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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/check.h"
#include "base/notreached.h"
#include "base/time/time.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 = nullptr;
} // namespace
Screen::Screen() : display_id_for_new_windows_(kInvalidDisplayId) {}
Screen::~Screen() = default;
// static
Screen* Screen::GetScreen() {
#if defined(OS_APPLE)
// 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;
// Scoped value can override if it is set.
if (scoped_display_id_for_new_windows_ != kInvalidDisplayId &&
GetDisplayWithDisplayId(scoped_display_id_for_new_windows_, &display)) {
return 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;
}
void Screen::SetScreenSaverSuspended(bool suspend) {
NOTIMPLEMENTED_LOG_ONCE();
}
bool Screen::IsScreenSaverActive() const {
NOTIMPLEMENTED_LOG_ONCE();
return false;
}
base::TimeDelta Screen::CalculateIdleTime() const {
NOTIMPLEMENTED_LOG_ONCE();
return base::TimeDelta::FromSeconds(0);
}
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 {};
}
base::Value Screen::GetGpuExtraInfoAsListValue(
const gfx::GpuExtraInfo& gpu_extra_info) {
return base::Value(base::Value::Type::LIST);
}
void Screen::SetScopedDisplayForNewWindows(int64_t display_id) {
if (display_id == scoped_display_id_for_new_windows_)
return;
// Only allow set and clear, not switch.
DCHECK(display_id == kInvalidDisplayId ^
scoped_display_id_for_new_windows_ == kInvalidDisplayId)
<< "display_id=" << display_id << ", scoped_display_id_for_new_windows_="
<< scoped_display_id_for_new_windows_;
scoped_display_id_for_new_windows_ = display_id;
}
} // namespace display
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