconGrid.BaseIcon(label, { createIcon: Lang.bind(this, this._createIcon), setSizeManually: true }); this.actor.set_child(this.icon.actor); this.actor.label_actor = this.icon.label; this.view = new FolderView(); _loadCategory(dir, this.view); this.view.loadGrid(); this.actor.connect('clicked', Lang.bind(this, function() { this._ensurePopup(); this.view.actor.vscroll.adjustment.value = 0; this._openSpaceForPopup(); })); this.actor.connect('notify::mapped', Lang.bind(this, function() { if (!this.actor.mapped && this._popup) this._popup.popdown(); })); }, _createIcon: function(iconSize) { return this.view.createFolderIcon(iconSize, this); }, _popupHeight: function() { let usedHeight = this.view.usedHeight() + this._popup.getOffset(St.Side.TOP) + this._popup.getOffset(St.Side.BOTTOM); return usedHeight; }, _openSpaceForPopup: function() { let id = this._parentView.connect('space-ready', Lang.bind(this, function() { this._parentView.disconnect(id); this._popup.popup(); this._updatePopupPosition(); })); this._parentView.openSpaceForPopup(this, this._boxPointerArrowside, this.view.nRowsDisplayedAtOnce()); }, _calculateBoxPointerArrowSide: function() { let spaceTop = this.actor.y - this._parentView.getCurrentPageY(); let spaceBottom = this._parentView.actor.height - (spaceTop + this.actor.height); return spaceTop > spaceBottom ? St.Side.BOTTOM : St.Side.TOP; }, _updatePopupSize: function() { // StWidget delays style calculation until needed, make sure we use the correct values this.view._grid.actor.ensure_style(); let offsetForEachSide = (this._popup.getOffset(St.Side.TOP) + this._popup.getOffset(St.Side.BOTTOM) - this._popup.getCloseButtonOverlap()) / 2; // Add extra padding to prevent boxpointer decorations and close button being cut off this.view.setPaddingOffsets(offsetForEachSide); this.view.adaptToSize(this._parentAvailableWidth, this._parentAvailableHeight); }, _updatePopupPosition: function() { if (!this._popup) return; if (this._boxPointerArrowside == St.Side.BOTTOM) this._popup.actor.y = this.actor.allocation.y1 + this.actor.translation_y - this._popupHeight(); else this._popup.actor.y = this.actor.allocation.y1 + this.actor.translation_y + this.actor.height; }, _ensurePopup: function() { if (this._popup && !this._popupInvalidated) return; this._boxPointerArrowside = this._calculateBoxPointerArrowSide(); if (!this._popup) { this._popup = new AppFolderPopup(this, this._boxPointerArrowside); this._parentView.addFolderPopup(this._popup); this._popup.connect('open-state-changed', Lang.bind(this, function(popup, isOpen) { if (!isOpen) this.actor.checked = false; })); } else { this._popup.updateArrowSide(this._boxPointerArrowside); } this._updatePopupSize(); this._updatePopupPosition(); this._popupInvalidated = false; }, adaptToSize: function(width, height) { this._parentAvailableWidth = width; this._parentAvailableHeight = height; if(this._popup) this.view.adaptToSize(width, height); this._popupInvalidated = true; }, }); const AppFolderPopup = new Lang.Class({ Name: 'AppFolderPopup', _init: function(source, side) { this._source = source; this._view = source.view; this._arrowSide = side; this._isOpen = false; this.parentOffset = 0; this.actor = new St.Widget({ layout_manager: new Clutter.BinLayout(), visible: false, // We don't want to expand really, but look // at the layout manager of our parent... // // DOUBLE HACK: if you set one, you automatically // get the effect for the other direction too, so // we need to set the y_align x_expand: true, y_expand: true, x_align: Clutter.ActorAlign.CENTER, y_align: Clutter.ActorAlign.START }); this._boxPointer = new BoxPointer.BoxPointer(this._arrowSide, { style_class: 'app-folder-popup-bin', x_fill: true, y_fill: true, x_expand: true, x_align: St.Align.START }); this._boxPointer.actor.style_class = 'app-folder-popup'; this.actor.add_actor(this._boxPointer.actor); this._boxPointer.bin.set_child(this._view.actor); this.closeButton = Util.makeCloseButton(); this.closeButton.connect('clicked', Lang.bind(this, this.popdown)); this.actor.add_actor(this.closeButton); this._boxPointer.actor.bind_property('opacity', this.closeButton, 'opacity', GObject.BindingFlags.SYNC_CREATE); global.focus_manager.add_group(this.actor); source.actor.connect('destroy', Lang.bind(this, function() { this.actor.destroy(); })); this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPress)); }, _onKeyPress: function(actor, event) { if (!this._isOpen) return false; if (event.get_key_symbol() != Clutter.KEY_Escape) return false; this.popdown(); return true; }, toggle: function() { if (this._isOpen) this.popdown(); else this.popup(); }, popup: function() { if (this._isOpen) return; this.actor.show(); this._boxPointer.setArrowActor(this._source.actor); this._boxPointer.show(BoxPointer.PopupAnimation.FADE | BoxPointer.PopupAnimation.SLIDE); this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false); this._isOpen = true; this.emit('open-state-changed', true); }, popdown: function() { if (!this._isOpen) return; this._boxPointer.hide(BoxPointer.PopupAnimation.FADE | BoxPointer.PopupAnimation.SLIDE); this._isOpen = false; this.emit('open-state-changed', false); }, getCloseButtonOverlap: function() { return this.closeButton.get_theme_node().get_length('-shell-close-overlap-y'); }, getOffset: function (side) { let offset = this._boxPointer.getPadding(side); if (this._arrowSide == side) offset += this._boxPointer.getArrowHeight(); return offset; }, updateArrowSide: function (side) { this._arrowSide = side; this._boxPointer.updateArrowSide(side); } }); Signals.addSignalMethods(AppFolderPopup.prototype); const AppIcon = new Lang.Class({ Name: 'AppIcon', _init : function(app, iconParams) { this.app = app; this.actor = new St.Button({ style_class: 'app-well-app', reactive: true, button_mask: St.ButtonMask.ONE | St.ButtonMask.TWO, can_focus: true, x_fill: true, y_fill: true }); this.actor._delegate = this; if (!iconParams) iconParams = {}; iconParams['createIcon'] = Lang.bind(this, this._createIcon); iconParams['setSizeManually'] = true; this.icon = new IconGrid.BaseIcon(app.get_name(), iconParams); this.actor.set_child(this.icon.actor); this.actor.label_actor = this.icon.label; this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress)); this.actor.connect('clicked', Lang.bind(this, this._onClicked)); this.actor.connect('popup-menu', Lang.bind(this, this._onKeyboardPopupMenu)); this._menu = null; this._menuManager = new PopupMenu.PopupMenuManager(this); this._draggable = DND.makeDraggable(this.actor); this._draggable.connect('drag-begin', Lang.bind(this, function () { this._removeMenuTimeout(); Main.overview.beginItemDrag(this); })); this._draggable.connect('drag-cancelled', Lang.bind(this, function () { Main.overview.cancelledItemDrag(this); })); this._draggable.connect('drag-end', Lang.bind(this, function () { Main.overview.endItemDrag(this); })); this.actor.connect('destroy', Lang.bind(this, this._onDestroy)); this._menuTimeoutId = 0; this._stateChangedId = this.app.connect('notify::state', Lang.bind(this, this._onStateChanged)); this._onStateChanged(); }, _onDestroy: function() { if (this._stateChangedId > 0) this.app.disconnect(this._stateChangedId); this._stateChangedId = 0; this._removeMenuTimeout(); }, _createIcon: function(iconSize) { return this.app.create_icon_texture(iconSize); }, _removeMenuTimeout: function() { if (this._menuTimeoutId > 0) { Mainloop.source_remove(this._menuTimeoutId); this._menuTimeoutId = 0; } }, _onStateChanged: function() { if (this.app.state != Shell.AppState.STOPPED) this.actor.add_style_class_name('running'); else this.actor.remove_style_class_name('running'); }, _onButtonPress: function(actor, event) { let button = event.get_button(); if (button == 1) { this._removeMenuTimeout(); this._menuTimeoutId = Mainloop.timeout_add(MENU_POPUP_TIMEOUT, Lang.bind(this, function() { this.popupMenu(); })); } else if (button == 3) { this.popupMenu(); return true; } return false; }, _onClicked: function(actor, button) { this._removeMenuTimeout(); if (button == 1) { this._onActivate(Clutter.get_current_event()); } else if (button == 2) { // Last workspace is always empty let launchWorkspace = global.screen.get_workspace_by_index(global.screen.n_workspaces - 1); launchWorkspace.activate(global.get_current_time()); this.emit('launching'); this.app.open_new_window(-1); Main.overview.hide(); } return false; }, _onKeyboardPopupMenu: function() { this.popupMenu(); this._menu.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false); }, getId: function() { return this.app.get_id(); }, popupMenu: function() { this._removeMenuTimeout(); this.actor.fake_release(); this._draggable.fakeRelease(); if (!this._menu) { this._menu = new AppIconMenu(this); this._menu.connect('activate-window', Lang.bind(this, function (menu, window) { this.activateWindow(window); })); this._menu.connect('open-state-changed', Lang.bind(this, function (menu, isPoppedUp) { if (!isPoppedUp) this._onMenuPoppedDown(); })); Main.overview.connect('hiding', Lang.bind(this, function () { this._menu.close(); })); this._menuManager.addMenu(this._menu); } this.emit('menu-state-changed', true); this.actor.set_hover(true); this._menu.popup(); this._menuManager.ignoreRelease(); this.emit('sync-tooltip'); return false; }, activateWindow: function(metaWindow) { if (metaWindow) { Main.activateWindow(metaWindow); } else { Main.overview.hide(); } }, _onMenuPoppedDown: function() { this.actor.sync_hover(); this.emit('menu-state-changed', false); }, _onActivate: function (event) { this.emit('launching'); let modifiers = event.get_state(); if (modifiers & Clutter.ModifierType.CONTROL_MASK && this.app.state == Shell.AppState.RUNNING) { this.app.open_new_window(-1); } else { this.app.activate(); } Main.overview.hide(); }, shellWorkspaceLaunch : function(params) { params = Params.parse(params, { workspace: -1, timestamp: 0 }); this.app.open_new_window(params.workspace); }, getDragActor: function() { return this.app.create_icon_texture(Main.overview.dashIconSize); }, // Returns the original actor that should align with the actor // we show as the item is being dragged. getDragActorSource: function() { return this.icon.icon; }, shouldShowTooltip: function() { return this.actor.hover && (!this._menu || !this._menu.isOpen); }, }); Signals.addSignalMethods(AppIcon.prototype); const AppIconMenu = new Lang.Class({ Name: 'AppIconMenu', Extends: PopupMenu.PopupMenu, _init: function(source) { let side = St.Side.LEFT; if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL) side = St.Side.RIGHT; this.parent(source.actor, 0.5, side); // We want to keep the item hovered while the menu is up this.blockSourceEvents = true; this._source = source; this.connect('activate', Lang.bind(this, this._onActivate)); this.actor.add_style_class_name('app-well-menu'); // Chain our visibility and lifecycle to that of the source source.actor.connect('notify::mapped', Lang.bind(this, function () { if (!source.actor.mapped) this.close(); })); source.actor.connect('destroy', Lang.bind(this, function () { this.actor.destroy(); })); Main.uiGroup.add_actor(this.actor); }, _redisplay: function() { this.removeAll(); let windows = this._source.app.get_windows(); // Display the app windows menu items and the separator between windows // of the current desktop and other windows. let activeWorkspace = global.screen.get_active_workspace(); let separatorShown = windows.length > 0 && windows[0].get_workspace() != activeWorkspace; for (let i = 0; i < windows.length; i++) { if (!separatorShown && windows[i].get_workspace() != activeWorkspace) { this._appendSeparator(); separatorShown = true; } let item = this._appendMenuItem(windows[i].title); item._window = windows[i]; } if (!this._source.app.is_window_backed()) { if (windows.length > 0) this._appendSeparator(); let isFavorite = AppFavorites.getAppFavorites().isFavorite(this._source.app.get_id()); this._newWindowMenuItem = this._appendMenuItem(_("New Window")); this._appendSeparator(); this._toggleFavoriteMenuItem = this._appendMenuItem(isFavorite ? _("Remove from Favorites") : _("Add to Favorites")); } }, _appendSeparator: function () { let separator = new PopupMenu.PopupSeparatorMenuItem(); this.addMenuItem(separator); }, _appendMenuItem: function(labelText) { // FIXME: app-well-menu-item style let item = new PopupMenu.PopupMenuItem(labelText); this.addMenuItem(item); return item; }, popup: function(activatingButton) { this._redisplay(); this.open(); }, _onActivate: function (actor, child) { if (child._window) { let metaWindow = child._window; this.emit('activate-window', metaWindow); } else if (child == this._newWindowMenuItem) { this._source.app.open_new_window(-1); this.emit('activate-window', null); } else if (child == this._toggleFavoriteMenuItem) { let favs = AppFavorites.getAppFavorites(); let isFavorite = favs.isFavorite(this._source.app.get_id()); if (isFavorite) favs.removeFavorite(this._source.app.get_id()); else favs.addFavorite(this._source.app.get_id()); } this.close(); } }); Signals.addSignalMethods(AppIconMenu.prototype);