gnome-shell/js/ui/appDisplay.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const Pango = imports.gi.Pango;
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Shell = imports.gi.Shell;
const Lang = imports.lang;
const Signals = imports.signals;
const Mainloop = imports.mainloop;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const AppIcon = imports.ui.appIcon;
const DND = imports.ui.dnd;
const GenericDisplay = imports.ui.genericDisplay;
const Main = imports.ui.main;
const Workspaces = imports.ui.workspaces;
const ENTERED_MENU_COLOR = new Clutter.Color();
ENTERED_MENU_COLOR.from_pixel(0x00ff0022);
const WELL_DEFAULT_COLUMNS = 4;
const WELL_ITEM_HSPACING = 0;
const WELL_ITEM_VSPACING = 4;
const WELL_MENU_POPUP_TIMEOUT_MS = 600;
const TRANSPARENT_COLOR = new Clutter.Color();
TRANSPARENT_COLOR.from_pixel(0x00000000);
const WELL_MENU_BACKGROUND_COLOR = new Clutter.Color();
WELL_MENU_BACKGROUND_COLOR.from_pixel(0x292929ff);
const WELL_MENU_FONT = 'Sans 14px';
const WELL_MENU_COLOR = new Clutter.Color();
WELL_MENU_COLOR.from_pixel(0xffffffff);
const WELL_MENU_SELECTED_COLOR = new Clutter.Color();
WELL_MENU_SELECTED_COLOR.from_pixel(0x005b97ff);
const WELL_MENU_BORDER_COLOR = new Clutter.Color();
WELL_MENU_BORDER_COLOR.from_pixel(0x787878ff);
const WELL_MENU_SEPARATOR_COLOR = new Clutter.Color();
WELL_MENU_SEPARATOR_COLOR.from_pixel(0x787878ff);
const WELL_MENU_BORDER_WIDTH = 1;
const WELL_MENU_ARROW_SIZE = 12;
const WELL_MENU_CORNER_RADIUS = 4;
const WELL_MENU_PADDING = 4;
const MENU_ICON_SIZE = 24;
const MENU_SPACING = 15;
const MAX_ITEMS = 30;
/* This class represents a single display item containing information about an application.
*
* appInfo - AppInfo object containing information about the application
*/
function AppDisplayItem(appInfo) {
this._init(appInfo);
}
AppDisplayItem.prototype = {
__proto__: GenericDisplay.GenericDisplayItem.prototype,
_init : function(appInfo) {
GenericDisplay.GenericDisplayItem.prototype._init.call(this);
this._appInfo = appInfo;
this._setItemInfo(appInfo.get_name(), appInfo.get_description());
},
getId: function() {
return this._appInfo.get_id();
},
//// Public method overrides ////
// Opens an application represented by this display item.
launch : function() {
this._appInfo.launch();
},
//// Protected method overrides ////
// Returns an icon for the item.
_createIcon : function() {
return this._appInfo.create_icon_texture(GenericDisplay.ITEM_DISPLAY_ICON_SIZE);
},
// Returns a preview icon for the item.
_createPreviewIcon : function() {
return this._appInfo.create_icon_texture(GenericDisplay.PREVIEW_ICON_SIZE);
},
shellWorkspaceLaunch: function() {
this.launch();
}
};
const MENU_UNSELECTED = 0;
const MENU_SELECTED = 1;
const MENU_ENTERED = 2;
function MenuItem(name, id, iconName) {
this._init(name, id, iconName);
}
/**
* MenuItem:
* Shows the list of menus in the sidebar.
*/
MenuItem.prototype = {
_init: function(name, id, iconName) {
this.id = id;
this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
spacing: 4,
corner_radius: 4,
padding_right: 4,
reactive: true });
this.actor.connect('button-press-event', Lang.bind(this, function (a, e) {
this.setState(MENU_SELECTED);
}));
let iconTheme = Gtk.IconTheme.get_default();
let pixbuf = null;
this._icon = new Clutter.Texture({ width: MENU_ICON_SIZE,
height: MENU_ICON_SIZE });
// Wine manages not to have an icon
try {
pixbuf = iconTheme.load_icon(iconName, MENU_ICON_SIZE, 0 /* flags */);
} catch (e) {
pixbuf = iconTheme.load_icon('gtk-file', MENU_ICON_SIZE, 0);
}
if (pixbuf != null)
Shell.clutter_texture_set_from_pixbuf(this._icon, pixbuf);
this.actor.append(this._icon, Big.BoxPackFlags.NONE);
this._text = new Clutter.Text({ color: GenericDisplay.ITEM_DISPLAY_NAME_COLOR,
font_name: "Sans 14px",
text: name });
// We use individual boxes for the label and the arrow to ensure that they
// are aligned vertically. Just setting y_align: Big.BoxAlignment.CENTER
// on this.actor does not seem to achieve that.
let labelBox = new Big.Box({ y_align: Big.BoxAlignment.CENTER });
labelBox.append(this._text, Big.BoxPackFlags.NONE);
this.actor.append(labelBox, Big.BoxPackFlags.EXPAND);
let arrowBox = new Big.Box({ y_align: Big.BoxAlignment.CENTER });
this._arrow = new Shell.Arrow({ surface_width: MENU_ICON_SIZE / 2,
surface_height: MENU_ICON_SIZE / 2,
direction: Gtk.ArrowType.RIGHT,
opacity: 0 });
arrowBox.append(this._arrow, Big.BoxPackFlags.NONE);
this.actor.append(arrowBox, Big.BoxPackFlags.NONE);
},
getState: function() {
return this._state;
},
setState: function (state) {
if (state == this._state)
return;
this._state = state;
if (this._state == MENU_UNSELECTED) {
this.actor.background_color = null;
this._arrow.set_opacity(0);
} else if (this._state == MENU_ENTERED) {
this.actor.background_color = ENTERED_MENU_COLOR;
this._arrow.set_opacity(0xFF/2);
} else {
this.actor.background_color = GenericDisplay.ITEM_DISPLAY_SELECTED_BACKGROUND_COLOR;
this._arrow.set_opacity(0xFF);
}
this.emit('state-changed')
}
}
Signals.addSignalMethods(MenuItem.prototype);
/* This class represents a display containing a collection of application items.
* The applications are sorted based on their popularity by default, and based on
* their name if some search filter is applied.
*/
function AppDisplay() {
this._init();
}
AppDisplay.prototype = {
__proto__: GenericDisplay.GenericDisplay.prototype,
_init : function() {
GenericDisplay.GenericDisplay.prototype._init.call(this);
this._menus = [];
this._menuDisplays = [];
// map<itemId, array of category names>
this._appCategories = {};
this._appMonitor = Shell.AppMonitor.get_default();
this._appSystem = Shell.AppSystem.get_default();
this._appsStale = true;
this._appSystem.connect('installed-changed', Lang.bind(this, function(appSys) {
this._appsStale = true;
this._redisplay(false);
this._redisplayMenus();
}));
this._appSystem.connect('favorites-changed', Lang.bind(this, function(appSys) {
this._redisplay(false);
}));
this._appMonitor.connect('app-added', Lang.bind(this, function(monitor) {
this._redisplay(false);
}));
this._appMonitor.connect('app-removed', Lang.bind(this, function(monitor) {
this._redisplay(false);
}));
// Load the apps now so it doesn't slow down the first
// transition into the Overview
this._refreshCache();
this._focusInMenus = true;
this._activeMenuIndex = -1;
this._activeMenu = null;
this._activeMenuApps = null;
this._menuDisplay = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
spacing: MENU_SPACING
});
this._redisplayMenus();
this.connect('expanded', Lang.bind(this, function (self) {
this._filterReset();
}));
this._filterReset();
},
moveRight: function() {
if (this._expanded && this._focusInMenu) {
this._focusInMenu = false;
this._activeMenu.setState(MENU_ENTERED);
this.selectFirstItem();
}
},
moveLeft: function() {
if (this._expanded && !this._focusInMenu) {
this._activeMenu.setState(MENU_SELECTED);
this.unsetSelected();
this._focusInMenu = true;
}
},
// Override genericDisplay.js
getNavigationArea: function() {
return this._menuDisplay;
},
selectUp: function() {
if (!(this._expanded && this._focusInMenu))
return GenericDisplay.GenericDisplay.prototype.selectUp.call(this);
this._selectMenuIndex(this._activeMenuIndex - 1);
return true;
},
selectDown: function() {
if (!(this._expanded && this._focusInMenu))
return GenericDisplay.GenericDisplay.prototype.selectDown.call(this);
this._selectMenuIndex(this._activeMenuIndex+1);
return true;
},
// Protected overrides
_filterActive: function() {
// We always have a filter now since a menu must be selected
return true;
},
_filterReset: function() {
GenericDisplay.GenericDisplay.prototype._filterReset.call(this);
this._selectMenuIndex(0);
},
//// Private ////
_emitStateChange: function() {
this.emit('state-changed');
},
_selectMenuIndex: function(index) {
if (index < 0 || index >= this._menus.length)
return;
this._menuDisplays[index].setState(MENU_SELECTED);
},
_getMostUsed: function() {
let context = "";
return this._appMonitor.get_most_used_apps(context, 30).map(Lang.bind(this, function (id) {
return this._appSystem.lookup_cached_app(id);
})).filter(function (e) { return e != null });
},
_addMenuItem: function(name, id, icon, index) {
let display = new MenuItem(name, id, icon);
this._menuDisplays.push(display);
display.connect('state-changed', Lang.bind(this, function (display) {
let activated = display.getState() != MENU_UNSELECTED;
if (!activated && display == this._activeMenu) {
this._activeMenuIndex = -1;
this._activeMenu = null;
} else if (activated) {
if (display != this._activeMenu && this._activeMenu != null)
this._activeMenu.setState(MENU_UNSELECTED);
this._activeMenuIndex = index;
this._activeMenu = display;
if (id == null) {
this._activeMenuApps = this._getMostUsed();
} else {
this._activeMenuApps = this._appSystem.get_applications_for_menu(id);
}
}
this._redisplay(true);
}));
this._menuDisplay.append(display.actor, 0);
},
_redisplayMenus: function() {
this._menuDisplay.remove_all();
this._addMenuItem(_("Frequent"), null, 'gtk-select-all');
for (let i = 0; i < this._menus.length; i++) {
let menu = this._menus[i];
this._addMenuItem(menu.name, menu.id, menu.icon, i+1);
}
},
_addApp: function(appInfo) {
let appId = appInfo.get_id();
this._allItems[appId] = appInfo;
},
//// Protected method overrides ////
// Gets information about all applications by calling Gio.app_info_get_all().
_refreshCache : function() {
let me = this;
if (!this._appsStale)
return;
this._allItems = {};
this._appCategories = {};
// Loop over the toplevel menu items, load the set of desktop file ids
// associated with each one, skipping empty menus
let allMenus = this._appSystem.get_menus();
this._menus = [];
for (let i = 0; i < allMenus.length; i++) {
let menu = allMenus[i];
let menuApps = this._appSystem.get_applications_for_menu(menu.id);
let hasVisibleApps = menuApps.some(function (app) { return !app.get_is_nodisplay(); });
if (!hasVisibleApps) {
continue;
}
this._menus.push(menu);
for (let j = 0; j < menuApps.length; j++) {
let app = menuApps[j];
this._addApp(app);
}
}
// Now grab the desktop file ids for settings/preferences.
// These show up in search, but not with the rest of apps.
let settings = this._appSystem.get_all_settings();
for (let i = 0; i < settings.length; i++) {
let app = settings[i];
this._addApp(app);
}
this._appsStale = false;
},
// Stub this out; the app display always has a category selected
_setDefaultList : function() {
this._matchedItems = [];
},
// Compares items associated with the item ids based on the alphabetical order
// of the item names.
// Returns an integer value indicating the result of the comparison.
_compareItems : function(itemIdA, itemIdB) {
let appA = this._allItems[itemIdA];
let appB = this._allItems[itemIdB];
return appA.get_name().localeCompare(appB.get_name());
},
// Checks if the item info can be a match for the search string by checking
// the name, description, execution command, and categories for the application.
// Item info is expected to be Shell.AppInfo.
// Returns a boolean flag indicating if itemInfo is a match.
_isInfoMatching : function(itemInfo, search) {
// Don't show nodisplay items here
if (itemInfo.get_is_nodisplay())
return false;
// Search takes precedence; not typically useful to search within a
// menu
if (this._activeMenu == null || search != "")
return this._isInfoMatchingSearch(itemInfo, search);
else
return this._isInfoMatchingMenu(itemInfo, search);
},
_isInfoMatchingMenu : function(itemInfo, search) {
let id = itemInfo.get_id();
for (let i = 0; i < this._activeMenuApps.length; i++) {
let activeApp = this._activeMenuApps[i];
if (activeApp.get_id() == id)
return true;
}
return false;
},
_isInfoMatchingSearch: function(itemInfo, search) {
if (search == null || search == '')
return true;
let fold = function(s) {
if (!s)
return s;
return GLib.utf8_casefold(GLib.utf8_normalize(s, -1,
GLib.NormalizeMode.ALL), -1);
};
let name = fold(itemInfo.get_name());
if (name.indexOf(search) >= 0)
return true;
let description = fold(itemInfo.get_description());
if (description) {
if (description.indexOf(search) >= 0)
return true;
}
let exec = fold(itemInfo.get_executable());
if (exec == null) {
log("Missing an executable for " + itemInfo.name);
} else {
if (exec.indexOf(search) >= 0)
return true;
}
let categories = itemInfo.get_categories();
for (let i = 0; i < categories.length; i++) {
let category = fold(categories[i]);
if (category.indexOf(search) >= 0)
return true;
}
return false;
},
// Creates an AppDisplayItem based on itemInfo, which is expected be an Shell.AppInfo object.
_createDisplayItem: function(itemInfo) {
return new AppDisplayItem(itemInfo);
}
};
Signals.addSignalMethods(AppDisplay.prototype);
function WellMenu(source) {
this._init(source);
}
WellMenu.prototype = {
_init: function(source) {
this._source = source;
this.actor = new Shell.GenericContainer({ reactive: true });
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
this._windowContainer = new Shell.Menu({ orientation: Big.BoxOrientation.VERTICAL,
border_color: WELL_MENU_BORDER_COLOR,
border: WELL_MENU_BORDER_WIDTH,
background_color: WELL_MENU_BACKGROUND_COLOR,
padding: 4,
corner_radius: WELL_MENU_CORNER_RADIUS,
width: Main.overview._dash.actor.width * 0.75 });
this._windowContainer.connect('popdown', Lang.bind(this, this._onPopdown));
this._windowContainer.connect('unselected', Lang.bind(this, this._onWindowUnselected));
this._windowContainer.connect('selected', Lang.bind(this, this._onWindowSelected));
this._windowContainer.connect('activate', Lang.bind(this, this._onWindowActivate));
this.actor.add_actor(this._windowContainer);
this._arrow = new Shell.DrawingArea();
this._arrow.connect('redraw', Lang.bind(this, function (area, texture) {
Shell.draw_box_pointer(texture, WELL_MENU_BORDER_COLOR, WELL_MENU_BACKGROUND_COLOR);
}));
this.actor.add_actor(this._arrow);
let stage = Shell.Global.get().stage;
// Chain our visibility and lifecycle to that of the source
source.actor.connect('notify::mapped', Lang.bind(this, function () {
if (!source.actor.mapped)
this._windowContainer.popdown();
}));
source.actor.connect('destroy', Lang.bind(this, function () { this.actor.destroy(); }));
stage.add_actor(this.actor);
},
_getPreferredWidth: function(actor, forHeight, alloc) {
let [min, natural] = this._windowContainer.get_preferred_width(forHeight);
alloc.min_size = min + WELL_MENU_ARROW_SIZE;
alloc.natural_size = natural + WELL_MENU_ARROW_SIZE;
},
_getPreferredHeight: function(actor, forWidth, alloc) {
let [min, natural] = this._windowContainer.get_preferred_height(forWidth);
alloc.min_size = min;
alloc.natural_size = natural;
},
_allocate: function(actor, box, flags) {
let childBox = new Clutter.ActorBox();
let width = box.x2 - box.x1;
let height = box.y2 - box.y1;
childBox.x1 = 0;
childBox.x2 = WELL_MENU_ARROW_SIZE;
childBox.y1 = Math.floor((height / 2) - (WELL_MENU_ARROW_SIZE / 2));
childBox.y2 = childBox.y1 + WELL_MENU_ARROW_SIZE;
this._arrow.allocate(childBox, flags);
/* overlap by one pixel to hide the border */
childBox.x1 = WELL_MENU_ARROW_SIZE - 1;
childBox.x2 = width;
childBox.y1 = 0;
childBox.y2 = height;
this._windowContainer.allocate(childBox, flags);
},
_redisplay: function() {
this._windowContainer.remove_all();
let windows = this._source.windows;
this._windowContainer.show();
let iconsDiffer = false;
let texCache = Shell.TextureCache.get_default();
let firstIcon = windows[0].mini_icon;
for (let i = 1; i < windows.length; i++) {
if (!texCache.pixbuf_equal(windows[i].mini_icon, firstIcon)) {
iconsDiffer = true;
break;
}
}
let activeWorkspace = Shell.Global.get().screen.get_active_workspace();
let currentWorkspaceWindows = windows.filter(function (w) {
return w.get_workspace() == activeWorkspace;
});
let otherWorkspaceWindows = windows.filter(function (w) {
return w.get_workspace() != activeWorkspace;
});
this._appendWindows(currentWorkspaceWindows, iconsDiffer);
if (currentWorkspaceWindows.length > 0 && otherWorkspaceWindows.length > 0) {
let box = new Big.Box({ padding_top: 2, padding_bottom: 2 });
box.append(new Clutter.Rectangle({ height: 1,
color: WELL_MENU_SEPARATOR_COLOR }),
Big.BoxPackFlags.EXPAND);
this._windowContainer.append_separator(box, Big.BoxPackFlags.NONE);
}
this._appendWindows(otherWorkspaceWindows, iconsDiffer);
},
_appendWindows: function (windows, iconsDiffer) {
for (let i = 0; i < windows.length; i++) {
let window = windows[i];
/* Use padding here rather than spacing in the box above so that
* we have a larger reactive area.
*/
let box = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
padding_top: 4,
padding_bottom: 4,
spacing: 4,
reactive: true });
box._window = window;
let vCenter;
if (iconsDiffer) {
vCenter = new Big.Box({ y_align: Big.BoxAlignment.CENTER });
let icon = Shell.TextureCache.get_default().bind_pixbuf_property(window, "mini-icon");
vCenter.append(icon, Big.BoxPackFlags.NONE);
box.append(vCenter, Big.BoxPackFlags.NONE);
}
vCenter = new Big.Box({ y_align: Big.BoxAlignment.CENTER });
let label = new Clutter.Text({ text: window.title,
font_name: WELL_MENU_FONT,
ellipsize: Pango.EllipsizeMode.END,
color: WELL_MENU_COLOR });
vCenter.append(label, Big.BoxPackFlags.NONE);
box.append(vCenter, Big.BoxPackFlags.NONE);
this._windowContainer.append(box, Big.BoxPackFlags.NONE);
}
},
popup: function() {
let [stageX, stageY] = this._source.actor.get_transformed_position();
let [stageWidth, stageHeight] = this._source.actor.get_transformed_size();
this._redisplay();
this._windowContainer.popup(0, Clutter.get_current_event_time());
this.emit('popup', true);
let x = Math.floor(stageX + stageWidth);
let y = Math.floor(stageY + (stageHeight / 2) - (this.actor.height / 2));
this.actor.set_position(x, y);
this.actor.show();
},
_onWindowUnselected: function (actor, child) {
child.background_color = TRANSPARENT_COLOR;
this.emit('highlight-window', null);
},
_onWindowSelected: function (actor, child) {
child.background_color = WELL_MENU_SELECTED_COLOR;
let window = child._window;
this.emit('highlight-window', window);
},
_onWindowActivate: function (actor, child) {
let window = child._window;
Main.overview.activateWindow(window, Clutter.get_current_event_time());
},
_onPopdown: function () {
this.emit('highlight-window', null);
this.emit('popup', false);
this.actor.hide();
}
}
Signals.addSignalMethods(WellMenu.prototype);
function BaseWellItem(appInfo, isFavorite) {
this._init(appInfo, isFavorite);
}
BaseWellItem.prototype = {
_init: function(appInfo, isFavorite) {
this.appInfo = appInfo;
this.isFavorite = isFavorite;
this.icon = new AppIcon.AppIcon(appInfo);
this.windows = this.icon.windows;
this.actor = new Shell.ButtonBox({ orientation: Big.BoxOrientation.VERTICAL,
border: WELL_MENU_BORDER_WIDTH,
corner_radius: WELL_MENU_CORNER_RADIUS,
reactive: true });
this.icon.actor._delegate = this;
this._draggable = DND.makeDraggable(this.icon.actor, true);
// Do these as anonymous functions to avoid conflict with handlers in subclasses
this.actor.connect('button-press-event', Lang.bind(this, function(actor, event) {
let [stageX, stageY] = event.get_coords();
this._dragStartX = stageX;
this._dragStartY = stageY;
return false;
}));
this.actor.connect('notify::hover', Lang.bind(this, function () {
let hover = this.actor.hover;
if (!hover) {
if (this.actor.pressed && this._dragStartX != null) {
this.actor.fake_release();
this._draggable.startDrag(this.icon.actor, this._dragStartX, this._dragStartY,
Clutter.get_current_event_time());
} else {
this._dragStartX = null;
this._dragStartY = null;
}
}
}));
this.actor.append(this.icon.actor, Big.BoxPackFlags.NONE);
},
shellWorkspaceLaunch : function() {
// Here we just always launch the application again, even if we know
// it was already running. For most applications this
// should have the effect of creating a new window, whether that's
// a second process (in the case of Calculator) or IPC to existing
// instance (Firefox). There are a few less-sensical cases such
// as say Pidgin, but ideally what we do there is have the app
// express to us that it doesn't do relaunch=new-window in the
// .desktop file.
this.appInfo.launch();
},
getDragActor: function(stageX, stageY) {
return this.icon.getDragActor(stageX, stageY);
},
// Returns the original icon that is being used as a source for the cloned texture
// that represents the item as it is being dragged.
getDragActorSource: function() {
return this.icon.getDragActorSource();
}
}
function RunningWellItem(appInfo, isFavorite) {
this._init(appInfo, isFavorite);
}
RunningWellItem.prototype = {
__proto__: BaseWellItem.prototype,
_init: function(appInfo, isFavorite) {
BaseWellItem.prototype._init.call(this, appInfo, isFavorite);
this._menuTimeoutId = 0;
this._menu = null;
this._dragStartX = 0;
this._dragStartY = 0;
this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
this.actor.connect('notify::hover', Lang.bind(this, this._onHoverChanged));
this.actor.connect('activate', Lang.bind(this, this._onActivate));
},
_onActivate: function (actor, event) {
let modifiers = event.get_state();
if (this._menuTimeoutId > 0) {
Mainloop.source_remove(this._menuTimeoutId);
this._menuTimeoutId = 0;
}
if (modifiers & Clutter.ModifierType.CONTROL_MASK) {
this.appInfo.launch();
} else {
this.activateMostRecentWindow();
}
},
activateMostRecentWindow: function () {
// The _get_windows_for_app sorts them for us
let mostRecentWindow = this.windows[0];
Main.overview.activateWindow(mostRecentWindow, Clutter.get_current_event_time());
},
_onHoverChanged: function() {
let hover = this.actor.hover;
if (!hover && this._menuTimeoutId > 0) {
Mainloop.source_remove(this._menuTimeoutId);
this._menuTimeoutId = 0;
}
},
_onButtonPress: function(actor, event) {
if (this._menuTimeoutId > 0)
Mainloop.source_remove(this._menuTimeoutId);
this._menuTimeoutId = Mainloop.timeout_add(WELL_MENU_POPUP_TIMEOUT_MS,
Lang.bind(this, this._popupMenu));
return false;
},
_popupMenu: function() {
this._menuTimeoutId = 0;
this.actor.fake_release();
if (this._menu == null) {
this._menu = new WellMenu(this);
this._menu.connect('highlight-window', Lang.bind(this, function (menu, window) {
Main.overview.setHighlightWindow(window);
}));
this._menu.connect('popup', Lang.bind(this, function (menu, isPoppedUp) {
let id;
if (isPoppedUp)
id = this.appInfo.get_id();
else
id = null;
Main.overview.setWindowApplicationFilter(id);
}));
}
this._menu.popup();
return false;
}
}
function InactiveWellItem(appInfo, isFavorite) {
this._init(appInfo, isFavorite);
}
InactiveWellItem.prototype = {
__proto__: BaseWellItem.prototype,
_init : function(appInfo, isFavorite) {
BaseWellItem.prototype._init.call(this, appInfo, isFavorite);
this.actor.connect('notify::pressed', Lang.bind(this, this._onPressedChanged));
this.actor.connect('notify::hover', Lang.bind(this, this._onHoverChanged));
this.actor.connect('activate', Lang.bind(this, this._onActivate));
},
_onPressedChanged: function() {
let pressed = this.actor.pressed;
if (pressed) {
this.actor.border_color = WELL_MENU_BORDER_COLOR;
} else {
this.actor.border_color = TRANSPARENT_COLOR;
}
},
_onHoverChanged: function() {
let hover = this.actor.hover;
},
_onActivate: function() {
if (this.windows.length == 0) {
this.appInfo.launch();
Main.overview.hide();
return true;
}
return false;
}
};
function WellGrid() {
this._init();
}
WellGrid.prototype = {
_init: function() {
this.actor = new Shell.GenericContainer();
this._separator = new Big.Box({ height: 1 });
this.actor.add_actor(this._separator);
this._separatorIndex = 0;
this._cachedSeparatorY = 0;
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
this.actor.connect('allocate', Lang.bind(this, this._allocate));
},
_getPreferredWidth: function (grid, forHeight, alloc) {
let [itemMin, itemNatural] = this._getItemPreferredWidth();
let children = this._getItemChildren();
let nColumns;
if (children.length < WELL_DEFAULT_COLUMNS)
nColumns = children.length;
else
nColumns = WELL_DEFAULT_COLUMNS;
let spacing = Math.max(nColumns - 1, 0) * WELL_ITEM_HSPACING;
alloc.min_size = itemMin * nColumns + spacing;
alloc.natural_size = itemNatural * nColumns + spacing;
},
_getPreferredHeight: function (grid, forWidth, alloc) {
let [rows, columns, itemWidth, itemHeight] = this._computeLayout(forWidth);
let totalVerticalSpacing = Math.max(rows - 1, 0) * WELL_ITEM_VSPACING;
let [separatorMin, separatorNatural] = this._separator.get_preferred_height(forWidth);
alloc.min_size = alloc.natural_size = rows * itemHeight + totalVerticalSpacing + separatorNatural;
},
_allocate: function (grid, box, flags) {
let children = this._getItemChildren();
let availWidth = box.x2 - box.x1;
let availHeight = box.y2 - box.y1;
let [rows, columns, itemWidth, itemHeight] = this._computeLayout(availWidth);
let [separatorMin, separatorNatural] = this._separator.get_preferred_height(-1);
let x = box.x1;
let y = box.y1;
let columnIndex = 0;
for (let i = 0; i < children.length; i++) {
let [childMinWidth, childNaturalWidth] = children[i].get_preferred_width(-1);
/* Center the item in its allocation horizontally */
let width = Math.min(itemWidth, childNaturalWidth);
let horizSpacing = (itemWidth - width) / 2;
let childBox = new Clutter.ActorBox();
childBox.x1 = Math.floor(x + horizSpacing);
childBox.y1 = y;
childBox.x2 = childBox.x1 + width;
childBox.y2 = childBox.y1 + itemHeight;
children[i].allocate(childBox, flags);
let atSeparator = (i == this._separatorIndex - 1);
columnIndex++;
if (columnIndex == columns || atSeparator) {
columnIndex = 0;
}
if (columnIndex == 0) {
y += itemHeight + WELL_ITEM_VSPACING;
x = box.x1;
} else {
x += itemWidth + WELL_ITEM_HSPACING;
}
if (atSeparator) {
y += separatorNatural + WELL_ITEM_VSPACING;
}
}
let separatorRowIndex = Math.ceil(this._separatorIndex / columns);
/* Allocate the separator */
let childBox = new Clutter.ActorBox();
childBox.x1 = box.x1;
childBox.y1 = (itemHeight + WELL_ITEM_VSPACING) * separatorRowIndex;
this._cachedSeparatorY = childBox.y1;
childBox.x2 = box.x2;
childBox.y2 = childBox.y1+separatorNatural;
this._separator.allocate(childBox, flags);
},
setSeparatorIndex: function (index) {
this._separatorIndex = index;
this.actor.queue_relayout();
},
removeAll: function () {
let itemChildren = this._getItemChildren();
for (let i = 0; i < itemChildren.length; i++) {
itemChildren[i].destroy();
}
this._separatorIndex = 0;
},
isBeforeSeparator: function(x, y) {
return y < this._cachedSeparatorY;
},
_getItemChildren: function () {
let children = this.actor.get_children();
children.shift();
return children;
},
_computeLayout: function (forWidth) {
let [itemMinWidth, itemNaturalWidth] = this._getItemPreferredWidth();
let columnsNatural;
let i;
let children = this._getItemChildren();
if (children.length == 0)
return [0, WELL_DEFAULT_COLUMNS, 0, 0];
let nColumns;
if (children.length < WELL_DEFAULT_COLUMNS)
nColumns = children.length;
else
nColumns = WELL_DEFAULT_COLUMNS;
if (forWidth >= 0 && forWidth < minWidth) {
log("WellGrid: trying to allocate for width " + forWidth + " but min is " + minWidth);
/* FIXME - we should fall back to fewer than WELL_DEFAULT_COLUMNS here */
}
let horizSpacingTotal = Math.max(nColumns - 1, 0) * WELL_ITEM_HSPACING;
let minWidth = itemMinWidth * nColumns + horizSpacingTotal;
let lastColumnIndex = nColumns - 1;
let separatorColumns = lastColumnIndex - ((lastColumnIndex + this._separatorIndex) % nColumns);
let rows = Math.ceil((children.length + separatorColumns) / nColumns);
let itemWidth;
if (forWidth < 0) {
itemWidth = itemNaturalWidth;
} else {
itemWidth = Math.max(forWidth - horizSpacingTotal, 0) / nColumns;
}
let itemNaturalHeight = 0;
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_height(itemWidth);
if (childNatural > itemNaturalHeight)
itemNaturalHeight = childNatural;
}
return [rows, WELL_DEFAULT_COLUMNS, itemWidth, itemNaturalHeight];
},
_getItemPreferredWidth: function () {
let children = this._getItemChildren();
let minWidth = 0;
let naturalWidth = 0;
for (let i = 0; i < children.length; i++) {
let [childMin, childNatural] = children[i].get_preferred_width(-1);
if (childMin > minWidth)
minWidth = childMin;
if (childNatural > naturalWidth)
naturalWidth = childNatural;
}
return [minWidth, naturalWidth];
}
}
function AppWell() {
this._init();
}
AppWell.prototype = {
_init : function() {
this._menus = [];
this._menuDisplays = [];
this.actor = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
x_align: Big.BoxAlignment.CENTER });
this.actor._delegate = this;
this._grid = new WellGrid();
this.actor.append(this._grid.actor, Big.BoxPackFlags.EXPAND);
this._appSystem = Shell.AppSystem.get_default();
this._appMonitor = Shell.AppMonitor.get_default();
this._appSystem.connect('installed-changed', Lang.bind(this, function(appSys) {
this._redisplay();
}));
this._appSystem.connect('favorites-changed', Lang.bind(this, function(appSys) {
this._redisplay();
}));
this._appMonitor.connect('window-added', Lang.bind(this, function(monitor) {
this._redisplay();
}));
this._appMonitor.connect('window-removed', Lang.bind(this, function(monitor) {
this._redisplay();
}));
this._redisplay();
},
_lookupApps: function(appIds) {
let result = [];
for (let i = 0; i < appIds.length; i++) {
let id = appIds[i];
let app = this._appSystem.lookup_cached_app(id);
if (!app)
continue;
result.push(app);
}
return result;
},
_arrayValues: function(array) {
return array.reduce(function (values, id, index) {
values[id] = index; return values; }, {});
},
_redisplay: function () {
this._grid.removeAll();
let favoriteIds = this._appSystem.get_favorites();
let favoriteIdsHash = this._arrayValues(favoriteIds);
/* hardcode here pending some design about how exactly desktop contexts behave */
let contextId = "";
let running = this._appMonitor.get_running_apps(contextId).filter(function (e) {
return !(e.get_id() in favoriteIdsHash);
});
let favorites = this._lookupApps(favoriteIds);
let displays = []
this._addApps(favorites, true);
this._grid.setSeparatorIndex(favorites.length);
this._addApps(running, false);
this._displays = displays;
},
_addApps: function(apps, isFavorite) {
for (let i = 0; i < apps.length; i++) {
let app = apps[i];
let windows = this._appMonitor.get_windows_for_app(app.get_id());
let display;
if (windows.length > 0)
display = new RunningWellItem(app, isFavorite);
else
display = new InactiveWellItem(app, isFavorite);
this._grid.actor.add_actor(display.actor);
}
},
// Draggable target interface
acceptDrop : function(source, actor, x, y, time) {
let appSystem = Shell.AppSystem.get_default();
let app = null;
if (source instanceof BaseWellItem) {
app = source.appInfo;
} else if (source instanceof AppDisplayItem) {
app = appSystem.lookup_cached_app(source.getId());
} else if (source instanceof Workspaces.WindowClone) {
let appMonitor = Shell.AppMonitor.get_default();
app = appMonitor.get_window_app(source.metaWindow);
}
// Don't allow favoriting of transient apps
if (app == null || app.is_transient()) {
return false;
}
let id = app.get_id();
let favoriteIds = this._appSystem.get_favorites();
let favoriteIdsObject = this._arrayValues(favoriteIds);
let dropIsFavorite = this._grid.isBeforeSeparator(x - this._grid.actor.x,
y - this._grid.actor.y);
let srcIsFavorite = (id in favoriteIdsObject);
if (srcIsFavorite && (!dropIsFavorite)) {
Mainloop.idle_add(function () {
appSystem.remove_favorite(id);
return false;
});
} else if ((!srcIsFavorite) && dropIsFavorite) {
Mainloop.idle_add(function () {
appSystem.add_favorite(id);
return false;
});
} else {
return false;
}
return true;
}
};
Signals.addSignalMethods(AppWell.prototype);