Added CameraPage::policyLost()
[harmattan/cameraplus] / qml / CameraPage.qml
1 // -*- qml -*-
2
3 /*!
4  * This file is part of CameraPlus.
5  *
6  * Copyright (C) 2012 Mohammed Sameer <msameer@foolab.org>
7  *
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.
12  *
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.
17  *
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
21  */
22
23 import QtQuick 1.1
24 import com.nokia.meego 1.1
25 import QtCamera 1.0
26 import CameraPlus 1.0
27 import QtMobility.systeminfo 1.2
28
29 Page {
30         id: page
31
32         property alias standbyWidget: standby
33
34         property bool needsPipeline: true
35         property int policyMode: CameraResources.None
36
37         property Camera cam: null
38         property bool controlsVisible: cam.running && !standby.visible
39         property bool zoomVisible: true
40         property bool modesVisible: true
41         property bool standbyVisible: true
42         property bool focusReticleVisible: true
43
44         property alias previewAnimationRunning: preview.animationRunning
45
46         signal batteryLow
47
48         function policyLost() {
49                 // Nothing
50         }
51
52         onStatusChanged: {
53                 if (status == PageStatus.Active) {
54                         focusReticle.setRegionOfInterest();
55                 }
56         }
57
58         Rectangle {
59                 // TODO: fade out transition
60                 // TODO: there is a toolbar visible on the first startup
61                 id: standby
62                 color: "black"
63                 anchors.fill: parent
64                 visible: standbyVisible && page.status == PageStatus.Active && pipelineManager.showStandBy
65
66                 Image {
67                         id: icon
68                         source: "image://theme/icon-l-camera-standby"
69                         anchors.centerIn: parent
70                 }
71
72                 Label {
73                         anchors.top: icon.bottom
74                         anchors.right: parent.right
75                         anchors.left: parent.left
76                         text: qsTr("Resources lost")
77                         color: "white"
78                         font.pixelSize: 36
79                         horizontalAlignment: Text.AlignHCenter
80                         visible: pipelineManager.state == "policyLost"
81                 }
82         }
83
84         function setPreview(image) {
85                 preview.setPreview(image);
86         }
87
88         ModeButton {
89                 anchors.bottom: parent.bottom
90                 anchors.right: parent.right
91                 anchors.rightMargin: 20
92                 anchors.bottomMargin: 20
93                 visible: controlsVisible && modesVisible
94         }
95
96         PreviewImage {
97                 id: preview
98         }
99
100         ZoomSlider {
101                 id: zoom
102                 camera: cam
103                 anchors.top: parent.top
104                 anchors.topMargin: 0
105                 anchors.horizontalCenter: parent.horizontalCenter
106                 visible: controlsVisible && zoomVisible
107         }
108
109         function checkDiskSpace() {
110                 return fileSystem.hasFreeSpace(fileNaming.path);
111         }
112
113         function checkBattery() {
114                 // We are fine if we are connected to the charger:
115                 if (batteryMonitor.chargingState == BatteryInfo.Charging) {
116                         return true;
117                 }
118
119                 // If we have enough battery then we are fine:
120                 if (batteryMonitor.batteryStatus > BatteryInfo.BatteryCritical) {
121                         return true;
122                 }
123
124                 return false;
125         }
126
127         BatteryInfo {
128                 id: batteryMonitor
129                 monitorChargingStateChanges: cam.running
130                 monitorBatteryStatusChanges: cam.running
131
132                 onChargingStateChanged: {
133                         if (!checkBattery()) {
134                                 parent.batteryLow();
135                         }
136                 }
137
138                 onBatteryStatusChanged:  {
139                         if (!checkBattery()) {
140                                 parent.batteryLow();
141                         }
142                 }
143         }
144 }