Move files from ui/views/corewm to ui/wm/core

ui/views/corewm/window_util.cc

-// Copyright (c) 2012 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/views/corewm/window_util.h"
-
-#include "ui/aura/client/activation_client.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/compositor/layer.h"
-#include "ui/compositor/layer_tree_owner.h"
-#include "ui/views/corewm/transient_window_manager.h"
-
-namespace {
-
-// Invokes RecreateLayer() on all the children of |to_clone|, adding the newly
-// cloned children to |parent|.
-//
-// WARNING: It is assumed that |parent| is ultimately owned by a LayerTreeOwner.
-void CloneChildren(ui::Layer* to_clone, ui::Layer* parent) {
-  typedef std::vector<ui::Layer*> Layers;
-  // Make a copy of the children since RecreateLayer() mutates it.
-  Layers children(to_clone->children());
-  for (Layers::const_iterator i = children.begin(); i != children.end(); ++i) {
-    ui::LayerOwner* owner = (*i)->owner();
-    ui::Layer* clone = owner ? owner->RecreateLayer().release() : NULL;
-    if (clone) {
-      parent->Add(clone);
-      // RecreateLayer() moves the existing children to the new layer. Create a
-      // copy of those.
-      CloneChildren(owner->layer(), clone);
-    }
-  }
-}
-
-}  // namespace
-
-namespace views {
-namespace corewm {
-
-void ActivateWindow(aura::Window* window) {
-  DCHECK(window);
-  DCHECK(window->GetRootWindow());
-  aura::client::GetActivationClient(window->GetRootWindow())->ActivateWindow(
-      window);
-}
-
-void DeactivateWindow(aura::Window* window) {
-  DCHECK(window);
-  DCHECK(window->GetRootWindow());
-  aura::client::GetActivationClient(window->GetRootWindow())->DeactivateWindow(
-      window);
-}
-
-bool IsActiveWindow(aura::Window* window) {
-  DCHECK(window);
-  if (!window->GetRootWindow())
-    return false;
-  aura::client::ActivationClient* client =
-      aura::client::GetActivationClient(window->GetRootWindow());
-  return client && client->GetActiveWindow() == window;
-}
-
-bool CanActivateWindow(aura::Window* window) {
-  DCHECK(window);
-  if (!window->GetRootWindow())
-    return false;
-  aura::client::ActivationClient* client =
-      aura::client::GetActivationClient(window->GetRootWindow());
-  return client && client->CanActivateWindow(window);
-}
-
-aura::Window* GetActivatableWindow(aura::Window* window) {
-  aura::client::ActivationClient* client =
-      aura::client::GetActivationClient(window->GetRootWindow());
-  return client ? client->GetActivatableWindow(window) : NULL;
-}
-
-aura::Window* GetToplevelWindow(aura::Window* window) {
-  aura::client::ActivationClient* client =
-      aura::client::GetActivationClient(window->GetRootWindow());
-  return client ? client->GetToplevelWindow(window) : NULL;
-}
-
-scoped_ptr<ui::LayerTreeOwner> RecreateLayers(ui::LayerOwner* root) {
-  scoped_ptr<ui::LayerTreeOwner> owner(
-      new ui::LayerTreeOwner(root->RecreateLayer().release()));
-  if (owner->root())
-    CloneChildren(root->layer(), owner->root());
-  return owner.Pass();
-}
-
-aura::Window* GetTransientParent(aura::Window* window) {
-  return const_cast<aura::Window*>(GetTransientParent(
-                                 const_cast<const aura::Window*>(window)));
-}
-
-const aura::Window* GetTransientParent(const aura::Window* window) {
-  const TransientWindowManager* manager = TransientWindowManager::Get(window);
-  return manager ? manager->transient_parent() : NULL;
-}
-
-const std::vector<aura::Window*>& GetTransientChildren(
-    const aura::Window* window) {
-  const TransientWindowManager* manager = TransientWindowManager::Get(window);
-  if (manager)
-    return manager->transient_children();
-
-  static std::vector<aura::Window*>* shared = new std::vector<aura::Window*>;
-  return *shared;
-}
-
-void AddTransientChild(aura::Window* parent, aura::Window* child) {
-  TransientWindowManager::Get(parent)->AddTransientChild(child);
-}
-
-void RemoveTransientChild(aura::Window* parent, aura::Window* child) {
-  TransientWindowManager::Get(parent)->RemoveTransientChild(child);
-}
-
-bool HasTransientAncestor(const aura::Window* window,
-                          const aura::Window* ancestor) {
-  const aura::Window* transient_parent = GetTransientParent(window);
-  if (transient_parent == ancestor)
-    return true;
-  return transient_parent ?
-      HasTransientAncestor(transient_parent, ancestor) : false;
-}
-
-}  // namespace corewm
-}  // namespace views