Internal web browser now has its toolbar and basic functionality back.

rssguard.pro

@@ -265,7 +265,10 @@ HEADERS += src/core/feeddownloader.h \
            src/services/tt-rss/ttrssserviceroot.h \
            src/gui/webviewer.h \
            src/gui/webbrowser.h \
-           src/network-web/webpage.h
+           src/network-web/webpage.h \
+    src/gui/locationlineedit.h \
+    src/network-web/googlesuggest.h \
+    src/gui/discoverfeedsbutton.h
 
 SOURCES += src/core/feeddownloader.cpp \
            src/core/feedsmodel.cpp \
@@ -373,7 +376,10 @@ SOURCES += src/core/feeddownloader.cpp \
            src/services/tt-rss/ttrssserviceroot.cpp \
            src/gui/webviewer.cpp \
            src/gui/webbrowser.cpp \
-           src/network-web/webpage.cpp
+           src/network-web/webpage.cpp \
+    src/gui/locationlineedit.cpp \
+    src/network-web/googlesuggest.cpp \
+    src/gui/discoverfeedsbutton.cpp
 
 FORMS += \
          src/gui/toolbareditor.ui \

src/gui/feedmessageviewer.h

@@ -47,7 +47,7 @@ class FeedMessageViewer : public TabContent {
 
     // WebBrowser getter from TabContent interface.
     inline WebBrowser *webBrowser() const {
-      return NULL;
+      return m_messagesBrowser;
     }
 
     // FeedsView getter.

src/gui/tabcontent.h

@@ -21,6 +21,8 @@
 #include <QWidget>
 
 
+class WebBrowser;
+
 // Base class for all widgets which are placed inside tabs of TabWidget
 class TabContent : public QWidget {
     Q_OBJECT
@@ -41,6 +43,10 @@ class TabContent : public QWidget {
       m_index = index;
     }
 
+    // Obtains instance contained in this TabContent or nullptr.
+    // This can be used for obtaining the menu from the instance and so on.
+    virtual WebBrowser *webBrowser() const = 0;
+
   protected:
     int m_index;
 };

src/gui/webbrowser.cpp

@@ -18,9 +18,13 @@
 #include "gui/webbrowser.h"
 
 #include "miscellaneous/application.h"
-#include "network-web/webfactory.h"
 #include "miscellaneous/databasequeries.h"
+#include "network-web/networkfactory.h"
+#include "network-web/webfactory.h"
 #include "gui/messagebox.h"
+#include "gui/webviewer.h"
+#include "gui/discoverfeedsbutton.h"
+#include "gui/locationlineedit.h"
 #include "gui/dialogs/formmain.h"
 #include "services/abstract/serviceroot.h"
 
@@ -28,15 +32,59 @@
 #include <QToolBar>
 #include <QWebEngineSettings>
 #include <QToolTip>
+#include <QWidgetAction>
 
 
 void WebBrowser::createConnections() {
-  connect(m_ui->m_webMessage, &WebViewer::messageStatusChangeRequested, this, &WebBrowser::receiveMessageStatusChangeRequest);
+  connect(m_webView, &WebViewer::messageStatusChangeRequested, this, &WebBrowser::receiveMessageStatusChangeRequest);
+
+  connect(m_txtLocation,SIGNAL(submitted(QString)), this, SLOT(loadUrl(QString)));
+  connect(m_webView, SIGNAL(urlChanged(QUrl)), this, SLOT(updateUrl(QUrl)));
+
+  // Connect this WebBrowser to global TabWidget.
+  //TabWidget *tab_widget = qApp->mainForm()->tabWidget();
+  //connect(m_webView, SIGNAL(newTabRequested()), tab_widget, SLOT(addEmptyBrowser()));
+  //connect(m_webView, SIGNAL(linkMiddleClicked(QUrl)), tab_widget, SLOT(addLinkedBrowser(QUrl)));
+
+  // Change location textbox status according to webpage status.
+  connect(m_webView, SIGNAL(loadStarted()), this, SLOT(onLoadingStarted()));
+  //connect(m_webView, SIGNAL(loadProgress(int)), this, SLOT(onLoadingProgress(int)));
+  connect(m_webView, SIGNAL(loadFinished(bool)), this, SLOT(onLoadingFinished(bool)));
+
+  // Forward title/icon changes.
+  //connect(m_webView, SIGNAL(titleChanged(QString)), this, SLOT(onTitleChanged(QString)));
+  //connect(m_webView, SIGNAL(iconChanged(QIcon)), this, SLOT(onIconChanged(QIcon)));
+}
+
+void WebBrowser::updateUrl(const QUrl &url) {
+  QString url_string = url.toString();
+
+  m_txtLocation->setText(url_string);
+  //setNavigationBarVisible(url_string != INTERNAL_URL_EMPTY && url_string != INTERNAL_URL_NEWSPAPER);
+}
+
+void WebBrowser::loadUrl(const QUrl &url) {
+  if (url.isValid()) {
+    m_webView->load(url);
+  }
 }
 
 WebBrowser::WebBrowser(QWidget *parent) : TabContent(parent),
-  m_ui(new Ui::WebBrowser) {
+  m_layout(new QVBoxLayout(this)),
-  m_ui->setupUi(this);
+  m_toolBar(new QToolBar(tr("Navigation panel"), this)),
+  m_webView(new WebViewer(this)),
+  m_txtLocation(new LocationLineEdit(this)),
+  m_btnDiscoverFeeds(new DiscoverFeedsButton(this)),
+  m_actionBack(m_webView->pageAction(QWebEnginePage::Back)),
+  m_actionForward(m_webView->pageAction(QWebEnginePage::Forward)),
+  m_actionReload(m_webView->pageAction(QWebEnginePage::Reload)),
+  m_actionStop(m_webView->pageAction(QWebEnginePage::Stop)) {
+
+  // Initialize the components and layout.
+  initializeLayout();
+
+  setTabOrder(m_txtLocation, m_toolBar);
+  setTabOrder(m_toolBar, m_webView);
 
   createConnections();
   reloadFontSettings();
@@ -44,6 +92,8 @@ WebBrowser::WebBrowser(QWidget *parent) : TabContent(parent),
 }
 
 WebBrowser::~WebBrowser() {
+  // Delete members. Do not use scoped pointers here.
+  delete m_layout;
 }
 
 void WebBrowser::reloadFontSettings() {
@@ -56,10 +106,14 @@ void WebBrowser::reloadFontSettings() {
 }
 
 void WebBrowser::clear() {
-  m_ui->m_webMessage->clear();
+  m_webView->clear();
   hide();
 }
 
+void WebBrowser::loadUrl(const QString &url) {
+  return loadUrl(QUrl::fromUserInput(url));
+}
+
 void WebBrowser::loadMessages(const QList<Message> &messages, RootItem *root) {
   if (m_messages.size() == messages.size()) {
     for (int i = 0; i < messages.size(); i++) {
@@ -78,7 +132,7 @@ void WebBrowser::loadMessages(const QList<Message> &messages, RootItem *root) {
   m_root = root;
 
   if (!m_root.isNull()) {
-    m_ui->m_webMessage->loadMessages(messages);
+    m_webView->loadMessages(messages);
     show();
   }
 }
@@ -110,6 +164,57 @@ void WebBrowser::receiveMessageStatusChangeRequest(int message_id, WebPage::Mess
   }
 }
 
+void WebBrowser::initializeLayout() {
+  m_toolBar->setFloatable(false);
+  m_toolBar->setMovable(false);
+  m_toolBar->setAllowedAreas(Qt::TopToolBarArea);
+
+  // Modify action texts.
+  m_actionBack->setText(tr("Back"));
+  m_actionBack->setToolTip(tr("Go back."));
+  m_actionForward->setText(tr("Forward"));
+  m_actionForward->setToolTip(tr("Go forward."));
+  m_actionReload->setText(tr("Reload"));
+  m_actionReload->setToolTip(tr("Reload current web page."));
+  m_actionStop->setText(tr("Stop"));
+  m_actionStop->setToolTip(tr("Stop web page loading."));
+
+  QWidgetAction *act_discover = new QWidgetAction(this);
+
+  act_discover->setDefaultWidget(m_btnDiscoverFeeds);
+
+  // Add needed actions into toolbar.
+  m_toolBar->addAction(m_actionBack);
+  m_toolBar->addAction(m_actionForward);
+  m_toolBar->addAction(m_actionReload);
+  m_toolBar->addAction(m_actionStop);
+  m_toolBar->addAction(act_discover);
+  m_toolBar->addWidget(m_txtLocation);
+
+  // Setup layout.
+  m_layout->addWidget(m_toolBar);
+  m_layout->addWidget(m_webView);
+  m_layout->setMargin(0);
+  m_layout->setSpacing(0);
+}
+
+void WebBrowser::onLoadingStarted() {
+  m_btnDiscoverFeeds->clearFeedAddresses();
+}
+
+void WebBrowser::onLoadingFinished(bool success) {
+  if (success) {
+    // Let's check if there are any feeds defined on the web and eventually
+    // display "Add feeds" button.
+    m_webView->page()->toHtml([this](const QString &result){
+      this->m_btnDiscoverFeeds->setFeedAddresses(NetworkFactory::extractFeedLinksFromHtmlPage(m_webView->url(), result));
+    });
+  }
+  else {
+    m_btnDiscoverFeeds->clearFeedAddresses();
+  }
+}
+
 void WebBrowser::markMessageAsRead(int id, bool read) {
   if (!m_root.isNull()) {
     Message *msg = findMessage(id);

src/gui/webbrowser.h

@@ -20,19 +20,30 @@
 
 #include "gui/tabcontent.h"
 
-#include "ui_webbrowser.h"
+//#include "ui_webbrowser.h"
 
 #include "core/message.h"
+#include "network-web/webpage.h"
 #include "services/abstract/rootitem.h"
 
 #include <QPointer>
+#include <QToolBar>
 
 
-namespace Ui {
+/*namespace Ui {
   class MessagePreviewer;
-}
+}*/
 
-class QToolBar;
+class QToolButton;
+class QVBoxLayout;
+class QHBoxLayout;
+class QProgressBar;
+class QMenu;
+class QLabel;
+class TabWidget;
+class WebViewer;
+class LocationLineEdit;
+class DiscoverFeedsButton;
 
 class WebBrowser : public TabContent {
     Q_OBJECT
@@ -41,14 +52,28 @@ class WebBrowser : public TabContent {
     explicit WebBrowser(QWidget *parent = 0);
     virtual ~WebBrowser();
 
+    WebBrowser *webBrowser() const {
+      return const_cast<WebBrowser*>(this);
+    }
+
     void reloadFontSettings();
 
   public slots:
     void clear();
+    void loadUrl(const QString &url);
+    void loadUrl(const QUrl &url);
     void loadMessages(const QList<Message> &messages, RootItem *root);
     void loadMessage(const Message &message, RootItem *root);
 
+    // Switches visibility of navigation bar.
+    inline void setNavigationBarVisible(bool visible) {
+      m_toolBar->setVisible(visible);
+    }
+
   private slots:
+    void updateUrl(const QUrl &url);
+    void onLoadingStarted();
+    void onLoadingFinished(bool success);
     void receiveMessageStatusChangeRequest(int message_id, WebPage::MessageStatusChange change);
 
   signals:
@@ -57,12 +82,25 @@ class WebBrowser : public TabContent {
     void requestMessageListReload(bool mark_current_as_read);
 
   private:
+    void initializeLayout();
     Message *findMessage(int id);
     void markMessageAsRead(int id, bool read);
     void switchMessageImportance(int id, bool checked);
     void createConnections();
 
-    QScopedPointer<Ui::WebBrowser> m_ui;
+    QVBoxLayout *m_layout;
+    QToolBar *m_toolBar;
+    WebViewer *m_webView;
+    LocationLineEdit *m_txtLocation;
+    DiscoverFeedsButton *m_btnDiscoverFeeds;
+
+    QAction *m_actionBack;
+    QAction *m_actionForward;
+    QAction *m_actionReload;
+    QAction *m_actionStop;
+
+    //QScopedPointer<Ui::WebBrowser> m_ui;
+
     QList<Message> m_messages;
     QPointer<RootItem> m_root;
 };

src/gui/webviewer.cpp

@@ -26,8 +26,7 @@
 WebViewer::WebViewer(QWidget *parent) : QWebEngineView(parent) {
   WebPage *page = new WebPage(this);
 
-  connect(page, &WebPage::messageStatusChangeRequested,
+  connect(page, &WebPage::messageStatusChangeRequested, this, &WebViewer::messageStatusChangeRequested);
-          this, &WebViewer::messageStatusChangeRequested);
   setPage(page);
 }
 

src/miscellaneous/application.cpp

@@ -299,4 +299,5 @@ void Application::onAboutToQuit() {
 void Application::downloadRequested(QWebEngineDownloadItem *download_item) {
   downloadManager()->download(download_item->url());
   download_item->cancel();
+  download_item->deleteLater();
 }

src/network-web/downloadmanager.h

@@ -108,6 +108,10 @@ class DownloadManager : public TabContent {
     explicit DownloadManager(QWidget *parent = 0);
     virtual ~DownloadManager();
 
+    WebBrowser *webBrowser() const {
+      return nullptr;
+    }
+
     QNetworkAccessManager *networkManager() const;
 
     int totalDownloads() const;