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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/display/display_util.h"
#include "build/build_config.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/gfx/icc_profile.h"
namespace display {
// static
void DisplayUtil::DisplayToScreenInfo(ScreenInfo* screen_info,
const Display& display) {
screen_info->rect = display.bounds();
// TODO(husky): Remove any Android system controls from availableRect.
screen_info->available_rect = display.work_area();
screen_info->device_scale_factor = display.device_scale_factor();
screen_info->display_color_spaces = display.color_spaces();
screen_info->depth = display.color_depth();
screen_info->depth_per_component = display.depth_per_component();
screen_info->is_monochrome = display.is_monochrome();
screen_info->display_frequency = display.display_frequency();
// TODO(https://crbug.com/998131): Expose panel orientation via a proper web
// API instead of window.screen.orientation.angle.
screen_info->orientation_angle = display.PanelRotationAsDegree();
#if defined(USE_AURA)
// The Display rotation and the ScreenInfo orientation are not the same
// angle. The former is the physical display rotation while the later is the
// rotation required by the content to be shown properly on the screen, in
// other words, relative to the physical display.
// Spec: https://w3c.github.io/screen-orientation/#dom-screenorientation-angle
// TODO(ccameron): Should this apply to macOS? Should this be reconciled at a
// higher level (say, in conversion to ScreenInfo)?
if (screen_info->orientation_angle == 90)
screen_info->orientation_angle = 270;
else if (screen_info->orientation_angle == 270)
screen_info->orientation_angle = 90;
#endif
#if defined(OS_ANDROID)
screen_info->orientation_type = GetOrientationTypeForMobile(display);
#else
screen_info->orientation_type = GetOrientationTypeForDesktop(display);
#endif
// TODO(crbug.com/1194700 and crbug.com/1182855): Use cross-process screen
// info caches, not local-process info, for child frames and Mac's shim.
auto* screen = Screen::GetScreen();
// Some tests are run with no Screen initialized.
screen_info->is_extended = screen && screen->GetNumDisplays() > 1;
screen_info->is_primary =
screen && (screen->GetPrimaryDisplay().id() == display.id());
screen_info->is_internal = display.IsInternal();
screen_info->display_id = display.id();
}
// static
void DisplayUtil::GetDefaultScreenInfo(ScreenInfo* screen_info) {
return GetNativeViewScreenInfo(screen_info, nullptr);
}
// static
void DisplayUtil::GetNativeViewScreenInfo(ScreenInfo* screen_info,
gfx::NativeView native_view) {
// Some tests are run with no Screen initialized.
Screen* screen = Screen::GetScreen();
if (!screen) {
*screen_info = ScreenInfo();
return;
}
Display display = native_view ? screen->GetDisplayNearestView(native_view)
: screen->GetPrimaryDisplay();
DisplayToScreenInfo(screen_info, display);
}
// static
mojom::ScreenOrientation DisplayUtil::GetOrientationTypeForMobile(
const Display& display) {
int angle = display.PanelRotationAsDegree();
const gfx::Rect& bounds = display.bounds();
// Whether the device's natural orientation is portrait.
bool natural_portrait = false;
if (angle == 0 || angle == 180) // The device is in its natural orientation.
natural_portrait = bounds.height() >= bounds.width();
else
natural_portrait = bounds.height() <= bounds.width();
switch (angle) {
case 0:
return natural_portrait ? mojom::ScreenOrientation::kPortraitPrimary
: mojom::ScreenOrientation::kLandscapePrimary;
case 90:
return natural_portrait ? mojom::ScreenOrientation::kLandscapePrimary
: mojom::ScreenOrientation::kPortraitSecondary;
case 180:
return natural_portrait ? mojom::ScreenOrientation::kPortraitSecondary
: mojom::ScreenOrientation::kLandscapeSecondary;
case 270:
return natural_portrait ? mojom::ScreenOrientation::kLandscapeSecondary
: mojom::ScreenOrientation::kPortraitPrimary;
default:
NOTREACHED();
return mojom::ScreenOrientation::kPortraitPrimary;
}
}
// static
mojom::ScreenOrientation DisplayUtil::GetOrientationTypeForDesktop(
const Display& display) {
static int primary_landscape_angle = -1;
static int primary_portrait_angle = -1;
int angle = display.PanelRotationAsDegree();
const gfx::Rect& bounds = display.bounds();
bool is_portrait = bounds.height() >= bounds.width();
if (is_portrait && primary_portrait_angle == -1)
primary_portrait_angle = angle;
if (!is_portrait && primary_landscape_angle == -1)
primary_landscape_angle = angle;
if (is_portrait) {
return primary_portrait_angle == angle
? mojom::ScreenOrientation::kPortraitPrimary
: mojom::ScreenOrientation::kPortraitSecondary;
}
return primary_landscape_angle == angle
? mojom::ScreenOrientation::kLandscapePrimary
: mojom::ScreenOrientation::kLandscapeSecondary;
}
} // namespace display
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