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// Copyright 2018 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 "ui/keyboard/display_util.h"
#include "ui/aura/window.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/display/types/display_constants.h"
namespace {
constexpr int kWindowMargin = 10;
} // namespace
namespace keyboard {
DisplayUtil::DisplayUtil() {}
int64_t DisplayUtil::GetNearestDisplayIdToWindow(aura::Window* window) const {
return GetNearestDisplayToWindow(window).id();
}
display::Display DisplayUtil::GetNearestDisplayToWindow(
aura::Window* window) const {
return display::Screen::GetScreen()->GetDisplayNearestWindow(window);
}
display::Display DisplayUtil::FindAdjacentDisplayIfPointIsNearMargin(
const display::Display& current_display,
const gfx::Point& point_in_local) const {
const gfx::Rect current_bounds = current_display.bounds();
const gfx::Point point =
point_in_local + current_display.bounds().origin().OffsetFromOrigin();
int representative_x = point.x();
int representative_y = point.y();
int current_left = current_bounds.x();
int current_right = current_left + current_bounds.width();
int current_top = current_bounds.y();
int current_bottom = current_top + current_bounds.height();
// If the point is close to
if (point.x() - current_left <= kWindowMargin) {
representative_x = current_left - kWindowMargin;
} else if (current_right - point.x() <= kWindowMargin) {
representative_x = current_right + kWindowMargin;
} else if (point.y() - current_top <= kWindowMargin) {
representative_y = current_top - kWindowMargin;
} else if (current_bottom - point.y() <= kWindowMargin) {
representative_y = current_bottom + kWindowMargin;
} else {
return current_display;
}
for (const display::Display& display :
display::Screen::GetScreen()->GetAllDisplays()) {
const gfx::Rect& new_bounds = display.work_area();
if (display.touch_support() == display::Display::TouchSupport::AVAILABLE &&
display.id() != current_display.id() &&
new_bounds.Contains(representative_x, representative_y)) {
return display;
}
}
return current_display;
}
} // namespace keyboard
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