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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/aura/client/screen_position_client.h"
#include "ui/base/class_property.h"
#include "ui/gfx/geometry/point_conversions.h"
DEFINE_UI_CLASS_PROPERTY_TYPE(aura::client::ScreenPositionClient*)
namespace aura {
namespace client {
DEFINE_UI_CLASS_PROPERTY_KEY(ScreenPositionClient*,
kScreenPositionClientKey,
nullptr)
void ScreenPositionClient::ConvertPointToScreen(const Window* window,
gfx::Point* point) {
gfx::PointF point_float(*point);
ConvertPointToScreen(window, &point_float);
*point = gfx::ToFlooredPoint(point_float);
}
void ScreenPositionClient::ConvertPointFromScreen(const Window* window,
gfx::Point* point) {
gfx::PointF point_float(*point);
ConvertPointFromScreen(window, &point_float);
*point = gfx::ToFlooredPoint(point_float);
}
void ScreenPositionClient::ConvertPointToRootWindowIgnoringTransforms(
const Window* window,
gfx::Point* point) {
DCHECK(window);
DCHECK(window->GetRootWindow());
Window* ancestor = const_cast<Window*>(window);
while (ancestor && !ancestor->IsRootWindow()) {
const gfx::Point origin = ancestor->bounds().origin();
point->Offset(origin.x(), origin.y());
ancestor = ancestor->parent();
}
}
void ScreenPositionClient::ConvertPointToScreenIgnoringTransforms(
const aura::Window* window,
gfx::Point* point) {
const aura::Window* root_window = window->GetRootWindow();
ConvertPointToRootWindowIgnoringTransforms(window, point);
gfx::Point origin = GetRootWindowOriginInScreen(root_window);
point->Offset(origin.x(), origin.y());
}
void SetScreenPositionClient(Window* root_window,
ScreenPositionClient* client) {
DCHECK_EQ(root_window->GetRootWindow(), root_window);
root_window->SetProperty(kScreenPositionClientKey, client);
}
ScreenPositionClient* GetScreenPositionClient(const Window* root_window) {
#if DCHECK_IS_ON()
if (root_window) {
DCHECK_EQ(root_window->GetRootWindow(), root_window);
}
#endif
return root_window ? root_window->GetProperty(kScreenPositionClientKey)
: nullptr;
}
} // namespace client
} // namespace aura
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