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 LiveView_h__

#define LiveView_h__

#include "js/Context.h"

#include "LiveViewFilters.h"

#include "MessageDatabase.h"

#include "mozIStorageConnection.h"

#include "mozIStorageStatement.h"

#include "nsCOMPtr.h"

#include "nsILiveView.h"

namespace mozilla {

namespace mailnews {

class LiveView : public nsILiveView, public MessageListener {

 public:

  LiveView() : mSortColumn(LiveView::SortColumn::DATE), mSortDescending(true) {}

  NS_DECL_ISUPPORTS

  NS_DECL_NSILIVEVIEW

  void OnMessageAdded(Folder* folder, Message* message) override;

  void OnMessageRemoved(Folder* folder, Message* message) override;

 private:

  virtual ~LiveView() {

    delete mFolderFilter;

    if (mCountStmt) mCountStmt->Finalize();

    if (mCountUnreadStmt) mCountUnreadStmt->Finalize();

    if (mSelectStmt) mSelectStmt->Finalize();

  nsCString GetSQLClause();

  void PrepareStatement(mozIStorageStatement* aStatement);

  bool Matches(Message& aMessage);

  nsAutoCString mClause;

  LiveViewFilter* mFolderFilter = nullptr;

  nsILiveView::SortColumn mSortColumn;

  bool mSortDescending;

  nsCOMPtr<mozIStorageStatement> mCountStmt;

  nsCOMPtr<mozIStorageStatement> mCountUnreadStmt;

  nsCOMPtr<mozIStorageStatement> mSelectStmt;

  JSObject* CreateJSMessage(uint64_t id, uint64_t folderId,

                            const char* messageId, PRTime date,

                            const char* sender, const char* subject,

                            uint64_t flags, const char* tags, JSContext* aCx);

  JSObject* CreateJSMessage(Message* aMessage, JSContext* aCx);

  // 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 mailnews

}  // namespace mozilla

#endif  // LiveView_h__