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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/chromeos/point_transformer.h"
#include "ash/display/mirror_window_controller.h"
#include "ash/display/window_tree_host_manager.h"
#include "ash/host/ash_window_tree_host.h"
#include "ash/shell.h"
#include "ash/wm/window_util.h"
#include "base/check.h"
#include "base/check_deref.h"
#include "ui/aura/window_tree_host.h"
#include "ui/display/display_finder.h"
#include "ui/display/display_layout.h"
#include "ui/display/manager/display_manager.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/wm/core/coordinate_conversion.h"
namespace remoting {
namespace {
gfx::PointF ConvertScreenDIPToWindowDIP(const aura::Window& window,
gfx::PointF location_in_screen_in_dip) {
gfx::PointF result(location_in_screen_in_dip);
wm::ConvertPointFromScreen(&window, &result);
return result;
}
gfx::PointF ConvertWindowDIPToScreenDIP(const aura::Window& window,
gfx::PointF location_in_window_in_dip) {
gfx::PointF result(location_in_window_in_dip);
wm::ConvertPointToScreen(&window, &result);
return result;
}
gfx::PointF ConvertWindowDIPtoWindowPixels(
const aura::Window& window,
gfx::PointF location_in_window_in_dip) {
gfx::PointF result(location_in_window_in_dip);
window.GetHost()->ConvertDIPToPixels(&result);
return result;
}
gfx::PointF ConvertWindowPixelsToWindowDIP(
const aura::Window& window,
gfx::PointF location_in_window_in_pixels) {
gfx::PointF result(location_in_window_in_pixels);
window.GetHost()->ConvertPixelsToDIP(&result);
return result;
}
gfx::PointF ConvertWindowPixelsToScreenPixels(
const aura::Window& window,
gfx::PointF location_in_window_in_pixels) {
return location_in_window_in_pixels +
window.GetHost()->GetBoundsInPixels().OffsetFromOrigin();
}
bool IsInUnifiedDesktop() {
return ash::Shell::Get()->display_manager()->IsInUnifiedMode();
}
const display::Displays& PhysicalDisplaysInUnifiedDesktop() {
return ash::Shell::Get()
->display_manager()
->software_mirroring_display_list();
}
const display::Display& NearestDisplayInUnifiedDesktop(gfx::PointF point) {
const display::Display& display =
CHECK_DEREF(display::FindDisplayNearestPoint(
PhysicalDisplaysInUnifiedDesktop(), gfx::ToRoundedPoint(point)));
CHECK(display.is_valid());
return display;
}
const aura::Window& GetUnifiedDesktopRootWindowAt(gfx::PointF point) {
const display::Display& display = NearestDisplayInUnifiedDesktop(point);
aura::Window* window = ash::Shell::Get()
->window_tree_host_manager()
->mirror_window_controller()
->GetAshWindowTreeHostForDisplayId(display.id())
->AsWindowTreeHost()
->window();
return CHECK_DEREF(window);
}
const aura::Window& GetRootWindowAt(gfx::PointF point) {
if (IsInUnifiedDesktop()) {
return GetUnifiedDesktopRootWindowAt(point);
}
const aura::Window* window =
ash::window_util::GetRootWindowAt(gfx::ToRoundedPoint(point));
return CHECK_DEREF(window);
}
} // namespace
// static
gfx::PointF PointTransformer::ConvertScreenInDipToScreenInPixel(
gfx::PointF location_in_screen_in_dip) {
const aura::Window& window = GetRootWindowAt(location_in_screen_in_dip);
gfx::PointF location_in_window_in_dip =
ConvertScreenDIPToWindowDIP(window, location_in_screen_in_dip);
gfx::PointF location_in_window_in_pixels =
ConvertWindowDIPtoWindowPixels(window, location_in_window_in_dip);
gfx::PointF location_in_screen_in_pixel =
ConvertWindowPixelsToScreenPixels(window, location_in_window_in_pixels);
return location_in_screen_in_pixel;
}
// static
gfx::PointF PointTransformer::ConvertWindowInPixelToScreenInDip(
const aura::Window& window,
gfx::PointF location_in_window_in_pixels) {
gfx::PointF location_in_window_in_dip =
ConvertWindowPixelsToWindowDIP(window, location_in_window_in_pixels);
gfx::PointF location_in_screen_in_dip =
ConvertWindowDIPToScreenDIP(window, location_in_window_in_dip);
return location_in_screen_in_dip;
}
} // namespace remoting
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