sdext/source/presenter/PresenterHelpView.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
  21 #define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
  22
  23 #include "PresenterController.hxx"
  24 #include <cppuhelper/basemutex.hxx>
  25 #include <cppuhelper/compbase3.hxx>
  26 #include <com/sun/star/awt/XPaintListener.hpp>
  27 #include <com/sun/star/awt/XWindowListener.hpp>
  28 #include <com/sun/star/drawing/framework/XView.hpp>
  29 #include <com/sun/star/drawing/framework/XResourceId.hpp>
  30 #include <com/sun/star/frame/XController.hpp>
  31 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  32 #include <boost/scoped_ptr.hpp>
  33
  34 namespace {
  35     typedef cppu::WeakComponentImplHelper3<
  36         css::drawing::framework::XView,
  37         css::awt::XWindowListener,
  38         css::awt::XPaintListener
  39         > PresenterHelpViewInterfaceBase;
  40 }
  41
  42 namespace sdext { namespace presenter {
  43
  44 class PresenterButton;
  45
  46 /** Show help text that describes the defined keys.
  47 */
  48 class PresenterHelpView
  49     : private ::cppu::BaseMutex,
  50       public PresenterHelpViewInterfaceBase
  51 {
  52 public:
  53     explicit PresenterHelpView (
  54         const css::uno::Reference<css::uno::XComponentContext>& rxContext,
  55         const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
  56         const css::uno::Reference<css::frame::XController>& rxController,
  57         const ::rtl::Reference<PresenterController>& rpPresenterController);
  58     virtual ~PresenterHelpView();
  59
  60     virtual void SAL_CALL disposing() SAL_OVERRIDE;
  61
  62     // lang::XEventListener
  63
  64     virtual void SAL_CALL
  65         disposing (const css::lang::EventObject& rEventObject)
  66         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  67
  68     // XWindowListener
  69
  70     virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent)
  71         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  72
  73     virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent)
  74         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  75
  76     virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent)
  77         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  78
  79     virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent)
  80         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  81
  82     // XPaintListener
  83
  84     virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent)
  85         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  86
  87     // XResourceId
  88
  89     virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId()
  90         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  91
  92     virtual sal_Bool SAL_CALL isAnchorOnly()
  93         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  94
  95 private:
  96     class TextContainer;
  97
  98     css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
  99     css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
 100     css::uno::Reference<css::drawing::framework::XPane> mxPane;
 101     css::uno::Reference<css::awt::XWindow> mxWindow;
 102     css::uno::Reference<css::rendering::XCanvas> mxCanvas;
 103     ::rtl::Reference<PresenterController> mpPresenterController;
 104     PresenterTheme::SharedFontDescriptor mpFont;
 105     ::boost::scoped_ptr<TextContainer> mpTextContainer;
 106     ::rtl::Reference<PresenterButton> mpCloseButton;
 107     sal_Int32 mnSeparatorY;
 108     sal_Int32 mnMaximalWidth;
 109
 110     void ProvideCanvas();
 111     void Resize();
 112     void Paint (const css::awt::Rectangle& rRedrawArea);
 113     void ReadHelpStrings();
 114     void ProcessString (
 115         const css::uno::Reference<css::beans::XPropertySet>& rsProperties);
 116
 117     /** Find a font size, so that all text can be displayed at the same
 118         time.
 119     */
 120     void CheckFontSize();
 121
 122     /** This method throws a DisposedException when the object has already been
 123         disposed.
 124     */
 125     void ThrowIfDisposed()
 126         throw (css::lang::DisposedException);
 127 };
 128
 129 } } // end of namespace ::sdext::presenter
 130
 131 #endif
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */