Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 80 insertions, 0 deletions

diff --git a/Source/WebCore/platform/gtk/ScrollbarThemeGtk.h b/Source/WebCore/platform/gtk/ScrollbarThemeGtk.h
new file mode 100644
index 0000000..207ec1f
--- /dev/null
+++ b/Source/WebCore/platform/gtk/ScrollbarThemeGtk.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef ScrollbarThemeGtk_h
+#define ScrollbarThemeGtk_h
+
+#include "ScrollbarThemeComposite.h"
+
+namespace WebCore {
+
+class Scrollbar;
+
+class ScrollbarThemeGtk : public ScrollbarThemeComposite {
+public:
+    ScrollbarThemeGtk();
+    virtual ~ScrollbarThemeGtk();
+
+    virtual bool hasButtons(Scrollbar*) { return true; }
+    virtual bool hasThumb(Scrollbar*);
+    virtual IntRect backButtonRect(Scrollbar*, ScrollbarPart, bool);
+    virtual IntRect forwardButtonRect(Scrollbar*, ScrollbarPart, bool);
+    virtual IntRect trackRect(Scrollbar*, bool);
+    IntRect thumbRect(Scrollbar*, const IntRect& unconstrainedTrackRect);
+    bool paint(Scrollbar*, GraphicsContext*, const IntRect& damageRect);
+    void paintScrollbarBackground(GraphicsContext*, Scrollbar*);
+    void paintTrackBackground(GraphicsContext*, Scrollbar*, const IntRect&);
+    void paintThumb(GraphicsContext*, Scrollbar*, const IntRect&);
+    virtual void paintButton(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
+    virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect&);
+    virtual bool shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent&);
+    virtual int scrollbarThickness(ScrollbarControlSize);
+    virtual IntSize buttonSize(Scrollbar*);
+    virtual int minimumThumbLength(Scrollbar*);
+
+    // TODO: These are the default GTK+ values. At some point we should pull these from the theme itself.
+    virtual double initialAutoscrollTimerDelay() { return 0.20; }
+    virtual double autoscrollTimerDelay() { return 0.02; }
+    void updateThemeProperties();
+    void updateScrollbarsFrameThickness();
+    void registerScrollbar(Scrollbar*);
+    void unregisterScrollbar(Scrollbar*);
+
+protected:
+#ifndef GTK_API_VERSION_2
+    GtkStyleContext* m_context;
+#endif
+    int m_thumbFatness;
+    int m_troughBorderWidth;
+    int m_stepperSize;
+    int m_stepperSpacing;
+    int m_minThumbLength;
+    gboolean m_troughUnderSteppers;
+    gboolean m_hasForwardButtonStartPart;
+    gboolean m_hasBackButtonEndPart;
+};
+
+}
+#endif