mirror of
https://github.com/Chatterino/chatterino2.git
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108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
#include "messages/lazyloadedimage.h"
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#include "asyncexec.h"
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#include "emotemanager.h"
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#include "ircmanager.h"
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#include "util/urlfetch.h"
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#include "windowmanager.h"
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#include <QBuffer>
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#include <QImageReader>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <QTimer>
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#include <functional>
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namespace chatterino {
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namespace messages {
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LazyLoadedImage::LazyLoadedImage(const QString &url, qreal scale, const QString &name,
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const QString &tooltip, const QMargins &margin, bool isHat)
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: _currentPixmap(NULL)
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, _currentFrame(0)
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, _currentFrameOffset(0)
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, _url(url)
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, _name(name)
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, _tooltip(tooltip)
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, _animated(false)
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, _margin(margin)
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, _ishat(isHat)
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, _scale(scale)
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, _isLoading(false)
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{
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}
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LazyLoadedImage::LazyLoadedImage(QPixmap *image, qreal scale, const QString &name,
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const QString &tooltip, const QMargins &margin, bool isHat)
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: _currentPixmap(image)
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, _currentFrame(0)
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, _currentFrameOffset(0)
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, _name(name)
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, _tooltip(tooltip)
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, _animated(false)
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, _margin(margin)
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, _ishat(isHat)
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, _scale(scale)
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, _isLoading(true)
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{
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}
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void LazyLoadedImage::loadImage()
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{
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util::urlFetch(_url, [=](QNetworkReply &reply) {
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QByteArray array = reply.readAll();
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QBuffer buffer(&array);
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buffer.open(QIODevice::ReadOnly);
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QImage image;
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QImageReader reader(&buffer);
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bool first = true;
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for (int index = 0; index < reader.imageCount(); ++index) {
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if (reader.read(&image)) {
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auto pixmap = new QPixmap(QPixmap::fromImage(image));
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if (first) {
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first = false;
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_currentPixmap = pixmap;
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}
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FrameData data;
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data.duration = std::max(20, reader.nextImageDelay());
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data.image = pixmap;
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_allFrames.push_back(data);
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}
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}
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if (_allFrames.size() > 1) {
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_animated = true;
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EmoteManager::getInstance().getGifUpdateSignal().connect([this] { gifUpdateTimout(); });
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}
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EmoteManager::getInstance().incGeneration();
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WindowManager::getInstance().layoutVisibleChatWidgets();
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});
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}
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void LazyLoadedImage::gifUpdateTimout()
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{
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_currentFrameOffset += GIF_FRAME_LENGTH;
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while (true) {
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if (_currentFrameOffset > _allFrames.at(_currentFrame).duration) {
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_currentFrameOffset -= _allFrames.at(_currentFrame).duration;
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_currentFrame = (_currentFrame + 1) % _allFrames.size();
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} else {
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break;
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}
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}
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_currentPixmap = _allFrames[_currentFrame].image;
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}
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} // namespace messages
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} // namespace chatterino
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