1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
|
/*
* Copyright (c) 2009, 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 ScrollbarThemeAura_h
#define ScrollbarThemeAura_h
#include "base/gtest_prod_util.h"
#include "platform/scroll/ScrollbarTheme.h"
namespace blink {
class PLATFORM_EXPORT ScrollbarThemeAura : public ScrollbarTheme {
public:
int scrollbarThickness(ScrollbarControlSize) override;
protected:
bool hasButtons(const ScrollbarThemeClient&) override { return true; }
bool hasThumb(const ScrollbarThemeClient&) override;
IntRect backButtonRect(const ScrollbarThemeClient&,
ScrollbarPart,
bool painting = false) override;
IntRect forwardButtonRect(const ScrollbarThemeClient&,
ScrollbarPart,
bool painting = false) override;
IntRect trackRect(const ScrollbarThemeClient&,
bool painting = false) override;
int minimumThumbLength(const ScrollbarThemeClient&) override;
void paintTrackBackground(GraphicsContext&,
const Scrollbar&,
const IntRect&) override;
void paintTrackPiece(GraphicsContext&,
const Scrollbar&,
const IntRect&,
ScrollbarPart) override;
void paintButton(GraphicsContext&,
const Scrollbar&,
const IntRect&,
ScrollbarPart) override;
void paintThumb(GraphicsContext&, const Scrollbar&, const IntRect&) override;
bool shouldRepaintAllPartsOnInvalidation() const override;
ScrollbarPart invalidateOnThumbPositionChange(
const ScrollbarThemeClient&,
float oldPosition,
float newPosition) const override;
private:
FRIEND_TEST_ALL_PREFIXES(ScrollbarThemeAuraTest, ButtonSizeHorizontal);
FRIEND_TEST_ALL_PREFIXES(ScrollbarThemeAuraTest, ButtonSizeVertical);
FRIEND_TEST_ALL_PREFIXES(ScrollbarThemeAuraTest, NoButtonsReturnsSize0);
virtual bool hasScrollbarButtons(ScrollbarOrientation) const;
IntSize buttonSize(const ScrollbarThemeClient&);
};
} // namespace blink
#endif
|