popupMenu: Split the remote menu code into its own module
This is getting sufficiently complicated to deserve its own place. https://bugzilla.gnome.org/show_bug.cgi?id=700257
This commit is contained in:
Jasper St. Pierre
parent
bfd1cc99a0
commit
5803f69605
@ -77,6 +77,7 @@ nobase_dist_js_DATA = \
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ui/pointerWatcher.js \
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ui/popupMenu.js \
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ui/remoteSearch.js \
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ui/remoteMenu.js \
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ui/runDialog.js \
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ui/screencast.js \
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ui/screenshot.js \
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@ -21,6 +21,7 @@ const DND = imports.ui.dnd;
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const Overview = imports.ui.overview;
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const PopupMenu = imports.ui.popupMenu;
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const PanelMenu = imports.ui.panelMenu;
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const RemoteMenu = imports.ui.remoteMenu;
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const Main = imports.ui.main;
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const Tweener = imports.ui.tweener;
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@ -621,11 +622,11 @@ const AppMenuButton = new Lang.Class({
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let menu;
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if (this._targetApp.action_group && this._targetApp.menu) {
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if (this.menu instanceof PopupMenu.RemoteMenu &&
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if (this.menu instanceof RemoteMenu.RemoteMenu &&
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this.menu.actionGroup == this._targetApp.action_group)
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return;
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menu = new PopupMenu.RemoteMenu(this.actor, this._targetApp.menu, this._targetApp.action_group);
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menu = new RemoteMenu.RemoteMenu(this.actor, this._targetApp.menu, this._targetApp.action_group);
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menu.connect('activate', Lang.bind(this, function() {
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let win = this._targetApp.get_windows()[0];
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win.check_alive(global.get_current_time());
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@ -1772,205 +1772,6 @@ const PopupComboBoxMenuItem = new Lang.Class({
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}
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});
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/**
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* RemoteMenu:
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*
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* A PopupMenu that tracks a GMenuModel and shows its actions
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* (exposed by GApplication/GActionGroup)
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*/
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const RemoteMenu = new Lang.Class({
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Name: 'RemoteMenu',
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Extends: PopupMenu,
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_init: function(sourceActor, model, actionGroup) {
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this.parent(sourceActor, 0.0, St.Side.TOP);
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this.model = model;
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this.actionGroup = actionGroup;
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this._actions = {};
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this._trackMenu(model, this);
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this._actionStateChangeId = this.actionGroup.connect('action-state-changed', Lang.bind(this, this._actionStateChanged));
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this._actionEnableChangeId = this.actionGroup.connect('action-enabled-changed', Lang.bind(this, this._actionEnabledChanged));
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},
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destroy: function() {
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if (this._actionStateChangeId) {
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this.actionGroup.disconnect(this._actionStateChangeId);
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this._actionStateChangeId = 0;
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}
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if (this._actionEnableChangeId) {
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this.actionGroup.disconnect(this._actionEnableChangeId);
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this._actionEnableChangeId = 0;
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}
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this.parent();
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},
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_actionAdded: function(model, item, index) {
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let action_id = item.action_id;
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if (!this._actions[action_id])
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this._actions[action_id] = { enabled: this.actionGroup.get_action_enabled(action_id),
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state: this.actionGroup.get_action_state(action_id),
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items: [ ],
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};
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let action = this._actions[action_id];
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let target, destroyId, specificSignalId;
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if (action.state) {
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// Docs have get_state_hint(), except that the DBus protocol
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// has no provision for it (so ShellApp does not implement it,
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// and neither GApplication), and g_action_get_state_hint()
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// always returns null
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// Funny :)
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switch (String.fromCharCode(action.state.classify())) {
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case 'b':
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action.items.push(item);
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item.setOrnament(action.state.get_boolean() ?
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Ornament.CHECK : Ornament.NONE);
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specificSignalId = item.connect('activate', Lang.bind(this, function(item) {
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this.actionGroup.activate_action(action_id, null);
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}));
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break;
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case 's':
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action.items.push(item);
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item._remoteTarget = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_TARGET, null).deep_unpack();
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item.setOrnament(action.state.deep_unpack() == item._remoteTarget ?
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Ornament.DOT : Ornament.NONE);
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specificSignalId = item.connect('activate', Lang.bind(this, function(item) {
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this.actionGroup.activate_action(action_id, GLib.Variant.new_string(item._remoteTarget));
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}));
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break;
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default:
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log('Action "%s" has state of type %s, which is not supported'.format(action_id, action.state.get_type_string()));
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return;
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}
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} else {
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target = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_TARGET, null);
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action.items.push(item);
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specificSignalId = item.connect('activate', Lang.bind(this, function() {
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this.actionGroup.activate_action(action_id, target);
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}));
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}
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item.actor.reactive = item.actor.can_focus = action.enabled;
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destroyId = item.connect('destroy', Lang.bind(this, function() {
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item.disconnect(destroyId);
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item.disconnect(specificSignalId);
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let pos = action.items.indexOf(item);
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if (pos != -1)
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action.items.splice(pos, 1);
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}));
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},
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_trackMenu: function(model, item) {
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item._tracker = Shell.MenuTracker.new(model,
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null, /* action namespace */
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Lang.bind(this, this._insertItem, item),
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Lang.bind(this, this._removeItem, item));
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item.connect('destroy', function() {
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item._tracker.destroy();
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item._tracker = null;
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});
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},
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_createMenuItem: function(model, index) {
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let labelValue = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_LABEL, null);
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let label = labelValue ? labelValue.deep_unpack() : '';
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// remove all underscores that are not followed by another underscore
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label = label.replace(/_([^_])/, '$1');
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let submenuModel = model.get_item_link(index, Gio.MENU_LINK_SUBMENU);
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if (submenuModel) {
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let item = new PopupSubMenuMenuItem(label);
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this._trackMenu(submenuModel, item.menu);
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return item;
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}
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let item = new PopupMenuItem(label);
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let action_id = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_ACTION, null).deep_unpack();
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item.actor.can_focus = item.actor.reactive = false;
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item.action_id = action_id;
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if (this.actionGroup.has_action(action_id)) {
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this._actionAdded(model, item, index);
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return item;
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}
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let signalId = this.actionGroup.connect('action-added', Lang.bind(this, function(actionGroup, actionName) {
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actionGroup.disconnect(signalId);
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if (this._actions[actionName]) return;
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this._actionAdded(model, item, index);
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}));
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return item;
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},
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_actionStateChanged: function(actionGroup, action_id) {
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let action = this._actions[action_id];
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if (!action)
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return;
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action.state = actionGroup.get_action_state(action_id);
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if (action.items.length) {
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switch (String.fromCharCode(action.state.classify())) {
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case 'b':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setOrnament(action.state.get_boolean() ?
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Ornament.CHECK : Ornament.NONE);
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break;
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case 'd':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setValue(action.state.get_double());
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break;
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case 's':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setOrnament(action.items[i]._remoteTarget == action.state.deep_unpack() ?
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Ornament.DOT : Ornament.NONE);
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}
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}
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},
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_actionEnabledChanged: function(actionGroup, action_id) {
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let action = this._actions[action_id];
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if (!action)
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return;
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action.enabled = actionGroup.get_action_enabled(action_id);
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if (action.items.length) {
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for (let i = 0; i < action.items.length; i++) {
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let item = action.items[i];
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item.actor.reactive = item.actor.can_focus = action.enabled;
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}
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}
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},
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_insertItem: function(position, model, item_index, action_namespace, is_separator, target) {
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let item;
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if (is_separator)
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item = new PopupSeparatorMenuItem();
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else
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item = this._createMenuItem(model, item_index);
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target.addMenuItem(item, position);
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},
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_removeItem: function(position, target) {
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let items = target._getMenuItems();
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items[position].destroy();
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},
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});
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/* Basic implementation of a menu manager.
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* Call addMenu to add menus
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*/
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210
js/ui/remoteMenu.js
Normal file
210
js/ui/remoteMenu.js
Normal file
@ -0,0 +1,210 @@
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const GLib = imports.gi.GLib;
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const Gio = imports.gi.Gio;
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const Lang = imports.lang;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const PopupMenu = imports.ui.popupMenu;
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/**
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* RemoteMenu:
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*
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* A PopupMenu that tracks a GMenuModel and shows its actions
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* (exposed by GApplication/GActionGroup)
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*/
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const RemoteMenu = new Lang.Class({
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Name: 'RemoteMenu',
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Extends: PopupMenu.PopupMenu,
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_init: function(sourceActor, model, actionGroup) {
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this.parent(sourceActor, 0.0, St.Side.TOP);
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this.model = model;
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this.actionGroup = actionGroup;
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this._actions = {};
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this._trackMenu(model, this);
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this._actionStateChangeId = this.actionGroup.connect('action-state-changed', Lang.bind(this, this._actionStateChanged));
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this._actionEnableChangeId = this.actionGroup.connect('action-enabled-changed', Lang.bind(this, this._actionEnabledChanged));
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},
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destroy: function() {
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if (this._actionStateChangeId) {
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this.actionGroup.disconnect(this._actionStateChangeId);
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this._actionStateChangeId = 0;
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}
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if (this._actionEnableChangeId) {
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this.actionGroup.disconnect(this._actionEnableChangeId);
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this._actionEnableChangeId = 0;
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}
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this.parent();
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},
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_actionAdded: function(model, item, index) {
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let action_id = item.action_id;
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if (!this._actions[action_id])
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this._actions[action_id] = { enabled: this.actionGroup.get_action_enabled(action_id),
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state: this.actionGroup.get_action_state(action_id),
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items: [ ],
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};
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let action = this._actions[action_id];
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let target, destroyId, specificSignalId;
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if (action.state) {
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// Docs have get_state_hint(), except that the DBus protocol
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// has no provision for it (so ShellApp does not implement it,
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// and neither GApplication), and g_action_get_state_hint()
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// always returns null
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// Funny :)
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switch (String.fromCharCode(action.state.classify())) {
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case 'b':
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action.items.push(item);
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item.setOrnament(action.state.get_boolean() ?
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PopupMenu.Ornament.CHECK :
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PopupMenu.Ornament.NONE);
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specificSignalId = item.connect('activate', Lang.bind(this, function(item) {
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this.actionGroup.activate_action(action_id, null);
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}));
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break;
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case 's':
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action.items.push(item);
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item._remoteTarget = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_TARGET, null).deep_unpack();
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item.setOrnament(action.state.deep_unpack() == item._remoteTarget ?
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PopupMenu.Ornament.DOT :
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PopupMenu.Ornament.NONE);
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specificSignalId = item.connect('activate', Lang.bind(this, function(item) {
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this.actionGroup.activate_action(action_id, GLib.Variant.new_string(item._remoteTarget));
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}));
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break;
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default:
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log('Action "%s" has state of type %s, which is not supported'.format(action_id, action.state.get_type_string()));
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return;
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}
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} else {
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target = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_TARGET, null);
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action.items.push(item);
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specificSignalId = item.connect('activate', Lang.bind(this, function() {
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this.actionGroup.activate_action(action_id, target);
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}));
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}
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item.actor.reactive = item.actor.can_focus = action.enabled;
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destroyId = item.connect('destroy', Lang.bind(this, function() {
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item.disconnect(destroyId);
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item.disconnect(specificSignalId);
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let pos = action.items.indexOf(item);
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if (pos != -1)
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action.items.splice(pos, 1);
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}));
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},
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_trackMenu: function(model, item) {
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item._tracker = Shell.MenuTracker.new(model,
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null, /* action namespace */
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Lang.bind(this, this._insertItem, item),
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Lang.bind(this, this._removeItem, item));
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item.connect('destroy', function() {
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item._tracker.destroy();
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item._tracker = null;
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});
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},
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_createMenuItem: function(model, index) {
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let labelValue = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_LABEL, null);
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let label = labelValue ? labelValue.deep_unpack() : '';
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// remove all underscores that are not followed by another underscore
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label = label.replace(/_([^_])/, '$1');
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let submenuModel = model.get_item_link(index, Gio.MENU_LINK_SUBMENU);
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if (submenuModel) {
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let item = new PopupMenu.PopupSubMenuMenuItem(label);
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this._trackMenu(submenuModel, item.menu);
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return item;
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}
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let item = new PopupMenu.PopupMenuItem(label);
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let action_id = model.get_item_attribute_value(index, Gio.MENU_ATTRIBUTE_ACTION, null).deep_unpack();
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item.actor.can_focus = item.actor.reactive = false;
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item.action_id = action_id;
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if (this.actionGroup.has_action(action_id)) {
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this._actionAdded(model, item, index);
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return item;
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}
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let signalId = this.actionGroup.connect('action-added', Lang.bind(this, function(actionGroup, actionName) {
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actionGroup.disconnect(signalId);
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if (this._actions[actionName]) return;
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this._actionAdded(model, item, index);
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}));
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return item;
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},
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_actionStateChanged: function(actionGroup, action_id) {
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let action = this._actions[action_id];
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if (!action)
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return;
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action.state = actionGroup.get_action_state(action_id);
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if (action.items.length) {
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switch (String.fromCharCode(action.state.classify())) {
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case 'b':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setOrnament(action.state.get_boolean() ?
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Ornament.CHECK : Ornament.NONE);
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break;
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case 'd':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setValue(action.state.get_double());
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break;
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case 's':
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for (let i = 0; i < action.items.length; i++)
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action.items[i].setOrnament(action.items[i]._remoteTarget == action.state.deep_unpack() ?
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Ornament.DOT : Ornament.NONE);
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}
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}
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},
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_actionEnabledChanged: function(actionGroup, action_id) {
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let action = this._actions[action_id];
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if (!action)
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return;
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action.enabled = actionGroup.get_action_enabled(action_id);
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if (action.items.length) {
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for (let i = 0; i < action.items.length; i++) {
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let item = action.items[i];
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item.actor.reactive = item.actor.can_focus = action.enabled;
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}
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}
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},
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_insertItem: function(position, model, item_index, action_namespace, is_separator, target) {
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let item;
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if (is_separator)
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item = new PopupMenu.PopupSeparatorMenuItem();
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else
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item = this._createMenuItem(model, item_index);
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target.addMenuItem(item, position);
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},
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_removeItem: function(position, target) {
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let items = target._getMenuItems();
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items[position].destroy();
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},
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});
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