Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3

* changes:
  Merge WebKit at r75315: Update WebKit version
  Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs
  Merge WebKit at r75315: Stub out AXObjectCache::remove()
  Merge WebKit at r75315: Fix ImageBuffer
  Merge WebKit at r75315: Fix PluginData::initPlugins()
  Merge WebKit at r75315: Fix conflicts
  Merge WebKit at r75315: Fix Makefiles
  Merge WebKit at r75315: Move Android-specific WebCore files to Source
  Merge WebKit at r75315: Initial merge by git.

1 files changed, 149 insertions, 0 deletions

diff --git a/Source/WebCore/platform/chromium/ScrollbarThemeChromium.cpp b/Source/WebCore/platform/chromium/ScrollbarThemeChromium.cpp
new file mode 100644
index 0000000..234d0ee
--- /dev/null
+++ b/Source/WebCore/platform/chromium/ScrollbarThemeChromium.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2008, 2009 Google Inc.
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "ScrollbarThemeChromium.h"
+
+#include "ChromiumBridge.h"
+#include "PlatformMouseEvent.h"
+#include "Scrollbar.h"
+#include "ScrollbarClient.h"
+#include "ScrollbarThemeComposite.h"
+
+// -----------------------------------------------------------------------------
+// This file contains scrollbar theme code that is cross platform. Additional
+// members of ScrollbarThemeChromium can be found in the platform specific files
+// -----------------------------------------------------------------------------
+
+namespace WebCore {
+
+bool ScrollbarThemeChromium::hasThumb(Scrollbar* scrollbar)
+{
+    // This method is just called as a paint-time optimization to see if
+    // painting the thumb can be skipped.  We don't have to be exact here.
+    return thumbLength(scrollbar) > 0;
+}
+
+IntRect ScrollbarThemeChromium::backButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool)
+{
+    // Windows and Linux just have single arrows.
+    if (part == BackButtonEndPart)
+        return IntRect();
+
+    IntSize size = buttonSize(scrollbar);
+    return IntRect(scrollbar->x(), scrollbar->y(), size.width(), size.height());
+}
+
+IntRect ScrollbarThemeChromium::forwardButtonRect(Scrollbar* scrollbar, ScrollbarPart part, bool)
+{
+    // Windows and Linux just have single arrows.
+    if (part == ForwardButtonStartPart)
+        return IntRect();
+
+    IntSize size = buttonSize(scrollbar);
+    int x, y;
+    if (scrollbar->orientation() == HorizontalScrollbar) {
+        x = scrollbar->x() + scrollbar->width() - size.width();
+        y = scrollbar->y();
+    } else {
+        x = scrollbar->x();
+        y = scrollbar->y() + scrollbar->height() - size.height();
+    }
+    return IntRect(x, y, size.width(), size.height());
+}
+
+IntRect ScrollbarThemeChromium::trackRect(Scrollbar* scrollbar, bool)
+{
+    IntSize bs = buttonSize(scrollbar);
+    // The buttons at the top and bottom of the scrollbar are square, so the
+    // thickness of the scrollbar is also their height.
+    int thickness = scrollbarThickness(scrollbar->controlSize());
+    if (scrollbar->orientation() == HorizontalScrollbar) {
+        // Once the scrollbar becomes smaller than the natural size of the
+        // two buttons, the track disappears.
+        if (scrollbar->width() < 2 * thickness)
+            return IntRect();
+        return IntRect(scrollbar->x() + bs.width(), scrollbar->y(), scrollbar->width() - 2 * bs.width(), thickness);
+    }
+    if (scrollbar->height() < 2 * thickness)
+        return IntRect();
+    return IntRect(scrollbar->x(), scrollbar->y() + bs.height(), thickness, scrollbar->height() - 2 * bs.height());
+}
+
+void ScrollbarThemeChromium::paintTrackBackground(GraphicsContext* context, Scrollbar* scrollbar, const IntRect& rect)
+{
+    // Just assume a forward track part.  We only paint the track as a single piece when there is no thumb.
+    if (!hasThumb(scrollbar))
+        paintTrackPiece(context, scrollbar, rect, ForwardTrackPart);
+}
+
+void ScrollbarThemeChromium::paintTickmarks(GraphicsContext* context, Scrollbar* scrollbar, const IntRect& rect)
+{
+    if (scrollbar->orientation() != VerticalScrollbar)
+        return;
+
+    if (rect.height() <= 0 || rect.width() <= 0)
+        return;  // nothing to draw on.
+
+    // Get the tickmarks for the frameview.
+    Vector<IntRect> tickmarks;
+    scrollbar->client()->getTickmarks(tickmarks);
+    if (!tickmarks.size())
+        return;
+
+    // Get the image for the tickmarks.
+    static RefPtr<Image> dash = Image::loadPlatformResource("tickmarkDash");
+    if (dash->isNull()) {
+        ASSERT_NOT_REACHED();
+        return;
+    }
+
+    context->save();
+
+    for (Vector<IntRect>::const_iterator i = tickmarks.begin(); i != tickmarks.end(); ++i) {
+        // Calculate how far down (in %) the tick-mark should appear.
+        const float percent = static_cast<float>(i->y()) / scrollbar->totalSize();
+
+        // Calculate how far down (in pixels) the tick-mark should appear.
+        const int yPos = rect.topLeft().y() + (rect.height() * percent);
+
+        IntPoint tick(scrollbar->x(), yPos);
+        context->drawImage(dash.get(), ColorSpaceDeviceRGB, tick);
+    }
+
+    context->restore();
+}
+
+void ScrollbarThemeChromium::paintScrollCorner(ScrollView* view, GraphicsContext* context, const IntRect& cornerRect)
+{
+    // ScrollbarThemeComposite::paintScrollCorner incorrectly assumes that the
+    // ScrollView is a FrameView (see FramelessScrollView), so we cannot let
+    // that code run.  For FrameView's this is correct since we don't do custom
+    // scrollbar corner rendering, which ScrollbarThemeComposite supports.
+    ScrollbarTheme::paintScrollCorner(view, context, cornerRect);
+}
+
+} // namespace WebCore