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// Copyright 2012 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/display/screen.h"
#include <utility>
#include "base/logging.h"
#include "ui/display/display.h"
#include "ui/display/types/display_constants.h"
#include "ui/gfx/geometry/rect.h"
namespace display {
namespace {
Screen* g_screen;
} // namespace
Screen::Screen() : display_id_for_new_windows_(kInvalidDisplayId) {}
Screen::~Screen() = default;
// static
Screen* Screen::GetScreen() {
#if defined(OS_MACOSX)
// TODO(scottmg): https://crbug.com/558054
if (!g_screen)
g_screen = CreateNativeScreen();
#endif
return g_screen;
}
// static
Screen* Screen::SetScreenInstance(Screen* instance) {
return std::exchange(g_screen, instance);
}
Display Screen::GetDisplayNearestView(gfx::NativeView view) const {
return GetDisplayNearestWindow(GetWindowForView(view));
}
display::Display Screen::GetDisplayForNewWindows() const {
display::Display display;
if (GetDisplayWithDisplayId(display_id_for_new_windows_, &display))
return display;
// Fallback to primary display.
return GetPrimaryDisplay();
}
void Screen::SetDisplayForNewWindows(int64_t display_id) {
// GetDisplayForNewWindows() handles invalid display ids.
display_id_for_new_windows_ = display_id;
}
gfx::Rect Screen::ScreenToDIPRectInWindow(gfx::NativeWindow window,
const gfx::Rect& screen_rect) const {
float scale = GetDisplayNearestWindow(window).device_scale_factor();
return ScaleToEnclosingRect(screen_rect, 1.0f / scale);
}
gfx::Rect Screen::DIPToScreenRectInWindow(gfx::NativeWindow window,
const gfx::Rect& dip_rect) const {
float scale = GetDisplayNearestWindow(window).device_scale_factor();
return ScaleToEnclosingRect(dip_rect, scale);
}
bool Screen::GetDisplayWithDisplayId(int64_t display_id,
Display* display) const {
for (const Display& display_in_list : GetAllDisplays()) {
if (display_in_list.id() == display_id) {
*display = display_in_list;
return true;
}
}
return false;
}
void Screen::SetPanelRotationForTesting(int64_t display_id,
Display::Rotation rotation) {
// Not implemented.
DCHECK(false);
}
std::string Screen::GetCurrentWorkspace() {
NOTIMPLEMENTED_LOG_ONCE();
return {};
}
} // namespace display
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