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// Copyright 2014 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/shell/browser/shell_screen.h"
#include <stdint.h>
#include <vector>
#include "base/check.h"
#include "extensions/shell/browser/root_window_controller.h"
#include "extensions/shell/browser/shell_desktop_controller_aura.h"
#include "ui/aura/env.h"
#include "ui/aura/window.h"
#include "ui/aura/window_tree_host.h"
#include "ui/display/display.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_widget_types.h"
namespace extensions {
namespace {
const int64_t kDisplayId = 0;
} // namespace
ShellScreen::ShellScreen(ShellDesktopControllerAura* desktop_controller,
const gfx::Size& size)
: desktop_controller_(desktop_controller) {
DCHECK(!size.IsEmpty());
// Screen is positioned at (0,0).
display::Display display(kDisplayId);
gfx::Rect bounds(size);
display.SetScaleAndBounds(1.0f, bounds);
ProcessDisplayChanged(display, true /* is_primary */);
}
ShellScreen::~ShellScreen() {
DCHECK(!desktop_controller_ || !desktop_controller_->GetPrimaryHost())
<< "WindowTreeHost not closed before destroying ShellScreen";
}
void ShellScreen::OnHostResized(aura::WindowTreeHost* host) {
// Based on ash::WindowTreeHostManager.
display::Display display = GetDisplayNearestWindow(host->window());
display.SetSize(host->GetBoundsInPixels().size());
display_list().UpdateDisplay(display);
}
gfx::Point ShellScreen::GetCursorScreenPoint() {
return aura::Env::GetInstance()->last_mouse_location();
}
bool ShellScreen::IsWindowUnderCursor(gfx::NativeWindow window) {
return GetWindowAtScreenPoint(GetCursorScreenPoint()) == window;
}
gfx::NativeWindow ShellScreen::GetWindowAtScreenPoint(const gfx::Point& point) {
return desktop_controller_->GetPrimaryHost()
->window()
->GetEventHandlerForPoint(point);
}
display::Display ShellScreen::GetDisplayNearestWindow(
gfx::NativeWindow window) const {
return GetPrimaryDisplay();
}
} // namespace extensions
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