| // 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/server_view_drawn_tracker.h" |
| |
| #include "components/view_manager/server_view.h" |
| #include "components/view_manager/server_view_drawn_tracker_observer.h" |
| #include "components/view_manager/test_server_view_delegate.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace view_manager { |
| namespace { |
| |
| class TestServerViewDrawnTrackerObserver |
| : public ServerViewDrawnTrackerObserver { |
| public: |
| TestServerViewDrawnTrackerObserver() |
| : change_count_(0u), |
| ancestor_(nullptr), |
| view_(nullptr), |
| is_drawn_(false) {} |
| |
| void clear_change_count() { change_count_ = 0u; } |
| size_t change_count() const { return change_count_; } |
| const ServerView* ancestor() const { return ancestor_; } |
| const ServerView* view() const { return view_; } |
| bool is_drawn() const { return is_drawn_; } |
| |
| private: |
| // ServerViewDrawnTrackerObserver: |
| void OnDrawnStateChanged(ServerView* ancestor, |
| ServerView* view, |
| bool is_drawn) override { |
| change_count_++; |
| ancestor_ = ancestor; |
| view_ = view; |
| is_drawn_ = is_drawn; |
| } |
| |
| size_t change_count_; |
| const ServerView* ancestor_; |
| const ServerView* view_; |
| bool is_drawn_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TestServerViewDrawnTrackerObserver); |
| }; |
| |
| } // namespace |
| |
| TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfDeletionAndVisibility) { |
| TestServerViewDelegate server_view_delegate; |
| scoped_ptr<ServerView> view(new ServerView(&server_view_delegate, ViewId())); |
| server_view_delegate.set_root_view(view.get()); |
| TestServerViewDrawnTrackerObserver drawn_observer; |
| ServerViewDrawnTracker tracker(view.get(), &drawn_observer); |
| view->SetVisible(true); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(view.get(), drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_TRUE(drawn_observer.is_drawn()); |
| drawn_observer.clear_change_count(); |
| |
| view->SetVisible(false); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(view.get(), drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_FALSE(drawn_observer.is_drawn()); |
| drawn_observer.clear_change_count(); |
| |
| view->SetVisible(true); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(view.get(), drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_TRUE(drawn_observer.is_drawn()); |
| drawn_observer.clear_change_count(); |
| |
| view.reset(); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(view.get(), drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_FALSE(drawn_observer.is_drawn()); |
| } |
| |
| TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfRemovingFromRoot) { |
| 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); |
| |
| TestServerViewDrawnTrackerObserver drawn_observer; |
| ServerViewDrawnTracker tracker(&child, &drawn_observer); |
| root.Remove(&child); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(&child, drawn_observer.view()); |
| EXPECT_EQ(&root, drawn_observer.ancestor()); |
| EXPECT_FALSE(drawn_observer.is_drawn()); |
| drawn_observer.clear_change_count(); |
| |
| root.Add(&child); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(&child, drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_TRUE(drawn_observer.is_drawn()); |
| } |
| |
| TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfRemovingAncestorFromRoot) { |
| 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); |
| |
| TestServerViewDrawnTrackerObserver drawn_observer; |
| ServerViewDrawnTracker tracker(&child_child, &drawn_observer); |
| root.Remove(&child); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(&child_child, drawn_observer.view()); |
| EXPECT_EQ(&root, drawn_observer.ancestor()); |
| EXPECT_FALSE(drawn_observer.is_drawn()); |
| drawn_observer.clear_change_count(); |
| |
| root.Add(&child_child); |
| EXPECT_EQ(1u, drawn_observer.change_count()); |
| EXPECT_EQ(&child_child, drawn_observer.view()); |
| EXPECT_EQ(nullptr, drawn_observer.ancestor()); |
| EXPECT_TRUE(drawn_observer.is_drawn()); |
| } |
| |
| } // namespace view_manager |