1 /*
2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
3 * Copyright (C) 2009 University of Szeged
4 *
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "UrlLoader.h"
30
31 #include <QDebug>
32 #include <QFile>
33
UrlLoader(BrowserWindow * browserWindow,const QString & inputFileName,int timeoutSeconds,int extraTimeSeconds)34 UrlLoader::UrlLoader(BrowserWindow* browserWindow, const QString& inputFileName, int timeoutSeconds, int extraTimeSeconds)
35 : m_browserWindow(browserWindow)
36 , m_stdOut(stdout)
37 , m_loaded(0)
38 , m_numFramesLoading(0)
39 {
40 m_checkIfFinishedTimer.setInterval(200);
41 m_checkIfFinishedTimer.setSingleShot(true);
42 connect(&m_checkIfFinishedTimer, SIGNAL(timeout()), this, SLOT(checkIfFinished()));
43 // loadStarted and loadFinished on QWebPage is emitted for each frame/sub-frame
44 connect(m_browserWindow->page(), SIGNAL(loadStarted()), this, SLOT(frameLoadStarted()));
45 connect(m_browserWindow->page(), SIGNAL(loadFinished(bool)), this, SLOT(frameLoadFinished()));
46
47 if (timeoutSeconds) {
48 m_timeoutTimer.setInterval(timeoutSeconds * 1000);
49 m_timeoutTimer.setSingleShot(true);
50 connect(m_browserWindow->page(), SIGNAL(loadStarted()), &m_timeoutTimer, SLOT(start()));
51 connect(&m_timeoutTimer, SIGNAL(timeout()), this, SLOT(loadNext()));
52 }
53 if (extraTimeSeconds) {
54 m_extraTimeTimer.setInterval(extraTimeSeconds * 1000);
55 m_extraTimeTimer.setSingleShot(true);
56 connect(this, SIGNAL(pageLoadFinished()), &m_extraTimeTimer, SLOT(start()));
57 connect(&m_extraTimeTimer, SIGNAL(timeout()), this, SLOT(loadNext()));
58 } else
59 connect(this, SIGNAL(pageLoadFinished()), this, SLOT(loadNext()));
60 loadUrlList(inputFileName);
61 }
62
loadNext()63 void UrlLoader::loadNext()
64 {
65 m_timeoutTimer.stop();
66 m_extraTimeTimer.stop();
67 m_checkIfFinishedTimer.stop();
68 m_numFramesLoading = 0;
69 QString qstr;
70 if (getUrl(qstr)) {
71 QUrl url(qstr, QUrl::StrictMode);
72 if (url.isValid()) {
73 m_stdOut << "Loading " << qstr << " ......" << ++m_loaded << endl;
74 m_browserWindow->load(url.toString());
75 } else
76 loadNext();
77 } else
78 disconnect(m_browserWindow, 0, this, 0);
79 }
80
checkIfFinished()81 void UrlLoader::checkIfFinished()
82 {
83 if (!m_numFramesLoading)
84 emit pageLoadFinished();
85 }
86
frameLoadStarted()87 void UrlLoader::frameLoadStarted()
88 {
89 ++m_numFramesLoading;
90 m_checkIfFinishedTimer.stop();
91 }
92
frameLoadFinished()93 void UrlLoader::frameLoadFinished()
94 {
95 Q_ASSERT(m_numFramesLoading > 0);
96 --m_numFramesLoading;
97 // Once our frame has finished loading, wait a moment to call loadNext for cases
98 // where a sub-frame starts loading or another frame is loaded through JavaScript.
99 m_checkIfFinishedTimer.start();
100 }
101
loadUrlList(const QString & inputFileName)102 void UrlLoader::loadUrlList(const QString& inputFileName)
103 {
104 QFile inputFile(inputFileName);
105 if (inputFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
106 QTextStream stream(&inputFile);
107 QString line;
108 while (true) {
109 line = stream.readLine();
110 if (line.isNull())
111 break;
112 m_urls.append(line);
113 }
114 } else {
115 qDebug() << "Can't open list file";
116 exit(0);
117 }
118 m_index = 0;
119 inputFile.close();
120 }
121
getUrl(QString & qstr)122 bool UrlLoader::getUrl(QString& qstr)
123 {
124 if (m_index == m_urls.size())
125 return false;
126
127 qstr = m_urls[m_index++];
128 return true;
129 }
130