From d8ff05ddf898dfcd6fa0e3398cc38abcab07e2fe Mon Sep 17 00:00:00 2001
From: ouwou <26526779+ouwou@users.noreply.github.com>
Date: Mon, 21 Dec 2020 19:08:44 -0500
Subject: support animated guild icon

---
 imgmanager.cpp | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

(limited to 'imgmanager.cpp')

diff --git a/imgmanager.cpp b/imgmanager.cpp
index 218c9ca..c1c67fd 100644
--- a/imgmanager.cpp
+++ b/imgmanager.cpp
@@ -20,9 +20,19 @@ Glib::RefPtr<Gdk::Pixbuf> ImageManager::ReadFileToPixbuf(std::string path) {
     });
     loader->write(static_cast<const guint8 *>(data.data()), data.size());
     loader->close();
-    auto buf = loader->get_pixbuf();
+    return loader->get_pixbuf();
+}
 
-    return buf;
+Glib::RefPtr<Gdk::PixbufAnimation> ImageManager::ReadFileToPixbufAnimation(std::string path, int w, int h) {
+    const auto &data = ReadWholeFile(path);
+    if (data.size() == 0) return Glib::RefPtr<Gdk::PixbufAnimation>(nullptr);
+    auto loader = Gdk::PixbufLoader::create();
+    loader->signal_size_prepared().connect([&loader, w, h](int, int) {
+        loader->set_size(w, h);
+    });
+    loader->write(static_cast<const guint8 *>(data.data()), data.size());
+    loader->close();
+    return loader->get_animation();
 }
 
 void ImageManager::LoadFromURL(std::string url, callback_type cb) {
@@ -35,12 +45,28 @@ void ImageManager::LoadFromURL(std::string url, callback_type cb) {
             m_cb_queue.push([signal, buf]() { signal.emit(buf); });
             m_cb_dispatcher.emit();
             m_cb_mutex.unlock();
-        } catch (std::exception &e) {
+        } catch (const std::exception &e) {
             fprintf(stderr, "err loading pixbuf from %s: %s\n", path.c_str(), e.what());
         }
     });
 }
 
+void ImageManager::LoadAnimationFromURL(std::string url, int w, int h, callback_anim_type cb) {
+    sigc::signal<void(Glib::RefPtr<Gdk::PixbufAnimation>)> signal;
+    signal.connect(cb);
+    m_cache.GetFileFromURL(url, [this, url, signal, w, h](std::string path) {
+        try {
+            auto buf = ReadFileToPixbufAnimation(path, w, h);
+            m_cb_mutex.lock();
+            m_cb_queue.push([signal, buf]() { signal.emit(buf); });
+            m_cb_dispatcher.emit();
+            m_cb_mutex.unlock();
+        } catch (const std::exception &e) {
+            fprintf(stderr, "err loading pixbuf animation from %s: %s\n", path.c_str(), e.what());
+        }
+    });
+}
+
 void ImageManager::Prefetch(std::string url) {
     m_cache.GetFileFromURL(url, [](const auto &) {});
 }
@@ -60,6 +86,14 @@ Glib::RefPtr<Gdk::Pixbuf> ImageManager::GetFromURLIfCached(std::string url) {
     return Glib::RefPtr<Gdk::Pixbuf>(nullptr);
 }
 
+Glib::RefPtr<Gdk::PixbufAnimation> ImageManager::GetAnimationFromURLIfCached(std::string url, int w, int h) {
+    std::string path = m_cache.GetPathIfCached(url);
+    if (path != "")
+        return ReadFileToPixbufAnimation(path, w, h);
+
+    return Glib::RefPtr<Gdk::PixbufAnimation>(nullptr);
+}
+
 Glib::RefPtr<Gdk::Pixbuf> ImageManager::GetPlaceholder(int size) {
     std::string name = "/placeholder" + std::to_string(size);
     if (m_pixs.find(name) != m_pixs.end())
-- 
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