init

Telegram/lib_ui/ui/layers/show.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "base/weak_ptr.h"
+#include "ui/layers/layer_widget.h"
+
+struct TextWithEntities;
+
+namespace anim {
+enum class type : uchar;
+} // namespace anim
+
+namespace Ui::Toast {
+struct Config;
+class Instance;
+} // namespace Ui::Toast
+
+namespace Ui {
+
+class BoxContent;
+class LayerWidget;
+
+inline constexpr auto kZOrderBasic = 0;
+
+class Show {
+public:
+	virtual ~Show() = 0;
+	virtual void showOrHideBoxOrLayer(
+		std::variant<
+			v::null_t,
+			object_ptr<BoxContent>,
+			std::unique_ptr<LayerWidget>> &&layer,
+		LayerOptions options,
+		anim::type animated) const = 0;
+	[[nodiscard]] virtual not_null<QWidget*> toastParent() const = 0;
+	[[nodiscard]] virtual bool valid() const = 0;
+	virtual operator bool() const = 0;
+
+	void showBox(
+		object_ptr<BoxContent> content,
+		LayerOptions options = LayerOption::KeepOther,
+		anim::type animated = anim::type()) const;
+	void showLayer(
+		std::unique_ptr<LayerWidget> layer,
+		LayerOptions options = LayerOption::KeepOther,
+		anim::type animated = anim::type()) const;
+	void hideLayer(anim::type animated = anim::type()) const;
+
+	base::weak_ptr<Toast::Instance> showToast(Toast::Config &&config) const;
+	base::weak_ptr<Toast::Instance> showToast(
+		TextWithEntities &&text,
+		crl::time duration = 0) const;
+	base::weak_ptr<Toast::Instance> showToast(
+		const QString &text,
+		crl::time duration = 0) const;
+
+	template <
+		typename BoxType,
+		typename = std::enable_if_t<std::is_base_of_v<BoxContent, BoxType>>>
+	base::weak_qptr<BoxType> show(
+			object_ptr<BoxType> content,
+			LayerOptions options = LayerOption::KeepOther,
+			anim::type animated = anim::type()) const {
+		auto result = base::weak_qptr<BoxType>(content.data());
+		showBox(std::move(content), options, animated);
+		return result;
+	}
+
+private:
+	mutable base::weak_ptr<Toast::Instance> _lastToast;
+
+};
+
+inline Show::~Show() = default;
+
+} // namespace Ui