window_finder_ash.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/views/tabs/window_finder.h"
6
7#include "ash/shell_window_ids.h"
8#include "ash/wm/coordinate_conversion.h"
9#include "ui/aura/root_window.h"
10#include "ui/aura/window.h"
11
12namespace {
13
14aura::Window* GetLocalProcessWindowAtPointImpl(
15    const gfx::Point& screen_point,
16    const std::set<gfx::NativeView>& ignore,
17    aura::Window* window) {
18  if (ignore.find(window) != ignore.end())
19    return NULL;
20
21  if (!window->IsVisible())
22    return NULL;
23
24  if (window->id() == ash::internal::kShellWindowId_PhantomWindow ||
25      window->id() == ash::internal::kShellWindowId_OverlayContainer)
26    return NULL;
27
28  if (window->layer()->type() == ui::LAYER_TEXTURED)
29    return window->GetBoundsInScreen().Contains(screen_point) ? window : NULL;
30
31  for (aura::Window::Windows::const_reverse_iterator i =
32           window->children().rbegin(); i != window->children().rend(); ++i) {
33    aura::Window* result =
34        GetLocalProcessWindowAtPointImpl(screen_point, ignore, *i);
35    if (result)
36      return result;
37  }
38  return NULL;
39}
40
41}  // namespace
42
43aura::Window* GetLocalProcessWindowAtPointAsh(
44    const gfx::Point& screen_point,
45    const std::set<aura::Window*>& ignore) {
46  return GetLocalProcessWindowAtPointImpl(
47      screen_point, ignore, ::ash::wm::GetRootWindowAt(screen_point));
48}
49