Merge Webkit at r58956: Initial merge by Git.

Change-Id: I1d9fb60ea2c3f2ddc04c17a871acdb39353be228

1 files changed, 121 insertions, 0 deletions

diff --git a/WebKit/chromium/public/WebThemeEngine.h b/WebKit/chromium/public/WebThemeEngine.h
new file mode 100644
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+++ b/WebKit/chromium/public/WebThemeEngine.h
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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"
+
+namespace WebKit {
+
+struct WebRect;
+struct WebSize;
+
+class WebThemeEngine {
+public:
+#ifdef WIN32
+// 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 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;
+#endif
+
+    // WebThemeEngine was originally used only on Windows, hence its platform-
+    // specific parameters.  This is new cross-platform theming API, and we'll
+    // switch the code to using these APIs on all platforms instead.
+    enum Part {
+        PartScrollbarDownArrow,
+        PartScrollbarLeftArrow,
+        PartScrollbarRightArrow,
+        PartScrollbarUpArrow,
+        PartScrollbarHorizontalThumb,
+        PartScrollbarVerticalThumb,
+        PartScrollbarHoriztonalTrack,
+        PartScrollbarVerticalTrack,
+    };
+
+    enum State {
+        StateDisabled,
+        StateHot,
+        StateHover,
+        StateNormal,
+        StatePressed,
+    };
+
+    struct ScrollbarTrackExtraParams {
+        int alignX;
+        int alignY;
+    };
+
+    union ExtraParams {
+        ScrollbarTrackExtraParams scrollbarTrack;
+    };
+
+    // Gets the size of the given theme component.  For variable sized items
+    // like vertical scrollbar tracks, the width will be the required width of
+    // the track while the height will be the minimum height.
+    virtual void getSize(Part, WebSize*) {}
+    virtual void paint(
+        WebCanvas*, Part, State, const WebRect&, const ExtraParams&) {}
+};
+
+} // namespace WebKit
+
+#endif