Unity 8
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 FocusScope {
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  readonly property url defaultScreenshot: root.application ? root.application.defaultScreenshot : ""
47 
48  // Whether the Application had a surface before but lost it.
49  property bool hadSurface: sessionContainer.surfaceContainer.hadSurface
50 
51  property bool needToTakeScreenshot:
52  sessionContainer.surface && d.surfaceInitialized && screenshotImage.status === Image.Null
53  && d.applicationState === ApplicationInfoInterface.Stopped
54  onNeedToTakeScreenshotChanged: {
55  if (needToTakeScreenshot) {
56  screenshotImage.take();
57  }
58  }
59 
60  //FIXME - this is a hack to avoid the first few rendered frames as they
61  // might show the UI accommodating due to surface resizes on startup.
62  // Remove this when possible
63  property bool surfaceInitialized: false
64 
65  }
66 
67  Timer {
68  id: surfaceInitTimer
69  interval: 100
70  onTriggered: { if (sessionContainer.surface) {d.surfaceInitialized = true;} }
71  }
72 
73  Image {
74  id: screenshotImage
75  objectName: "screenshotImage"
76  source: d.defaultScreenshot
77  anchors.fill: parent
78  antialiasing: !root.interactive
79 
80  function take() {
81  // Format: "image://application/$APP_ID/$CURRENT_TIME_MS"
82  // eg: "image://application/calculator-app/123456"
83  var timeMs = new Date().getTime();
84  source = "image://application/" + root.application.appId + "/" + timeMs;
85  }
86 
87  // Save memory by using a half-resolution (thus quarter size) screenshot
88  sourceSize.width: root.width / 2
89  sourceSize.height: root.height / 2
90  }
91 
92  Loader {
93  id: splashLoader
94  visible: active
95  active: false
96  anchors.fill: parent
97  sourceComponent: Component {
98  Splash {
99  id: splash
100  title: d.splashTitle ? d.splashTitle : d.name
101  imageSource: d.splashImage
102  icon: d.icon
103  showHeader: d.splashShowHeader
104  backgroundColor: d.splashColor
105  headerColor: d.splashColorHeader
106  footerColor: d.splashColorFooter
107  }
108  }
109  }
110 
111  SessionContainer {
112  id: sessionContainer
113  session: application ? application.session : null
114  anchors.fill: parent
115  orientation: root.orientation
116 
117  onSurfaceChanged: {
118  if (sessionContainer.surface) {
119  surfaceInitTimer.start();
120  } else {
121  d.surfaceInitialized = false;
122  }
123  }
124 
125  focus: true
126  }
127 
128  StateGroup {
129  id: stateGroup
130  objectName: "applicationWindowStateGroup"
131  states: [
132  State {
133  name: "void"
134  when:
135  d.hadSurface && (!sessionContainer.surface || !d.surfaceInitialized)
136  &&
137  screenshotImage.status !== Image.Ready
138  },
139  State {
140  name: "splashScreen"
141  when:
142  !d.hadSurface && (!sessionContainer.surface || !d.surfaceInitialized)
143  &&
144  screenshotImage.status !== Image.Ready
145  },
146  State {
147  name: "surface"
148  when:
149  (sessionContainer.surface && d.surfaceInitialized)
150  &&
151  (d.applicationState !== ApplicationInfoInterface.Stopped
152  || screenshotImage.status !== Image.Ready)
153  },
154  State {
155  name: "screenshot"
156  when:
157  screenshotImage.status === Image.Ready
158  &&
159  (d.applicationState === ApplicationInfoInterface.Stopped
160  || !sessionContainer.surface || !d.surfaceInitialized)
161  }
162  ]
163 
164  transitions: [
165  Transition {
166  from: ""; to: "splashScreen"
167  PropertyAction { target: splashLoader; property: "active"; value: true }
168  PropertyAction { target: sessionContainer.surfaceContainer
169  property: "visible"; value: false }
170  },
171  Transition {
172  from: "splashScreen"; to: "surface"
173  SequentialAnimation {
174  PropertyAction { target: sessionContainer.surfaceContainer
175  property: "opacity"; value: 0.0 }
176  PropertyAction { target: sessionContainer.surfaceContainer
177  property: "visible"; value: true }
178  UbuntuNumberAnimation { target: sessionContainer.surfaceContainer; property: "opacity";
179  from: 0.0; to: 1.0
180  duration: UbuntuAnimation.BriskDuration }
181  PropertyAction { target: splashLoader; property: "active"; value: false }
182  }
183  },
184  Transition {
185  from: "surface"; to: "splashScreen"
186  SequentialAnimation {
187  PropertyAction { target: splashLoader; property: "active"; value: true }
188  PropertyAction { target: sessionContainer.surfaceContainer
189  property: "visible"; value: true }
190  UbuntuNumberAnimation { target: splashLoader; property: "opacity";
191  from: 0.0; to: 1.0
192  duration: UbuntuAnimation.BriskDuration }
193  PropertyAction { target: sessionContainer.surfaceContainer
194  property: "visible"; value: false }
195  }
196  },
197  Transition {
198  from: "surface"; to: "screenshot"
199  SequentialAnimation {
200  PropertyAction { target: screenshotImage
201  property: "visible"; value: true }
202  UbuntuNumberAnimation { target: screenshotImage; property: "opacity";
203  from: 0.0; to: 1.0
204  duration: UbuntuAnimation.BriskDuration }
205  PropertyAction { target: sessionContainer.surfaceContainer
206  property: "visible"; value: false }
207  ScriptAction { script: { if (sessionContainer.session) { sessionContainer.session.release(); } } }
208  }
209  },
210  Transition {
211  from: "screenshot"; to: "surface"
212  SequentialAnimation {
213  PropertyAction { target: sessionContainer.surfaceContainer
214  property: "visible"; value: true }
215  UbuntuNumberAnimation { target: screenshotImage; property: "opacity";
216  from: 1.0; to: 0.0
217  duration: UbuntuAnimation.BriskDuration }
218  PropertyAction { target: screenshotImage; property: "visible"; value: false }
219  PropertyAction { target: screenshotImage; property: "source"; value: "" }
220  }
221  },
222  Transition {
223  from: "splashScreen"; to: "screenshot"
224  SequentialAnimation {
225  PropertyAction { target: screenshotImage
226  property: "visible"; value: true }
227  UbuntuNumberAnimation { target: screenshotImage; property: "opacity";
228  from: 0.0; to: 1.0
229  duration: UbuntuAnimation.BriskDuration }
230  PropertyAction { target: splashLoader; property: "active"; value: false }
231  }
232  },
233  Transition {
234  from: "surface"; to: "void"
235  SequentialAnimation {
236  PropertyAction { target: sessionContainer.surfaceContainer; property: "visible"; value: false }
237  ScriptAction { script: { if (sessionContainer.session) { sessionContainer.session.release(); } } }
238  }
239  },
240  Transition {
241  from: "void"; to: "surface"
242  SequentialAnimation {
243  PropertyAction { target: sessionContainer.surfaceContainer; property: "opacity"; value: 0.0 }
244  PropertyAction { target: sessionContainer.surfaceContainer; property: "visible"; value: true }
245  UbuntuNumberAnimation { target: sessionContainer.surfaceContainer; property: "opacity";
246  from: 0.0; to: 1.0
247  duration: UbuntuAnimation.BriskDuration }
248  }
249  }
250  ]
251  }
252 
253 }