flutter_flutter/viewer/cc/scrollbar_impl.cc
2014-10-23 11:17:19 -07:00

77 lines
2.0 KiB
C++

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sky/viewer/cc/scrollbar_impl.h"
#include "base/logging.h"
#include "sky/engine/public/platform/WebScrollbar.h"
#include "sky/engine/public/platform/WebScrollbarThemeGeometry.h"
using blink::WebScrollbar;
namespace sky_viewer_cc {
ScrollbarImpl::ScrollbarImpl(
scoped_ptr<WebScrollbar> scrollbar,
blink::WebScrollbarThemePainter painter,
scoped_ptr<blink::WebScrollbarThemeGeometry> geometry)
: scrollbar_(scrollbar.Pass()),
painter_(painter),
geometry_(geometry.Pass()) {
}
ScrollbarImpl::~ScrollbarImpl() {
}
cc::ScrollbarOrientation ScrollbarImpl::Orientation() const {
if (scrollbar_->orientation() == WebScrollbar::Horizontal)
return cc::HORIZONTAL;
return cc::VERTICAL;
}
bool ScrollbarImpl::IsLeftSideVerticalScrollbar() const {
return scrollbar_->isLeftSideVerticalScrollbar();
}
bool ScrollbarImpl::HasThumb() const {
return true;
};
bool ScrollbarImpl::IsOverlay() const {
return scrollbar_->isOverlay();
}
gfx::Point ScrollbarImpl::Location() const {
return scrollbar_->location();
}
int ScrollbarImpl::ThumbThickness() const {
gfx::Rect thumb_rect = geometry_->thumbRect();
if (scrollbar_->orientation() == WebScrollbar::Horizontal)
return thumb_rect.height();
return thumb_rect.width();
}
int ScrollbarImpl::ThumbLength() const {
gfx::Rect thumb_rect = geometry_->thumbRect();
if (scrollbar_->orientation() == WebScrollbar::Horizontal)
return thumb_rect.width();
return thumb_rect.height();
}
gfx::Rect ScrollbarImpl::TrackRect() const {
return geometry_->trackRect();
}
void ScrollbarImpl::PaintPart(SkCanvas* canvas,
cc::ScrollbarPart part,
const gfx::Rect& content_rect) {
if (part == cc::THUMB) {
painter_.paintThumb(canvas, content_rect);
return;
}
}
} // namespace sky_viewer_cc