From f3c6510b8306d68ec88663c343e96bd46e37d227 Mon Sep 17 00:00:00 2001
From: Karol Kosek <krkk@serenityos.org>
Date: Sat, 7 Jan 2023 17:40:04 +0100
Subject: [PATCH] Ladybird: Accept file drops

---
 Ladybird/BrowserWindow.cpp  |  8 ++++++++
 Ladybird/WebContentView.cpp | 15 +++++++++++++++
 Ladybird/WebContentView.h   |  3 +++
 3 files changed, 26 insertions(+)

diff --git a/Ladybird/BrowserWindow.cpp b/Ladybird/BrowserWindow.cpp
index 724232943d..df3648ca5b 100644
--- a/Ladybird/BrowserWindow.cpp
+++ b/Ladybird/BrowserWindow.cpp
@@ -349,6 +349,14 @@ void BrowserWindow::new_tab(QString const& url, Activate activate)
     QObject::connect(tab_ptr, &Tab::title_changed, this, &BrowserWindow::tab_title_changed);
     QObject::connect(tab_ptr, &Tab::favicon_changed, this, &BrowserWindow::tab_favicon_changed);
 
+    QObject::connect(&tab_ptr->view(), &WebContentView::urls_dropped, this, [this](auto& urls) {
+        VERIFY(urls.size());
+        m_current_tab->navigate(urls[0].toString());
+
+        for (qsizetype i = 1; i < urls.size(); ++i)
+            new_tab(urls[i].toString(), Activate::No);
+    });
+
     tab_ptr->view().on_get_all_cookies = [this](auto const& url) {
         return m_cookie_jar.get_all_cookies(url);
     };
diff --git a/Ladybird/WebContentView.cpp b/Ladybird/WebContentView.cpp
index 1daa0c3c68..c369f41f98 100644
--- a/Ladybird/WebContentView.cpp
+++ b/Ladybird/WebContentView.cpp
@@ -45,6 +45,7 @@
 #include <QInputDialog>
 #include <QLineEdit>
 #include <QMessageBox>
+#include <QMimeData>
 #include <QMouseEvent>
 #include <QPaintEvent>
 #include <QPainter>
@@ -58,6 +59,7 @@ WebContentView::WebContentView(StringView webdriver_content_ipc_path)
     : m_webdriver_content_ipc_path(webdriver_content_ipc_path)
 {
     setMouseTracking(true);
+    setAcceptDrops(true);
 
     setFocusPolicy(Qt::FocusPolicy::StrongFocus);
 
@@ -312,6 +314,19 @@ void WebContentView::mouseReleaseEvent(QMouseEvent* event)
     client().async_mouse_up(to_content(position), button, buttons, modifiers);
 }
 
+void WebContentView::dragEnterEvent(QDragEnterEvent* event)
+{
+    if (event->mimeData()->hasUrls())
+        event->acceptProposedAction();
+}
+
+void WebContentView::dropEvent(QDropEvent* event)
+{
+    VERIFY(event->mimeData()->hasUrls());
+    emit urls_dropped(event->mimeData()->urls());
+    event->acceptProposedAction();
+}
+
 void WebContentView::keyPressEvent(QKeyEvent* event)
 {
     switch (event->key()) {
diff --git a/Ladybird/WebContentView.h b/Ladybird/WebContentView.h
index c66864a5c7..903502949b 100644
--- a/Ladybird/WebContentView.h
+++ b/Ladybird/WebContentView.h
@@ -78,6 +78,8 @@ public:
     virtual void mouseMoveEvent(QMouseEvent*) override;
     virtual void mousePressEvent(QMouseEvent*) override;
     virtual void mouseReleaseEvent(QMouseEvent*) override;
+    virtual void dragEnterEvent(QDragEnterEvent*) override;
+    virtual void dropEvent(QDropEvent*) override;
     virtual void keyPressEvent(QKeyEvent* event) override;
     virtual void keyReleaseEvent(QKeyEvent* event) override;
     virtual void showEvent(QShowEvent*) override;
@@ -159,6 +161,7 @@ signals:
     void navigate_forward();
     void refresh();
     void restore_window();
+    void urls_dropped(QList<QUrl> const&);
     Gfx::IntPoint reposition_window(Gfx::IntPoint);
     Gfx::IntSize resize_window(Gfx::IntSize);
     Gfx::IntRect maximize_window();