fb2view.cpp 4.4 KB

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  1. #include "fb2view.h"
  2. #include "fb2read.h"
  3. #include <QAction>
  4. #include <QtDebug>
  5. #include <QNetworkRequest>
  6. #include <QToolTip>
  7. #include <QWebElement>
  8. #include <QWebFrame>
  9. #include <QWebPage>
  10. //---------------------------------------------------------------------------
  11. // Fb2WebPage
  12. //---------------------------------------------------------------------------
  13. Fb2WebPage::Fb2WebPage(QObject *parent)
  14. : QWebPage(parent)
  15. {
  16. setContentEditable(true);
  17. QWebSettings *s = settings();
  18. s->setAttribute(QWebSettings::AutoLoadImages, true);
  19. s->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);
  20. s->setAttribute(QWebSettings::JavaEnabled, false);
  21. s->setAttribute(QWebSettings::JavascriptEnabled, true);
  22. s->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
  23. s->setAttribute(QWebSettings::PluginsEnabled, false);
  24. s->setAttribute(QWebSettings::ZoomTextOnly, true);
  25. s->setUserStyleSheetUrl(QUrl::fromLocalFile(":style.css"));
  26. }
  27. bool Fb2WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type)
  28. {
  29. Q_UNUSED(frame);
  30. if (type == NavigationTypeLinkClicked) {
  31. qCritical() << request.url().fragment();
  32. return false;
  33. // QToolTip::showText(request.url().fragment());
  34. }
  35. return QWebPage::acceptNavigationRequest(frame, request, type);
  36. }
  37. //---------------------------------------------------------------------------
  38. // Fb2WebView
  39. //---------------------------------------------------------------------------
  40. Fb2WebView::Fb2WebView(QWidget *parent)
  41. : Fb2BaseWebView(parent)
  42. , m_thread(0)
  43. {
  44. setPage(new Fb2WebPage(this));
  45. connect(page(), SIGNAL(contentsChanged()), this, SLOT(fixContents()));
  46. connect(page(), SIGNAL(linkHovered(QString,QString,QString)), this, SLOT(linkHovered(QString,QString,QString)));
  47. }
  48. Fb2WebView::~Fb2WebView()
  49. {
  50. foreach (QTemporaryFile *file, m_files) delete file;
  51. }
  52. QWebElement Fb2WebView::doc()
  53. {
  54. return page()->mainFrame()->documentElement();
  55. }
  56. QString Fb2WebView::toXml()
  57. {
  58. return doc().toOuterXml();
  59. }
  60. QString Fb2WebView::toBodyXml()
  61. {
  62. QWebElement child = doc().firstChild();
  63. while (!child.isNull()) {
  64. if (child.tagName().toLower() == "body") {
  65. return child.toOuterXml();
  66. }
  67. }
  68. return QString();
  69. }
  70. void Fb2WebView::fixContents()
  71. {
  72. foreach (QWebElement span, doc().findAll("span.apple-style-span[style]")) {
  73. span.removeAttribute("style");
  74. }
  75. }
  76. void Fb2WebView::linkHovered(const QString &link, const QString &title, const QString &textContent)
  77. {
  78. QToolTip::showText(QPoint(100, 100), link);
  79. }
  80. void Fb2WebView::load(const QString &filename)
  81. {
  82. if (m_thread) return;
  83. m_thread = new Fb2ReadThread(this, filename);
  84. m_thread->start();
  85. }
  86. QTemporaryFile * Fb2WebView::file(const QString &name)
  87. {
  88. TemporaryHash::const_iterator it = m_files.find(name);
  89. if (it == m_files.end()) {
  90. it = m_files.insert(name, new QTemporaryFile());
  91. it.value()->open();
  92. }
  93. return it.value();
  94. }
  95. QString Fb2WebView::temp(QString name)
  96. {
  97. return file(name)->fileName();
  98. }
  99. void Fb2WebView::data(QString name, QByteArray data)
  100. {
  101. QTemporaryFile * temp = file(name);
  102. temp->write(data);
  103. temp->close();
  104. temp->open();
  105. }
  106. void Fb2WebView::html(QString name, QString html)
  107. {
  108. setHtml(html, QUrl::fromLocalFile(name));
  109. if (m_thread) m_thread->deleteLater();
  110. m_thread = 0;
  111. }
  112. void Fb2WebView::zoomIn()
  113. {
  114. qreal zoom = zoomFactor();
  115. setZoomFactor(zoom * 1.1);
  116. }
  117. void Fb2WebView::zoomOut()
  118. {
  119. qreal zoom = zoomFactor();
  120. setZoomFactor(zoom * 0.9);
  121. }
  122. void Fb2WebView::zoomOrig()
  123. {
  124. setZoomFactor(1);
  125. }
  126. bool Fb2WebView::UndoEnabled()
  127. {
  128. return pageAction(QWebPage::Undo)->isEnabled();
  129. }
  130. bool Fb2WebView::RedoEnabled()
  131. {
  132. return pageAction(QWebPage::Redo)->isEnabled();
  133. }
  134. bool Fb2WebView::CutEnabled()
  135. {
  136. return pageAction(QWebPage::Cut)->isEnabled();
  137. }
  138. bool Fb2WebView::CopyEnabled()
  139. {
  140. return pageAction(QWebPage::Copy)->isEnabled();
  141. }
  142. bool Fb2WebView::BoldChecked()
  143. {
  144. return pageAction(QWebPage::ToggleBold)->isChecked();
  145. }
  146. bool Fb2WebView::ItalicChecked()
  147. {
  148. return pageAction(QWebPage::ToggleItalic)->isChecked();
  149. }
  150. bool Fb2WebView::StrikeChecked()
  151. {
  152. return pageAction(QWebPage::ToggleStrikethrough)->isChecked();
  153. }
  154. bool Fb2WebView::SubChecked()
  155. {
  156. return pageAction(QWebPage::ToggleSubscript)->isChecked();
  157. }
  158. bool Fb2WebView::SupChecked()
  159. {
  160. return pageAction(QWebPage::ToggleSuperscript)->isChecked();
  161. }