mus: move View Manager to components/mus/vm

components/mus/window_manager_access_policy.cc

-// Copyright 2014 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 "components/mus/window_manager_access_policy.h"
-
-#include "components/mus/access_policy_delegate.h"
-#include "components/mus/server_view.h"
-
-namespace mus {
-
-// TODO(sky): document why this differs from default for each case. Maybe want
-// to subclass DefaultAccessPolicy.
-
-WindowManagerAccessPolicy::WindowManagerAccessPolicy(
-    ConnectionSpecificId connection_id,
-    AccessPolicyDelegate* delegate)
-    : connection_id_(connection_id), delegate_(delegate) {}
-
-WindowManagerAccessPolicy::~WindowManagerAccessPolicy() {}
-
-bool WindowManagerAccessPolicy::CanRemoveViewFromParent(
-    const ServerView* view) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::CanAddView(const ServerView* parent,
-                                           const ServerView* child) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::CanReorderView(
-    const ServerView* view,
-    const ServerView* relative_view,
-    mojo::OrderDirection direction) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::CanDeleteView(const ServerView* view) const {
-  return view->id().connection_id == connection_id_;
-}
-
-bool WindowManagerAccessPolicy::CanGetViewTree(const ServerView* view) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::CanDescendIntoViewForViewTree(
-    const ServerView* view) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::CanEmbed(const ServerView* view,
-                                         uint32_t policy_bitmask) const {
-  return !delegate_->IsRootForAccessPolicy(view->id());
-}
-
-bool WindowManagerAccessPolicy::CanChangeViewVisibility(
-    const ServerView* view) const {
-  // The WindowManager can change the visibility of the root too.
-  return view->id().connection_id == connection_id_ ||
-         (view->GetRoot() == view);
-}
-
-bool WindowManagerAccessPolicy::CanSetViewSurfaceId(
-    const ServerView* view) const {
-  if (delegate_->IsViewRootOfAnotherConnectionForAccessPolicy(view))
-    return false;
-  return view->id().connection_id == connection_id_ ||
-         (delegate_->IsRootForAccessPolicy(view->id()));
-}
-
-bool WindowManagerAccessPolicy::CanSetViewBounds(const ServerView* view) const {
-  return view->id().connection_id == connection_id_;
-}
-
-bool WindowManagerAccessPolicy::CanSetViewProperties(
-    const ServerView* view) const {
-  return view->id().connection_id == connection_id_;
-}
-
-bool WindowManagerAccessPolicy::CanSetViewTextInputState(
-    const ServerView* view) const {
-  return view->id().connection_id == connection_id_;
-}
-
-bool WindowManagerAccessPolicy::CanSetFocus(const ServerView* view) const {
-  return true;
-}
-
-bool WindowManagerAccessPolicy::ShouldNotifyOnHierarchyChange(
-    const ServerView* view,
-    const ServerView** new_parent,
-    const ServerView** old_parent) const {
-  // Notify if we've already told the window manager about the view, or if we've
-  // already told the window manager about the parent. The later handles the
-  // case of a view that wasn't parented to the root getting added to the root.
-  return IsViewKnown(view) || (*new_parent && IsViewKnown(*new_parent));
-}
-
-const ServerView* WindowManagerAccessPolicy::GetViewForFocusChange(
-    const ServerView* focused) {
-  return focused;
-}
-
-bool WindowManagerAccessPolicy::IsViewKnown(const ServerView* view) const {
-  return delegate_->IsViewKnownForAccessPolicy(view);
-}
-
-}  // namespace mus