LiveView.h - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef COMM_MAILNEWS_DB_PANORAMA_SRC_LIVEVIEW_H_

#define COMM_MAILNEWS_DB_PANORAMA_SRC_LIVEVIEW_H_

#include "js/Context.h"

#include "LiveViewFilters.h"

#include "MessageDatabase.h"

#include "mozilla/dom/Promise.h"

#include "mozIStorageConnection.h"

#include "mozIStorageStatement.h"

#include "nsCOMPtr.h"

#include "nsILiveView.h"

#include "nsIVariant.h"

using JS::Rooted;

using mozilla::dom::Promise;

namespace mozilla::mailnews {

class LiveView : public nsILiveView, public MessageListener {

 public:

  LiveView()

      : mSortColumn(nsILiveView::SortColumn::DATE),

        mSortDescending(true),

        mGrouping(nsILiveView::Grouping::UNTHREADED) {}

  NS_DECL_ISUPPORTS

  NS_DECL_NSILIVEVIEW

  void OnMessageAdded(Message* message) override;

  void OnMessageRemoved(Message* message, uint32_t oldFlags) override;

  void OnMessageFlagsChanged(Message* message, uint32_t oldFlags,

                             uint32_t newFlags) override;

 private:

  virtual ~LiveView() {

    delete mFolderFilter;

    ResetStatements();

  MessageDatabase& MessageDB() const {

    return *DatabaseCore::sInstance->mMessageDatabase;

  void ResetStatements();

  nsCString GetSQLClause();

  void PrepareStatement(mozIStorageStatement* aStatement);

  bool Matches(Message& aMessage);

  nsAutoCString mClause;

  nsTArray<RefPtr<nsIVariant>> mParams;

  LiveViewFilter* mFolderFilter = nullptr;

  nsILiveView::SortColumn mSortColumn;

  bool mSortDescending;

  nsILiveView::Grouping mGrouping;

  nsCOMPtr<mozIStorageStatement> mCountStmt;

  nsCOMPtr<mozIStorageStatement> mCountUnreadStmt;

  nsCOMPtr<mozIStorageStatement> mSelectStmt;

  nsCOMPtr<mozIStorageStatement> mSelectGroupStmt;

  void CreateJSMessageArray(mozIStorageStatement*, JSContext*,

                            Rooted<JSObject*>&);

  void CreateJSMessage(uint64_t id, uint64_t folderId, const char* messageId,

                       PRTime date, const char* sender, const char* recipients,

                       const char* subject, uint64_t flags, const char* tags,

                       uint64_t threadId, uint64_t threadParent, JSContext* aCx,

                       Rooted<JSObject*>&);

  void CreateJSMessage(Message* aMessage, JSContext* aCx, Rooted<JSObject*>&);

  // The one and only listener for this live view, if set.

  nsCOMPtr<nsILiveViewListener> mListener;

  // The JS context containing `mListener`. Used for creating JS objects to

  // pass to the listener.

  JSContext* mCx;

};

}  // namespace mozilla::mailnews

#endif  // COMM_MAILNEWS_DB_PANORAMA_SRC_LIVEVIEW_H_