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+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 WebThemeEngine_h
+#define WebThemeEngine_h
+
+#include "../WebCanvas.h"
+#include "../WebColor.h"
+#include "../WebSize.h"
+
+namespace WebKit {
+
+struct WebRect;
+struct WebSize;
+
+class WebThemeEngine {
+public:
+// The part and state parameters correspond to values defined by the
+// Windows Theme API (see
+// http://msdn.microsoft.com/en-us/library/bb773187(VS.85).aspx ).
+// The classicState parameter corresponds to the uState
+// parameter of the Windows DrawFrameControl() function.
+// See the definitions in <vsstyle.h> and <winuser.h>.
+ virtual void paintButton(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&) = 0;
+
+ virtual void paintMenuList(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&) = 0;
+
+ virtual void paintScrollbarArrow(
+ WebCanvas*, int state, int classicState,
+ const WebRect&) = 0;
+
+ virtual void paintScrollbarThumb(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&) = 0;
+
+ virtual void paintScrollbarTrack(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&, const WebRect& alignRect) = 0;
+
+ virtual void paintSpinButton(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&) {}
+
+ virtual void paintTextField(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&, WebColor, bool fillContentArea, bool drawEdges) = 0;
+
+ virtual void paintTrackbar(
+ WebCanvas*, int part, int state, int classicState,
+ const WebRect&) = 0;
+
+ virtual void paintProgressBar(
+ WebCanvas*, const WebRect& barRect, const WebRect& valueRect,
+ bool determinate, double animatedSeconds) {}
+};
+
+} // namespace WebKit
+
+#endif