Merge branch 'master' of https://github.com/fourtf/chatterino2

src/util/signalvector2.hpp

@@ -0,0 +1,90 @@
+#pragma once
+
+#include <QStandardItemModel>
+#include <pajlada/signals/signal.hpp>
+#include <vector>
+
+#include "util/assertinguithread.hpp"
+
+namespace chatterino {
+namespace util {
+
+template <typename TVectorItem>
+class ReadOnlySignalVector
+{
+public:
+    virtual ~ReadOnlySignalVector() = default;
+
+    struct ItemInsertedArgs {
+        const TVectorItem &item;
+        int index;
+    };
+
+    pajlada::Signals::Signal<ItemInsertedArgs> itemInserted;
+    pajlada::Signals::Signal<int> itemRemoved;
+    pajlada::Signals::NoArgSignal delayedItemsChanged;
+
+    const std::vector<TVectorItem> &getVector() const
+    {
+        util::assertInGuiThread();
+
+        return this->vector;
+    }
+
+protected:
+    std::vector<TVectorItem> vector;
+};
+
+template <typename TVectorItem>
+class BaseSignalVector : public ReadOnlySignalVector<TVectorItem>
+{
+public:
+    void removeItem(int index)
+    {
+        util::assertInGuiThread();
+        assert(index >= 0 && index < this->vector.size());
+
+        this->vector.erase(this->vector.begin() + index);
+        this->itemRemoved.invoke(index);
+    }
+};
+
+template <typename TVectorItem>
+class SignalVector2 : public BaseSignalVector<TVectorItem>
+{
+public:
+    void insertItem(const TVectorItem &item, int index)
+    {
+        util::assertInGuiThread();
+        assert(index >= 0 && index <= this->vector.size());
+
+        this->vector.insert(this->vector.begin() + index, item);
+
+        ItemInsertedArgs args{item, index};
+        this->itemInserted.invoke(args);
+    }
+
+    void appendItem(const TVectorItem &item)
+    {
+        this->insertItem(item, this->vector.size());
+    }
+};
+
+template <typename TVectorItem>
+class SortedSignalVector : public BaseSignalVector<TVectorItem>
+{
+public:
+    void addItem(const TVectorItem &item)
+    {
+        util::assertInGuiThread();
+
+        int index = this->vector.insert(
+                        std::lower_bound(this->vector.begin(), this->vector.end(), item), item) -
+                    this->vector.begin();
+        ItemInsertedArgs args{item, index};
+        this->itemInserted.invoke(args);
+    }
+};
+
+}  // namespace util
+}  // namespace chatterino