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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/system_display/display_info_provider.h"
#include "base/functional/bind.h"
#include "base/notimplemented.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
namespace extensions {
namespace {
// Converts Rotation enum to integer.
int RotationToDegrees(display::Display::Rotation rotation) {
switch (rotation) {
case display::Display::ROTATE_0:
return 0;
case display::Display::ROTATE_90:
return 90;
case display::Display::ROTATE_180:
return 180;
case display::Display::ROTATE_270:
return 270;
}
return 0;
}
} // namespace
// static
DisplayInfoProvider* DisplayInfoProvider::g_display_info_provider = nullptr;
DisplayInfoProvider::DisplayInfoProvider(display::Screen* screen)
: provided_screen_(screen) {
// Do not use/call on the screen object in this constructor yet because a
// subclass may pass not-yet-initialized screen instance.
}
DisplayInfoProvider::~DisplayInfoProvider() = default;
// static
void DisplayInfoProvider::InitializeForTesting(
DisplayInfoProvider* display_info_provider) {
if (g_display_info_provider) {
delete g_display_info_provider;
}
g_display_info_provider = display_info_provider;
}
// static
void DisplayInfoProvider::ResetForTesting() {
g_display_info_provider = nullptr;
}
// static
// Creates new DisplayUnitInfo struct for |display|.
api::system_display::DisplayUnitInfo DisplayInfoProvider::CreateDisplayUnitInfo(
const display::Display& display,
int64_t primary_display_id) {
api::system_display::DisplayUnitInfo unit;
const gfx::Rect& bounds = display.bounds();
const gfx::Rect& work_area = display.work_area();
unit.id = base::NumberToString(display.id());
unit.is_primary = (display.id() == primary_display_id);
unit.is_internal = display.IsInternal();
unit.active_state = display.detected()
? api::system_display::ActiveState::kActive
: api::system_display::ActiveState::kInactive;
unit.is_enabled = true;
unit.is_unified = false;
unit.rotation = RotationToDegrees(display.rotation());
unit.bounds.left = bounds.x();
unit.bounds.top = bounds.y();
unit.bounds.width = bounds.width();
unit.bounds.height = bounds.height();
unit.work_area.left = work_area.x();
unit.work_area.top = work_area.y();
unit.work_area.width = work_area.width();
unit.work_area.height = work_area.height();
unit.has_touch_support =
display.touch_support() == display::Display::TouchSupport::AVAILABLE;
unit.has_accelerometer_support =
display.accelerometer_support() ==
display::Display::AccelerometerSupport::AVAILABLE;
return unit;
}
void DisplayInfoProvider::SetDisplayProperties(
const std::string& display_id,
const api::system_display::DisplayProperties& properties,
ErrorCallback callback) {
NOTREACHED() << "SetDisplayProperties not implemented";
}
void DisplayInfoProvider::SetDisplayLayout(const DisplayLayoutList& layouts,
ErrorCallback callback) {
NOTREACHED() << "SetDisplayLayout not implemented";
}
void DisplayInfoProvider::EnableUnifiedDesktop(bool enable) {}
DisplayInfoProvider::DisplayUnitInfoList
DisplayInfoProvider::GetAllDisplaysInfoList(
const std::vector<display::Display>& displays,
int64_t primary_id) const {
DisplayUnitInfoList all_displays;
for (const display::Display& display : displays) {
api::system_display::DisplayUnitInfo unit =
CreateDisplayUnitInfo(display, primary_id);
all_displays.push_back(std::move(unit));
}
UpdateDisplayUnitInfoForPlatform(displays, all_displays);
return all_displays;
}
void DisplayInfoProvider::GetAllDisplaysInfo(
bool /* single_unified*/,
base::OnceCallback<void(DisplayUnitInfoList result)> callback) {
const display::Screen* screen =
provided_screen_ ? provided_screen_.get() : display::Screen::GetScreen();
int64_t primary_id = screen->GetPrimaryDisplay().id();
std::vector<display::Display> displays = screen->GetAllDisplays();
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE,
base::BindOnce(&DisplayInfoProvider::GetAllDisplaysInfoList,
base::Unretained(this), // `this` is a global singleton.
displays, primary_id),
std::move(callback));
}
void DisplayInfoProvider::GetDisplayLayout(
base::OnceCallback<void(DisplayLayoutList result)> callback) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
void DisplayInfoProvider::StartObserving() {
display_observer_.emplace(this);
}
void DisplayInfoProvider::StopObserving() {
display_observer_.reset();
}
bool DisplayInfoProvider::OverscanCalibrationStart(const std::string& id) {
return false;
}
bool DisplayInfoProvider::OverscanCalibrationAdjust(
const std::string& id,
const api::system_display::Insets& delta) {
return false;
}
bool DisplayInfoProvider::OverscanCalibrationReset(const std::string& id) {
return false;
}
bool DisplayInfoProvider::OverscanCalibrationComplete(const std::string& id) {
return false;
}
void DisplayInfoProvider::ShowNativeTouchCalibration(const std::string& id,
ErrorCallback callback) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
bool DisplayInfoProvider::StartCustomTouchCalibration(const std::string& id) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
bool DisplayInfoProvider::CompleteCustomTouchCalibration(
const api::system_display::TouchCalibrationPairQuad& pairs,
const api::system_display::Bounds& bounds) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
bool DisplayInfoProvider::ClearTouchCalibration(const std::string& id) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
void DisplayInfoProvider::SetMirrorMode(
const api::system_display::MirrorModeInfo& info,
ErrorCallback callback) {
NOTREACHED(); // Implemented on Chrome OS only in override.
}
void DisplayInfoProvider::UpdateDisplayUnitInfoForPlatform(
const std::vector<display::Display>& displays,
DisplayUnitInfoList& units) const {
NOTIMPLEMENTED_LOG_ONCE();
}
void DisplayInfoProvider::OnDisplayAdded(const display::Display& new_display) {
DispatchOnDisplayChangedEvent();
}
void DisplayInfoProvider::OnDisplaysRemoved(
const display::Displays& removed_displays) {
DispatchOnDisplayChangedEvent();
}
void DisplayInfoProvider::OnDisplayMetricsChanged(
const display::Display& display,
uint32_t metrics) {
DispatchOnDisplayChangedEvent();
}
} // namespace extensions
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