init

Telegram/lib_ui/ui/layers/layer_manager.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"
+
+#include <QtCore/QMargins>
+
+namespace style {
+struct Box;
+} // namespace style
+
+namespace Ui {
+
+class BoxContent;
+class RpWidget;
+class Show;
+
+class LayerManager final : public base::has_weak_ptr {
+public:
+	explicit LayerManager(not_null<RpWidget*> widget);
+
+	void setStyleOverrides(
+		const style::Box *boxSt,
+		const style::Box *layerSt);
+
+	void setHideByBackgroundClick(bool hide);
+	void showBox(
+		object_ptr<BoxContent> box,
+		LayerOptions options = LayerOption::KeepOther,
+		anim::type animated = anim::type::normal);
+	void showLayer(
+		std::unique_ptr<LayerWidget> layer,
+		LayerOptions options = LayerOption::KeepOther,
+		anim::type animated = anim::type::normal);
+	void hideAll(anim::type animated = anim::type::normal);
+	void raise();
+	bool setFocus();
+
+	[[nodiscard]] rpl::producer<bool> layerShownValue() const {
+		return _layerShown.value();
+	}
+
+	[[nodiscard]] not_null<Ui::RpWidget*> toastParent() const {
+		return _widget;
+	}
+	[[nodiscard]] const LayerWidget *topShownLayer() const;
+
+	[[nodiscard]] std::shared_ptr<Show> uiShow();
+
+private:
+	class ManagerShow;
+
+	void ensureLayerCreated();
+	void destroyLayer();
+
+	const not_null<RpWidget*> _widget;
+	base::unique_qptr<LayerStackWidget> _layer;
+	std::shared_ptr<ManagerShow> _cachedShow;
+	rpl::variable<bool> _layerShown;
+
+	const style::Box *_boxSt = nullptr;
+	const style::Box *_layerSt = nullptr;
+	bool _hideByBackgroundClick = false;
+
+};
+
+} // namespace Ui