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diff --git a/src/AvatarLoader.cpp b/src/AvatarLoader.cpp
index 01f0398..a0f5f15 100644
--- a/src/AvatarLoader.cpp
+++ b/src/AvatarLoader.cpp
@@ -1,157 +1,161 @@
#include "AvatarLoader.h"
#include "BasicMainWindow.h"
#include "MemoryReader.h"
#include "webclient.h"
#include <QCryptographicHash>
#include <QDebug>
#include <QWaitCondition>
namespace {
const int MAX_CACHE_COUNT = 1000;
const int ICON_SIZE = 64;
}
using WebClientPtr = std::shared_ptr<WebClient>;
struct AvatarLoader::Private {
QMutex mutex;
QWaitCondition condition;
std::deque<RequestItem> requested;
std::deque<RequestItem> completed;
BasicMainWindow *mainwindow = nullptr;
WebClientPtr web;
};
AvatarLoader::AvatarLoader()
: m(new Private)
{
}
AvatarLoader::~AvatarLoader()
{
delete m;
}
void AvatarLoader::start(BasicMainWindow *mainwindow)
{
m->mainwindow = mainwindow;
QThread::start();
}
void AvatarLoader::run()
{
m->web = std::make_shared<WebClient>(m->mainwindow->webContext());
while (1) {
if (isInterruptionRequested()) return;
std::deque<RequestItem> requests;
{
QMutexLocker lock(&m->mutex);
if (m->requested.empty()) {
m->condition.wait(&m->mutex);
}
if (!m->requested.empty()) {
std::swap(requests, m->requested);
}
}
for (RequestItem &item : requests) {
-
if (isInterruptionRequested()) return;
- if (item.email.empty()) continue;
-
if (strchr(item.email.c_str(), '@')) {
QString id;
{
QCryptographicHash hash(QCryptographicHash::Md5);
hash.addData(item.email.c_str(), item.email.size());
QByteArray ba = hash.result();
char tmp[100];
for (int i = 0; i < ba.size(); i++) {
sprintf(tmp + i * 2, "%02x", ba.data()[i] & 0xff);
}
id = tmp;
}
QString url = "https://www.gravatar.com/avatar/%1?s=%2";
url = url.arg(id).arg(ICON_SIZE);
if (m->web->get(WebClient::URL(url.toStdString())) == 200) {
if (!m->web->response().content.empty()) {
MemoryReader reader(m->web->response().content.data(), m->web->response().content.size());
reader.open(MemoryReader::ReadOnly);
QImage image;
image.load(&reader, nullptr);
int w = image.width();
int h = image.height();
if (w > 0 && h > 0) {
item.image = image;
{
QMutexLocker lock(&m->mutex);
+ size_t i = m->requested.size();
+ while (i > 0) {
+ i--;
+ if (m->requested[i].email == item.email) {
+ m->requested.erase(m->requested.begin() + i);
+ }
+ }
while (m->completed.size() >= MAX_CACHE_COUNT) {
m->completed.pop_back();
}
m->completed.push_front(item);
}
emit updated();
continue;
}
}
} else {
m->mainwindow->emitWriteLog(QString("Failed to fetch the avatar.\n").toUtf8());
QString msg = QString::fromStdString(m->web->error().message() + '\n');
m->mainwindow->emitWriteLog(msg.toUtf8());
}
}
}
}
}
QIcon AvatarLoader::fetch(std::string const &email, bool request) const
{
QMutexLocker lock(&m->mutex);
RequestItem item;
item.email = email;
for (size_t i = 0; i < m->completed.size(); i++) {
if (item.email == m->completed[i].email) {
item = m->completed[i];
m->completed.erase(m->completed.begin() + i);
m->completed.insert(m->completed.begin(), item);
return QIcon(QPixmap::fromImage(item.image));
}
}
if (request) {
bool waiting = false;
for (RequestItem const &r : m->requested) {
if (item.email == r.email) {
waiting = true;
break;
}
}
if (!waiting) {
m->requested.push_back(item);
m->condition.wakeOne();
}
}
return QIcon();
}
void AvatarLoader::stop()
{
{
QMutexLocker lock(&m->mutex);
requestInterruption();
m->requested.clear();
m->condition.wakeAll();
}
if (!wait(3000)) {
terminate();
}
if (m->web) {
m->web->close();
m->web.reset();
}
m->completed.clear();
}

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