4 * This file is part of CameraPlus.
6 * Copyright (C) 2012 Mohammed Sameer <msameer@foolab.org>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
30 property bool showStandBy: state != "on"
32 property alias acquired: policy.acquired
33 property alias hijacked: policy.hijacked
34 property alias scaleAcquired: policy.scaleAcquired
36 property Camera camera: null
37 property Item currentPage: pageStack.currentPage
38 property bool error: false
40 onCurrentPageChanged: {
41 if (state == "on" || state == "policyLost") {
50 function startCamera() {
55 if (!policy.acquire(currentPage.policyMode)) {
56 console.log("Failed to acquire policy resources");
60 if (!camera.start()) {
61 showError(qsTr("Failed to start camera. Please restart the application."));
65 function stopCamera() {
66 if (camera.stop(false)) {
67 policy.acquire(CameraResources.None);
72 function forceStopCamera() {
73 // We don't release resources here so we can get them back
74 // when they become available
75 pageStack.currentPage.policyLost();
82 // onStateChanged: console.log("New state " + handler.state);
87 when: Qt.application.active && currentPage && currentPage.policyMode != CameraResources.None && !policy.hijacked
91 when: (!Qt.application.active && camera.idle) || (currentPage && currentPage.policyMode == CameraResources.None && camera.idle)
106 script: stopCamera();
113 script: handler.startCamera();
121 script: forceStopCamera();
129 script: stopCamera();
136 script: startCamera();