LibGfx: Add abstract StylePainter class

StylePainter's behavior is now handled by a static instance
of BaseStylePainter. The original static behavior of StylePainter
is left as-is for API compatibility.

1 files changed, 20 insertions, 0 deletions

diff --git a/Libraries/LibGfx/StylePainter.h b/Libraries/LibGfx/StylePainter.h
index a684dd8566..56391a1150 100644
--- a/Libraries/LibGfx/StylePainter.h
+++ b/Libraries/LibGfx/StylePainter.h
@@ -49,8 +49,28 @@ enum class FrameShape {
     HorizontalLine
 };
 
+// FIXME: should this be in its own header?
+class BaseStylePainter {
+public:
+    virtual ~BaseStylePainter() { }
+
+    virtual void paint_button(Painter&, const IntRect&, const Palette&, ButtonStyle, bool pressed, bool hovered = false, bool checked = false, bool enabled = true) = 0;
+    virtual void paint_tab_button(Painter&, const IntRect&, const Palette&, bool active, bool hovered, bool enabled) = 0;
+    virtual void paint_surface(Painter&, const IntRect&, const Palette&, bool paint_vertical_lines = true, bool paint_top_line = true) = 0;
+    virtual void paint_frame(Painter&, const IntRect&, const Palette&, FrameShape, FrameShadow, int thickness, bool skip_vertical_lines = false) = 0;
+    virtual void paint_window_frame(Painter&, const IntRect&, const Palette&) = 0;
+    virtual void paint_progress_bar(Painter&, const IntRect&, const Palette&, int min, int max, int value, const StringView& text) = 0;
+    virtual void paint_radio_button(Painter&, const IntRect&, const Palette&, bool is_checked, bool is_being_pressed) = 0;
+
+protected:
+    BaseStylePainter() { }
+};
+
 class StylePainter {
 public:
+    static BaseStylePainter& current();
+
+    // FIXME: These are here for API compatibility, we should probably remove them and move BaseStylePainter into here
     static void paint_button(Painter&, const IntRect&, const Palette&, ButtonStyle, bool pressed, bool hovered = false, bool checked = false, bool enabled = true);
     static void paint_tab_button(Painter&, const IntRect&, const Palette&, bool active, bool hovered, bool enabled);
     static void paint_surface(Painter&, const IntRect&, const Palette&, bool paint_vertical_lines = true, bool paint_top_line = true);