df3560143d
Drag monitor functions are supposed to return a value, but _onDragMotion() does not always do so. Add the missing return value and remove unnecessary else.
595 lines
20 KiB
JavaScript
595 lines
20 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
|
|
const Clutter = imports.gi.Clutter;
|
|
const Meta = imports.gi.Meta;
|
|
const Mainloop = imports.mainloop;
|
|
const Signals = imports.signals;
|
|
const Lang = imports.lang;
|
|
const St = imports.gi.St;
|
|
const Shell = imports.gi.Shell;
|
|
const Gettext = imports.gettext.domain('gnome-shell');
|
|
const _ = Gettext.gettext;
|
|
const Gdk = imports.gi.Gdk;
|
|
|
|
const AppDisplay = imports.ui.appDisplay;
|
|
const Dash = imports.ui.dash;
|
|
const DND = imports.ui.dnd;
|
|
const DocDisplay = imports.ui.docDisplay;
|
|
const Lightbox = imports.ui.lightbox;
|
|
const Main = imports.ui.main;
|
|
const MessageTray = imports.ui.messageTray;
|
|
const Panel = imports.ui.panel;
|
|
const PlaceDisplay = imports.ui.placeDisplay;
|
|
const Tweener = imports.ui.tweener;
|
|
const ViewSelector = imports.ui.viewSelector;
|
|
const WorkspacesView = imports.ui.workspacesView;
|
|
|
|
// Time for initial animation going into Overview mode
|
|
const ANIMATION_TIME = 0.25;
|
|
|
|
// We split the screen vertically between the dash and the view selector.
|
|
const DASH_SPLIT_FRACTION = 0.1;
|
|
|
|
const DND_WINDOW_SWITCH_TIMEOUT = 1250;
|
|
|
|
function ShellInfo() {
|
|
this._init();
|
|
}
|
|
|
|
ShellInfo.prototype = {
|
|
_init: function() {
|
|
this._source = null;
|
|
this._undoCallback = null;
|
|
},
|
|
|
|
_onUndoClicked: function() {
|
|
if (this._undoCallback)
|
|
this._undoCallback();
|
|
this._undoCallback = null;
|
|
|
|
if (this._source)
|
|
this._source.destroy();
|
|
},
|
|
|
|
setMessage: function(text, undoCallback, undoLabel) {
|
|
if (this._source == null) {
|
|
this._source = new MessageTray.SystemNotificationSource();
|
|
this._source.connect('destroy', Lang.bind(this,
|
|
function() {
|
|
this._source = null;
|
|
}));
|
|
Main.messageTray.add(this._source);
|
|
}
|
|
|
|
let notification = this._source.notification;
|
|
if (notification == null)
|
|
notification = new MessageTray.Notification(this._source, text, null);
|
|
else
|
|
notification.update(text, null, { clear: true });
|
|
|
|
notification.setTransient(true);
|
|
|
|
this._undoCallback = undoCallback;
|
|
if (undoCallback) {
|
|
notification.addButton('system-undo',
|
|
undoLabel ? undoLabel : _("Undo"));
|
|
notification.connect('action-invoked',
|
|
Lang.bind(this, this._onUndoClicked));
|
|
}
|
|
|
|
this._source.notify(notification);
|
|
}
|
|
};
|
|
|
|
function Overview() {
|
|
this._init();
|
|
}
|
|
|
|
Overview.prototype = {
|
|
_init : function() {
|
|
// The actual global.background_actor is inside global.window_group,
|
|
// which is hidden when displaying the overview, so we display a clone.
|
|
this._background = new Clutter.Clone({ source: global.background_actor });
|
|
this._background.hide();
|
|
global.overlay_group.add_actor(this._background);
|
|
|
|
this._desktopFade = new St.Bin();
|
|
global.overlay_group.add_actor(this._desktopFade);
|
|
|
|
this._spacing = 0;
|
|
|
|
this._group = new St.Group({ name: 'overview' });
|
|
this._group._delegate = this;
|
|
this._group.connect('style-changed',
|
|
Lang.bind(this, function() {
|
|
let node = this._group.get_theme_node();
|
|
let spacing = node.get_length('spacing');
|
|
if (spacing != this._spacing) {
|
|
this._spacing = spacing;
|
|
this.relayout();
|
|
}
|
|
}));
|
|
|
|
this.shellInfo = new ShellInfo();
|
|
|
|
this._workspacesDisplay = null;
|
|
|
|
this.visible = false; // animating to overview, in overview, animating out
|
|
this._shown = false; // show() and not hide()
|
|
this._shownTemporarily = false; // showTemporarily() and not hideTemporarily()
|
|
this._modal = false; // have a modal grab
|
|
this.animationInProgress = false;
|
|
this._hideInProgress = false;
|
|
|
|
// During transitions, we raise this to the top to avoid having the overview
|
|
// area be reactive; it causes too many issues such as double clicks on
|
|
// Dash elements, or mouseover handlers in the workspaces.
|
|
this._coverPane = new Clutter.Rectangle({ opacity: 0,
|
|
reactive: true });
|
|
this._group.add_actor(this._coverPane);
|
|
this._coverPane.connect('event', Lang.bind(this, function (actor, event) { return true; }));
|
|
|
|
|
|
this._group.hide();
|
|
global.overlay_group.add_actor(this._group);
|
|
|
|
this.viewSelector = new ViewSelector.ViewSelector();
|
|
this._group.add_actor(this.viewSelector.actor);
|
|
|
|
this._workspacesDisplay = new WorkspacesView.WorkspacesDisplay();
|
|
this.viewSelector.addViewTab(_("Windows"), this._workspacesDisplay.actor);
|
|
|
|
let appView = new AppDisplay.AllAppDisplay();
|
|
this.viewSelector.addViewTab(_("Applications"), appView.actor);
|
|
|
|
// Default search providers
|
|
this.viewSelector.addSearchProvider(new AppDisplay.AppSearchProvider());
|
|
this.viewSelector.addSearchProvider(new AppDisplay.PrefsSearchProvider());
|
|
this.viewSelector.addSearchProvider(new PlaceDisplay.PlaceSearchProvider());
|
|
this.viewSelector.addSearchProvider(new DocDisplay.DocSearchProvider());
|
|
|
|
// TODO - recalculate everything when desktop size changes
|
|
this._dash = new Dash.Dash();
|
|
this._group.add_actor(this._dash.actor);
|
|
this._dash.actor.add_constraint(this.viewSelector.constrainY);
|
|
this._dash.actor.add_constraint(this.viewSelector.constrainHeight);
|
|
|
|
this._coverPane.lower_bottom();
|
|
|
|
// XDND
|
|
this._dragMonitor = {
|
|
dragMotion: Lang.bind(this, this._onDragMotion)
|
|
};
|
|
|
|
Main.xdndHandler.connect('drag-begin', Lang.bind(this, this._onDragBegin));
|
|
Main.xdndHandler.connect('drag-end', Lang.bind(this, this._onDragEnd));
|
|
|
|
this._windowSwitchTimeoutId = 0;
|
|
this._windowSwitchTimestamp = 0;
|
|
this._lastActiveWorkspaceIndex = -1;
|
|
this._lastHoveredWindow = null;
|
|
this._needsFakePointerEvent = false;
|
|
|
|
this.workspaces = null;
|
|
},
|
|
|
|
_onDragBegin: function() {
|
|
DND.addDragMonitor(this._dragMonitor);
|
|
// Remember the workspace we started from
|
|
this._lastActiveWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
},
|
|
|
|
_onDragEnd: function(time) {
|
|
// In case the drag was canceled while in the overview
|
|
// we have to go back to where we started and hide
|
|
// the overview
|
|
if (this._shownTemporarily) {
|
|
global.screen.get_workspace_by_index(this._lastActiveWorkspaceIndex).activate(time);
|
|
this.hideTemporarily();
|
|
}
|
|
this._lastHoveredWindow = null;
|
|
DND.removeMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_fakePointerEvent: function() {
|
|
let display = Gdk.Display.get_default();
|
|
let deviceManager = display.get_device_manager();
|
|
let pointer = deviceManager.get_client_pointer();
|
|
let [screen, pointerX, pointerY] = pointer.get_position();
|
|
|
|
pointer.warp(screen, pointerX, pointerY);
|
|
},
|
|
|
|
_onDragMotion: function(dragEvent) {
|
|
let targetIsWindow = dragEvent.targetActor &&
|
|
dragEvent.targetActor._delegate &&
|
|
dragEvent.targetActor._delegate.metaWindow;
|
|
|
|
if (targetIsWindow &&
|
|
dragEvent.targetActor._delegate.metaWindow == this._lastHoveredWindow)
|
|
return DND.DragMotionResult.CONTINUE;
|
|
|
|
this._lastHoveredWindow = null;
|
|
|
|
if (this._windowSwitchTimeoutId != 0) {
|
|
Mainloop.source_remove(this._windowSwitchTimeoutId);
|
|
this._windowSwitchTimeoutId = 0;
|
|
this._needsFakePointerEvent = false;
|
|
}
|
|
|
|
if (targetIsWindow) {
|
|
this._lastHoveredWindow = dragEvent.targetActor._delegate.metaWindow;
|
|
this._windowSwitchTimestamp = global.get_current_time();
|
|
this._windowSwitchTimeoutId = Mainloop.timeout_add(DND_WINDOW_SWITCH_TIMEOUT,
|
|
Lang.bind(this, function() {
|
|
this._needsFakePointerEvent = true;
|
|
Main.activateWindow(dragEvent.targetActor._delegate.metaWindow,
|
|
this._windowSwitchTimestamp);
|
|
this.hideTemporarily();
|
|
this._lastHoveredWindow = null;
|
|
}));
|
|
}
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
},
|
|
|
|
_getDesktopClone: function() {
|
|
let windows = global.get_window_actors().filter(function(w) {
|
|
return w.meta_window.get_window_type() == Meta.WindowType.DESKTOP;
|
|
});
|
|
if (windows.length == 0)
|
|
return null;
|
|
|
|
let clone = new Clutter.Clone({ source: windows[0].get_texture() });
|
|
clone.source.connect('destroy', Lang.bind(this, function() {
|
|
clone.destroy();
|
|
}));
|
|
return clone;
|
|
},
|
|
|
|
relayout: function () {
|
|
let primary = global.get_primary_monitor();
|
|
let rtl = (St.Widget.get_default_direction () == St.TextDirection.RTL);
|
|
|
|
let contentY = Panel.PANEL_HEIGHT;
|
|
let contentHeight = primary.height - contentY - Main.messageTray.actor.height;
|
|
|
|
this._group.set_position(primary.x, primary.y);
|
|
this._group.set_size(primary.width, primary.height);
|
|
|
|
this._coverPane.set_position(0, contentY);
|
|
this._coverPane.set_size(primary.width, contentHeight);
|
|
|
|
let viewWidth = (1.0 - DASH_SPLIT_FRACTION) * primary.width - this._spacing;
|
|
let viewHeight = contentHeight - 2 * this._spacing;
|
|
let viewY = contentY + this._spacing;
|
|
let viewX = rtl ? 0
|
|
: Math.floor(DASH_SPLIT_FRACTION * primary.width) + this._spacing;
|
|
|
|
// Set the dash's x position - y is handled by a constraint
|
|
let dashX;
|
|
if (rtl) {
|
|
this._dash.actor.set_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
|
|
dashX = primary.width;
|
|
} else {
|
|
dashX = 0;
|
|
}
|
|
this._dash.actor.set_x(dashX);
|
|
|
|
this.viewSelector.actor.set_position(viewX, viewY);
|
|
this.viewSelector.actor.set_size(viewWidth, viewHeight);
|
|
},
|
|
|
|
//// Public methods ////
|
|
|
|
beginItemDrag: function(source) {
|
|
this.emit('item-drag-begin');
|
|
},
|
|
|
|
endItemDrag: function(source) {
|
|
this.emit('item-drag-end');
|
|
},
|
|
|
|
beginWindowDrag: function(source) {
|
|
this.emit('window-drag-begin');
|
|
},
|
|
|
|
endWindowDrag: function(source) {
|
|
this.emit('window-drag-end');
|
|
},
|
|
|
|
// Returns the scale the Overview has when we just start zooming out
|
|
// to overview mode. That is, when just the active workspace is showing.
|
|
getZoomedInScale : function() {
|
|
return 1 / this.workspaces.getScale();
|
|
},
|
|
|
|
// Returns the position the Overview has when we just start zooming out
|
|
// to overview mode. That is, when just the active workspace is showing.
|
|
getZoomedInPosition : function() {
|
|
let [posX, posY] = this.workspaces.getActiveWorkspacePosition();
|
|
let scale = this.getZoomedInScale();
|
|
|
|
return [- posX * scale, - posY * scale];
|
|
},
|
|
|
|
// Returns the current scale of the Overview.
|
|
getScale : function() {
|
|
return this.workspaces.actor.scaleX;
|
|
},
|
|
|
|
// Returns the current position of the Overview.
|
|
getPosition : function() {
|
|
return [this.workspaces.actor.x, this.workspaces.actor.y];
|
|
},
|
|
|
|
// show:
|
|
//
|
|
// Animates the overview visible and grabs mouse and keyboard input
|
|
show : function() {
|
|
if (this._shown)
|
|
return;
|
|
// Do this manually instead of using _syncInputMode, to handle failure
|
|
if (!Main.pushModal(this.viewSelector.actor))
|
|
return;
|
|
this._modal = true;
|
|
this._animateVisible();
|
|
this._shown = true;
|
|
},
|
|
|
|
_animateVisible: function() {
|
|
if (this.visible || this.animationInProgress)
|
|
return;
|
|
|
|
this.visible = true;
|
|
this.animationInProgress = true;
|
|
|
|
// All the the actors in the window group are completely obscured,
|
|
// hiding the group holding them while the Overview is displayed greatly
|
|
// increases performance of the Overview especially when there are many
|
|
// windows visible.
|
|
//
|
|
// If we switched to displaying the actors in the Overview rather than
|
|
// clones of them, this would obviously no longer be necessary.
|
|
global.window_group.hide();
|
|
this._group.show();
|
|
this._background.show();
|
|
|
|
this.viewSelector.show();
|
|
this._workspacesDisplay.show();
|
|
this._dash.show();
|
|
|
|
this.workspaces = this._workspacesDisplay.workspacesView;
|
|
global.overlay_group.add_actor(this.workspaces.actor);
|
|
|
|
if (!this._desktopFade.child)
|
|
this._desktopFade.child = this._getDesktopClone();
|
|
|
|
if (!this.workspaces.getActiveWorkspace().hasMaximizedWindows()) {
|
|
this._desktopFade.opacity = 255;
|
|
this._desktopFade.show();
|
|
Tweener.addTween(this._desktopFade,
|
|
{ opacity: 0,
|
|
time: ANIMATION_TIME,
|
|
transition: 'easeOutQuad'
|
|
});
|
|
}
|
|
|
|
// Create a zoom out effect. First scale the workspaces view up and
|
|
// position it so that the active workspace fills up the whole screen,
|
|
// then transform it to its normal dimensions and position.
|
|
// The opposite transition is used in hide().
|
|
this.workspaces.actor.scaleX = this.workspaces.actor.scaleY = this.getZoomedInScale();
|
|
[this.workspaces.actor.x, this.workspaces.actor.y] = this.getZoomedInPosition();
|
|
let primary = global.get_primary_monitor();
|
|
Tweener.addTween(this.workspaces.actor,
|
|
{ x: primary.x - this._group.x,
|
|
y: primary.y - this._group.y,
|
|
scaleX: 1,
|
|
scaleY: 1,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._showDone,
|
|
onCompleteScope: this
|
|
});
|
|
|
|
// Make the other elements fade in.
|
|
this._group.opacity = 0;
|
|
Tweener.addTween(this._group,
|
|
{ opacity: 255,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME
|
|
});
|
|
|
|
this._coverPane.raise_top();
|
|
this.emit('showing');
|
|
},
|
|
|
|
// showTemporarily:
|
|
//
|
|
// Animates the overview visible without grabbing mouse and keyboard input;
|
|
// if show() has already been called, this has no immediate effect, but
|
|
// will result in the overview not being hidden until hideTemporarily() is
|
|
// called.
|
|
showTemporarily: function() {
|
|
if (this._shownTemporarily)
|
|
return;
|
|
|
|
this._syncInputMode();
|
|
this._animateVisible();
|
|
this._shownTemporarily = true;
|
|
},
|
|
|
|
// hide:
|
|
//
|
|
// Reverses the effect of show()
|
|
hide: function() {
|
|
if (!this._shown)
|
|
return;
|
|
|
|
if (!this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._shown = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
// hideTemporarily:
|
|
//
|
|
// Reverses the effect of showTemporarily()
|
|
hideTemporarily: function() {
|
|
if (!this._shownTemporarily)
|
|
return;
|
|
|
|
if (!this._shown)
|
|
this._animateNotVisible();
|
|
|
|
this._shownTemporarily = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
toggle: function() {
|
|
if (this._shown)
|
|
this.hide();
|
|
else
|
|
this.show();
|
|
},
|
|
|
|
/**
|
|
* getWorkspacesForWindow:
|
|
* @metaWindow: A #MetaWindow
|
|
*
|
|
* Returns the Workspaces object associated with the given window.
|
|
* This method is not be accessible if the overview is not open
|
|
* and will return %null.
|
|
*/
|
|
getWorkspacesForWindow: function(metaWindow) {
|
|
return this.workspaces;
|
|
},
|
|
|
|
//// Private methods ////
|
|
|
|
_syncInputMode: function() {
|
|
// We delay input mode changes during animation so that when removing the
|
|
// overview we don't have a problem with the release of a press/release
|
|
// going to an application.
|
|
if (this.animationInProgress)
|
|
return;
|
|
|
|
if (this._shown) {
|
|
if (!this._modal) {
|
|
if (Main.pushModal(this._dash.actor))
|
|
this._modal = true;
|
|
else
|
|
this.hide();
|
|
}
|
|
} else if (this._shownTemporarily) {
|
|
if (this._modal) {
|
|
Main.popModal(this._dash.actor);
|
|
this._modal = false;
|
|
}
|
|
global.stage_input_mode = Shell.StageInputMode.FULLSCREEN;
|
|
} else {
|
|
if (this._modal) {
|
|
Main.popModal(this._dash.actor);
|
|
this._modal = false;
|
|
}
|
|
else if (global.stage_input_mode == Shell.StageInputMode.FULLSCREEN)
|
|
global.stage_input_mode = Shell.StageInputMode.NORMAL;
|
|
}
|
|
},
|
|
|
|
_animateNotVisible: function() {
|
|
if (!this.visible || this.animationInProgress)
|
|
return;
|
|
|
|
this.animationInProgress = true;
|
|
this._hideInProgress = true;
|
|
|
|
if (!this.workspaces.getActiveWorkspace().hasMaximizedWindows()) {
|
|
this._desktopFade.opacity = 0;
|
|
this._desktopFade.show();
|
|
Tweener.addTween(this._desktopFade,
|
|
{ opacity: 255,
|
|
time: ANIMATION_TIME,
|
|
transition: 'easeOutQuad' });
|
|
}
|
|
|
|
this.workspaces.hide();
|
|
|
|
// Create a zoom in effect by transforming the workspaces view so that
|
|
// the active workspace fills up the whole screen. The opposite
|
|
// transition is used in show().
|
|
let scale = this.getZoomedInScale();
|
|
let [posX, posY] = this.getZoomedInPosition();
|
|
Tweener.addTween(this.workspaces.actor,
|
|
{ x: posX,
|
|
y: posY,
|
|
scaleX: scale,
|
|
scaleY: scale,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._hideDone,
|
|
onCompleteScope: this
|
|
});
|
|
|
|
// Make other elements fade out.
|
|
Tweener.addTween(this._group,
|
|
{ opacity: 0,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME
|
|
});
|
|
|
|
this._coverPane.raise_top();
|
|
this.emit('hiding');
|
|
},
|
|
|
|
_showDone: function() {
|
|
this.animationInProgress = false;
|
|
this._desktopFade.hide();
|
|
this._coverPane.lower_bottom();
|
|
|
|
this.emit('shown');
|
|
// Handle any calls to hide* while we were showing
|
|
if (!this._shown && !this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._syncInputMode();
|
|
},
|
|
|
|
_hideDone: function() {
|
|
global.window_group.show();
|
|
|
|
this.workspaces.destroy();
|
|
this.workspaces = null;
|
|
|
|
this._workspacesDisplay.hide();
|
|
this.viewSelector.hide();
|
|
this._dash.hide();
|
|
|
|
this._desktopFade.hide();
|
|
this._background.hide();
|
|
this._group.hide();
|
|
|
|
this.visible = false;
|
|
this.animationInProgress = false;
|
|
this._hideInProgress = false;
|
|
|
|
this._coverPane.lower_bottom();
|
|
|
|
this.emit('hidden');
|
|
// Handle any calls to show* while we were hiding
|
|
if (this._shown || this._shownTemporarily)
|
|
this._animateVisible();
|
|
|
|
this._syncInputMode();
|
|
|
|
// Fake a pointer event if requested
|
|
if (this._needsFakePointerEvent) {
|
|
this._fakePointerEvent();
|
|
this._needsFakePointerEvent = false;
|
|
}
|
|
}
|
|
};
|
|
Signals.addSignalMethods(Overview.prototype);
|