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/*
* Copyright 2013-2014 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import QtQuick 2.4
import Ubuntu.Components 1.2
Item {
id: bubbleShape
/*!
Do not use an UbuntuShape but a Rectangle as the background of the BubbleShape.
*/
property bool square: false
/*!
The background color of the bubble.
*/
property color color: square ? Theme.palette.normal.background : Theme.palette.normal.overlay
property point target
property string direction: "down"
property bool clipContent: false
default property alias children: content.children
// FIXME: This should not be necessary. See
// https://bugs.launchpad.net/ubuntu-ui-toolkit/+bug/1214978
property alias arrowSource: arrow.source
implicitWidth: units.gu(10)
implicitHeight: units.gu(8)
signal showCompleted()
signal hideCompleted()
opacity: 0.0
function show() {
hideAnimation.stop();
showAnimation.start();
}
function hide() {
showAnimation.stop();
hideAnimation.start();
}
ParallelAnimation {
id: showAnimation
NumberAnimation {
target: bubbleShape
property: "opacity"
from: 0.0
to: 1.0
duration: UbuntuAnimation.FastDuration
easing: UbuntuAnimation.StandardEasing
}
NumberAnimation {
target: scaleTransform
property: (direction === "up" || direction === "down") ? "yScale" : "xScale"
from: 0.91
to: 1.0
duration: UbuntuAnimation.FastDuration
easing: UbuntuAnimation.StandardEasing
}
onStopped: showCompleted()
}
NumberAnimation {
id: hideAnimation
target: bubbleShape
property: "opacity"
from: 1.0
to: 0.0
duration: UbuntuAnimation.FastDuration
easing: UbuntuAnimation.StandardEasing
onStopped: hideCompleted()
}
transform: Scale {
id: scaleTransform
origin.x: direction === "right" ? bubbleShape.width :
direction === "left" ? 0 :
bubbleShape.width/2.0
origin.y: direction === "up" ? 0 :
direction === "down" ? bubbleShape.height :
bubbleShape.height/2.0
}
BorderImage {
id: shadow
anchors.fill: parent
anchors.margins: square ? -units.gu(1) : -units.dp(2)
anchors.topMargin: square ? 0 : anchors.margins
source: !square ? "artwork/bubble_shadow.sci" : "artwork/header_overflow_dropshadow.sci"
opacity: 0.8
}
UbuntuShape {
anchors.fill: parent
borderSource: "none"
color: Theme.palette.normal.overlay
image: bubbleShape.clipContent ? shapeSource : null
visible: !square
}
ShaderEffectSource {
id: shapeSource
visible: bubbleShape.clipContent
sourceItem: bubbleShape.clipContent ? content : null
hideSource: !square
// FIXME: visible: false prevents rendering so make it a nearly
// transparent 1x1 pixel instead
opacity: 0.01
width: 1
height: 1
}
Item {
id: content
anchors.fill: parent
Rectangle {
id: colorRect
anchors.fill: parent
color: bubbleShape.color
visible: bubbleShape.clipContent
}
}
Item {
x: target.x
y: target.y
Image {
id: arrow
visible: !square && bubbleShape.direction != "none"
function directionToRotation(direction) {
switch (direction) {
case "up":
return 180;
case "left":
return 90;
case "right":
return -90;
default: // "down" or "none"
return 0;
}
}
x: -width / 2.0
y: -height
transformOrigin: Item.Bottom
rotation: directionToRotation(bubbleShape.direction)
source: "artwork/bubble_arrow.png"
}
}
}
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