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137 lines
4 KiB
C++
137 lines
4 KiB
C++
/* This file is (c) 2008-2009 Konstantin Isakov <ikm@users.berlios.de>
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* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
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#ifndef __ARTICLEVIEW_HH_INCLUDED__
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#define __ARTICLEVIEW_HH_INCLUDED__
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#include <QWebView>
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#include <QUrl>
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#include <list>
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#include "article_netmgr.hh"
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#include "instances.hh"
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#include "ui_articleview.h"
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/// A widget with the web view tailored to view and handle articles -- it
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/// uses the appropriate netmgr, handles link clicks, rmb clicks etc
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class ArticleView: public QFrame
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{
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Q_OBJECT
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ArticleNetworkAccessManager & articleNetMgr;
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std::vector< sptr< Dictionary::Class > > const & allDictionaries;
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Instances::Groups const & groups;
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bool popupView;
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Config::Class const & cfg;
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Ui::ArticleView ui;
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#ifdef Q_OS_WIN32
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// Used in Windows only
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vector< char > winWavData;
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#endif
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/// Any resource we've decided to download off the dictionary gets stored here.
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/// Full vector capacity is used for search requests, where we have to make
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/// a multitude of requests.
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std::list< sptr< Dictionary::DataRequest > > resourceDownloadRequests;
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/// Url of the resourceDownloadRequests
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QUrl resourceDownloadUrl;
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/// For resources opened via desktop services
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QString desktopOpenedTempFile;
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public:
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/// The popupView flag influences contents of the context menus to be
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/// appropriate to the context of the view.
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/// The groups aren't copied -- rather than that, the reference is kept
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ArticleView( QWidget * parent,
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ArticleNetworkAccessManager &,
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std::vector< sptr< Dictionary::Class > > const & allDictionaries,
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Instances::Groups const &,
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bool popupView,
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Config::Class const & cfg );
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~ArticleView();
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/// Shows the definition of the given word with the given group
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void showDefinition( QString const & word, unsigned group );
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/// Clears the view and sets the application-global waiting cursor,
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/// which will be restored when some article loads eventually.
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void showAnticipation();
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/// Opens the given link. Supposed to be used in response to
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/// openLinkInNewTab() signal. The link scheme is therefore supposed to be
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/// one of the internal ones.
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void openLink( QUrl const & url, QUrl const & referrer );
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/// Goes back in history
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void back()
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{ ui.definition->back(); }
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/// Goes forward in history
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void forward()
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{ ui.definition->forward(); }
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/// Takes the focus to the view
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void focus()
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{ ui.definition->setFocus( Qt::ShortcutFocusReason ); }
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/// Returns true if there's an audio reference on the page, false otherwise.
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bool hasSound();
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/// Plays the first audio reference on the page, if any.
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void playSound();
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void setZoomFactor( qreal factor )
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{ ui.definition->setZoomFactor( factor ); }
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/// Returns current article's text in .html format
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QString toHtml();
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/// Returns current article's title
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QString getTitle();
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/// Prints current article
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void print( QPrinter * ) const;
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signals:
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void iconChanged( ArticleView *, QIcon const & icon );
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void titleChanged( ArticleView *, QString const & title );
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void pageLoaded();
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/// Singals that the following link was requested to be opened in new tab
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void openLinkInNewTab( QUrl const &, QUrl const & referrer );
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/// Singals that the following definition was requested to be showed in new tab
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void showDefinitionInNewTab( QString const & word, unsigned group );
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private slots:
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void loadFinished( bool ok );
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void handleTitleChanged( QString const & title );
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void handleUrlChanged( QUrl const & url );
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void linkClicked( QUrl const & );
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void contextMenuRequested( QPoint const & );
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void resourceDownloadFinished();
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private:
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/// Deduces group from the url. If there doesn't seem to be any group,
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/// returns 0.
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unsigned getGroup( QUrl const & );
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/// Attempts removing last temporary file created.
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void cleanupTemp();
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protected:
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// We need this to hide the search bar when we're showed
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void showEvent( QShowEvent * );
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};
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#endif
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