huge work on gmail previewer, some refactoring, some fixes

resources/desktop/com.github.rssguard.appdata.xml

@@ -26,7 +26,7 @@
   <url type="donation">https://github.com/sponsors/martinrotter</url>
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="4.2.1" date="2022-03-30"/>
+    <release version="4.2.1" date="2022-03-31"/>
   </releases>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>

resources/icons.qrc

@@ -50,6 +50,7 @@
     <file>./graphics/Breeze/actions/22/list-add.svg</file>
     <file>./graphics/Breeze/actions/22/list-remove.svg</file>
     <file>./graphics/Breeze/actions/32/mail-attachment.svg</file>
+    <file>./graphics/Breeze/actions/32/mail-forward.svg</file>
     <file>./graphics/Breeze/actions/symbolic/mail-inbox-symbolic.svg</file>
     <file>./graphics/Breeze/actions/32/mail-mark-important.svg</file>
     <file>./graphics/Breeze/actions/32/mail-mark-junk.svg</file>
@@ -125,6 +126,7 @@
     <file>./graphics/Breeze Dark/actions/22/list-add.svg</file>
     <file>./graphics/Breeze Dark/actions/22/list-remove.svg</file>
     <file>./graphics/Breeze Dark/actions/32/mail-attachment.svg</file>
+    <file>./graphics/Breeze Dark/actions/32/mail-forward.svg</file>
     <file>./graphics/Breeze Dark/actions/symbolic/mail-inbox-symbolic.svg</file>
     <file>./graphics/Breeze Dark/actions/32/mail-mark-important.svg</file>
     <file>./graphics/Breeze Dark/actions/32/mail-mark-junk.svg</file>
@@ -198,6 +200,7 @@
     <file>./graphics/Faenza/actions/64/list-add.png</file>
     <file>./graphics/Faenza/actions/64/list-remove.png</file>
     <file>./graphics/Faenza/actions/64/mail-attachment.png</file>
+    <file>./graphics/Faenza/actions/64/mail-forward.png</file>
     <file>./graphics/Faenza/actions/64/mail-inbox.png</file>
     <file>./graphics/Faenza/actions/64/mail-mark-important.png</file>
     <file>./graphics/Faenza/actions/64/mail-mark-junk.png</file>
@@ -277,6 +280,7 @@
     <file>./graphics/Numix/22/actions/list-add.svg</file>
     <file>./graphics/Numix/22/actions/list-remove.svg</file>
     <file>./graphics/Numix/22/actions/mail-attachment.svg</file>
+    <file>./graphics/Numix/22/actions/mail-forward.svg</file>
     <file>./graphics/Numix/22/places/mail-inbox.svg</file>
     <file>./graphics/Numix/22/actions/mail-mark-important.svg</file>
     <file>./graphics/Numix/22/actions/mail-mark-junk.svg</file>

src/librssguard/core/feeddownloader.cpp

@@ -17,10 +17,8 @@
 #include <QDebug>
 #include <QJSEngine>
 #include <QMutexLocker>
-#include <QRegularExpression>
 #include <QString>
 #include <QThread>
-#include <QUrl>
 
 FeedDownloader::FeedDownloader()
   : QObject(), m_isCacheSynchronizationRunning(false), m_stopCacheSynchronization(false), m_mutex(new QMutex()), m_feedsUpdated(0), m_feedsOriginalCount(0) {

src/librssguard/core/feedsmodel.cpp

@@ -10,30 +10,26 @@
 #include "miscellaneous/feedreader.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/textfactory.h"
-#include "services/abstract/category.h"
 #include "services/abstract/feed.h"
 #include "services/abstract/recyclebin.h"
 #include "services/abstract/serviceentrypoint.h"
 #include "services/abstract/serviceroot.h"
-#include "services/standard/standardserviceentrypoint.h"
 #include "services/standard/standardserviceroot.h"
 
 #include <QMimeData>
 #include <QPair>
 #include <QSqlError>
-#include <QSqlRecord>
 #include <QStack>
 #include <QTimer>
 
-#include <algorithm>
-
 using RootItemPtr = RootItem*;
 
-FeedsModel::FeedsModel(QObject* parent) : QAbstractItemModel(parent) {
+FeedsModel::FeedsModel(QObject* parent) : QAbstractItemModel(parent), m_rootItem(new RootItem())
+{
   setObjectName(QSL("FeedsModel"));
 
   // Create root item.
-  m_rootItem = new RootItem();
+
 
   // : Name of root item of feed list which can be seen in feed add/edit dialog.
   m_rootItem->setTitle(tr("Root"));

src/librssguard/core/filterutils.cpp

@@ -11,7 +11,6 @@
 #include <QHostInfo>
 #include <QJsonArray>
 #include <QJsonDocument>
-#include <QProcess>
 
 FilterUtils::FilterUtils(QObject* parent) : QObject(parent) {}
 

src/librssguard/core/message.cpp

@@ -10,9 +10,6 @@
 #include <QDebug>
 #include <QFlags>
 #include <QRegularExpression>
-#include <QSqlDatabase>
-#include <QSqlError>
-#include <QSqlQuery>
 #include <QUrl>
 #include <QVariant>
 #include <QVector>

src/librssguard/core/messagefilter.cpp

@@ -3,7 +3,6 @@
 #include "core/messagefilter.h"
 
 #include "core/filterutils.h"
-#include "core/message.h"
 #include "exceptions/filteringexception.h"
 #include "miscellaneous/application.h"
 

src/librssguard/core/messagesmodelcache.cpp

@@ -2,8 +2,6 @@
 
 #include "core/messagesmodelcache.h"
 
-#include "miscellaneous/textfactory.h"
-
 MessagesModelCache::MessagesModelCache(QObject* parent) : QObject(parent) {}
 
 void MessagesModelCache::setData(const QModelIndex& index, const QVariant& value, const QSqlRecord& record) {

src/librssguard/database/databasedriver.cpp

@@ -11,8 +11,7 @@
 #include <QSqlError>
 #include <QSqlQuery>
 
-DatabaseDriver::DatabaseDriver(QObject* parent) : QObject(parent)
-{}
+DatabaseDriver::DatabaseDriver(QObject* parent) : QObject(parent) {}
 
 void DatabaseDriver::updateDatabaseSchema(QSqlQuery& query,
                                           int source_db_schema_version,

src/librssguard/database/databasefactory.cpp

@@ -13,8 +13,6 @@
 
 #include <QDir>
 #include <QSqlDriver>
-#include <QSqlError>
-#include <QSqlField>
 #include <QSqlQuery>
 #include <QSqlResult>
 #include <QVariant>

src/librssguard/database/sqlitedriver.cpp

@@ -3,7 +3,6 @@
 #include "database/sqlitedriver.h"
 
 #include "exceptions/applicationexception.h"
-#include "exceptions/ioexception.h"
 #include "miscellaneous/application.h"
 
 #include <QDir>

src/librssguard/dynamic-shortcuts/dynamicshortcutswidget.cpp

@@ -4,7 +4,6 @@
 
 #include "definitions/definitions.h"
 #include "dynamic-shortcuts/shortcutcatcher.h"
-#include "gui/reusable/squeezelabel.h"
 
 #include <QAction>
 #include <QGridLayout>

src/librssguard/gui/messagepreviewer.cpp

@@ -14,6 +14,7 @@
 #include "services/abstract/label.h"
 #include "services/abstract/labelsnode.h"
 #include "services/abstract/serviceroot.h"
+#include "services/gmail/gui/emailpreviewer.h"
 
 #include <QCheckBox>
 #include <QGridLayout>
@@ -141,7 +142,7 @@ void MessagePreviewer::loadMessage(const Message& message, RootItem* root) {
           }
 
           m_viewerLayout->setCurrentIndex(1);
-          custom_previewer->loadMessage(message, m_root);
+          custom_previewer->loadMessage(message, root);
         }
         else {
           ensureDefaultBrowserVisible();

src/librssguard/gui/webbrowser.cpp

@@ -9,7 +9,6 @@
 #include "gui/reusable/locationlineedit.h"
 #include "gui/reusable/searchtextwidget.h"
 #include "gui/tabwidget.h"
-#include "gui/webviewers/litehtml/litehtmlviewer.h" // QLiteHtml-based web browsing.
 #include "gui/webviewers/webviewer.h"
 #include "miscellaneous/application.h"
 #include "miscellaneous/iconfactory.h"
@@ -18,10 +17,6 @@
 #include "network-web/webfactory.h"
 #include "services/abstract/serviceroot.h"
 
-#if defined(USE_WEBENGINE)
-#include "gui/webviewers/webengine/webengineviewer.h" // WebEngine-based web browsing.
-#endif
-
 #include <QKeyEvent>
 #include <QScrollBar>
 #include <QTimer>
@@ -43,16 +38,8 @@ WebBrowser::WebBrowser(WebViewer* viewer, QWidget* parent) : TabContent(parent),
                                     tr("View website in reader mode"),
                                     this)) {
   if (m_webView == nullptr) {
-#if !defined(USE_WEBENGINE)
-    m_webView = new LiteHtmlViewer(this);
-#else
-    if (qApp->forcedNoWebEngine()) {
-      m_webView = new LiteHtmlViewer(this);
-    }
-    else {
-      m_webView = new WebEngineViewer(this);
-    }
-#endif
+    m_webView = qApp->createWebView();
+    dynamic_cast<QWidget*>(m_webView)->setParent(this);
   }
 
   // Initialize the components and layout.
@@ -100,6 +87,10 @@ void WebBrowser::loadUrl(const QUrl& url) {
   }
 }
 
+void WebBrowser::setHtml(const QString& html, const QUrl& base_url) {
+  m_webView->setHtml(html, base_url);
+}
+
 WebBrowser::~WebBrowser() {
   // Delete members. Do not use scoped pointers here.
   delete m_layout;

src/librssguard/gui/webbrowser.h

@@ -10,6 +10,7 @@
 
 #include <QPointer>
 #include <QToolBar>
+#include <QUrl>
 
 class QToolButton;
 class QVBoxLayout;
@@ -46,6 +47,7 @@ class WebBrowser : public TabContent {
     void clear(bool also_hide);
     void loadUrl(const QString& url);
     void loadUrl(const QUrl& url);
+    void setHtml(const QString& html, const QUrl& base_url = {});
     void loadMessages(const QList<Message>& messages, RootItem* root);
     void setNavigationBarVisible(bool visible);
 

src/librssguard/gui/webviewers/webviewer.h

@@ -3,12 +3,15 @@
 
 #include "core/message.h"
 
+#include <QUrl>
+
 class WebBrowser;
 class RootItem;
 
 // Interface for web/article viewers.
 class WebViewer {
   public:
+    virtual ~WebViewer();
 
     // Performs necessary steps to make viewer work with browser.
     // NOTE: Each implementor must do this in this method:
@@ -56,4 +59,6 @@ class WebViewer {
     virtual void setZoomFactor(qreal zoom_factor) = 0;
 };
 
+inline WebViewer::~WebViewer() {}
+
 #endif // WEBVIEWER_H

src/librssguard/miscellaneous/application.cpp

@@ -11,11 +11,14 @@
 #include "gui/feedsview.h"
 #include "gui/messagebox.h"
 #include "gui/toolbars/statusbar.h"
+#include "gui/webviewers/litehtml/litehtmlviewer.h" // QLiteHtml-based web browsing.
 #include "miscellaneous/feedreader.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/iofactory.h"
 #include "miscellaneous/mutex.h"
 #include "miscellaneous/notificationfactory.h"
+#include "network-web/adblock/adblockicon.h"
+#include "network-web/adblock/adblockmanager.h"
 #include "network-web/webfactory.h"
 #include "services/abstract/serviceroot.h"
 #include "services/owncloud/owncloudserviceentrypoint.h"
@@ -38,10 +41,8 @@
 #include <QDBusMessage>
 #endif
 
-#include "network-web/adblock/adblockicon.h"
-#include "network-web/adblock/adblockmanager.h"
-
 #if defined(USE_WEBENGINE)
+#include "gui/webviewers/webengine/webengineviewer.h" // WebEngine-based web browsing.
 #include "network-web/webengine/networkurlinterceptor.h"
 
 #if QT_VERSION_MAJOR == 6
@@ -612,6 +613,19 @@ void Application::showGuiMessage(Notification::Event event,
   }
 }
 
+WebViewer* Application::createWebView() {
+#if !defined(USE_WEBENGINE)
+  return new LiteHtmlViewer();
+#else
+  if (forcedNoWebEngine()) {
+    return new LiteHtmlViewer();
+  }
+  else {
+    return new WebEngineViewer();
+  }
+#endif
+}
+
 void Application::onCommitData(QSessionManager& manager) {
   qDebugNN << LOGSEC_CORE << "OS asked application to commit its data.";
 

src/librssguard/miscellaneous/application.h

@@ -43,6 +43,7 @@ class QWebEngineDownloadItem;
 
 class WebFactory;
 class NotificationFactory;
+class WebViewer;
 
 #if defined(Q_OS_WIN)
 struct ITaskbarList4;
@@ -160,6 +161,8 @@ class RSSGUARD_DLLSPEC Application : public SingleApplication {
                         const GuiAction& action = {},
                         QWidget* parent = nullptr);
 
+    WebViewer* createWebView();
+
 #if defined(USE_WEBENGINE)
     bool forcedNoWebEngine() const;
 #endif

src/librssguard/services/abstract/gui/custommessagepreviewer.cpp

@@ -3,3 +3,5 @@
 #include "services/abstract/gui/custommessagepreviewer.h"
 
 CustomMessagePreviewer::CustomMessagePreviewer(QWidget* parent) : QWidget{parent} {}
+
+CustomMessagePreviewer::~CustomMessagePreviewer() {}

src/librssguard/services/abstract/gui/custommessagepreviewer.h

@@ -14,6 +14,7 @@ class CustomMessagePreviewer : public QWidget {
 
   public:
     explicit CustomMessagePreviewer(QWidget* parent = nullptr);
+    virtual ~CustomMessagePreviewer();
 
   public:
 

src/librssguard/services/gmail/gui/emailpreviewer.cpp

@@ -1,13 +1,34 @@
+// For license of this file, see <project-root-folder>/LICENSE.md.
+
 #include "services/gmail/gui/emailpreviewer.h"
 
-EmailPreviewer::EmailPreviewer(QWidget* parent) : CustomMessagePreviewer(parent) {
+#include "miscellaneous/application.h"
+#include "miscellaneous/iconfactory.h"
+
+EmailPreviewer::EmailPreviewer(QWidget* parent) : CustomMessagePreviewer(parent), m_webView(new WebBrowser(nullptr, this)) {
   m_ui.setupUi(this);
+
+  m_ui.m_mainLayout->addWidget(dynamic_cast<QWidget*>(m_webView.data()), 3, 0, 1, -1);
+  m_ui.m_btnAttachments->setIcon(qApp->icons()->fromTheme(QSL("mail-attachment")));
+  m_ui.m_btnForward->setIcon(qApp->icons()->fromTheme(QSL("mail-forward")));
+  m_ui.m_btnReply->setIcon(qApp->icons()->fromTheme(QSL("mail-reply-sender")));
+
+  m_webView->setNavigationBarVisible(false);
 }
 
 EmailPreviewer::~EmailPreviewer() {
   qDebugNN << LOGSEC_GMAIL << "Email previewer destroyed.";
 }
 
-void EmailPreviewer::clear() {}
+void EmailPreviewer::clear() {
+  m_webView->clear(false);
+}
 
-void EmailPreviewer::loadMessage(const Message& msg, RootItem* selected_item) {}
+void EmailPreviewer::loadMessage(const Message& msg, RootItem* selected_item) {
+  m_webView->setHtml(msg.m_contents);
+  m_ui.m_tbFrom->setText(msg.m_author);
+  m_ui.m_tbSubject->setText(msg.m_title);
+
+  // TODO: todo
+  m_ui.m_tbTo->setText(QSL("-"));
+}

src/librssguard/services/gmail/gui/emailpreviewer.h

@@ -1,8 +1,12 @@
+// For license of this file, see <project-root-folder>/LICENSE.md.
+
 #ifndef EMAILPREVIEWER_H
 #define EMAILPREVIEWER_H
 
 #include "services/abstract/gui/custommessagepreviewer.h"
 
+#include "gui/webbrowser.h"
+
 #include "ui_emailpreviewer.h"
 
 class EmailPreviewer : public CustomMessagePreviewer {
@@ -17,6 +21,7 @@ class EmailPreviewer : public CustomMessagePreviewer {
 
   private:
     Ui::EmailPreviewer m_ui;
+    QScopedPointer<WebBrowser> m_webView;
 };
 
 #endif // EMAILPREVIEWER_H

src/librssguard/services/gmail/gui/emailpreviewer.ui

@@ -6,27 +6,127 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>400</width>
-    <height>300</height>
+    <width>518</width>
+    <height>378</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
+  <layout class="QGridLayout" name="m_mainLayout">
+   <item row="2" column="1">
+    <widget class="QLineEdit" name="m_tbSubject">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="0">
     <widget class="QLabel" name="label">
-   <property name="geometry">
-    <rect>
-     <x>80</x>
-     <y>90</y>
-     <width>49</width>
-     <height>16</height>
-    </rect>
-   </property>
      <property name="text">
-    <string>test</string>
+      <string>From</string>
+     </property>
+     <property name="buddy">
+      <cstring>m_tbFrom</cstring>
      </property>
     </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLineEdit" name="m_tbFrom">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
     </widget>
+   </item>
+   <item row="0" column="2">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="m_btnAttachments">
+       <property name="text">
+        <string>&amp;Attachments</string>
+       </property>
+       <property name="popupMode">
+        <enum>QToolButton::InstantPopup</enum>
+       </property>
+       <property name="toolButtonStyle">
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
+       </property>
+       <property name="arrowType">
+        <enum>Qt::DownArrow</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="m_btnReply">
+       <property name="text">
+        <string>&amp;Reply</string>
+       </property>
+       <property name="toolButtonStyle">
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="m_btnForward">
+       <property name="text">
+        <string>&amp;Forward</string>
+       </property>
+       <property name="toolButtonStyle">
+        <enum>Qt::ToolButtonTextBesideIcon</enum>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Subject</string>
+     </property>
+     <property name="buddy">
+      <cstring>m_tbSubject</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QLineEdit" name="m_tbTo">
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>To</string>
+     </property>
+     <property name="buddy">
+      <cstring>m_tbTo</cstring>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>m_tbFrom</tabstop>
+  <tabstop>m_tbTo</tabstop>
+  <tabstop>m_tbSubject</tabstop>
+  <tabstop>m_btnReply</tabstop>
+  <tabstop>m_btnForward</tabstop>
+ </tabstops>
  <resources/>
  <connections/>
 </ui>