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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
+#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
+
+#include "PresenterController.hxx"
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/awt/XPaintListener.hpp>
+#include <com/sun/star/awt/XWindowListener.hpp>
+#include <com/sun/star/drawing/framework/XView.hpp>
+#include <com/sun/star/drawing/framework/XResourceId.hpp>
+#include <com/sun/star/frame/XController.hpp>
+#include <memory>
+
+namespace sdext::presenter {
+
+class PresenterButton;
+
+typedef cppu::WeakComponentImplHelper<
+ css::drawing::framework::XView,
+ css::awt::XWindowListener,
+ css::awt::XPaintListener
+ > PresenterHelpViewInterfaceBase;
+
+/** Show help text that describes the defined keys.
+*/
+class PresenterHelpView
+ : private ::cppu::BaseMutex,
+ public PresenterHelpViewInterfaceBase
+{
+public:
+ explicit PresenterHelpView (
+ const css::uno::Reference<css::uno::XComponentContext>& rxContext,
+ const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
+ const css::uno::Reference<css::frame::XController>& rxController,
+ const ::rtl::Reference<PresenterController>& rpPresenterController);
+ virtual ~PresenterHelpView() override;
+
+ virtual void SAL_CALL disposing() override;
+
+ // lang::XEventListener
+
+ virtual void SAL_CALL
+ disposing (const css::lang::EventObject& rEventObject) override;
+
+ // XWindowListener
+
+ virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
+
+ virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
+
+ virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
+
+ virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
+
+ // XPaintListener
+
+ virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
+
+ // XResourceId
+
+ virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId() override;
+
+ virtual sal_Bool SAL_CALL isAnchorOnly() override;
+
+private:
+ class TextContainer;
+
+ css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
+ css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
+ css::uno::Reference<css::drawing::framework::XPane> mxPane;
+ css::uno::Reference<css::awt::XWindow> mxWindow;
+ css::uno::Reference<css::rendering::XCanvas> mxCanvas;
+ ::rtl::Reference<PresenterController> mpPresenterController;
+ PresenterTheme::SharedFontDescriptor mpFont;
+ std::unique_ptr<TextContainer> mpTextContainer;
+ ::rtl::Reference<PresenterButton> mpCloseButton;
+ sal_Int32 mnSeparatorY;
+ sal_Int32 mnMaximalWidth;
+
+ void ProvideCanvas();
+ void Resize();
+ void Paint (const css::awt::Rectangle& rRedrawArea);
+ void ReadHelpStrings();
+ void ProcessString (
+ const css::uno::Reference<css::beans::XPropertySet>& rsProperties);
+
+ /** Find a font size, so that all text can be displayed at the same
+ time.
+ */
+ void CheckFontSize();
+
+ /** @throws css::lang::DisposedException when the object has already been
+ disposed.
+ */
+ void ThrowIfDisposed();
+};
+
+} // end of namespace ::sdext::presenter
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */