gnome-shell/js/ui/searchDisplay.js
Jasper St. Pierre 74a6ca58ef searchDisplay: Move the provider actors to the results display
Since the provider icon only appears in the list results, it makes
sense for that to be stored with the results class, rather than outside,
triggered by which sort of display it is.

https://bugzilla.gnome.org/show_bug.cgi?id=693836
2013-05-29 11:32:49 -04:00

595 lines
20 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Lang = imports.lang;
const Gtk = imports.gi.Gtk;
const Meta = imports.gi.Meta;
const Signals = imports.signals;
const St = imports.gi.St;
const Atk = imports.gi.Atk;
const DND = imports.ui.dnd;
const IconGrid = imports.ui.iconGrid;
const Main = imports.ui.main;
const Overview = imports.ui.overview;
const Separator = imports.ui.separator;
const Search = imports.ui.search;
const Util = imports.misc.util;
const MAX_LIST_SEARCH_RESULTS_ROWS = 3;
const MAX_GRID_SEARCH_RESULTS_ROWS = 1;
const MaxWidthBin = new Lang.Class({
Name: 'MaxWidthBin',
Extends: St.Bin,
vfunc_allocate: function(box, flags) {
let themeNode = this.get_theme_node();
let maxWidth = themeNode.get_max_width();
let availWidth = box.x2 - box.x1;
let adjustedBox = box;
if (availWidth > maxWidth) {
let excessWidth = availWidth - maxWidth;
adjustedBox.x1 += Math.floor(excessWidth / 2);
adjustedBox.x2 -= Math.floor(excessWidth / 2);
}
this.parent(adjustedBox, flags);
}
});
const SearchResult = new Lang.Class({
Name: 'SearchResult',
_init: function(provider, metaInfo, terms) {
this.provider = provider;
this.metaInfo = metaInfo;
this.terms = terms;
this.actor = new St.Button({ reactive: true,
can_focus: true,
track_hover: true,
x_align: St.Align.START,
y_fill: true });
this.actor._delegate = this;
this.actor.connect('clicked', Lang.bind(this, this.activate));
},
activate: function() {
this.provider.activateResult(this.metaInfo.id, this.terms);
Main.overview.toggle();
},
setSelected: function(selected) {
if (selected)
this.actor.add_style_pseudo_class('selected');
else
this.actor.remove_style_pseudo_class('selected');
}
});
const ListSearchResult = new Lang.Class({
Name: 'ListSearchResult',
Extends: SearchResult,
ICON_SIZE: 64,
_init: function(provider, metaInfo, terms) {
this.parent(provider, metaInfo, terms);
this.actor.style_class = 'list-search-result';
this.actor.x_fill = true;
let content = new St.BoxLayout({ style_class: 'list-search-result-content',
vertical: false });
this.actor.set_child(content);
// An icon for, or thumbnail of, content
let icon = this.metaInfo['createIcon'](this.ICON_SIZE);
if (icon) {
content.add(icon);
}
let details = new St.BoxLayout({ vertical: true });
content.add(details, { x_fill: true,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.MIDDLE });
let title = new St.Label({ style_class: 'list-search-result-title',
text: this.metaInfo['name'] })
details.add(title, { x_fill: false,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.START });
this.actor.label_actor = title;
if (this.metaInfo['description']) {
let description = new St.Label({ style_class: 'list-search-result-description' });
description.clutter_text.set_markup(this.metaInfo['description']);
details.add(description, { x_fill: false,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.END });
}
}
});
const GridSearchResult = new Lang.Class({
Name: 'GridSearchResult',
Extends: SearchResult,
_init: function(provider, metaInfo, terms) {
this.parent(provider, metaInfo, terms);
this.actor.style_class = 'grid-search-result';
let content = provider.createResultActor(metaInfo, terms);
let dragSource = null;
if (content == null) {
content = new St.Bin();
let icon = new IconGrid.BaseIcon(this.metaInfo['name'],
{ createIcon: this.metaInfo['createIcon'] });
content.set_child(icon.actor);
content.label_actor = icon.label;
dragSource = icon.icon;
} else {
if (content._delegate && content._delegate.getDragActorSource)
dragSource = content._delegate.getDragActorSource();
}
this.actor.set_child(content);
this.actor.label_actor = content.label_actor;
let draggable = DND.makeDraggable(this.actor);
draggable.connect('drag-begin',
Lang.bind(this, function() {
Main.overview.beginItemDrag(this);
}));
draggable.connect('drag-cancelled',
Lang.bind(this, function() {
Main.overview.cancelledItemDrag(this);
}));
draggable.connect('drag-end',
Lang.bind(this, function() {
Main.overview.endItemDrag(this);
}));
if (!dragSource)
// not exactly right, but alignment problems are hard to notice
dragSource = content;
this._dragActorSource = dragSource;
},
getDragActorSource: function() {
return this._dragActorSource;
},
getDragActor: function() {
return this.metaInfo['createIcon'](Main.overview.dashIconSize);
},
shellWorkspaceLaunch: function(params) {
if (this.provider.dragActivateResult)
this.provider.dragActivateResult(this.metaInfo.id, params);
else
this.provider.activateResult(this.metaInfo.id, this.terms);
}
});
const SearchResultsBase = new Lang.Class({
Name: 'SearchResultsBase',
_init: function(provider) {
this.provider = provider;
this._notDisplayedResult = [];
this._terms = [];
this.actor = new St.BoxLayout({ style_class: 'search-section',
vertical: true });
this._resultDisplayBin = new St.Bin({ x_fill: true,
y_fill: true });
this.actor.add(this._resultDisplayBin, { expand: true });
let separator = new Separator.HorizontalSeparator({ style_class: 'search-section-separator' });
this.actor.add(separator.actor);
},
_clearResultDisplay: function() {
},
clear: function() {
this._clearResultDisplay();
this.actor.hide();
},
hasMoreResults: function() {
return this._notDisplayedResult.length > 0;
},
_keyFocusIn: function(icon) {
this.emit('key-focus-in', icon);
},
setResults: function(results, terms) {
// copy the lists
this._notDisplayedResult = results.slice(0);
this._terms = terms.slice(0);
},
_setMoreIconVisible: function(visible) {
},
updateSearch: function(providerResults, terms, callback) {
this.setResults(providerResults, terms);
if (providerResults.length == 0) {
this._clearResultDisplay();
this.actor.hide();
callback();
} else {
let results = this.getResultsForDisplay();
this.provider.getResultMetas(results, Lang.bind(this, function(metas) {
this.clear();
// To avoid CSS transitions causing flickering when
// the first search result stays the same, we hide the
// content while filling in the results.
this.actor.hide();
this._clearResultDisplay();
this._renderResults(metas);
this._setMoreIconVisible(this.hasMoreResults() && this.provider.canLaunchSearch);
this.actor.show();
callback();
}));
}
}
});
const ListSearchResults = new Lang.Class({
Name: 'ListSearchResults',
Extends: SearchResultsBase,
_init: function(provider) {
this.parent(provider);
this._container = new St.BoxLayout({ style_class: 'search-section-content' });
this.providerIcon = new ProviderIcon(provider);
this.providerIcon.connect('clicked', Lang.bind(this,
function() {
provider.launchSearch(this._terms);
Main.overview.toggle();
}));
this._container.add(this.providerIcon, { x_fill: false,
y_fill: false,
x_align: St.Align.START,
y_align: St.Align.START });
this._content = new St.BoxLayout({ style_class: 'list-search-results',
vertical: true });
this._container.add(this._content, { expand: true });
this._resultDisplayBin.set_child(this._container);
},
_setMoreIconVisible: function(visible) {
this.providerIcon.moreIcon.visible = true;
},
getResultsForDisplay: function() {
let canDisplay = MAX_LIST_SEARCH_RESULTS_ROWS;
let newResults = this._notDisplayedResult.splice(0, canDisplay);
return newResults;
},
getVisibleResultCount: function() {
return this._content.get_n_children();
},
_renderResults: function(metas) {
for (let i = 0; i < metas.length; i++) {
let display = new ListSearchResult(this.provider, metas[i], this._terms);
display.actor.connect('key-focus-in', Lang.bind(this, this._keyFocusIn));
this._content.add_actor(display.actor);
}
},
_clearResultDisplay: function () {
this._content.destroy_all_children();
},
getFirstResult: function() {
if (this.getVisibleResultCount() > 0)
return this._content.get_child_at_index(0)._delegate;
else
return null;
}
});
Signals.addSignalMethods(ListSearchResults.prototype);
const GridSearchResults = new Lang.Class({
Name: 'GridSearchResults',
Extends: SearchResultsBase,
_init: function(provider) {
this.parent(provider);
this._grid = new IconGrid.IconGrid({ rowLimit: MAX_GRID_SEARCH_RESULTS_ROWS,
xAlign: St.Align.START });
this._bin = new St.Bin({ x_align: St.Align.MIDDLE });
this._bin.set_child(this._grid.actor);
this._resultDisplayBin.set_child(this._bin);
},
getResultsForDisplay: function() {
let canDisplay = this._grid.childrenInRow(this._bin.width) * this._grid.getRowLimit();
let newResults = this._notDisplayedResult.splice(0, canDisplay);
return newResults;
},
getVisibleResultCount: function() {
return this._grid.visibleItemsCount();
},
_renderResults: function(metas) {
for (let i = 0; i < metas.length; i++) {
let display = new GridSearchResult(this.provider, metas[i], this._terms);
display.actor.connect('key-focus-in', Lang.bind(this, this._keyFocusIn));
this._grid.addItem(display.actor);
}
},
_clearResultDisplay: function () {
this._grid.removeAll();
},
getFirstResult: function() {
if (this.getVisibleResultCount() > 0)
return this._grid.getItemAtIndex(0)._delegate;
else
return null;
}
});
Signals.addSignalMethods(GridSearchResults.prototype);
const SearchResults = new Lang.Class({
Name: 'SearchResults',
_init: function(searchSystem) {
this._searchSystem = searchSystem;
this._searchSystem.connect('search-updated', Lang.bind(this, this._updateResults));
this.actor = new St.BoxLayout({ name: 'searchResults',
vertical: true });
this._content = new St.BoxLayout({ name: 'searchResultsContent',
vertical: true });
this._contentBin = new MaxWidthBin({ name: 'searchResultsBin',
x_fill: true,
y_fill: true,
child: this._content });
let scrollChild = new St.BoxLayout();
scrollChild.add(this._contentBin, { expand: true });
this._scrollView = new St.ScrollView({ x_fill: true,
y_fill: false,
overlay_scrollbars: true,
style_class: 'search-display vfade' });
this._scrollView.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
this._scrollView.add_actor(scrollChild);
let action = new Clutter.PanAction({ interpolate: true });
action.connect('pan', Lang.bind(this, this._onPan));
this._scrollView.add_action(action);
this.actor.add(this._scrollView, { x_fill: true,
y_fill: true,
expand: true,
x_align: St.Align.START,
y_align: St.Align.START });
this._statusText = new St.Label({ style_class: 'search-statustext' });
this._statusBin = new St.Bin({ x_align: St.Align.MIDDLE,
y_align: St.Align.MIDDLE });
this._content.add(this._statusBin, { expand: true });
this._statusBin.add_actor(this._statusText);
this._providers = this._searchSystem.getProviders();
this._providerMeta = [];
for (let i = 0; i < this._providers.length; i++) {
this.createProviderMeta(this._providers[i]);
}
this._highlightDefault = false;
this._defaultResult = null;
},
_onPan: function(action) {
let [dist, dx, dy] = action.get_motion_delta(0);
let adjustment = this._scrollView.vscroll.adjustment;
adjustment.value -= (dy / this.actor.height) * adjustment.page_size;
return false;
},
_keyFocusIn: function(provider, icon) {
Util.ensureActorVisibleInScrollView(this._scrollView, icon);
},
createProviderMeta: function(provider) {
let resultDisplay = null;
if (provider.appInfo) {
resultDisplay = new ListSearchResults(provider);
} else {
resultDisplay = new GridSearchResults(provider);
}
resultDisplay.connect('key-focus-in', Lang.bind(this, this._keyFocusIn));
let resultDisplayBin = new St.Bin({ child: resultDisplay.actor,
x_fill: true,
y_fill: true });
providerBox.add(resultDisplayBin, { expand: true });
let separator = new Separator.HorizontalSeparator({ style_class: 'search-section-separator' });
providerBox.add(separator.actor);
this._providerMeta.push({ provider: provider,
resultDisplay: resultDisplay });
this._content.add(resultDisplay.actor);
},
destroyProviderMeta: function(provider) {
for (let i=0; i < this._providerMeta.length; i++) {
let meta = this._providerMeta[i];
if (meta.provider == provider) {
meta.resultDisplay.actor.destroy();
this._providerMeta.splice(i, 1);
break;
}
}
},
_clearDisplay: function() {
for (let i = 0; i < this._providerMeta.length; i++) {
let meta = this._providerMeta[i];
meta.resultDisplay.clear();
}
},
reset: function() {
this._searchSystem.reset();
this._statusBin.hide();
this._clearDisplay();
this._defaultResult = null;
},
startingSearch: function() {
this.reset();
this._statusText.set_text(_("Searching…"));
this._statusBin.show();
},
_metaForProvider: function(provider) {
return this._providerMeta[this._providers.indexOf(provider)];
},
_maybeSetInitialSelection: function() {
let newDefaultResult = null;
for (let i = 0; i < this._providerMeta.length; i++) {
let meta = this._providerMeta[i];
if (!meta.resultDisplay.actor.visible)
continue;
let firstResult = meta.resultDisplay.getFirstResult();
if (firstResult) {
newDefaultResult = firstResult;
break; // select this one!
}
}
if (newDefaultResult != this._defaultResult) {
if (this._defaultResult)
this._defaultResult.setSelected(false);
if (newDefaultResult)
newDefaultResult.setSelected(this._highlightDefault);
this._defaultResult = newDefaultResult;
}
},
_updateStatusText: function () {
let haveResults = false;
for (let i = 0; i < this._providerMeta.length; ++i)
if (this._providerMeta[i].resultDisplay.getFirstResult()) {
haveResults = true;
break;
}
if (!haveResults) {
this._statusText.set_text(_("No results."));
this._statusBin.show();
} else {
this._statusBin.hide();
}
},
_updateResults: function(searchSystem, results) {
let terms = searchSystem.getTerms();
let [provider, providerResults] = results;
let meta = this._metaForProvider(provider);
meta.resultDisplay.updateSearch(providerResults, terms, Lang.bind(this, function() {
this._maybeSetInitialSelection();
this._updateStatusText();
}));
},
activateDefault: function() {
if (this._defaultResult)
this._defaultResult.activate();
},
highlightDefault: function(highlight) {
this._highlightDefault = highlight;
if (this._defaultResult)
this._defaultResult.setSelected(highlight);
},
navigateFocus: function(direction) {
let rtl = this.actor.get_text_direction() == Clutter.TextDirection.RTL;
if (direction == Gtk.DirectionType.TAB_BACKWARD ||
direction == (rtl ? Gtk.DirectionType.RIGHT
: Gtk.DirectionType.LEFT) ||
direction == Gtk.DirectionType.UP) {
this.actor.navigate_focus(null, direction, false);
return;
}
let from = this._defaultResult ? this._defaultResult.actor : null;
this.actor.navigate_focus(from, direction, false);
}
});
const ProviderIcon = new Lang.Class({
Name: 'ProviderIcon',
Extends: St.Button,
PROVIDER_ICON_SIZE: 48,
_init: function(provider) {
this.provider = provider;
this.parent({ style_class: 'search-provider-icon',
reactive: true,
can_focus: true,
accessible_name: provider.appInfo.get_name(),
track_hover: true });
this._content = new St.Widget({ layout_manager: new Clutter.BinLayout() });
this.set_child(this._content);
let rtl = (this.get_text_direction() == Clutter.TextDirection.RTL);
this.moreIcon = new St.Widget({ style_class: 'search-provider-icon-more',
visible: false,
x_align: rtl ? Clutter.ActorAlign.START : Clutter.ActorAlign.END,
y_align: Clutter.ActorAlign.END,
x_expand: true,
y_expand: true });
let icon = new St.Icon({ icon_size: this.PROVIDER_ICON_SIZE,
gicon: provider.appInfo.get_icon() });
this._content.add_actor(icon);
this._content.add_actor(this.moreIcon);
}
});