Unity 8
 All Classes Functions
ApplicationWindow.qml
1 /*
2  * Copyright 2014 Canonical Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 import QtQuick 2.0
18 import Ubuntu.Components 1.1
19 import Unity.Application 0.1
20 
21 Item {
22  id: root
23 
24  // to be read from outside
25  readonly property bool fullscreen: application ? application.fullscreen : false
26  property alias interactive: sessionContainer.interactive
27 
28  // to be set from outside
29  property QtObject application
30  property int orientation
31 
32  QtObject {
33  id: d
34 
35  // helpers so that we don't have to check for the existence of an application everywhere
36  // (in order to avoid breaking qml binding due to a javascript exception)
37  readonly property string name: root.application ? root.application.name : ""
38  readonly property url icon: root.application ? root.application.icon : ""
39  readonly property int applicationState: root.application ? root.application.state : -1
40  readonly property string splashTitle: root.application ? root.application.splashTitle : ""
41  readonly property url splashImage: root.application ? root.application.splashImage : ""
42  readonly property bool splashShowHeader: root.application ? root.application.splashShowHeader : true
43  readonly property color splashColor: root.application ? root.application.splashColor : "#00000000"
44  readonly property color splashColorHeader: root.application ? root.application.splashColorHeader : "#00000000"
45  readonly property color splashColorFooter: root.application ? root.application.splashColorFooter : "#00000000"
46 
47  // Whether the Application had a surface before but lost it.
48  property bool hadSurface: sessionContainer.surfaceContainer.hadSurface
49 
50  property bool needToTakeScreenshot:
51  sessionContainer.surface && d.surfaceInitialized && screenshotImage.status === Image.Null
52  && d.applicationState === ApplicationInfoInterface.Stopped
53  onNeedToTakeScreenshotChanged: {
54  if (needToTakeScreenshot) {
55  screenshotImage.take();
56  }
57  }
58 
59  //FIXME - this is a hack to avoid the first few rendered frames as they
60  // might show the UI accommodating due to surface resizes on startup.
61  // Remove this when possible
62  property bool surfaceInitialized: false
63 
64  }
65 
66  Timer {
67  id: surfaceInitTimer
68  interval: 100
69  onTriggered: { if (sessionContainer.surface) {d.surfaceInitialized = true;} }
70  }
71 
72  Image {
73  id: screenshotImage
74  objectName: "screenshotImage"
75  source: ""
76  anchors.fill: parent
77  antialiasing: !root.interactive
78 
79  function take() {
80  // Format: "image://application/$APP_ID/$CURRENT_TIME_MS"
81  // eg: "image://application/calculator-app/123456"
82  var timeMs = new Date().getTime();
83  source = "image://application/" + root.application.appId + "/" + timeMs;
84  }
85 
86  // Save memory by using a half-resolution (thus quarter size) screenshot
87  sourceSize.width: root.width / 2
88  sourceSize.height: root.height / 2
89  }
90 
91  Loader {
92  id: splashLoader
93  visible: active
94  active: false
95  anchors.fill: parent
96  sourceComponent: Component {
97  Splash {
98  id: splash
99  title: d.splashTitle ? d.splashTitle : d.name
100  imageSource: d.splashImage
101  icon: d.icon
102  showHeader: d.splashShowHeader
103  backgroundColor: d.splashColor
104  headerColor: d.splashColorHeader
105  footerColor: d.splashColorFooter
106  }
107  }
108  }
109 
110  SessionContainer {
111  id: sessionContainer
112  session: application ? application.session : null
113  anchors.fill: parent
114  orientation: root.orientation
115 
116  onSurfaceChanged: {
117  if (sessionContainer.surface) {
118  surfaceInitTimer.start();
119  } else {
120  d.surfaceInitialized = false;
121  }
122  }
123  }
124 
125  StateGroup {
126  objectName: "applicationWindowStateGroup"
127  states: [
128  State {
129  name: "void"
130  when:
131  d.hadSurface && (!sessionContainer.surface || !d.surfaceInitialized)
132  &&
133  screenshotImage.status !== Image.Ready
134  },
135  State {
136  name: "splashScreen"
137  when:
138  !d.hadSurface && (!sessionContainer.surface || !d.surfaceInitialized)
139  &&
140  screenshotImage.status !== Image.Ready
141  },
142  State {
143  name: "surface"
144  when:
145  (sessionContainer.surface && d.surfaceInitialized)
146  &&
147  (d.applicationState !== ApplicationInfoInterface.Stopped
148  || screenshotImage.status !== Image.Ready)
149  },
150  State {
151  name: "screenshot"
152  when:
153  screenshotImage.status === Image.Ready
154  &&
155  (d.applicationState === ApplicationInfoInterface.Stopped
156  || !sessionContainer.surface || !d.surfaceInitialized)
157  }
158  ]
159 
160  transitions: [
161  Transition {
162  from: ""; to: "splashScreen"
163  PropertyAction { target: splashLoader; property: "active"; value: true }
164  PropertyAction { target: sessionContainer.surfaceContainer
165  property: "visible"; value: false }
166  },
167  Transition {
168  from: "splashScreen"; to: "surface"
169  SequentialAnimation {
170  PropertyAction { target: sessionContainer.surfaceContainer
171  property: "opacity"; value: 0.0 }
172  PropertyAction { target: sessionContainer.surfaceContainer
173  property: "visible"; value: true }
174  UbuntuNumberAnimation { target: sessionContainer.surfaceContainer; property: "opacity";
175  from: 0.0; to: 1.0
176  duration: UbuntuAnimation.BriskDuration }
177  PropertyAction { target: splashLoader; property: "active"; value: false }
178  }
179  },
180  Transition {
181  from: "surface"; to: "splashScreen"
182  SequentialAnimation {
183  PropertyAction { target: splashLoader; property: "active"; value: true }
184  PropertyAction { target: sessionContainer.surfaceContainer
185  property: "visible"; value: true }
186  UbuntuNumberAnimation { target: splashLoader; property: "opacity";
187  from: 0.0; to: 1.0
188  duration: UbuntuAnimation.BriskDuration }
189  PropertyAction { target: sessionContainer.surfaceContainer
190  property: "visible"; value: false }
191  }
192  },
193  Transition {
194  from: "surface"; to: "screenshot"
195  SequentialAnimation {
196  PropertyAction { target: screenshotImage
197  property: "visible"; value: true }
198  UbuntuNumberAnimation { target: screenshotImage; property: "opacity";
199  from: 0.0; to: 1.0
200  duration: UbuntuAnimation.BriskDuration }
201  PropertyAction { target: sessionContainer.surfaceContainer
202  property: "visible"; value: false }
203  ScriptAction { script: { if (sessionContainer.session) { sessionContainer.session.release(); } } }
204  }
205  },
206  Transition {
207  from: "screenshot"; to: "surface"
208  SequentialAnimation {
209  PropertyAction { target: sessionContainer.surfaceContainer
210  property: "visible"; value: true }
211  UbuntuNumberAnimation { target: screenshotImage; property: "opacity";
212  from: 1.0; to: 0.0
213  duration: UbuntuAnimation.BriskDuration }
214  PropertyAction { target: screenshotImage; property: "visible"; value: false }
215  PropertyAction { target: screenshotImage; property: "source"; value: "" }
216  }
217  },
218  Transition {
219  from: "surface"; to: "void"
220  SequentialAnimation {
221  PropertyAction { target: sessionContainer.surfaceContainer; property: "visible"; value: false }
222  ScriptAction { script: { if (sessionContainer.session) { sessionContainer.session.release(); } } }
223  }
224  },
225  Transition {
226  from: "void"; to: "surface"
227  SequentialAnimation {
228  PropertyAction { target: sessionContainer.surfaceContainer; property: "opacity"; value: 0.0 }
229  PropertyAction { target: sessionContainer.surfaceContainer; property: "visible"; value: true }
230  UbuntuNumberAnimation { target: sessionContainer.surfaceContainer; property: "opacity";
231  from: 0.0; to: 1.0
232  duration: UbuntuAnimation.BriskDuration }
233  }
234  }
235  ]
236  }
237 
238 }