Lomiri
ApplicationWindow.qml
1/*
2 * Copyright 2014-2016 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
17import QtQuick 2.4
18import Lomiri.Components 1.3
19import QtMir.Application 0.1
20
21FocusScope {
22 id: root
23 implicitWidth: requestedWidth
24 implicitHeight: requestedHeight
25
26 // to be read from outside
27 property alias interactive: surfaceContainer.interactive
28 property bool orientationChangesEnabled: d.supportsSurfaceResize ? d.surfaceOldEnoughToBeResized : true
29 readonly property string title: surface && surface.name !== "" ? surface.name : d.name
30 readonly property QtObject focusedSurface: d.focusedSurface.surface
31 readonly property alias surfaceInitialized: d.surfaceInitialized
32
33 // to be set from outside
34 property QtObject surface
35 property QtObject application
36 property int surfaceOrientationAngle
37 property int requestedWidth: -1
38 property int requestedHeight: -1
39 property real splashRotation: 0
40
41 readonly property int minimumWidth: surface ? surface.minimumWidth : 0
42 readonly property int minimumHeight: surface ? surface.minimumHeight : 0
43 readonly property int maximumWidth: surface ? surface.maximumWidth : 0
44 readonly property int maximumHeight: surface ? surface.maximumHeight : 0
45 readonly property int widthIncrement: surface ? surface.widthIncrement : 0
46 readonly property int heightIncrement: surface ? surface.heightIncrement : 0
47
48 onSurfaceChanged: {
49 // The order in which the instructions are executed here matters, to that the correct state
50 // transitions in stateGroup take place.
51 // More specifically, the moment surfaceContainer.surface gets updated relative to the
52 // other instructions.
53 if (surface) {
54 surfaceContainer.surface = surface;
55 surfaceInitTimer.start();
56 } else {
57 d.surfaceInitialized = false;
58 surfaceContainer.surface = null;
59 }
60 }
61
62 QtObject {
63 id: d
64
65 // helpers so that we don't have to check for the existence of an application everywhere
66 // (in order to avoid breaking qml binding due to a javascript exception)
67 readonly property string name: root.application ? root.application.name : ""
68 readonly property url icon: root.application ? root.application.icon : ""
69 readonly property int applicationState: root.application ? root.application.state : -1
70 readonly property string splashTitle: root.application ? root.application.splashTitle : ""
71 readonly property url splashImage: root.application ? root.application.splashImage : ""
72 readonly property bool splashShowHeader: root.application ? root.application.splashShowHeader : true
73 readonly property color splashColor: root.application ? root.application.splashColor : "#00000000"
74 readonly property color splashColorHeader: root.application ? root.application.splashColorHeader : "#00000000"
75 readonly property color splashColorFooter: root.application ? root.application.splashColorFooter : "#00000000"
76
77 // Whether the Application had a surface before but lost it.
78 property bool hadSurface: false
79
80 //FIXME - this is a hack to avoid the first few rendered frames as they
81 // might show the UI accommodating due to surface resizes on startup.
82 // Remove this when possible
83 property bool surfaceInitialized: false
84
85 readonly property bool supportsSurfaceResize:
86 application &&
87 ((application.supportedOrientations & Qt.PortraitOrientation)
88 || (application.supportedOrientations & Qt.InvertedPortraitOrientation))
89 &&
90 ((application.supportedOrientations & Qt.LandscapeOrientation)
91 || (application.supportedOrientations & Qt.InvertedLandscapeOrientation))
92
93 property bool surfaceOldEnoughToBeResized: false
94
95 property Item focusedSurface: promptSurfacesRepeater.count === 0 ? surfaceContainer
96 : promptSurfacesRepeater.first
97 onFocusedSurfaceChanged: {
98 if (focusedSurface) {
99 focusedSurface.focus = true;
100 }
101 }
102 }
103
104 Binding {
105 target: root.application
106 property: "initialSurfaceSize"
107 value: Qt.size(root.requestedWidth, root.requestedHeight)
108 }
109
110 Timer {
111 id: surfaceInitTimer
112 interval: 100
113 onTriggered: {
114 if (root.surface && root.surface.live) {
115 d.surfaceInitialized = true;
116 d.hadSurface = true;
117 d.surfaceOldEnoughToBeResized = true;
118 }
119 }
120 }
121
122 Loader {
123 id: splashLoader
124 visible: active
125 active: false
126 anchors.fill: parent
127 z: 1
128 sourceComponent: Component {
129 Splash {
130 id: splash
131 title: d.splashTitle ? d.splashTitle : d.name
132 imageSource: d.splashImage
133 icon: d.icon
134 showHeader: d.splashShowHeader
135 backgroundColor: d.splashColor
136 headerColor: d.splashColorHeader
137 footerColor: d.splashColorFooter
138
139 rotation: root.splashRotation
140 anchors.centerIn: parent
141 width: rotation == 0 || rotation == 180 ? root.width : root.height
142 height: rotation == 0 || rotation == 180 ? root.height : root.width
143 }
144 }
145 }
146
147 SurfaceContainer {
148 id: surfaceContainer
149 anchors.fill: parent
150 z: splashLoader.z + 1
151 requestedWidth: root.requestedWidth
152 requestedHeight: root.requestedHeight
153 surfaceOrientationAngle: application && application.rotatesWindowContents ? root.surfaceOrientationAngle : 0
154 }
155
156 Repeater {
157 id: promptSurfacesRepeater
158 objectName: "promptSurfacesRepeater"
159 // show only along with the top-most application surface
160 model: {
161 if (root.application && (
162 root.surface === root.application.surfaceList.first ||
163 root.application.surfaceList.count === 0)) {
164 return root.application.promptSurfaceList;
165 } else {
166 return null;
167 }
168 }
169 delegate: SurfaceContainer {
170 id: promptSurfaceContainer
171 interactive: index === 0 && root.interactive
172 surface: model.surface
173 width: root.width
174 height: root.height
175 requestedWidth: root.requestedWidth
176 requestedHeight: root.requestedHeight
177 isPromptSurface: true
178 z: surfaceContainer.z + (promptSurfacesRepeater.count - index)
179 property int index: model.index
180 onIndexChanged: updateFirst()
181 Component.onCompleted: updateFirst()
182 function updateFirst() {
183 if (index === 0) {
184 promptSurfacesRepeater.first = promptSurfaceContainer;
185 }
186 }
187 }
188 onCountChanged: {
189 if (count === 0) {
190 first = null;
191 }
192 }
193 property Item first: null
194 }
195
196 StateGroup {
197 id: stateGroup
198 objectName: "applicationWindowStateGroup"
199 states: [
200 State{
201 name: "surface"
202 when: (root.surface && d.surfaceInitialized) || d.hadSurface
203 },
204 State {
205 name: "splash"
206 when: !root.surface && !d.surfaceInitialized && !d.hadSurface
207 PropertyChanges { target: splashLoader; active: true }
208 }
209 ]
210 }
211}