StylesPreviewWindow.hxx

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#ifndef INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
#define INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
 
#include <vcl/InterimItemWindow.hxx>
#include <svl/style.hxx>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <sfx2/sfxstatuslistener.hxx>
 
class StylesPreviewWindow_Base;
 
class StyleStatusListener final : public SfxStatusListener
{
    StylesPreviewWindow_Base* m_pPreviewControl;
 
public:
    StyleStatusListener(
        StylesPreviewWindow_Base* pPreviewControl,
        const css::uno::Reference<css::frame::XDispatchProvider>& xDispatchProvider);
 
    void StateChangedAtStatusListener(SfxItemState eState, const SfxPoolItem* pState) override;
};
 
class StylePoolChangeListener final : public SfxListener
{
    StylesPreviewWindow_Base* m_pPreviewControl;
    SfxStyleSheetBasePool* m_pStyleSheetPool;
 
public:
    StylePoolChangeListener(StylesPreviewWindow_Base* pPreviewControl);
    ~StylePoolChangeListener();
 
    virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
};
 
class StyleItemController
{
    static constexpr unsigned LEFT_MARGIN = 8;
 
    SfxStyleFamily m_eStyleFamily;
    std::pair<OUString, OUString> m_aStyleName;
 
public:
    StyleItemController(std::pair<OUString, OUString> aStyleName);
 
    void Paint(vcl::RenderContext& rRenderContext);
 
private:
    void DrawEntry(vcl::RenderContext& rRenderContext);
    void DrawText(vcl::RenderContext& rRenderContext);
    void DrawHighlight(vcl::RenderContext& rRenderContext, Color aFontBack);
    static void DrawContentBackground(vcl::RenderContext& rRenderContext,
                                      const tools::Rectangle& aContentRect, const Color& aColor);
};
 
class StylesListUpdateTask final : public Idle
{
    StylesPreviewWindow_Base& m_rStylesList;
 
public:
    StylesListUpdateTask(StylesPreviewWindow_Base& rStylesList)
        : Idle("StylesListUpdateTask")
        , m_rStylesList(rStylesList)
    {
        SetPriority(TaskPriority::HIGH_IDLE);
    }
 
    virtual void Invoke() override;
};
 
class StylesPreviewWindow_Base
{
    friend class StylesListUpdateTask;
 
protected:
    static constexpr unsigned STYLES_COUNT = 6;
 
    css::uno::Reference<css::frame::XFrame> m_xFrame;
 
    std::unique_ptr<weld::IconView> m_xStylesView;
 
    StylesListUpdateTask m_aUpdateTask;
 
    rtl::Reference<StyleStatusListener> m_xStatusListener;
    std::unique_ptr<StylePoolChangeListener> m_pStylePoolChangeListener;
 
    std::vector<std::pair<OUString, OUString>> m_aDefaultStyles;
    std::vector<std::pair<OUString, OUString>> m_aAllStyles;
 
    OUString m_sSelectedStyle;
 
    DECL_LINK(Selected, weld::IconView&, void);
    DECL_LINK(DoubleClick, weld::IconView&, bool);
    DECL_LINK(DoCommand, const CommandEvent&, bool);
    DECL_LINK(DoJsonProperty, const weld::json_prop_query&, bool);
 
public:
    StylesPreviewWindow_Base(weld::Builder& xBuilder,
                             std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
                             const css::uno::Reference<css::frame::XFrame>& xFrame);
    ~StylesPreviewWindow_Base();
 
    void Select(const OUString& rStyleName);
    void RequestStylesListUpdate();
    static VclPtr<VirtualDevice> GetCachedPreview(const std::pair<OUString, OUString>& rStyle);
    static OString GetCachedPreviewJson(const std::pair<OUString, OUString>& rStyle);
 
private:
    void UpdateStylesList();
    void UpdateSelection();
    bool Command(const CommandEvent& rEvent);
};
 
class StylesPreviewWindow_Impl final : public InterimItemWindow, public StylesPreviewWindow_Base
{
public:
    StylesPreviewWindow_Impl(vcl::Window* pParent,
                             std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
                             const css::uno::Reference<css::frame::XFrame>& xFrame);
    ~StylesPreviewWindow_Impl();
 
    void dispose();
 
    void SetOptimalSize();
};
 
#endif
 
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