gnome-shell/js/ui/windowManager.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const AltTab = imports.ui.altTab;
const WorkspaceSwitcherPopup = imports.ui.workspaceSwitcherPopup;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const WINDOW_ANIMATION_TIME = 0.25;
function WindowManager() {
this._init();
}
WindowManager.prototype = {
_init : function() {
this._shellwm = global.window_manager;
this._keyBindingHandlers = [];
this._minimizing = [];
this._maximizing = [];
this._unmaximizing = [];
this._mapping = [];
this._destroying = [];
this._switchData = null;
this._shellwm.connect('switch-workspace', Lang.bind(this, this._switchWorkspace));
this._shellwm.connect('kill-switch-workspace', Lang.bind(this, this._switchWorkspaceDone));
this._shellwm.connect('minimize', Lang.bind(this, this._minimizeWindow));
this._shellwm.connect('kill-minimize', Lang.bind(this, this._minimizeWindowDone));
this._shellwm.connect('maximize', Lang.bind(this, this._maximizeWindow));
this._shellwm.connect('kill-maximize', Lang.bind(this, this._maximizeWindowDone));
this._shellwm.connect('unmaximize', Lang.bind(this, this._unmaximizeWindow));
this._shellwm.connect('kill-unmaximize', Lang.bind(this, this._unmaximizeWindowDone));
this._shellwm.connect('map', Lang.bind(this, this._mapWindow));
this._shellwm.connect('kill-map', Lang.bind(this, this._mapWindowDone));
this._shellwm.connect('destroy', Lang.bind(this, this._destroyWindow));
this._shellwm.connect('kill-destroy', Lang.bind(this, this._destroyWindowDone));
this._workspaceSwitcherPopup = null;
this.setKeybindingHandler('switch_to_workspace_left', Lang.bind(this, this._showWorkspaceSwitcher));
this.setKeybindingHandler('switch_to_workspace_right', Lang.bind(this, this._showWorkspaceSwitcher));
this.setKeybindingHandler('switch_to_workspace_up', Lang.bind(this, this._showWorkspaceSwitcher));
this.setKeybindingHandler('switch_to_workspace_down', Lang.bind(this, this._showWorkspaceSwitcher));
this.setKeybindingHandler('switch_windows', Lang.bind(this, this._startAppSwitcher));
},
setKeybindingHandler: function(keybinding, handler){
if (this._keyBindingHandlers[keybinding])
this._shellwm.disconnect(this._keyBindingHandlers[keybinding]);
else
this._shellwm.takeover_keybinding(keybinding);
this._keyBindingHandlers[keybinding] =
this._shellwm.connect('keybinding::' + keybinding, handler);
},
_shouldAnimate : function(actor) {
if (Main.overview.visible)
return false;
if (actor && (actor.get_window_type() != Meta.CompWindowType.NORMAL))
return false;
return true;
},
_removeEffect : function(list, actor) {
let idx = list.indexOf(actor);
if (idx != -1) {
list.splice(idx, 1);
return true;
}
return false;
},
_minimizeWindow : function(shellwm, actor) {
if (!this._shouldAnimate(actor)) {
shellwm.completed_minimize(actor);
return;
}
actor.set_scale(1.0, 1.0);
actor.move_anchor_point_from_gravity(Clutter.Gravity.CENTER);
/* scale window down to 0x0.
* maybe TODO: get icon geometry passed through and move the window towards it?
*/
this._minimizing.push(actor);
let primary = global.get_primary_monitor();
let xDest = primary.x;
if (St.Widget.get_default_direction() == St.TextDirection.RTL)
xDest += primary.width;
Tweener.addTween(actor,
{ scale_x: 0.0,
scale_y: 0.0,
x: xDest,
y: 0,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._minimizeWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._minimizeWindowOverwritten,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
},
_minimizeWindowDone : function(shellwm, actor) {
if (this._removeEffect(this._minimizing, actor)) {
Tweener.removeTweens(actor);
actor.set_scale(1.0, 1.0);
actor.move_anchor_point_from_gravity(Clutter.Gravity.NORTH_WEST);
shellwm.completed_minimize(actor);
}
},
_minimizeWindowOverwritten : function(shellwm, actor) {
if (this._removeEffect(this._minimizing, actor)) {
shellwm.completed_minimize(actor);
}
},
_maximizeWindow : function(shellwm, actor, targetX, targetY, targetWidth, targetHeight) {
shellwm.completed_maximize(actor);
},
_maximizeWindowDone : function(shellwm, actor) {
},
_maximizeWindowOverwrite : function(shellwm, actor) {
},
_unmaximizeWindow : function(shellwm, actor, targetX, targetY, targetWidth, targetHeight) {
shellwm.completed_unmaximize(actor);
},
_unmaximizeWindowDone : function(shellwm, actor) {
},
_mapWindow : function(shellwm, actor) {
if (!this._shouldAnimate(actor)) {
shellwm.completed_map(actor);
return;
}
actor.opacity = 0;
actor.show();
/* Fade window in */
this._mapping.push(actor);
Tweener.addTween(actor,
{ opacity: 255,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._mapWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._mapWindowOverwrite,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
},
_mapWindowDone : function(shellwm, actor) {
if (this._removeEffect(this._mapping, actor)) {
Tweener.removeTweens(actor);
actor.opacity = 255;
shellwm.completed_map(actor);
}
},
_mapWindowOverwrite : function(shellwm, actor) {
if (this._removeEffect(this._mapping, actor)) {
shellwm.completed_map(actor);
}
},
_destroyWindow : function(shellwm, actor) {
shellwm.completed_destroy(actor);
},
_destroyWindowDone : function(shellwm, actor) {
},
_switchWorkspace : function(shellwm, from, to, direction) {
if (!this._shouldAnimate()) {
shellwm.completed_switch_workspace();
return;
}
let windows = shellwm.get_switch_workspace_actors();
/* @direction is the direction that the "camera" moves, so the
* screen contents have to move one screen's worth in the
* opposite direction.
*/
let xDest = 0, yDest = 0;
if (direction == Meta.MotionDirection.UP ||
direction == Meta.MotionDirection.UP_LEFT ||
direction == Meta.MotionDirection.UP_RIGHT)
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yDest = global.screen_height;
else if (direction == Meta.MotionDirection.DOWN ||
direction == Meta.MotionDirection.DOWN_LEFT ||
direction == Meta.MotionDirection.DOWN_RIGHT)
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yDest = -global.screen_height;
if (direction == Meta.MotionDirection.LEFT ||
direction == Meta.MotionDirection.UP_LEFT ||
direction == Meta.MotionDirection.DOWN_LEFT)
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xDest = global.screen_width;
else if (direction == Meta.MotionDirection.RIGHT ||
direction == Meta.MotionDirection.UP_RIGHT ||
direction == Meta.MotionDirection.DOWN_RIGHT)
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xDest = -global.screen_width;
let switchData = {};
this._switchData = switchData;
switchData.inGroup = new Clutter.Group();
switchData.outGroup = new Clutter.Group();
switchData.windows = [];
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let wgroup = global.window_group;
wgroup.add_actor(switchData.inGroup);
wgroup.add_actor(switchData.outGroup);
for (let i = 0; i < windows.length; i++) {
let window = windows[i];
if (!window.meta_window.showing_on_its_workspace())
continue;
if (window.get_workspace() == from) {
switchData.windows.push({ window: window,
parent: window.get_parent() });
window.reparent(switchData.outGroup);
} else if (window.get_workspace() == to) {
switchData.windows.push({ window: window,
parent: window.get_parent() });
window.reparent(switchData.inGroup);
window.show_all();
}
}
switchData.inGroup.set_position(-xDest, -yDest);
switchData.inGroup.raise_top();
Tweener.addTween(switchData.outGroup,
{ x: xDest,
y: yDest,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._switchWorkspaceDone,
onCompleteScope: this,
onCompleteParams: [shellwm]
});
Tweener.addTween(switchData.inGroup,
{ x: 0,
y: 0,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad"
});
},
_switchWorkspaceDone : function(shellwm) {
let switchData = this._switchData;
if (!switchData)
return;
this._switchData = null;
for (let i = 0; i < switchData.windows.length; i++) {
let w = switchData.windows[i];
if (w.window.get_parent() == switchData.outGroup) {
w.window.reparent(w.parent);
w.window.hide();
} else
w.window.reparent(w.parent);
}
Tweener.removeTweens(switchData.inGroup);
Tweener.removeTweens(switchData.outGroup);
switchData.inGroup.destroy();
switchData.outGroup.destroy();
shellwm.completed_switch_workspace();
},
_startAppSwitcher : function(shellwm, binding, window, backwards) {
/* prevent a corner case where both popups show up at once */
if (this._workspaceSwitcherPopup != null)
this._workspaceSwitcherPopup.actor.hide();
let tabPopup = new AltTab.AltTabPopup();
if (!tabPopup.show(backwards))
tabPopup.destroy();
},
_showWorkspaceSwitcher : function(shellwm, binding, window, backwards) {
/* We don't support this kind of layout */
if (binding == "switch_to_workspace_up" || binding == "switch_to_workspace_down")
return;
if (global.screen.n_workspaces == 1)
return;
if (this._workspaceSwitcherPopup == null)
this._workspaceSwitcherPopup = new WorkspaceSwitcherPopup.WorkspaceSwitcherPopup();
if (binding == "switch_to_workspace_left") {
this.actionMoveWorkspaceLeft();
}
if (binding == "switch_to_workspace_right") {
this.actionMoveWorkspaceRight();
}
},
actionMoveWorkspaceLeft: function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
if (activeWorkspaceIndex > 0) {
global.screen.get_workspace_by_index(activeWorkspaceIndex - 1).activate(global.get_current_time());
if (!Main.overview.visible)
this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.LEFT, activeWorkspaceIndex - 1);
} else if (!Main.overview.visible) {
this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.LEFT, activeWorkspaceIndex);
}
},
actionMoveWorkspaceRight: function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
if (activeWorkspaceIndex < global.screen.n_workspaces - 1) {
global.screen.get_workspace_by_index(activeWorkspaceIndex + 1).activate(global.get_current_time());
if (!Main.overview.visible)
this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.RIGHT, activeWorkspaceIndex + 1);
} else if (!Main.overview.visible) {
this._workspaceSwitcherPopup.display(WorkspaceSwitcherPopup.RIGHT, activeWorkspaceIndex);
}
}
};