move around files

src/messages/lazyloadedimage.cpp

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