2 * Copyright (C) 2013 Canonical, Ltd.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
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 General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 import Ubuntu.Components 1.3
23 property string iconName
25 property bool countVisible: false
26 property int progress: -1
27 property bool itemRunning: false
28 property bool itemFocused: false
29 property real maxAngle: 0
30 property bool inverted: false
31 property bool alerting: false
32 readonly property alias wiggling: wiggleAnim.running
34 readonly property int effectiveHeight: Math.cos(angle * Math.PI / 180) * itemHeight
35 readonly property real foldedHeight: Math.cos(maxAngle * Math.PI / 180) * itemHeight
37 property int itemWidth
38 property int itemHeight
39 // The angle used for rotating
40 property real angle: 0
41 // This is the offset that keeps the items inside the panel
42 property real offset: 0
43 property real itemOpacity: 1
44 property real brightness: 0
45 property double maxWiggleAngle: 5.0
50 readonly property int wiggleDuration: UbuntuAnimation.SnapDuration
51 property real wiggleAngle: 0
63 property: "wiggleAngle"
66 duration: priv.wiggleDuration
67 easing.type: Easing.InQuad
72 property: "wiggleAngle"
75 duration: priv.wiggleDuration
76 easing.type: Easing.InOutQuad
81 property: "wiggleAngle"
84 duration: priv.wiggleDuration
85 easing.type: Easing.InOutQuad
90 property: "wiggleAngle"
93 duration: priv.wiggleDuration
94 easing.type: Easing.InOutQuad
99 property: "wiggleAngle"
100 from: -maxWiggleAngle
102 duration: priv.wiggleDuration
103 easing.type: Easing.InOutQuad
108 property: "wiggleAngle"
111 duration: priv.wiggleDuration
112 easing.type: Easing.OutQuad
115 UbuntuNumberAnimation {
124 width: parent.itemWidth + units.gu(1)
125 height: parent.itemHeight + units.gu(1)
126 anchors.centerIn: parent
130 anchors.centerIn: parent
131 width: parent.width - units.gu(2)
132 aspect: UbuntuShape.DropShadow
135 sourceSize.width: iconShape.width
136 sourceSize.height: iconShape.height
137 source: root.iconName
143 objectName: "countEmblem"
146 bottom: parent.bottom
149 width: Math.min(root.itemWidth, Math.max(units.gu(2), countLabel.implicitWidth + units.gu(1)))
151 backgroundColor: UbuntuColors.orange
152 visible: root.countVisible
153 aspect: UbuntuShape.Flat
157 objectName: "countLabel"
159 anchors.centerIn: parent
160 // FIXME: verticalCenter seems to be off wee bit and QML doesn't have a centerLine
161 // property for Text: https://bugreports.qt-project.org/browse/QTBUG-40479
162 anchors.verticalCenterOffset: -units.dp(.5)
163 width: root.itemWidth - units.gu(1)
164 horizontalAlignment: Text.AlignHCenter
165 elide: Text.ElideRight
173 objectName: "progressOverlay"
177 right: iconItem.right
178 verticalCenter: parent.verticalCenter
179 leftMargin: units.gu(1.5)
180 rightMargin: units.gu(1.5)
183 visible: root.progress > -1
184 color: UbuntuColors.darkGrey
191 bottom: parent.bottom
193 width: Math.min(100, root.progress) / 100 * parent.width
200 bottom: parent.bottom
204 width: progressOverlay.width
210 objectName: "runningHighlight"
213 verticalCenter: parent.verticalCenter
215 visible: root.itemRunning
217 source: "graphics/focused_app_arrow.png"
221 objectName: "focusedHighlight"
224 verticalCenter: parent.verticalCenter
226 visible: root.itemFocused
227 source: "graphics/focused_app_arrow.png"
233 anchors.centerIn: parent
234 anchors.verticalCenterOffset: root.offset
235 width: iconItem.width
236 height: iconItem.height
237 property real itemOpacity: root.itemOpacity
238 property real brightness: Math.max(-1, root.brightness)
239 property real angle: root.angle
240 rotation: root.inverted ? 180 : 0
242 property variant source: ShaderEffectSource {
243 id: shaderEffectSource
249 // The rotation about the icon's center/z-axis for the wiggle
250 // needs to happen here too, because there's no other way to
251 // align the wiggle with the icon-folding otherwise
253 axis { x: 0; y: 0; z: 1 }
254 origin { x: iconItem.width / 2; y: iconItem.height / 2; z: 0 }
255 angle: priv.wiggleAngle
257 // Rotating 3 times at top/bottom because that increases the perspective.
258 // This is a hack, but as QML does not support real 3D coordinates
259 // getting a higher perspective can only be done by a hack. This is the most
260 // readable/understandable one I could come up with.
262 axis { x: 1; y: 0; z: 0 }
263 origin { x: iconItem.width / 2; y: angle > 0 ? 0 : iconItem.height; z: 0 }
264 angle: root.angle * 0.7
267 axis { x: 1; y: 0; z: 0 }
268 origin { x: iconItem.width / 2; y: angle > 0 ? 0 : iconItem.height; z: 0 }
269 angle: root.angle * 0.7
272 axis { x: 1; y: 0; z: 0 }
273 origin { x: iconItem.width / 2; y: angle > 0 ? 0 : iconItem.height; z: 0 }
274 angle: root.angle * 0.7
276 // Because rotating it 3 times moves it more to the front/back, i.e. it gets
277 // bigger/smaller and we need a scale to compensate that again.
279 xScale: 1 - (Math.abs(angle) / 500)
280 yScale: 1 - (Math.abs(angle) / 500)
281 origin { x: iconItem.width / 2; y: iconItem.height / 2}
285 // Using a fragment shader instead of QML's opacity and BrightnessContrast
286 // to be able to do both in one step which gives quite some better performance
288 varying highp vec2 qt_TexCoord0;
289 uniform sampler2D source;
290 uniform lowp float brightness;
291 uniform lowp float itemOpacity;
294 highp vec4 sourceColor = texture2D(source, qt_TexCoord0);
295 sourceColor.rgb = mix(sourceColor.rgb, vec3(step(0.0, brightness)), abs(brightness));
296 sourceColor *= itemOpacity;
297 gl_FragColor = sourceColor;