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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-** the names of its contributors may be used to endorse or promote
-** products derived from this software without specific prior written
-** permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-import QtQuick 2.0
-import "../contents"
-import "cache.js" as TwitterUserCache
-Rectangle {
- width:360
- height:600
- color:"black"
- QtObject {
- id:twitterManager
- function getById(id) {
- return TwitterUserCache.cache.getById(id);
- }
-
- function getByName(name) {
- return TwitterUserCache.cache.getByName(name);
- }
-
- function createTwitterUser(canvas) {
- return TwitterUserCache.createTwitterUser(canvas);
- }
- }
- Rectangle {
- id:inputContainer
- width:parent.width-4
- height:40
- anchors.top:parent.top
- anchors.topMargin:4
- anchors.horizontalCenter:parent.horizontalCenter
- radius:8
- border.color:"steelblue"
- Text {
- text:inputName.text == "" ? "Enter your twitter name..." : ""
- id:inputLabel
- anchors.centerIn:parent
- font.pointSize:12
- opacity:.5
- color:"steelblue"
- }
- TextInput {
- id:inputName
- anchors.centerIn:parent
- font.pointSize : 20
- opacity:1
- color:"steelblue"
- width:parent.width-6
- height:parent.height-6
- text:""
- autoScroll:true
- focus:true
- selectByMouse:true
- onAccepted : {canvas.twitterName = text; canvas.requestPaint();}
- }
- }
- Canvas {
- id:canvas
- width:parent.width
- anchors.top :inputContainer.bottom
- anchors.bottom : parent.bottom
- smooth:true
- renderTarget:Canvas.Image
- renderStrategy: Canvas.Immediate
-
- property bool layoutChanged:true
- property string twitterName:""
- property string twitterId:""
- property bool loading:false
-
- onLoadingChanged: requestPaint();
- onWidthChanged: { layoutChanged = true; requestPaint();}
- onHeightChanged: { layoutChanged = true; requestPaint();}
- onTwitterNameChanged: inputName.text = twitterName;
- onImageLoaded:requestPaint();
- onPaint: {
- var ctx = canvas.getContext('2d');
- ctx.save();
- ctx.fillStyle="black";
- ctx.fillRect(0, 0, canvas.width, canvas.height);
-
- if (canvas.twitterName != "" || canvas.twitterId != "") {
- var user = canvas.twitterId ? TwitterUserCache.getById(canvas.twitterId) : TwitterUserCache.getByName(canvas.twitterName);
- if (!user) {
- user = TwitterUserCache.createTwitterUser(canvas);
- user.hasFocus = true;
- user.manager = twitterManager;
- user.createByName(canvas.twitterName);
- canvas.loading = true;
- }
-
- if (canvas.loading) {
- ctx.font = "40px";
- ctx.fillStyle = "steelblue";
- ctx.fillText("Loading...", canvas.width/2 - 80, canvas.height/2);
- } else {
- user.show(ctx, layoutChanged);
- }
- layoutChanged = false;
- }
- ctx.restore();
- }
- }
-}