Mandoline: Rename components/view_manager to components/mus

components/view_manager/focus_controller_unittest.cc

-// Copyright 2015 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/view_manager/focus_controller.h"
-
-#include "components/view_manager/focus_controller_delegate.h"
-#include "components/view_manager/server_view.h"
-#include "components/view_manager/test_server_view_delegate.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace view_manager {
-namespace {
-
-class TestFocusControllerDelegate : public FocusControllerDelegate {
- public:
-  TestFocusControllerDelegate()
-      : change_count_(0u),
-        old_focused_view_(nullptr),
-        new_focused_view_(nullptr) {}
-
-  void ClearAll() {
-    change_count_ = 0u;
-    old_focused_view_ = nullptr;
-    new_focused_view_ = nullptr;
-  }
-  size_t change_count() const { return change_count_; }
-  ServerView* old_focused_view() { return old_focused_view_; }
-  ServerView* new_focused_view() { return new_focused_view_; }
-
- private:
-  // FocusControllerDelegate:
-  void OnFocusChanged(ServerView* old_focused_view,
-                      ServerView* new_focused_view) override {
-    change_count_++;
-    old_focused_view_ = old_focused_view;
-    new_focused_view_ = new_focused_view;
-  }
-
-  size_t change_count_;
-  ServerView* old_focused_view_;
-  ServerView* new_focused_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestFocusControllerDelegate);
-};
-
-}  // namespace
-
-TEST(FocusControllerTest, Basic) {
-  TestServerViewDelegate server_view_delegate;
-  ServerView root(&server_view_delegate, ViewId());
-  server_view_delegate.set_root_view(&root);
-  root.SetVisible(true);
-  ServerView child(&server_view_delegate, ViewId());
-  child.SetVisible(true);
-  root.Add(&child);
-  ServerView child_child(&server_view_delegate, ViewId());
-  child_child.SetVisible(true);
-  child.Add(&child_child);
-
-  TestFocusControllerDelegate focus_delegate;
-  FocusController focus_controller(&focus_delegate);
-
-  focus_controller.SetFocusedView(&child_child);
-  EXPECT_EQ(0u, focus_delegate.change_count());
-
-  // Remove the ancestor of the focused view, focus should go to the |root|.
-  root.Remove(&child);
-  EXPECT_EQ(1u, focus_delegate.change_count());
-  EXPECT_EQ(&root, focus_delegate.new_focused_view());
-  EXPECT_EQ(&child_child, focus_delegate.old_focused_view());
-  focus_delegate.ClearAll();
-
-  // Make the focused view invisible. Focus is lost in this case (as no one
-  // to give focus to).
-  root.SetVisible(false);
-  EXPECT_EQ(1u, focus_delegate.change_count());
-  EXPECT_EQ(nullptr, focus_delegate.new_focused_view());
-  EXPECT_EQ(&root, focus_delegate.old_focused_view());
-  focus_delegate.ClearAll();
-
-  // Go back to initial state and focus |child_child|.
-  root.SetVisible(true);
-  root.Add(&child);
-  focus_controller.SetFocusedView(&child_child);
-  EXPECT_EQ(0u, focus_delegate.change_count());
-
-  // Hide the focused view, focus should go to parent.
-  child_child.SetVisible(false);
-  EXPECT_EQ(1u, focus_delegate.change_count());
-  EXPECT_EQ(&child, focus_delegate.new_focused_view());
-  EXPECT_EQ(&child_child, focus_delegate.old_focused_view());
-  focus_delegate.ClearAll();
-
-  child_child.SetVisible(true);
-  focus_controller.SetFocusedView(&child_child);
-  EXPECT_EQ(0u, focus_delegate.change_count());
-
-  // Hide the parent of the focused view.
-  child.SetVisible(false);
-  EXPECT_EQ(1u, focus_delegate.change_count());
-  EXPECT_EQ(&root, focus_delegate.new_focused_view());
-  EXPECT_EQ(&child_child, focus_delegate.old_focused_view());
-  focus_delegate.ClearAll();
-}
-
-}  // namespace view_manager