cgit.sxemacs.org Git - harmattan/cameraplus/blob - qml/CameraPage.qml

   1 // -*- qml -*-
   2 import QtQuick 1.1
   3 import com.nokia.meego 1.1
   4 import QtCamera 1.0
   5 import CameraPlus 1.0
   6
   7 Page {
   8         id: page
   9
  10         property alias standbyWidget: standby
  11
  12         property bool needsPipeline: true
  13         property int policyMode: CameraResources.None
  14
  15         Component.onCompleted: {
  16                 if (platformWindow.active && needsPipeline) {
  17                         resourcePolicy.acquire(page.policyMode);
  18                 }
  19         }
  20
  21         onStatusChanged: {
  22                 if (platformWindow.active && status == PageStatus.Activating) {
  23                         resourcePolicy.acquire(page.policyMode);
  24                 }
  25         }
  26 /*
  27         onStatusChanged: {
  28                 if (status == PageStatus.Active && !page.needsPipeline) {
  29                         cam.stop();
  30                 }
  31         }
  32 */
  33
  34         onPolicyModeChanged: {
  35                 if (platformWindow.active) {
  36                         resourcePolicy.acquire(page.policyMode);
  37                 }
  38         }
  39
  40         function handlePipeline() {
  41                 if (!platformWindow.active) {
  42                         // TODO: force if we lost resources ?
  43                         cam.stop();
  44                 }
  45                 else if (resourcePolicy.acquired && page.needsPipeline && !cam.running) {
  46                         // TODO: error
  47                         cam.start();
  48                 }
  49                 else if (!resourcePolicy.acquired) {
  50                         // TODO: force
  51                         cam.stop();
  52                 }
  53         }
  54
  55         Connections {
  56                 target: resourcePolicy
  57                 onAcquiredChanged: handlePipeline();
  58         }
  59
  60         Connections {
  61                 target: platformWindow
  62                 onActiveChanged: {
  63                         if (!platformWindow.active) {
  64                                 // This is a noop if camera is not
  65                                 // idle so calling it will not hurt
  66                                 if (cam.stop()) {
  67                                         resourcePolicy.acquire(CameraResources.None);
  68                                 }
  69                         }
  70                         else if (page.needsPipeline) {
  71                                 resourcePolicy.acquire(page.policyMode);
  72                         }
  73                 }
  74         }
  75
  76         Connections {
  77                 target: cam
  78                 onIdleChanged: {
  79                         if (cam.idle && !platformWindow.active) {
  80                                 cam.stop();
  81                                 resourcePolicy.acquire(CameraResources.None);
  82                         }
  83 /*
  84                         else if (cam.idle && !page.needsPipeline) {
  85                                 cam.stop();
  86                         }
  87 */
  88                 }
  89         }
  90
  91         Rectangle {
  92                 // TODO: color
  93                 // TODO: fade out transition
  94                 // TODO: there is a toolbar visible on the first startup
  95                 id: standby
  96                 color: "black"
  97                 anchors.fill: parent
  98                 visible: !platformWindow.active || !cam.running || !resourcePolicy.acquired
  99                 Image {
 100                         source: "image://theme/icon-l-camera-standby"
 101                         anchors.centerIn: parent
 102                 }
 103         }
 104
 105         property Camera cam: null
 106         property bool controlsVisible: cam.running && !standby.visible
 107
 108         anchors.fill: parent
 109
 110         property alias previewAnimationRunning: preview.animationRunning
 111
 112         function setPreview(image) {
 113                 preview.setPreview(image);
 114         }
 115
 116         ModeButton {
 117                 anchors.bottom: parent.bottom
 118                 anchors.right: parent.right
 119                 anchors.rightMargin: 20
 120                 anchors.bottomMargin: 20
 121                 visible: controlsVisible
 122         }
 123
 124         PreviewImage {
 125                 id: preview
 126         }
 127
 128         ZoomSlider {
 129                 id: zoom
 130                 camera: cam
 131                 anchors.top: parent.top
 132                 anchors.topMargin: 0
 133                 anchors.horizontalCenter: parent.horizontalCenter
 134                 visible: controlsVisible
 135         }
 136 }