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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "components/view_manager/server_view_drawn_tracker.h" | |
6 | |
7 #include "components/view_manager/server_view.h" | |
8 #include "components/view_manager/server_view_drawn_tracker_observer.h" | |
9 #include "components/view_manager/test_server_view_delegate.h" | |
10 #include "testing/gtest/include/gtest/gtest.h" | |
11 | |
12 namespace view_manager { | |
13 namespace { | |
14 | |
15 class TestServerViewDrawnTrackerObserver | |
16 : public ServerViewDrawnTrackerObserver { | |
17 public: | |
18 TestServerViewDrawnTrackerObserver() | |
19 : change_count_(0u), | |
20 ancestor_(nullptr), | |
21 view_(nullptr), | |
22 is_drawn_(false) {} | |
23 | |
24 void clear_change_count() { change_count_ = 0u; } | |
25 size_t change_count() const { return change_count_; } | |
26 const ServerView* ancestor() const { return ancestor_; } | |
27 const ServerView* view() const { return view_; } | |
28 bool is_drawn() const { return is_drawn_; } | |
29 | |
30 private: | |
31 // ServerViewDrawnTrackerObserver: | |
32 void OnDrawnStateChanged(ServerView* ancestor, | |
33 ServerView* view, | |
34 bool is_drawn) override { | |
35 change_count_++; | |
36 ancestor_ = ancestor; | |
37 view_ = view; | |
38 is_drawn_ = is_drawn; | |
39 } | |
40 | |
41 size_t change_count_; | |
42 const ServerView* ancestor_; | |
43 const ServerView* view_; | |
44 bool is_drawn_; | |
45 | |
46 DISALLOW_COPY_AND_ASSIGN(TestServerViewDrawnTrackerObserver); | |
47 }; | |
48 | |
49 } // namespace | |
50 | |
51 TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfDeletionAndVisibility) { | |
52 TestServerViewDelegate server_view_delegate; | |
53 scoped_ptr<ServerView> view(new ServerView(&server_view_delegate, ViewId())); | |
54 server_view_delegate.set_root_view(view.get()); | |
55 TestServerViewDrawnTrackerObserver drawn_observer; | |
56 ServerViewDrawnTracker tracker(view.get(), &drawn_observer); | |
57 view->SetVisible(true); | |
58 EXPECT_EQ(1u, drawn_observer.change_count()); | |
59 EXPECT_EQ(view.get(), drawn_observer.view()); | |
60 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
61 EXPECT_TRUE(drawn_observer.is_drawn()); | |
62 drawn_observer.clear_change_count(); | |
63 | |
64 view->SetVisible(false); | |
65 EXPECT_EQ(1u, drawn_observer.change_count()); | |
66 EXPECT_EQ(view.get(), drawn_observer.view()); | |
67 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
68 EXPECT_FALSE(drawn_observer.is_drawn()); | |
69 drawn_observer.clear_change_count(); | |
70 | |
71 view->SetVisible(true); | |
72 EXPECT_EQ(1u, drawn_observer.change_count()); | |
73 EXPECT_EQ(view.get(), drawn_observer.view()); | |
74 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
75 EXPECT_TRUE(drawn_observer.is_drawn()); | |
76 drawn_observer.clear_change_count(); | |
77 | |
78 view.reset(); | |
79 EXPECT_EQ(1u, drawn_observer.change_count()); | |
80 EXPECT_EQ(view.get(), drawn_observer.view()); | |
81 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
82 EXPECT_FALSE(drawn_observer.is_drawn()); | |
83 } | |
84 | |
85 TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfRemovingFromRoot) { | |
86 TestServerViewDelegate server_view_delegate; | |
87 ServerView root(&server_view_delegate, ViewId()); | |
88 server_view_delegate.set_root_view(&root); | |
89 root.SetVisible(true); | |
90 ServerView child(&server_view_delegate, ViewId()); | |
91 child.SetVisible(true); | |
92 root.Add(&child); | |
93 | |
94 TestServerViewDrawnTrackerObserver drawn_observer; | |
95 ServerViewDrawnTracker tracker(&child, &drawn_observer); | |
96 root.Remove(&child); | |
97 EXPECT_EQ(1u, drawn_observer.change_count()); | |
98 EXPECT_EQ(&child, drawn_observer.view()); | |
99 EXPECT_EQ(&root, drawn_observer.ancestor()); | |
100 EXPECT_FALSE(drawn_observer.is_drawn()); | |
101 drawn_observer.clear_change_count(); | |
102 | |
103 root.Add(&child); | |
104 EXPECT_EQ(1u, drawn_observer.change_count()); | |
105 EXPECT_EQ(&child, drawn_observer.view()); | |
106 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
107 EXPECT_TRUE(drawn_observer.is_drawn()); | |
108 } | |
109 | |
110 TEST(ServerViewDrawnTrackerTest, ChangeBecauseOfRemovingAncestorFromRoot) { | |
111 TestServerViewDelegate server_view_delegate; | |
112 ServerView root(&server_view_delegate, ViewId()); | |
113 server_view_delegate.set_root_view(&root); | |
114 root.SetVisible(true); | |
115 ServerView child(&server_view_delegate, ViewId()); | |
116 child.SetVisible(true); | |
117 root.Add(&child); | |
118 | |
119 ServerView child_child(&server_view_delegate, ViewId()); | |
120 child_child.SetVisible(true); | |
121 child.Add(&child_child); | |
122 | |
123 TestServerViewDrawnTrackerObserver drawn_observer; | |
124 ServerViewDrawnTracker tracker(&child_child, &drawn_observer); | |
125 root.Remove(&child); | |
126 EXPECT_EQ(1u, drawn_observer.change_count()); | |
127 EXPECT_EQ(&child_child, drawn_observer.view()); | |
128 EXPECT_EQ(&root, drawn_observer.ancestor()); | |
129 EXPECT_FALSE(drawn_observer.is_drawn()); | |
130 drawn_observer.clear_change_count(); | |
131 | |
132 root.Add(&child_child); | |
133 EXPECT_EQ(1u, drawn_observer.change_count()); | |
134 EXPECT_EQ(&child_child, drawn_observer.view()); | |
135 EXPECT_EQ(nullptr, drawn_observer.ancestor()); | |
136 EXPECT_TRUE(drawn_observer.is_drawn()); | |
137 } | |
138 | |
139 } // namespace view_manager | |
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