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// 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 <algorithm>
#include "base/macros.h"
#include "cc/output/viewport_selection_bound.h"
#include "ui/base/touch/selection_bound.h"
#include "ui/gfx/geometry/point_conversions.h"
#include "ui/gfx/geometry/rect.h"
namespace ui {
namespace {
SelectionBound::Type ConvertToSelectionBoundType(cc::SelectionBoundType type) {
switch (type) {
case cc::SELECTION_BOUND_LEFT:
return SelectionBound::LEFT;
case cc::SELECTION_BOUND_RIGHT:
return SelectionBound::RIGHT;
case cc::SELECTION_BOUND_CENTER:
return SelectionBound::CENTER;
case cc::SELECTION_BOUND_EMPTY:
return SelectionBound::EMPTY;
}
NOTREACHED() << "Unknown selection bound type";
return SelectionBound::EMPTY;
}
} // namespace
SelectionBound::SelectionBound() : type_(EMPTY), visible_(false) {
}
SelectionBound::SelectionBound(const cc::ViewportSelectionBound& bound)
: type_(ConvertToSelectionBoundType(bound.type)),
visible_(bound.visible) {
if (type_ != EMPTY)
SetEdge(bound.edge_top, bound.edge_bottom);
}
SelectionBound::~SelectionBound() {
}
void SelectionBound::SetEdgeTop(const gfx::PointF& value) {
edge_top_ = value;
edge_top_rounded_ = gfx::ToRoundedPoint(value);
}
void SelectionBound::SetEdgeBottom(const gfx::PointF& value) {
edge_bottom_ = value;
edge_bottom_rounded_ = gfx::ToRoundedPoint(value);
}
void SelectionBound::SetEdge(const gfx::PointF& top,
const gfx::PointF& bottom) {
SetEdgeTop(top);
SetEdgeBottom(bottom);
}
int SelectionBound::GetHeight() const {
return edge_bottom_rounded_.y() - edge_top_rounded_.y();
}
bool operator==(const SelectionBound& lhs, const SelectionBound& rhs) {
return lhs.type() == rhs.type() && lhs.visible() == rhs.visible() &&
lhs.edge_top() == rhs.edge_top() &&
lhs.edge_bottom() == rhs.edge_bottom();
}
bool operator!=(const SelectionBound& lhs, const SelectionBound& rhs) {
return !(lhs == rhs);
}
gfx::Rect RectBetweenSelectionBounds(const SelectionBound& b1,
const SelectionBound& b2) {
gfx::Point top_left(b1.edge_top_rounded());
top_left.SetToMin(b1.edge_bottom_rounded());
top_left.SetToMin(b2.edge_top_rounded());
top_left.SetToMin(b2.edge_bottom_rounded());
gfx::Point bottom_right(b1.edge_top_rounded());
bottom_right.SetToMax(b1.edge_bottom_rounded());
bottom_right.SetToMax(b2.edge_top_rounded());
bottom_right.SetToMax(b2.edge_bottom_rounded());
gfx::Vector2d diff = bottom_right - top_left;
return gfx::Rect(top_left, gfx::Size(diff.x(), diff.y()));
}
} // namespace ui
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