gnome-shell/js/ui/dash.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 Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Mainloop = imports.mainloop;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Lang = imports.lang;
const AppDisplay = imports.ui.appDisplay;
const DocDisplay = imports.ui.docDisplay;
const Places = imports.ui.places;
const GenericDisplay = imports.ui.genericDisplay;
const Button = imports.ui.button;
const Main = imports.ui.main;
const DEFAULT_PADDING = 4;
const DASH_SECTION_PADDING = 6;
const DASH_SECTION_SPACING = 12;
const DASH_CORNER_RADIUS = 5;
const DASH_SEARCH_BG_COLOR = new Clutter.Color();
DASH_SEARCH_BG_COLOR.from_pixel(0xffffffff);
const DASH_SECTION_COLOR = new Clutter.Color();
DASH_SECTION_COLOR.from_pixel(0x846c3dff);
const DASH_TEXT_COLOR = new Clutter.Color();
DASH_TEXT_COLOR.from_pixel(0xffffffff);
const PANE_BORDER_COLOR = new Clutter.Color();
PANE_BORDER_COLOR.from_pixel(0x213b5dfa);
const PANE_BORDER_WIDTH = 2;
const PANE_BACKGROUND_COLOR = new Clutter.Color();
PANE_BACKGROUND_COLOR.from_pixel(0x0d131ff4);
function Pane() {
this._init();
}
Pane.prototype = {
_init: function () {
this._open = false;
this.actor = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
background_color: PANE_BACKGROUND_COLOR,
border: PANE_BORDER_WIDTH,
border_color: PANE_BORDER_COLOR,
padding: DEFAULT_PADDING,
reactive: true });
this.actor.connect('button-press-event', Lang.bind(this, function (a, e) {
// Eat button press events so they don't go through and close the pane
return true;
}));
let chromeTop = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
spacing: 6 });
let global = Shell.Global.get();
let closeIconUri = "file://" + global.imagedir + "close.svg";
let closeIcon = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
closeIconUri,
16,
16);
closeIcon.reactive = true;
closeIcon.connect('button-press-event', Lang.bind(this, function (b, e) {
this.close();
return true;
}));
chromeTop.append(closeIcon, Big.BoxPackFlags.END);
this.actor.append(chromeTop, Big.BoxPackFlags.NONE);
this.content = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
spacing: DEFAULT_PADDING });
this.actor.append(this.content, Big.BoxPackFlags.EXPAND);
// Hidden by default
this.actor.hide();
},
open: function () {
if (this._open)
return;
this._open = true;
this.actor.show();
this.emit('open-state-changed', this._open);
},
close: function () {
if (!this._open)
return;
this._open = false;
this.actor.hide();
this.emit('open-state-changed', this._open);
},
destroyContent: function() {
let children = this.content.get_children();
for (let i = 0; i < children.length; i++) {
children[i].destroy();
}
},
toggle: function () {
if (this._open)
this.close();
else
this.open();
}
}
Signals.addSignalMethods(Pane.prototype);
function ResultArea(displayClass, enableNavigation) {
this._init(displayClass, enableNavigation);
}
ResultArea.prototype = {
_init : function(displayClass, enableNavigation) {
this.actor = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL });
this.resultsContainer = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
spacing: DEFAULT_PADDING
});
this.actor.append(this.resultsContainer, Big.BoxPackFlags.EXPAND);
this.navContainer = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL });
this.resultsContainer.append(this.navContainer, Big.BoxPackFlags.NONE);
this.display = new displayClass();
this.navArea = this.display.getNavigationArea();
if (enableNavigation && this.navArea)
this.navContainer.append(this.navArea, Big.BoxPackFlags.EXPAND);
this.resultsContainer.append(this.display.actor, Big.BoxPackFlags.EXPAND);
this.controlBox = new Big.Box({ x_align: Big.BoxAlignment.CENTER });
this.controlBox.append(this.display.displayControl, Big.BoxPackFlags.NONE);
this.actor.append(this.controlBox, Big.BoxPackFlags.EXPAND);
this.display.load();
}
}
// Utility function shared between ResultPane and the DocDisplay in the main dash.
// Connects to the detail signal of the display, and on-demand creates a new
// pane.
function createPaneForDetails(dash, display, detailsWidth) {
let detailPane = null;
display.connect('show-details', Lang.bind(this, function(display, index) {
if (detailPane == null) {
detailPane = new Pane();
detailPane.connect('open-state-changed', Lang.bind(this, function (pane, isOpen) {
if (!isOpen) {
/* Ensure we don't keep around large preview textures */
detailPane.destroyContent();
}
}));
dash._addPane(detailPane);
}
if (index >= 0) {
detailPane.destroyContent();
let details = display.createDetailsForIndex(index, detailsWidth, -1);
detailPane.content.append(details, Big.BoxPackFlags.EXPAND);
detailPane.open();
} else {
detailPane.close();
}
}));
return null;
}
function ResultPane(dash, detailsWidth) {
this._init(dash, detailsWidth);
}
ResultPane.prototype = {
__proto__: Pane.prototype,
_init: function(dash, detailsWidth) {
Pane.prototype._init.call(this);
this._dash = dash;
this._detailsWidth = detailsWidth;
},
// Create an instance of displayClass and pack it into this pane's
// content area. Return the displayClass instance.
packResults: function(displayClass, enableNavigation) {
let resultArea = new ResultArea(displayClass, enableNavigation);
createPaneForDetails(this._dash, resultArea.display, this._detailsWidth);
this.content.append(resultArea.actor, Big.BoxPackFlags.EXPAND);
this.connect('open-state-changed', Lang.bind(this, function(pane, isOpen) {
resultArea.display.resetState();
}));
return resultArea.display;
}
}
function SearchEntry() {
this._init();
}
SearchEntry.prototype = {
_init : function() {
this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
y_align: Big.BoxAlignment.CENTER,
background_color: DASH_SEARCH_BG_COLOR,
corner_radius: 4,
spacing: DEFAULT_PADDING,
padding: DEFAULT_PADDING
});
let icon = new Gio.ThemedIcon({ name: 'gtk-find' });
let searchIconTexture = Shell.TextureCache.get_default().load_gicon(icon, 16);
this.actor.append(searchIconTexture, Big.BoxPackFlags.NONE);
this.pane = null;
// We need to initialize the text for the entry to have the cursor displayed
// in it. See http://bugzilla.openedhand.com/show_bug.cgi?id=1365
this.entry = new Clutter.Text({ font_name: "Sans 14px",
editable: true,
activatable: true,
singleLineMode: true,
text: ""
});
this.actor.append(this.entry, Big.BoxPackFlags.EXPAND);
},
setPane: function (pane) {
this._pane = pane;
}
};
Signals.addSignalMethods(SearchEntry.prototype);
function MoreLink() {
this._init();
}
MoreLink.prototype = {
_init : function () {
this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
padding_left: DEFAULT_PADDING,
padding_right: DEFAULT_PADDING });
let global = Shell.Global.get();
let inactiveUri = "file://" + global.imagedir + "view-more.svg";
let activeUri = "file://" + global.imagedir + "view-more-activated.svg";
this._inactiveIcon = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
inactiveUri, 29, 18);
this._activeIcon = Shell.TextureCache.get_default().load_uri_sync(Shell.TextureCachePolicy.FOREVER,
activeUri, 29, 18);
this._iconBox = new Big.Box({ reactive: true });
this._iconBox.append(this._inactiveIcon, Big.BoxPackFlags.NONE);
this.actor.append(this._iconBox, Big.BoxPackFlags.END);
this.pane = null;
this._iconBox.connect('button-press-event', Lang.bind(this, function (b, e) {
if (this.pane == null) {
// Ensure the pane is created; the activated handler will call setPane
this.emit('activated');
}
this._pane.toggle();
return true;
}));
},
setPane: function (pane) {
this._pane = pane;
this._pane.connect('open-state-changed', Lang.bind(this, function(pane, isOpen) {
this._iconBox.remove_all();
this._iconBox.append(isOpen ? this._activeIcon : this._inactiveIcon,
Big.BoxPackFlags.NONE);
}));
}
}
Signals.addSignalMethods(MoreLink.prototype);
function SectionHeader(title) {
this._init(title);
}
SectionHeader.prototype = {
_init : function (title) {
this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL });
let text = new Clutter.Text({ color: DASH_SECTION_COLOR,
font_name: "Sans Bold 10px",
text: title });
this.moreLink = new MoreLink();
this.actor.append(text, Big.BoxPackFlags.EXPAND);
this.actor.append(this.moreLink.actor, Big.BoxPackFlags.END);
}
}
function Dash(displayGridColumnWidth) {
this._init(displayGridColumnWidth);
}
Dash.prototype = {
_init : function(displayGridColumnWidth) {
this._width = displayGridColumnWidth;
this._detailsWidth = displayGridColumnWidth * 2;
let global = Shell.Global.get();
// dash and the popup panes need to be reactive so that the clicks in unoccupied places on them
// are not passed to the transparent background underneath them. This background is used for the workspaces area when
// the additional dash panes are being shown and it handles clicks by closing the additional panes, so that the user
// can interact with the workspaces. However, this behavior is not desirable when the click is actually over a pane.
//
// We have to make the individual panes reactive instead of making the whole dash actor reactive because the width
// of the Group actor ends up including the width of its hidden children, so we were getting a reactive object as
// wide as the details pane that was blocking the clicks to the workspaces underneath it even when the details pane
// was actually hidden.
this.actor = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
width: this._width,
padding: DEFAULT_PADDING,
reactive: true });
this.dashContainer = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
spacing: DASH_SECTION_SPACING });
this.actor.append(this.dashContainer, Big.BoxPackFlags.EXPAND);
// The currently active popup display
this._activePane = null;
/***** Search *****/
this._searchPane = null;
this._searchActive = false;
this._searchEntry = new SearchEntry();
this.dashContainer.append(this._searchEntry.actor, Big.BoxPackFlags.NONE);
this._searchAreaApps = null;
this._searchAreaDocs = null;
this._searchQueued = false;
this._searchEntry.entry.connect('text-changed', Lang.bind(this, function (se, prop) {
this._searchActive = this._searchEntry.text != '';
if (this._searchQueued)
return;
if (this._searchPane == null) {
this._searchPane = new ResultPane(this, this._detailsWidth);
this._searchPane.content.append(new Clutter.Text({ color: DASH_SECTION_COLOR,
font_name: 'Sans Bold 10px',
text: "APPLICATIONS" }),
Big.BoxPackFlags.NONE);
this._searchAreaApps = this._searchPane.packResults(AppDisplay.AppDisplay, false);
this._searchPane.content.append(new Clutter.Text({ color: DASH_SECTION_COLOR,
font_name: 'Sans Bold 10px',
text: "RECENT DOCUMENTS" }),
Big.BoxPackFlags.NONE);
this._searchAreaDocs = this._searchPane.packResults(DocDisplay.DocDisplay, false);
this._addPane(this._searchPane);
this._searchEntry.setPane(this._searchPane);
}
this._searchQueued = true;
Mainloop.timeout_add(250, Lang.bind(this, function() {
// Strip leading and trailing whitespace
let text = this._searchEntry.entry.text.replace(/^\s+/g, "").replace(/\s+$/g, "");
this._searchQueued = false;
this._searchAreaApps.setSearch(text);
this._searchAreaDocs.setSearch(text);
if (text == '')
this._searchPane.close();
else
this._searchPane.open();
return false;
}));
}));
this._searchEntry.entry.connect('activate', Lang.bind(this, function (se) {
// only one of the displays will have an item selected, so it's ok to
// call activateSelected() on all of them
this._searchAreaApps.activateSelected();
this._searchAreaDocs.activateSelected();
return true;
}));
this._searchEntry.entry.connect('key-press-event', Lang.bind(this, function (se, e) {
let symbol = Shell.get_event_key_symbol(e);
if (symbol == Clutter.Escape) {
// Escape will keep clearing things back to the desktop. First, if
// we have active text, we remove it.
if (this._searchEntry.entry.text != '')
this._searchEntry.entry.text = '';
// Next, if we're in one of the "more" modes or showing the details pane, close them
else if (this._activePane != null)
this._activePane.close();
// Finally, just close the overlay entirely
else
Main.overlay.hide();
return true;
} else if (symbol == Clutter.Up) {
if (!this._searchActive)
return true;
// selectUp and selectDown wrap around in their respective displays
// too, but there doesn't seem to be any flickering if we first select
// something in one display, but then unset the selection, and move
// it to the other display, so it's ok to do that.
if (this._searchAreaDocs.hasSelected())
this._searchAreaDocs.selectUp();
else if (this._searchAreaApps.hasItems())
this._searchAreaApps.selectUp();
else
this._searchAreaDocs.selectUp();
return true;
} else if (symbol == Clutter.Down) {
if (!this._searchActive)
return true;
if (this._searchAreaDocs.hasSelected())
this._searchAreaDocs.selectDown();
else if (this._searchAreaApps.hasItems())
this._searchAreaApps.selectDown();
else
this._searchAreaDocs.selectDown();
return true;
}
return false;
}));
/***** Applications *****/
let appsHeader = new SectionHeader("APPLICATIONS");
this._appsSection = new Big.Box({ spacing: DEFAULT_PADDING });
this._appsSection.append(appsHeader.actor, Big.BoxPackFlags.NONE);
this._appsContent = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL });
this._appsSection.append(this._appsContent, Big.BoxPackFlags.EXPAND);
this._appWell = new AppDisplay.AppWell();
this._appsContent.append(this._appWell.actor, Big.BoxPackFlags.EXPAND);
this._moreAppsPane = null;
appsHeader.moreLink.connect('activated', Lang.bind(this, function (link) {
if (this._moreAppsPane == null) {
this._moreAppsPane = new ResultPane(this, this._detailsWidth);
this._moreAppsPane.packResults(AppDisplay.AppDisplay, true);
this._addPane(this._moreAppsPane);
link.setPane(this._moreAppsPane);
}
}));
this.dashContainer.append(this._appsSection, Big.BoxPackFlags.NONE);
/***** Places *****/
let placesSection = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
spacing: DEFAULT_PADDING });
let placesHeader = new SectionHeader("PLACES");
placesSection.append(placesHeader.actor, Big.BoxPackFlags.NONE);
let placesDisplay = new Places.Places();
placesSection.append(placesDisplay.actor, Big.BoxPackFlags.EXPAND);
this.dashContainer.append(placesSection, Big.BoxPackFlags.NONE);
/***** Documents *****/
this._docsSection = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
spacing: DEFAULT_PADDING });
this._moreDocsPane = null;
let docsHeader = new SectionHeader("RECENT DOCUMENTS");
this._docsSection.append(docsHeader.actor, Big.BoxPackFlags.NONE);
this._docDisplay = new DocDisplay.DocDisplay();
this._docDisplay.load();
this._docsSection.append(this._docDisplay.actor, Big.BoxPackFlags.EXPAND);
createPaneForDetails(this, this._docDisplay, this._detailsWidth);
docsHeader.moreLink.connect('activated', Lang.bind(this, function (link) {
if (this._moreDocsPane == null) {
this._moreDocsPane = new ResultPane(this, this._detailsWidth);
this._moreDocsPane.packResults(DocDisplay.DocDisplay, true);
this._addPane(this._moreDocsPane);
link.setPane(this._moreDocsPane);
}
}));
this.dashContainer.append(this._docsSection, Big.BoxPackFlags.EXPAND);
},
show: function() {
let global = Shell.Global.get();
global.stage.set_key_focus(this._searchEntry.entry);
},
hide: function() {
this._firstSelectAfterOverlayShow = true;
if (this._searchEntry.entry.text != '')
this._searchEntry.entry.text = '';
if (this._activePane != null)
this._activePane.close();
},
closePanes: function () {
if (this._activePane != null)
this._activePane.close();
},
_addPane: function(pane) {
pane.connect('open-state-changed', Lang.bind(this, function (pane, isOpen) {
if (isOpen) {
if (pane != this._activePane && this._activePane != null) {
this._activePane.close();
}
this._activePane = pane;
} else if (pane == this._activePane) {
this._activePane = null;
}
}));
Main.overlay.addPane(pane);
}
};
Signals.addSignalMethods(Dash.prototype);