diff options
Diffstat (limited to 'src/threadlistmodel.h')
| -rw-r--r-- | src/threadlistmodel.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/threadlistmodel.h b/src/threadlistmodel.h index bed099d..fc7f65a 100644 --- a/src/threadlistmodel.h +++ b/src/threadlistmodel.h @@ -20,6 +20,7 @@ #include <QAbstractItemModel> #include <QColor> +#include <QHash> #include <QVector> #include "tagcolors.h" @@ -450,7 +451,26 @@ private: /// than claiming the union as one message's. static ThreadNode nodeFor(const ThreadSummary &summary); + /// The top-level row holding a thread or a message, or -1. + /// + /// Answered from a hash rather than a walk, because a bulk action asks + /// once per message and a walk per message made archiving ten thousand + /// rows quadratic in the lookups alone (item 211). The FIRST row in list + /// order wins, which is the row every linear walk here used to stop at, + /// so the two are interchangeable; a flat view can hold one thread on + /// several rows and still answers with the first. + int rowForThread(const QString &threadId) const; + int rowForMessage(const QString &messageId) const; + void rebuildIndex() const; + QVector<ThreadNode> m_threads; + // Rebuilt lazily on the next lookup after anything renumbers rows or + // changes which ids a node carries. Every structural change signals, and + // the two in-place id changes (reconcile, setThreadMessages) mark it by + // hand. + mutable QHash<QString, int> m_rowByThread; + mutable QHash<QString, int> m_rowByMessage; + mutable bool m_indexStale = true; const TagColors *m_tagColors = nullptr; QString m_dateFormat; QStringList m_forwardPrefixes; |