264 lines
8.3 KiB
C++
264 lines
8.3 KiB
C++
/*
|
|
* Copyright 2006-2007 Aaron Seigo <aseigo@kde.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Library General Public License as
|
|
* published by the Free Software Foundation; either version 2, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef PLASMA_RUNNERCONTEXT_H
|
|
#define PLASMA_RUNNERCONTEXT_H
|
|
|
|
#include <QtCore/QList>
|
|
#include <QtCore/QObject>
|
|
#include <QtCore/QSharedDataPointer>
|
|
|
|
#include <plasma/plasma_export.h>
|
|
|
|
class KCompletion;
|
|
class KConfigGroup;
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
class QueryMatch;
|
|
class AbstractRunner;
|
|
class RunnerContextPrivate;
|
|
|
|
/**
|
|
* @class RunnerContext plasma/runnercontext.h <Plasma/RunnerContext>
|
|
*
|
|
* @short The RunnerContext class provides information related to a search,
|
|
* including the search term, metadata on the search term and collected
|
|
* matches.
|
|
*/
|
|
class PLASMA_EXPORT RunnerContext : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
enum Type {
|
|
None = 0,
|
|
UnknownType = 1,
|
|
Directory = 2,
|
|
File = 4,
|
|
NetworkLocation = 8,
|
|
Executable = 16,
|
|
ShellCommand = 32,
|
|
Help = 64,
|
|
FileSystem = Directory | File | Executable | ShellCommand
|
|
};
|
|
|
|
Q_DECLARE_FLAGS(Types, Type)
|
|
|
|
explicit RunnerContext(QObject *parent = 0);
|
|
|
|
/**
|
|
* Copy constructor
|
|
*/
|
|
RunnerContext(RunnerContext &other, QObject *parent = 0);
|
|
|
|
/**
|
|
* Assignment operator
|
|
* @since 4.4
|
|
*/
|
|
RunnerContext &operator=(const RunnerContext &other);
|
|
|
|
~RunnerContext();
|
|
|
|
/**
|
|
* Resets the search term for this object.
|
|
* This removes all current matches in the process and
|
|
* turns off single runner query mode.
|
|
*/
|
|
void reset();
|
|
|
|
/**
|
|
* Sets the query term for this object and attempts to determine
|
|
* the type of the search.
|
|
*/
|
|
void setQuery(const QString &term);
|
|
|
|
/**
|
|
* @return the current search query term.
|
|
*/
|
|
QString query() const;
|
|
|
|
/**
|
|
* The type of item the search term might refer to.
|
|
* @see Type
|
|
*/
|
|
Type type() const;
|
|
|
|
/**
|
|
* The mimetype that the search term refers to, if discoverable.
|
|
*
|
|
* @return QString() if the mimetype can not be determined, otherwise
|
|
* the mimetype of the object being referred to by the search
|
|
* string.
|
|
*/
|
|
QString mimeType() const;
|
|
|
|
/**
|
|
* @returns true if this context is no longer valid and therefore
|
|
* matching using it should abort. Most useful as an optimization technique
|
|
* inside of AbstractRunner subclasses in the match method, e.g.:
|
|
*
|
|
* while (.. a possibly large iteration) {
|
|
* if (!context.isValid()) {
|
|
* return;
|
|
* }
|
|
*
|
|
* ... some processing ...
|
|
* }
|
|
*
|
|
* While not required to be used within runners, it provies a nice way
|
|
* to avoid unnecessary processing in runners that may run for an extended
|
|
* period (as measured in 10s of ms) and therefore improve the user experience.
|
|
* @since 4.2.3
|
|
*/
|
|
bool isValid() const;
|
|
|
|
/**
|
|
* Appends lists of matches to the list of matches.
|
|
*
|
|
* This method is thread safe and causes the matchesChanged() signal to be emitted.
|
|
*
|
|
* @return true if matches were added, false if matches were e.g. outdated
|
|
*/
|
|
// trueg: what do we need the term for? It is stored in the context anyway! Plus: matches() does not have a term parameter!
|
|
// plus: it is Q_UNUSED
|
|
bool addMatches(const QString &term, const QList<QueryMatch> &matches);
|
|
|
|
/**
|
|
* Appends a match to the existing list of matches.
|
|
*
|
|
* If you are going to be adding multiple matches, use addMatches instead.
|
|
*
|
|
* @param term the search term that this match was generated for.
|
|
* @param match the match to add
|
|
*
|
|
* @return true if the match was added, false otherwise.
|
|
*/
|
|
// trueg: what do we need the term for? It is stored in the context anyway! Plus: matches() does not have a term parameter!
|
|
// 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.
|
|
*
|
|
* @param 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.
|
|
*
|
|
* @param 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);
|
|
|
|
/**
|
|
* Removes lists of matches from a given AbstractRunner
|
|
*
|
|
* This method is thread safe and causes the matchesChanged() signal to be emitted.
|
|
*
|
|
* @param runner the AbstractRunner from which to remove matches
|
|
*
|
|
* @return true if at least one match was removed, false otherwise.
|
|
* @since 4.10
|
|
*/
|
|
bool removeMatches(AbstractRunner *runner);
|
|
|
|
/**
|
|
* Retrieves all available matches for the current search term.
|
|
*
|
|
* @return a list of matches
|
|
*/
|
|
QList<QueryMatch> matches() const;
|
|
|
|
/**
|
|
* Retrieves a match by id.
|
|
*
|
|
* @param id the id of the match to return
|
|
* @return the match associated with this id, or an invalid QueryMatch object
|
|
* if the id does not eixst
|
|
*/
|
|
QueryMatch match(const QString &id) const;
|
|
|
|
/**
|
|
* Sets single runner query mode. Note that a call to reset() will
|
|
* turn off single runner query mode.
|
|
*
|
|
* @see reset()
|
|
* @since 4.4
|
|
*/
|
|
void setSingleRunnerQueryMode(bool enabled);
|
|
|
|
/**
|
|
* @return true if the current query is a single runner query
|
|
* @since 4.4
|
|
*/
|
|
bool singleRunnerQueryMode() const;
|
|
|
|
/**
|
|
* Sets the launch counts for the associated match ids
|
|
*
|
|
* If a runner adds a match to this context, the context will check if the
|
|
* match id has been launched before and increase the matches relevance
|
|
* correspondingly. In this manner, any front end can implement adaptive search
|
|
* by sorting items according to relevance.
|
|
*
|
|
* @param config the config group where launch data was stored
|
|
*/
|
|
void restore(const KConfigGroup &config);
|
|
|
|
/**
|
|
* @param config the config group where launch data should be stored
|
|
*/
|
|
void save(KConfigGroup &config);
|
|
|
|
/**
|
|
* Run a match using the information from this context
|
|
*
|
|
* The context will also keep track of the number of times the match was
|
|
* launched to sort future matches according to user habits
|
|
*
|
|
* @param match the match to run
|
|
*/
|
|
void run(const QueryMatch &match);
|
|
|
|
Q_SIGNALS:
|
|
void matchesChanged();
|
|
|
|
private:
|
|
QExplicitlySharedDataPointer<RunnerContextPrivate> d;
|
|
};
|
|
|
|
}
|
|
|
|
Q_DECLARE_OPERATORS_FOR_FLAGS(Plasma::RunnerContext::Types)
|
|
|
|
#endif
|