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// Copyright 2016 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_base.h"
#include "ui/display/display_finder.h"
namespace display {
ScreenBase::ScreenBase() {}
ScreenBase::~ScreenBase() {}
gfx::Point ScreenBase::GetCursorScreenPoint() {
NOTIMPLEMENTED_LOG_ONCE();
return gfx::Point();
}
bool ScreenBase::IsWindowUnderCursor(gfx::NativeWindow window) {
NOTIMPLEMENTED_LOG_ONCE();
return false;
}
gfx::NativeWindow ScreenBase::GetWindowAtScreenPoint(const gfx::Point& point) {
NOTIMPLEMENTED_LOG_ONCE();
return nullptr;
}
Display ScreenBase::GetPrimaryDisplay() const {
auto iter = display_list_.GetPrimaryDisplayIterator();
if (iter == display_list_.displays().end())
return Display(); // Invalid display since we have no primary display.
return *iter;
}
Display ScreenBase::GetDisplayNearestWindow(gfx::NativeWindow window) const {
// TODO(riajiang): Implement this for multi-displays either here or in
// ScreenMus.
NOTIMPLEMENTED_LOG_ONCE();
return GetPrimaryDisplay();
}
Display ScreenBase::GetDisplayNearestPoint(const gfx::Point& point) const {
return *FindDisplayNearestPoint(display_list_.displays(), point);
}
int ScreenBase::GetNumDisplays() const {
return static_cast<int>(display_list_.displays().size());
}
const std::vector<Display>& ScreenBase::GetAllDisplays() const {
return display_list_.displays();
}
Display ScreenBase::GetDisplayMatching(const gfx::Rect& match_rect) const {
if (match_rect.IsEmpty())
return GetDisplayNearestPoint(match_rect.origin());
const Display* match =
FindDisplayWithBiggestIntersection(display_list_.displays(), match_rect);
return match ? *match : GetPrimaryDisplay();
}
void ScreenBase::AddObserver(DisplayObserver* observer) {
display_list_.AddObserver(observer);
}
void ScreenBase::RemoveObserver(DisplayObserver* observer) {
display_list_.RemoveObserver(observer);
}
void ScreenBase::ProcessDisplayChanged(const Display& changed_display,
bool is_primary) {
if (display_list_.FindDisplayById(changed_display.id()) ==
display_list_.displays().end()) {
display_list_.AddDisplay(changed_display,
is_primary ? DisplayList::Type::PRIMARY
: DisplayList::Type::NOT_PRIMARY);
return;
}
display_list_.UpdateDisplay(
changed_display,
is_primary ? DisplayList::Type::PRIMARY : DisplayList::Type::NOT_PRIMARY);
}
} // namespace display
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