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/*
* Copyright 2012 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 2.0
import Lomiri.Components 1.3
import QtMultimedia 5.0
/*!
\brief A Joke Downloader Page for Examples Gallery
Connects to an online service which returns a json
from which the joke is parsed into a Label.
Demonstrates following:
- ActivityIndicator
- LomiriShape
- Label
- i18n
Uses:
- QtMultimedia / SoundEffect
- QML State
*/
MainView {
// objectName for functional testing purposes (autopilot-qt5)
objectName: "mainView"
// Note! applicationName needs to match the .desktop filename
applicationName: "jokes"
/*
This property enables the application to change orientation
when the device is rotated. The default is false.
*/
automaticOrientation: true
width: units.gu(100)
height: units.gu(75)
id: page
property string url : "http://api.icndb.com/jokes/random?limitTo=[nerdy,explicit]";
readonly property string _stateLoading : "Loading"
readonly property string _stateNormal : "Normal"
function getJoke() {
laugh.stop();
var xhr = new XMLHttpRequest();
xhr.open("GET",url,true);
xhr.onreadystatechange = function() {
if ( xhr.readyState === xhr.DONE) {
if ( xhr.status === 200) {
try {
var obj = JSON.parse(xhr.responseText);
if (obj.type === "success") {
jokeHolder.text = obj.value.joke;
page.state = page._stateNormal;
laugh.play();
}
} catch (e) {
getJoke();
}
}
}
}
xhr.send();
}
SoundEffect {
id: laugh
source: "jokes.wav"
}
LomiriShape {
color: Theme.palette.normal.base
radius: "medium"
anchors.centerIn: parent
anchors.margins: units.gu(10)
anchors.fill: parent
ActivityIndicator {
id: activityIndicator
anchors.centerIn: parent
running: true
visible: false
}
Label {
id: jokeHolder
anchors.fill: parent
text: "Tap here!"
textSize: Label.Large
color: Theme.palette.normal.baseText
textFormat: Text.RichText
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignVCenter
wrapMode: TextInput.WrapAtWordBoundaryOrAnywhere
}
}
MouseArea {
anchors.fill: parent
onClicked: {
page.state = page._stateLoading;
page.getJoke();
}
}
states: [
State {
name: page._stateNormal
PropertyChanges { target: activityIndicator; visible: false}
PropertyChanges { target: jokeHolder; visible: true}
},
State {
name: page._stateLoading
PropertyChanges { target: activityIndicator; visible: true}
PropertyChanges { target: jokeHolder; visible: false}
}
]
}
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