ScreenShield: move lock status handling to use session mode

Have distinct session modes for the lock screen and the unlock dialog,
and rework the logic in ScreenShield to have the lock-screen mode stack
onto the unlock-dialog mode (where applicable)

https://bugzilla.gnome.org/show_bug.cgi?id=682542
This commit is contained in:
Giovanni Campagna
2012-08-26 16:53:08 +02:00
parent 09e3aed770
commit 8cf9baa132
4 changed files with 76 additions and 58 deletions

View File

@ -422,8 +422,9 @@ const ScreenShield = new Lang.Class({
this._settings = new Gio.Settings({ schema: SCREENSAVER_SCHEMA });
this._isModal = false;
this._isLocked = false;
this._hasLockScreen = false;
this._isGreeter = false;
this._isActive = false;
this._lightbox = new Lightbox.Lightbox(Main.uiGroup,
{ inhibitEvents: true,
@ -519,7 +520,7 @@ const ScreenShield = new Lang.Class({
// If we have a unlock dialog, cancel it
if (this._dialog) {
this._dialog.cancel();
if (!this._keepDialog) {
if (!this._isGreeter) {
this._dialog = null;
}
}
@ -530,7 +531,7 @@ const ScreenShield = new Lang.Class({
if (status == GnomeSession.PresenceStatus.IDLE) {
if (this._dialog) {
this._dialog.cancel();
if (!this._keepDialog) {
if (!this._isGreeter) {
this._dialog = null;
}
}
@ -540,14 +541,14 @@ const ScreenShield = new Lang.Class({
this._isModal = true;
}
if (!this._isLocked)
if (!this._isActive)
this._lightbox.show();
} else {
let lightboxWasShown = this._lightbox.shown;
this._lightbox.hide();
let shouldLock = lightboxWasShown && this._settings.get_boolean(LOCK_ENABLED_KEY);
if (shouldLock || this._isLocked) {
if (shouldLock || this._isActive) {
this.lock(false);
} else if (this._isModal) {
this.unlock();
@ -556,7 +557,13 @@ const ScreenShield = new Lang.Class({
},
showDialog: function() {
this.lock(true);
if (!this._isModal) {
Main.pushModal(this.actor);
this._isModal = true;
}
this.actor.show();
this._isGreeter = Main.sessionMode.isGreeter;
this._ensureUnlockDialog();
this._hideLockScreen(false);
},
@ -590,25 +597,24 @@ const ScreenShield = new Lang.Class({
time: time,
transition: 'linear',
onComplete: function() {
this._lockScreenHidden();
this._lockScreenState = MessageTray.State.HIDDEN;
this._lockScreenGroup.hide();
},
onCompleteScope: this,
});
} else {
this._lockScreenHidden();
this._lockScreenState = MessageTray.State.HIDDEN;
this._lockScreenGroup.hide();
}
},
_lockScreenHidden: function() {
this._lockScreenState = MessageTray.State.HIDDEN;
this._lockScreenGroup.hide();
if (Main.sessionMode.currentMode == 'lock-screen')
Main.sessionMode.popMode('lock-screen');
},
_ensureUnlockDialog: function() {
if (!this._dialog) {
let constructor = Main.sessionMode.unlockDialog;
this._dialog = new constructor(this._lockDialogGroup);
this._keepDialog = Main.sessionMode.isGreeter;
if (!this._dialog) {
// This session mode has no locking capabilities
this.unlock();
@ -625,15 +631,6 @@ const ScreenShield = new Lang.Class({
this._dialog.connect('failed', Lang.bind(this, this._onUnlockFailed));
this._dialog.connect('unlocked', Lang.bind(this, this._onUnlockSucceded));
}
if (Main.sessionMode.isGreeter) {
// Notify the other components that even though we are showing the
// screenshield, we're not in a locked state
// (this happens for the gdm greeter)
this._isLocked = false;
this.emit('lock-status-changed', false);
}
},
_onUnlockFailed: function() {
@ -648,6 +645,7 @@ const ScreenShield = new Lang.Class({
},
_resetLockScreen: function(animate) {
this._ensureLockScreen();
this._lockDialogGroup.scale_x = 1;
this._lockDialogGroup.scale_y = 1;
@ -679,6 +677,9 @@ const ScreenShield = new Lang.Class({
}
this._lockScreenGroup.grab_key_focus();
if (Main.sessionMode.currentMode != 'lock-screen')
Main.sessionMode.pushMode('lock-screen');
},
_lockScreenShown: function() {
@ -696,7 +697,10 @@ const ScreenShield = new Lang.Class({
// Some of the actors in the lock screen are heavy in
// resources, so we only create them when needed
_prepareLockScreen: function() {
_ensureLockScreen: function() {
if (this._hasLockScreen)
return;
this._lockScreenContentsBox = new St.BoxLayout({ x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.CENTER,
x_expand: true,
@ -738,7 +742,7 @@ const ScreenShield = new Lang.Class({
},
get locked() {
return this._isLocked;
return this._isActive;
},
_tweenUnlocked: function() {
@ -760,13 +764,10 @@ const ScreenShield = new Lang.Class({
},
unlock: function() {
if (!this._isLocked)
return;
if (this._hasLockScreen)
this._clearLockScreen();
if (this._dialog && !this._keepDialog) {
if (this._dialog && !this._isGreeter) {
this._dialog.destroy();
this._dialog = null;
}
@ -778,30 +779,36 @@ const ScreenShield = new Lang.Class({
this._isModal = false;
}
this._isLocked = false;
this.actor.hide();
this.emit('lock-status-changed', false);
Main.sessionMode.popMode('lock-screen');
if (Main.sessionMode.currentMode == 'lock-screen')
Main.sessionMode.popMode('lock-screen');
if (Main.sessionMode.currentMode == 'unlock-dialog')
Main.sessionMode.popMode('unlock-dialog');
this._isActive = false;
this.emit('lock-status-changed');
},
lock: function(animate) {
if (this._isLocked)
return;
if (!this._hasLockScreen)
this._prepareLockScreen();
if (!this._isModal) {
Main.pushModal(this.actor);
this._isModal = true;
}
this._isLocked = true;
this.actor.show();
if (Main.sessionMode.currentMode != 'unlock-dialog' &&
Main.sessionMode.currentMode != 'lock-screen') {
this._isGreeter = Main.sessionMode.isGreeter;
if (!this._isGreeter)
Main.sessionMode.pushMode('unlock-dialog');
}
this._resetLockScreen(animate);
this.emit('lock-status-changed', true);
Main.sessionMode.pushMode('lock-screen');
this._isActive = true;
this.emit('lock-status-changed');
},
});
Signals.addSignalMethods(ScreenShield.prototype);