Starts to implement navigation history.

6 files changed, 92 insertions, 8 deletions

diff --git a/browsertab.cpp b/browsertab.cpp
index d7c974b..357454f 100644
--- a/browsertab.cpp
+++ b/browsertab.cpp
@@ -180,7 +180,6 @@ void BrowserTab::on_gemini_complete(const QByteArray &data, const QString &mime)
             auto * item = this->graphics_scene.addText("Failed to load picture!");
         }
 
-
         this->ui->graphics_browser->fitInView(graphics_scene.sceneRect(), Qt::KeepAspectRatio);
 
     }
@@ -189,6 +188,8 @@ void BrowserTab::on_gemini_complete(const QByteArray &data, const QString &mime)
         this->ui->text_browser->setText(QString("Unsupported Mime: %1").arg(mime));
     }
 
+    this->pushToHistory(this->current_location);
+
     this->successfully_loaded = true;
     this->updateUI();
 }
@@ -330,7 +331,7 @@ void BrowserTab::setErrorMessage(const QString &msg)
 
 void BrowserTab::pushToHistory(const QUrl &url)
 {
-    this->navigation_history.append(url);
+    this->history.pushUrl(url);
     this->updateUI();
 }
 
@@ -382,8 +383,8 @@ void BrowserTab::on_text_browser_highlighted(const QUrl &url)
 
 void BrowserTab::updateUI()
 {
-    // this->ui->back_button->setEnabled(this->navigation_history.size() > 0);
-    // this->ui->forward_button->setEnabled(false);
+    this->ui->back_button->setEnabled(this->history.canGoBack());
+    this->ui->forward_button->setEnabled(this->history.canGoForward());
 
     this->ui->refresh_button->setEnabled(this->successfully_loaded);
 
diff --git a/browsertab.hpp b/browsertab.hpp
index cb6c45a..d49e2fe 100644
--- a/browsertab.hpp
+++ b/browsertab.hpp
@@ -7,6 +7,7 @@
 
 #include "geminiclient.hpp"
 #include "documentoutlinemodel.hpp"
+#include "tabbrowsinghistory.hpp"
 
 namespace Ui {
 class BrowserTab;
@@ -89,12 +90,11 @@ public:
     GeminiClient gemini_client;
     int redirection_count = 0;
 
-    QVector<QUrl> navigation_history;
-
     bool successfully_loaded = false;
 
     DocumentOutlineModel outline;
     QGraphicsScene graphics_scene;
+    TabBrowsingHistory history;
 };
 
 #endif // BROWSERTAB_HPP
diff --git a/kristall.pro b/kristall.pro
index bd03af0..156c40d 100644
--- a/kristall.pro
+++ b/kristall.pro
@@ -21,14 +21,16 @@ SOURCES += \
     favouritecollection.cpp \
     geminiclient.cpp \
     main.cpp \
-    mainwindow.cpp
+    mainwindow.cpp \
+    tabbrowsinghistory.cpp
 
 HEADERS += \
     browsertab.hpp \
     documentoutlinemodel.hpp \
     favouritecollection.hpp \
     geminiclient.hpp \
-    mainwindow.hpp
+    mainwindow.hpp \
+    tabbrowsinghistory.hpp
 
 FORMS += \
     browsertab.ui \
diff --git a/mainwindow.cpp b/mainwindow.cpp
index ae29881..4936c4a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -71,11 +71,15 @@ void MainWindow::on_browser_tabs_currentChanged(int index)
         if(tab != nullptr) {
             this->ui->outline_view->setModel(&tab->outline);
             this->ui->outline_view->expandAll();
+
+            this->ui->history_view->setModel(&tab->history);
         } else {
             this->ui->outline_view->setModel(nullptr);
+            this->ui->history_view->setModel(nullptr);
         }
     } else {
         this->ui->outline_view->setModel(nullptr);
+        this->ui->history_view->setModel(nullptr);
     }
 }
 
diff --git a/tabbrowsinghistory.cpp b/tabbrowsinghistory.cpp
new file mode 100644
index 0000000..1a2d07f
--- /dev/null
+++ b/tabbrowsinghistory.cpp
@@ -0,0 +1,44 @@
+#include "tabbrowsinghistory.hpp"
+
+TabBrowsingHistory::TabBrowsingHistory()
+{
+
+}
+
+bool TabBrowsingHistory::canGoBack() const
+{
+    return this->history.size() > 0;
+}
+
+bool TabBrowsingHistory::canGoForward() const
+{
+    return false;
+}
+
+void TabBrowsingHistory::pushUrl(const QUrl &url)
+{
+    this->beginInsertRows(QModelIndex{}, this->history.length(),this->history.length() + 1);
+
+    this->history.push_back(url);
+
+    this->endInsertRows();
+}
+
+int TabBrowsingHistory::rowCount(const QModelIndex &parent) const
+{
+    return history.size();
+}
+
+bool TabBrowsingHistory::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+    return false;
+}
+
+QVariant TabBrowsingHistory::data(const QModelIndex &index, int role) const
+{
+    if(role != Qt::DisplayRole) {
+        return QVariant{};
+    }
+    return history.at(index.row()).toString();
+}
+
diff --git a/tabbrowsinghistory.hpp b/tabbrowsinghistory.hpp
new file mode 100644
index 0000000..55e8354
--- /dev/null
+++ b/tabbrowsinghistory.hpp
@@ -0,0 +1,33 @@
+#ifndef TABBROWSINGHISTORY_HPP
+#define TABBROWSINGHISTORY_HPP
+
+#include <QAbstractListModel>
+#include <QVector>
+#include <QUrl>
+
+class TabBrowsingHistory :
+        public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    TabBrowsingHistory();
+
+    bool canGoBack() const;
+
+    bool canGoForward() const;
+
+    void pushUrl(QUrl const & url);
+
+public:
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+
+private:
+    QVector<QUrl> history;
+};
+
+#endif // TABBROWSINGHISTORY_HPP