File indexing completed on 2024-04-28 05:11:01

 /*
     This file is part of Akregator.
 
     SPDX-FileCopyrightText: 2004 Teemu Rytilahti <tpr@d5k.net>
 
     SPDX-License-Identifier: GPL-2.0-or-later WITH Qt-Commercial-exception-1.0
 */
 
 #pragma once
 
 #include "akregator_export.h"
 #include "article.h"
 #include "articlematcher.h"
 
 #include <QWidget>
 
 #include <QPointer>
 
 #include <QSharedPointer>
 #include <QUrl>
 #include <vector>
 
 class KJob;
 class KActionCollection;
 
 namespace Akregator
 {
 
 class ArticleFormatter;
 class ArticleListJob;
 class OpenUrlRequest;
 class TreeNode;
 class ArticleHtmlWebEngineWriter;
 class ArticleViewerWebEngineWidgetNg;
 
 class AKREGATOR_EXPORT ArticleViewerWidget : public QWidget
 {
     Q_OBJECT
 public:
     explicit ArticleViewerWidget(const QString &grantleeDirectory, KActionCollection *ac, QWidget *parent);
     ~ArticleViewerWidget() override;
 
     /** Repaints the view. */
     void reload();
 
     void displayAboutPage();
 
     void showArticle(const Article &article);
 
     /** Shows the articles of the tree node @c node (combined view).
      * Changes in the node will update the view automatically.
      *
      *  @param node The node to observe */
     void showNode(Akregator::TreeNode *node);
 
     [[nodiscard]] QSize sizeHint() const override;
 
     [[nodiscard]] qreal zoomFactor() const;
 
     Akregator::ArticleViewerWebEngineWidgetNg *articleViewerWidgetNg() const;
 
     void updateAfterConfigChanged();
 
 public Q_SLOTS:
     void slotPrint();
 
     /** Set filters which will be used if the viewer is in combined view mode
      */
     void setFilters(const std::vector<QSharedPointer<const Akregator::Filters::AbstractMatcher>> &filters);
 
     /** Update view if combined view mode is set. Has to be called when
      * the displayed node gets modified.
      */
     void slotUpdateCombinedView();
 
     /**
      * Clears the canvas and disconnects from the currently observed node
      * (if in combined view mode).
      */
     void slotClear();
 
     void slotShowSummary(Akregator::TreeNode *node);
 
     void slotPrintPreview();
     void slotCopy();
 
     void slotZoomChangeInFrame(qreal value);
 Q_SIGNALS:
 
     /** This gets emitted when url gets clicked */
     void signalOpenUrlRequest(Akregator::OpenUrlRequest &);
     void showStatusBarMessage(const QString &msg);
 
     void selectionChanged();
 
 protected: // methods
     bool openUrl(const QUrl &url);
 
 protected Q_SLOTS:
     void slotSelectionChanged();
 
     void slotArticlesListed(KJob *job);
 
     void slotArticlesUpdated(Akregator::TreeNode *node, const QList<Akregator::Article> &list);
     void slotArticlesAdded(Akregator::TreeNode *node, const QList<Akregator::Article> &list);
     void slotArticlesRemoved(Akregator::TreeNode *node, const QList<Akregator::Article> &list);
 
     // from ArticleViewer
 private:
     QSharedPointer<ArticleFormatter> combinedViewFormatter();
     QSharedPointer<ArticleFormatter> normalViewFormatter();
     void keyPressEvent(QKeyEvent *e) override;
 
     /** renders @c body. Use this method wherever possible.
      *  @param body html to render, without header and footer */
     void renderContent(const QString &body);
 
     /** Resets the canvas and adds writes the HTML header to it.
      */
     void beginWriting();
 
     /** Finishes writing to the canvas and completes the HTML (by adding closing tags) */
     void endWriting();
 
     void connectToNode(TreeNode *node);
     void disconnectFromNode(TreeNode *node);
 
     void setArticleActionsEnabled(bool enabled);
 
 private:
     QString m_currentText;
     QPointer<TreeNode> m_node;
     QPointer<ArticleListJob> m_listJob;
     Article m_article;
     QList<Article> m_articles;
     QUrl m_link;
     std::vector<QSharedPointer<const Filters::AbstractMatcher>> m_filters;
     enum ViewMode { NormalView, CombinedView, SummaryView };
     ViewMode m_viewMode = NormalView;
     Akregator::ArticleHtmlWebEngineWriter *m_articleHtmlWriter = nullptr;
     Akregator::ArticleViewerWebEngineWidgetNg *const m_articleViewerWidgetNg;
     QSharedPointer<ArticleFormatter> m_normalViewFormatter;
     QSharedPointer<ArticleFormatter> m_combinedViewFormatter;
     const QString m_grantleeDirectory;
 };
 } // namespace Akregator