Revert "Remove aura and make a pure mojo::View version of the aura::Window FocusController."

sky/tools/debugger/focus_rules.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 "sky/tools/debugger/focus_rules.h"
+
+namespace sky {
+namespace debugger {
+
+FocusRules::FocusRules(mojo::WindowManagerApp* window_manager_app,
+                       mojo::View* content)
+    : content_(content),
+      window_manager_app_(window_manager_app) {
+}
+
+FocusRules::~FocusRules() {
+}
+
+bool FocusRules::IsToplevelWindow(aura::Window* window) const {
+  return mojo::WindowManagerApp::GetViewForWindow(window)->parent() == content_;
+}
+
+bool FocusRules::CanActivateWindow(aura::Window* window) const {
+  return mojo::WindowManagerApp::GetViewForWindow(window)->parent() == content_;
+}
+
+bool FocusRules::CanFocusWindow(aura::Window* window) const {
+  return true;
+}
+
+aura::Window* FocusRules::GetToplevelWindow(aura::Window* window) const {
+  mojo::View* view = mojo::WindowManagerApp::GetViewForWindow(window);
+  while (view->parent() != content_) {
+    view = view->parent();
+    if (!view)
+      return NULL;
+  }
+  return window_manager_app_->GetWindowForViewId(view->id());
+}
+
+aura::Window* FocusRules::GetActivatableWindow(aura::Window* window) const {
+  return GetToplevelWindow(window);
+}
+
+aura::Window* FocusRules::GetFocusableWindow(aura::Window* window) const {
+  return window;
+}
+
+aura::Window* FocusRules::GetNextActivatableWindow(aura::Window* ignore) const {
+  aura::Window* activatable = GetActivatableWindow(ignore);
+  const aura::Window::Windows& children = activatable->parent()->children();
+  for (aura::Window::Windows::const_reverse_iterator it = children.rbegin();
+       it != children.rend(); ++it) {
+    if (*it != ignore)
+      return *it;
+  }
+  return NULL;
+}
+
+}  // namespace debugger
+}  // namespace sky