1 /* |
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2 * Copyright (C) 2009 Holger Hans Peter Freyther |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Library General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Library General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Library General Public License |
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15 * along with this library; see the file COPYING.LIB. If not, write to |
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16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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17 * Boston, MA 02110-1301, USA. |
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18 */ |
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19 |
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20 #include <QtTest/QtTest> |
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21 |
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22 #include <qwebelement.h> |
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23 #include <qwebframe.h> |
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24 #include <qwebview.h> |
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25 #include <qpainter.h> |
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26 |
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27 /** |
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28 * Starts an event loop that runs until the given signal is received. |
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29 Optionally the event loop |
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30 * can return earlier on a timeout. |
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31 * |
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32 * \return \p true if the requested signal was received |
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33 * \p false on timeout |
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34 */ |
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35 static bool waitForSignal(QObject* obj, const char* signal, int timeout = 0) |
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36 { |
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37 QEventLoop loop; |
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38 QObject::connect(obj, signal, &loop, SLOT(quit())); |
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39 QTimer timer; |
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40 QSignalSpy timeoutSpy(&timer, SIGNAL(timeout())); |
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41 if (timeout > 0) { |
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42 QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit())); |
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43 timer.setSingleShot(true); |
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44 timer.start(timeout); |
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45 } |
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46 loop.exec(); |
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47 return timeoutSpy.isEmpty(); |
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48 } |
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49 |
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50 class tst_Painting : public QObject |
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51 { |
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52 Q_OBJECT |
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53 |
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54 public: |
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55 |
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56 public Q_SLOTS: |
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57 void init(); |
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58 void cleanup(); |
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59 |
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60 private Q_SLOTS: |
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61 void paint_data(); |
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62 void paint(); |
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63 void textAreas(); |
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64 |
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65 private: |
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66 QWebView* m_view; |
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67 QWebPage* m_page; |
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68 }; |
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69 |
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70 void tst_Painting::init() |
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71 { |
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72 m_view = new QWebView; |
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73 m_page = m_view->page(); |
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74 |
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75 QSize viewportSize(1024, 768); |
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76 m_view->setFixedSize(viewportSize); |
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77 m_page->setViewportSize(viewportSize); |
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78 } |
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79 |
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80 void tst_Painting::cleanup() |
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81 { |
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82 delete m_view; |
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83 } |
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84 |
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85 void tst_Painting::paint_data() |
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86 { |
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87 QTest::addColumn<QUrl>("url"); |
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88 QTest::newRow("amazon") << QUrl("http://www.amazon.com"); |
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89 } |
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90 |
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91 void tst_Painting::paint() |
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92 { |
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93 QFETCH(QUrl, url); |
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94 |
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95 m_view->load(url); |
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96 ::waitForSignal(m_view, SIGNAL(loadFinished(bool))); |
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97 |
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98 /* force a layout */ |
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99 QWebFrame* mainFrame = m_page->mainFrame(); |
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100 mainFrame->toPlainText(); |
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101 |
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102 QPixmap pixmap(m_page->viewportSize()); |
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103 QBENCHMARK { |
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104 QPainter painter(&pixmap); |
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105 mainFrame->render(&painter, QRect(QPoint(0, 0), m_page->viewportSize())); |
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106 painter.end(); |
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107 } |
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108 } |
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109 |
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110 void tst_Painting::textAreas() |
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111 { |
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112 m_view->load(QUrl("data:text/html;<html><body></body></html>")); |
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113 ::waitForSignal(m_view, SIGNAL(loadFinished(bool))); |
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114 |
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115 QWebElement bodyElement = m_page->mainFrame()->findFirstElement("body"); |
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116 |
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117 int count = 100; |
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118 while (count--) { |
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119 QString markup("<textarea cols='1' rows='1'></textarea>"); |
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120 bodyElement.appendInside(markup); |
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121 } |
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122 |
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123 /* force a layout */ |
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124 QWebFrame* mainFrame = m_page->mainFrame(); |
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125 mainFrame->toPlainText(); |
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126 |
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127 QPixmap pixmap(mainFrame->contentsSize()); |
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128 QBENCHMARK { |
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129 QPainter painter(&pixmap); |
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130 mainFrame->render(&painter, QRect(QPoint(0, 0), mainFrame->contentsSize())); |
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131 painter.end(); |
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132 } |
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133 } |
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134 |
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135 QTEST_MAIN(tst_Painting) |
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136 #include "tst_painting.moc" |
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