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perf(smileys): Cleanup smileys icons by timer

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This commit is contained in:
Diadlo 2017-10-31 17:14:03 +03:00
parent c640007775
commit fa21594902
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GPG Key ID: 5AF9F2E29107C727
2 changed files with 34 additions and 5 deletions
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32
src/persistence/smileypack.cpp
View File

@ -25,6 +25,7 @@
#include <QRegularExpression>
#include <QStandardPaths>
#include <QtConcurrent/QtConcurrentRun>
#include <QTimer>
#if defined(Q_OS_FREEBSD)
#include <locale.h>
@ -58,6 +59,8 @@ static const QString RICH_TEXT_PATTERN = QStringLiteral("<img title=\"%1\" src=\
static const QString EMOTICONS_FILE_NAME = QStringLiteral("emoticons.xml");
static constexpr int CLEANUP_TIMEOUT = 5 * 60 * 1000; // 5 minutes
/**
* @brief Construct list of standard directories with "emoticons" sub dir, whether these directories
* exist or not
@ -101,13 +104,34 @@ QString getAsRichText(const QString& key)
return RICH_TEXT_PATTERN.arg(key);
}
SmileyPack::SmileyPack()
: cleanupTimer{new QTimer(this)}
{
loadingMutex.lock();
QtConcurrent::run(this, &SmileyPack::load, Settings::getInstance().getSmileyPack());
connect(&Settings::getInstance(), &Settings::smileyPackChanged, this,
&SmileyPack::onSmileyPackChanged);
connect(cleanupTimer, &QTimer::timeout, this, &SmileyPack::cleanup);
cleanupTimer->start(CLEANUP_TIMEOUT);
}
SmileyPack::~SmileyPack()
{
delete cleanupTimer;
}
void SmileyPack::cleanup()
{
QMutexLocker locker(&loadingMutex);
for (auto it = emoticonToIcon.begin(); it != emoticonToIcon.end();) {
std::shared_ptr<QIcon>& icon = it->second;
if (icon.use_count() == 1) {
it = emoticonToIcon.erase(it);
icon.reset();
} else {
++it;
}
}
}
/**
@ -242,7 +266,7 @@ QString SmileyPack::smileyfied(const QString& msg)
QString key = match.captured();
int startPos = match.capturedStart();
int keyLength = key.length();
if (emoticonToPath.contains(key)) {
if (emoticonToPath.find(key) != emoticonToPath.end()) {
QString imgRichText = getAsRichText(key);
result.replace(startPos + replaceDiff, keyLength, imgRichText);
replaceDiff += imgRichText.length() - keyLength;
@ -269,7 +293,7 @@ QList<QStringList> SmileyPack::getEmoticons() const
std::shared_ptr<QIcon> SmileyPack::getAsIcon(const QString& emoticon)
{
QMutexLocker locker(&loadingMutex);
if (emoticonToIcon.contains(emoticon))
if (emoticonToIcon.find(emoticon) != emoticonToIcon.end())
return emoticonToIcon[emoticon];
const auto iconPathIt = emoticonToPath.find(emoticon);
@ -279,7 +303,7 @@ std::shared_ptr<QIcon> SmileyPack::getAsIcon(const QString& emoticon)
const QString& iconPath = iconPathIt.value();
auto icon = std::make_shared<QIcon>(iconPath);
emoticonToIcon.insert(emoticon, icon);
emoticonToIcon[emoticon] = icon;
return icon;
}

7
src/persistence/smileypack.h
View File

@ -26,6 +26,8 @@
#include <memory>
class QTimer;
class SmileyPack : public QObject
{
Q_OBJECT
@ -41,18 +43,21 @@ public:
private slots:
void onSmileyPackChanged();
void cleanup();
private:
SmileyPack();
SmileyPack(SmileyPack&) = delete;
SmileyPack& operator=(const SmileyPack&) = delete;
~SmileyPack() override;
bool load(const QString& filename);
QMap<QString, std::shared_ptr<QIcon>> emoticonToIcon;
std::map<QString, std::shared_ptr<QIcon>> emoticonToIcon;
QHash<QString, QString> emoticonToPath;
QList<QStringList> emoticons;
QString path;
QTimer* cleanupTimer;
mutable QMutex loadingMutex;
};