Add removeMatch(es) methods

Review: http://reviewboard.kde.org/r/2260


svn path=/trunk/KDE/kdelibs/; revision=1053618

querymatch.cpp

@@ -212,6 +212,11 @@ QueryMatch &QueryMatch::operator=(const QueryMatch &other)
     return *this;
 }
 
+bool QueryMatch::operator==(const QueryMatch &other) const
+{
+    return (d == other.d);
+}
+
 void QueryMatch::run(const RunnerContext &context) const
 {
     //kDebug() << "we run the term" << context->query() << "whose type is" << context->mimetype();

querymatch.h

@@ -83,6 +83,7 @@ class PLASMA_EXPORT QueryMatch
 
         ~QueryMatch();
         QueryMatch &operator=(const QueryMatch &other);
+        bool operator==(const QueryMatch &other) const;
         bool operator<(const QueryMatch &other) const;
 
 

runnercontext.cpp

@@ -396,6 +396,63 @@ bool RunnerContext::addMatch(const QString &term, const QueryMatch &match)
     return true;
 }
 
+bool RunnerContext::removeMatches(const QStringList matchIdList)
+{
+    if (!isValid()) {
+        return false;
+    }
+
+    QStringList presentMatchIdList;
+    QList<const QueryMatch*> presentMatchList;
+
+    LOCK_FOR_READ(d)
+    foreach(QString matchId, matchIdList) {
+        const QueryMatch* match = d->matchesById.value(matchId, 0);
+        if (match) {
+            presentMatchList << match;
+            presentMatchIdList << matchId;
+        }
+    }
+    UNLOCK(d)
+
+    if (presentMatchIdList.isEmpty()) {
+        return false;
+    }
+
+    LOCK_FOR_WRITE(d)
+    foreach(const QueryMatch *match, presentMatchList) {
+        d->matches.removeAll(*match);
+    }
+    foreach(QString matchId, presentMatchIdList) {
+        d->matchesById.remove(matchId);
+    }
+    UNLOCK(d)
+
+    emit d->q->matchesChanged();
+
+    return true;
+}
+
+bool RunnerContext::removeMatch(const QString matchId)
+{
+    if (!isValid()) {
+        return false;
+    }
+    LOCK_FOR_READ(d)
+    const QueryMatch* match = d->matchesById.value(matchId, 0);
+    UNLOCK(d)
+    if (!match) {
+        return false;
+    }
+    LOCK_FOR_WRITE(d)
+    d->matches.removeAll(*match);
+    d->matchesById.remove(matchId);
+    UNLOCK(d)
+    emit d->q->matchesChanged();
+
+    return true;
+}
+
 QList<QueryMatch> RunnerContext::matches() const
 {
     LOCK_FOR_READ(d)

runnercontext.h

@@ -154,6 +154,30 @@ class PLASMA_EXPORT RunnerContext : public QObject
         //        plus: it is Q_UNUSED
         bool addMatch(const QString &term, const QueryMatch &match);
 
+        /**
+         * Removes a match from the existing list of matches.
+         *
+         * If you are going to be removing multiple matches, use removeMatches instead.
+         *
+         * @arg matchId the id of match to remove
+         *
+         * @return true if the match was removed, false otherwise.
+	 * @since 4.4
+         */
+	bool removeMatch(const QString matchId);
+
+        /**
+         * Removes lists of matches from the existing list of matches.
+         *
+         * This method is thread safe and causes the matchesChanged() signal to be emitted.
+         *
+         * @arg matchIdList the list of matches id to remove
+         *
+         * @return true if at least one match was removed, false otherwise.
+         * @since 4.4
+         */
+        bool removeMatches(const QStringList matchIdList);
+
         /**
          * Retrieves all available matches for the current search term.
          *