tdesktop/Telegram/SourceFiles/window/notifications_utilities.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "window/notifications_utilities.h"
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#include "platform/platform_specific.h"
#include "messenger.h"
#include "styles/style_window.h"
namespace Window {
namespace Notifications {
namespace {
// Delete notify photo file after 1 minute of not using.
constexpr int kNotifyDeletePhotoAfterMs = 60000;
} // namespace
CachedUserpics::CachedUserpics(Type type) : _type(type) {
connect(&_clearTimer, SIGNAL(timeout()), this, SLOT(onClear()));
QDir().mkpath(cWorkingDir() + qsl("tdata/temp"));
}
QString CachedUserpics::get(const StorageKey &key, PeerData *peer) {
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auto ms = getms(true);
auto i = _images.find(key);
if (i != _images.cend()) {
if (i->until) {
i->until = ms + kNotifyDeletePhotoAfterMs;
clearInMs(-kNotifyDeletePhotoAfterMs);
}
} else {
Image v;
if (key.first) {
v.until = ms + kNotifyDeletePhotoAfterMs;
clearInMs(-kNotifyDeletePhotoAfterMs);
} else {
v.until = 0;
}
v.path = cWorkingDir() + qsl("tdata/temp/") + QString::number(rand_value<uint64>(), 16) + qsl(".png");
if (key.first || key.second) {
if (_type == Type::Rounded) {
peer->saveUserpicRounded(v.path, st::notifyMacPhotoSize);
} else {
peer->saveUserpic(v.path, st::notifyMacPhotoSize);
}
} else {
Messenger::Instance().logoNoMargin().save(v.path, "PNG");
}
i = _images.insert(key, v);
_someSavedFlag = true;
}
return i->path;
}
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TimeMs CachedUserpics::clear(TimeMs ms) {
TimeMs result = 0;
for (auto i = _images.begin(); i != _images.end();) {
if (!i->until) {
++i;
continue;
}
if (i->until <= ms) {
QFile(i->path).remove();
i = _images.erase(i);
} else {
if (!result) {
result = i->until;
} else {
accumulate_min(result, i->until);
}
++i;
}
}
return result;
}
void CachedUserpics::clearInMs(int ms) {
if (ms < 0) {
ms = -ms;
if (_clearTimer.isActive() && _clearTimer.remainingTime() <= ms) {
return;
}
}
_clearTimer.start(ms);
}
void CachedUserpics::onClear() {
auto ms = getms(true);
auto minuntil = clear(ms);
if (minuntil) {
clearInMs(int(minuntil - ms));
}
}
CachedUserpics::~CachedUserpics() {
if (_someSavedFlag) {
TimeMs result = 0;
for_const (auto &item, _images) {
QFile(item.path).remove();
}
// This works about 1200ms on Windows for a folder with one image O_o
// psDeleteDir(cWorkingDir() + qsl("tdata/temp"));
}
}
} // namespace Notifications
} // namespace Window