feat: Add link preview

Author: SiriusCrain

src/server/CMakeLists.txt

@@ -10,14 +10,14 @@ if (USE_SYSTEM_KF6)
 	find_package(KF6SyntaxHighlighting REQUIRED)
 endif()
 
-list(APPEND LIBS  
+list(APPEND LIBS
 	Qt6::Sql Qt6::Network Qt6::Svg Qt6::DBus Qt6::Concurrent Qt6::Quick Qt6::Qml
 	Qt6::GuiPrivate # for deeper integration with wayland protocols, we need wl_surface
 	Qt6::QuickDialogs2 Qt6::QuickControls2
 	${CMARK_LIBRARY} ${CMARK_EXT_LIBRARY}
 	minizip
-	OpenSSL::Crypto 
-	wayland-client 
+	OpenSSL::Crypto
+	wayland-client
 	qt6keychain
 	LibXml2::LibXml2
 	KF6::SyntaxHighlighting
@@ -102,6 +102,8 @@ set(SRCS
 	include/favicon/cached-favicon-request.hpp
 	src/favicon/cached-favicon-request.cpp
 
+	include/url-metadata/url-metadata-service.hpp
+	src/url-metadata/url-metadata-service.cpp
 
 	src/command-actions.cpp
 
@@ -111,7 +113,7 @@ set(SRCS
 	src/root-search/shortcuts/shortcut-root-provider.cpp
 	src/root-search/apps/app-root-provider.hpp
 	src/root-search/apps/app-root-provider.cpp
-	
+
 	src/extension/manager/extension-manager.hpp
 	src/extension/manager/extension-manager.cpp
 
@@ -134,7 +136,7 @@ set(SRCS
 
 	src/actions/app/app-actions.hpp
 	src/actions/app/app-actions.cpp
-	
+
 	src/service-registry.cpp
 
 	src/services/background-effect/ext-background-effect-v1-manager.cpp
@@ -182,7 +184,6 @@ set(SRCS
 
 	src/lib/crypto.cpp
 
-	
 	include/extension/extension-command.hpp
 
 	src/extension/extension-action-panel-builder.hpp
@@ -194,8 +195,6 @@ set(SRCS
 	include/extension/extension-command.hpp
 	src/extension/extension-command.cpp
 
-
-
 	src/ui/omni-painter/omni-painter.hpp
 	src/ui/omni-painter/omni-painter.cpp
 
@@ -216,15 +215,12 @@ set(SRCS
 
 	include/command-database.hpp
 	src/command-database.cpp
-
-		src/ui/image/url.hpp
-
+	src/ui/image/url.hpp
 
 	include/create-quicklink-command.hpp
 
 	src/builtin_icon.cpp
 
-
 	src/extend/accessory-model.cpp
 	src/extend/action-shortcut-parser.cpp
 	src/extend/action-model.cpp
@@ -243,14 +239,11 @@ set(SRCS
 
 	src/image-fetcher.hpp
 
-
 	src/command.hpp
-	
 
 	src/vicinae.hpp
 	src/vicinae.cpp
 
-
 	${EXTRA_PATH}/extension-boilerplate/boilerplate.qrc
 
 	./icons/icons.qrc
@@ -314,7 +307,6 @@ set(SRCS
 
 	src/cli/server.cpp
 
-
 	src/utils/utils.cpp
 
 	src/services/file-chooser/abstract-file-chooser.hpp
@@ -327,15 +319,13 @@ set(SRCS
 	src/services/root-item-manager/root-item-manager.hpp
 	src/services/root-item-manager/root-item-manager.cpp
 	src/services/root-item-manager/visit-tracker.cpp
-	
+
 	src/services/app-service/app-service.hpp
 	src/services/app-service/app-service.cpp
 
 	src/services/emoji-service/emoji-service.hpp
 	src/services/emoji-service/emoji-service.cpp
 
-
-
 	src/services/calculator-service/calculator-service.hpp
 	src/services/calculator-service/calculator-service.cpp
 
@@ -405,7 +395,6 @@ set(SRCS
 
 	src/overlay-controller/overlay-controller.hpp
 
-
 	src/lib/zip/unzip.cpp
 	src/lib/data-uri/data-uri.cpp
 	src/lib/pid-file/pid-file.cpp
@@ -692,7 +681,6 @@ if (UNIX AND NOT APPLE)
 
 	wayland_generate_protocol("wlr-data-control-unstable-v1")
 endif()
-	
 
 qt_add_executable(${TARGET} ${SRCS})
 
@@ -733,6 +721,7 @@ set(VICINAE_QML_FILES
 	src/qml/qml/SearchableDropdown.qml
 	src/qml/qml/ClipboardHistoryView.qml
 	src/qml/qml/ClipboardFilterAccessory.qml
+	src/qml/qml/LinkPreview.qml
 	src/qml/qml/DetailPanel.qml
 	src/qml/qml/MetadataBar.qml
 	src/qml/qml/AlertDialog.qml

src/server/database/clipboard/migrations.qrc

@@ -1,5 +1,6 @@
 <RCC>
     <qresource prefix="database/clipboard">
         <file>migrations/001_init.sql</file>
+        <file>migrations/002_add_url_metadata.sql</file>
     </qresource>
 </RCC>

src/server/database/clipboard/migrations/002_add_url_metadata.sql

@@ -0,0 +1,3 @@
+ALTER TABLE selection ADD COLUMN og_title TEXT;
+ALTER TABLE selection ADD COLUMN og_description TEXT;
+ALTER TABLE selection ADD COLUMN og_image TEXT;

src/server/include/url-metadata/url-metadata-service.hpp

@@ -0,0 +1,46 @@
+#pragma once
+#include <QObject>
+#include <QString>
+#include <QUrl>
+#include <optional>
+#include <unordered_map>
+#include <vector>
+
+class QNetworkReply;
+
+class UrlMetadataService : public QObject {
+  Q_OBJECT
+
+public:
+  struct UrlMetadata {
+    std::optional<QString> ogTitle;
+    std::optional<QString> ogDescription;
+    std::optional<QString> ogImage;
+  };
+
+  explicit UrlMetadataService(QObject *parent = nullptr);
+  ~UrlMetadataService() override;
+
+  void fetchMetadata(const QString &selectionId, const QUrl &url);
+
+signals:
+  void metadataReady(const QString &selectionId, const QString &ogTitle, const QString &ogDescription,
+                     const QString &ogImage);
+
+private:
+  static constexpr size_t MAX_CACHE_SIZE = 200;
+  static constexpr qint64 MAX_BUFFER_SIZE = 64 * 1024;
+  static constexpr int TIMEOUT_MS = 10000;
+
+  static UrlMetadata parseMetaTags(const QByteArray &html);
+  void abortAll();
+
+  struct InFlightRequest {
+    QNetworkReply *reply;
+    QByteArray buffer;
+    std::vector<QString> selectionIds;
+  };
+
+  std::unordered_map<QString, InFlightRequest> m_inFlight;
+  std::unordered_map<QString, UrlMetadata> m_cache;
+};

src/server/src/extensions/clipboard/history/clipboard-history-controller.cpp

@@ -14,6 +14,8 @@ ClipboardHistoryController::ClipboardHistoryController(ClipboardService *clipboa
           &ClipboardHistoryController::handleClipboardChanged);
   connect(clipboard, &ClipboardService::selectionUpdated, this,
           &ClipboardHistoryController::handleClipboardChanged);
+  connect(clipboard, &ClipboardService::selectionMetadataUpdated, this,
+          &ClipboardHistoryController::handleClipboardChanged);
 }
 
 void ClipboardHistoryController::setFilter(const QString &query) {

src/server/src/qml/clipboard-history-model.cpp

@@ -41,10 +41,16 @@ QVariant ClipboardHistoryModel::data(const QModelIndex &index, int role) const {
 
 QString ClipboardHistoryModel::itemId(int, int i) const { return m_entries[i].id; }
 
-QString ClipboardHistoryModel::itemTitle(int, int i) const { return m_entries[i].textPreview; }
+QString ClipboardHistoryModel::itemTitle(int, int i) const {
+  const auto &entry = m_entries[i];
+  if (entry.ogTitle && !entry.ogTitle->isEmpty()) return *entry.ogTitle;
+  return entry.textPreview;
+}
 
 QString ClipboardHistoryModel::itemSubtitle(int, int i) const {
-  auto dt = QDateTime::fromSecsSinceEpoch(m_entries[i].updatedAt);
+  const auto &entry = m_entries[i];
+  if (entry.ogDescription && !entry.ogDescription->isEmpty()) return *entry.ogDescription;
+  auto dt = QDateTime::fromSecsSinceEpoch(entry.updatedAt);
   return getRelativeTimeString(dt);
 }
 

src/server/src/qml/clipboard-history-view-host.cpp

@@ -165,10 +165,16 @@ void ClipboardHistoryViewHost::handleDataRetrieved(int totalCount) {
 void ClipboardHistoryViewHost::loadDetail(const ClipboardHistoryEntry &entry) {
   m_detailTextContent.clear();
   m_detailImageSource.clear();
+  m_detailOgTitle.clear();
+  m_detailOgDescription.clear();
+  m_detailOgImageUrl.clear();
   m_hasDetailError = false;
   m_detailErrorTitle.clear();
   m_detailErrorDescription.clear();
 
+  m_detailOgTitle = entry.ogTitle.value_or(QString());
+  m_detailOgDescription = entry.ogDescription.value_or(QString());
+  m_detailOgImageUrl = entry.ogImage.value_or(QString());
   m_detailMimeType = entry.mimeType;
   m_detailSize = formatSize(entry.size);
   m_detailCopiedAt = QDateTime::fromSecsSinceEpoch(entry.updatedAt).toString();
@@ -268,6 +274,9 @@ void ClipboardHistoryViewHost::clearDetail() {
   m_hasDetailError = false;
   m_detailTextContent.clear();
   m_detailImageSource.clear();
+  m_detailOgTitle.clear();
+  m_detailOgDescription.clear();
+  m_detailOgImageUrl.clear();
   m_detailMimeType.clear();
   m_detailSize.clear();
   m_detailCopiedAt.clear();

src/server/src/qml/clipboard-history-view-host.hpp

@@ -27,6 +27,9 @@ class ClipboardHistoryViewHost : public ViewHostBase {
   Q_PROPERTY(QString detailEncryptionIcon READ detailEncryptionIcon NOTIFY detailChanged)
   Q_PROPERTY(QString detailErrorTitle READ detailErrorTitle NOTIFY detailChanged)
   Q_PROPERTY(QString detailErrorDescription READ detailErrorDescription NOTIFY detailChanged)
+  Q_PROPERTY(QString detailOgTitle READ detailOgTitle NOTIFY detailChanged)
+  Q_PROPERTY(QString detailOgDescription READ detailOgDescription NOTIFY detailChanged)
+  Q_PROPERTY(QString detailOgImageUrl READ detailOgImageUrl NOTIFY detailChanged)
 
 public:
   explicit ClipboardHistoryViewHost();
@@ -60,6 +63,9 @@ class ClipboardHistoryViewHost : public ViewHostBase {
   QString detailEncryptionIcon() const { return m_detailEncryptionIcon; }
   QString detailErrorTitle() const { return m_detailErrorTitle; }
   QString detailErrorDescription() const { return m_detailErrorDescription; }
+  QString detailOgTitle() const { return m_detailOgTitle; }
+  QString detailOgDescription() const { return m_detailOgDescription; }
+  QString detailOgImageUrl() const { return m_detailOgImageUrl; }
 
 signals:
   void itemCountTextChanged();
@@ -96,6 +102,9 @@ class ClipboardHistoryViewHost : public ViewHostBase {
   QString m_detailEncryptionIcon;
   QString m_detailErrorTitle;
   QString m_detailErrorDescription;
+  QString m_detailOgTitle;
+  QString m_detailOgDescription;
+  QString m_detailOgImageUrl;
 
   std::unique_ptr<QTemporaryFile> m_tmpFile;
 };