refactor: Turn link-info into its own element and class (#5178)

src/providers/links/LinkInfo.cpp

@@ -0,0 +1,106 @@
+#include "providers/links/LinkInfo.hpp"
+
+#include "debug/AssertInGuiThread.hpp"
+
+#include <QString>
+
+namespace chatterino {
+
+LinkInfo::LinkInfo(QString url)
+    : QObject(nullptr)
+    , originalUrl_(url)
+    , url_(std::move(url))
+    , tooltip_(this->url_)
+{
+}
+
+LinkInfo::~LinkInfo() = default;
+
+LinkInfo::State LinkInfo::state() const
+{
+    return this->state_;
+}
+
+QString LinkInfo::url() const
+{
+    return this->url_;
+}
+
+QString LinkInfo::originalUrl() const
+{
+    return this->originalUrl_;
+}
+
+bool LinkInfo::isPending() const
+{
+    return this->state_ == State::Created;
+}
+
+bool LinkInfo::isLoading() const
+{
+    return this->state_ == State::Loading;
+}
+
+bool LinkInfo::isLoaded() const
+{
+    return this->state_ > State::Loading;
+}
+
+bool LinkInfo::isResolved() const
+{
+    return this->state_ == State::Resolved;
+}
+
+bool LinkInfo::hasError() const
+{
+    return this->state_ == State::Errored;
+}
+
+bool LinkInfo::hasThumbnail() const
+{
+    return this->thumbnail_ && !this->thumbnail_->url().string.isEmpty();
+}
+
+QString LinkInfo::tooltip() const
+{
+    return this->tooltip_;
+}
+
+ImagePtr LinkInfo::thumbnail() const
+{
+    return this->thumbnail_;
+}
+
+void LinkInfo::setState(State state)
+{
+    assertInGuiThread();
+    assert(state >= this->state_);
+
+    if (this->state_ == state)
+    {
+        return;
+    }
+
+    this->state_ = state;
+    this->stateChanged(state);
+}
+
+void LinkInfo::setResolvedUrl(QString resolvedUrl)
+{
+    assertInGuiThread();
+    this->url_ = std::move(resolvedUrl);
+}
+
+void LinkInfo::setTooltip(QString tooltip)
+{
+    assertInGuiThread();
+    this->tooltip_ = std::move(tooltip);
+}
+
+void LinkInfo::setThumbnail(ImagePtr thumbnail)
+{
+    assertInGuiThread();
+    this->thumbnail_ = std::move(thumbnail);
+}
+
+}  // namespace chatterino