1// Copyright (c) 2011 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 "chrome/browser/printing/print_preview_tab_controller.h"
6#include "chrome/browser/tabs/tab_strip_model.h"
7#include "chrome/browser/ui/browser_list.h"
8#include "chrome/test/browser_with_test_window_test.h"
9#include "chrome/test/testing_profile.h"
10#include "content/browser/tab_contents/tab_contents.h"
11
12typedef BrowserWithTestWindowTest PrintPreviewTabControllerTest;
13
14// Create/Get a preview tab for initiator tab.
15TEST_F(PrintPreviewTabControllerTest, GetOrCreatePreviewTab) {
16  ASSERT_TRUE(browser());
17  BrowserList::SetLastActive(browser());
18  ASSERT_TRUE(BrowserList::GetLastActive());
19
20  // Lets start with one window with one tab.
21  EXPECT_EQ(1u, BrowserList::size());
22  EXPECT_EQ(0, browser()->tab_count());
23  browser()->NewTab();
24  EXPECT_EQ(1, browser()->tab_count());
25
26  // Create a reference to initiator tab contents.
27  TabContents* initiator_tab = browser()->GetSelectedTabContents();
28
29  scoped_refptr<printing::PrintPreviewTabController>
30      tab_controller(new printing::PrintPreviewTabController());
31  ASSERT_TRUE(tab_controller);
32
33  // Get the preview tab for initiator tab.
34  TabContents* preview_tab =
35      tab_controller->GetOrCreatePreviewTab(initiator_tab);
36
37  // New print preview tab is created. Current focus is on preview tab.
38  EXPECT_EQ(2, browser()->tab_count());
39  EXPECT_NE(initiator_tab, preview_tab);
40
41  // Activate initiator_tab.
42  initiator_tab->Activate();
43
44  // Get the print preview tab for initiator tab.
45  TabContents* new_preview_tab =
46      tab_controller->GetOrCreatePreviewTab(initiator_tab);
47
48  // Preview tab already exists. Tab count remains the same.
49  EXPECT_EQ(2, browser()->tab_count());
50
51  // 1:1 relationship between initiator and preview tab.
52  EXPECT_EQ(new_preview_tab, preview_tab);
53}
54
55// To show multiple print preview tabs exist in the same browser for
56// different initiator tabs. If preview tab already exists for an initiator, it
57// gets focused.
58TEST_F(PrintPreviewTabControllerTest, MultiplePreviewTabs) {
59  ASSERT_TRUE(browser());
60  BrowserList::SetLastActive(browser());
61  ASSERT_TRUE(BrowserList::GetLastActive());
62
63  // Lets start with one window and two tabs.
64  EXPECT_EQ(1u, BrowserList::size());
65  EXPECT_EQ(0, browser()->tab_count());
66
67  browser()->NewTab();
68  TabContents* tab_contents_1 = browser()->GetSelectedTabContents();
69  ASSERT_TRUE(tab_contents_1);
70
71  browser()->NewTab();
72  TabContents* tab_contents_2 = browser()->GetSelectedTabContents();
73  ASSERT_TRUE(tab_contents_2);
74  EXPECT_EQ(2, browser()->tab_count());
75
76  scoped_refptr<printing::PrintPreviewTabController>
77      tab_controller(new printing::PrintPreviewTabController());
78  ASSERT_TRUE(tab_controller);
79
80  // Create preview tab for |tab_contents_1|
81  TabContents* preview_tab_1 =
82      tab_controller->GetOrCreatePreviewTab(tab_contents_1);
83
84  EXPECT_NE(tab_contents_1, preview_tab_1);
85  EXPECT_EQ(3, browser()->tab_count());
86
87  // Create preview tab for |tab_contents_2|
88  TabContents* preview_tab_2 =
89      tab_controller->GetOrCreatePreviewTab(tab_contents_2);
90
91  EXPECT_NE(tab_contents_2, preview_tab_2);
92  // 2 initiator tab and 2 preview tabs exist in the same browser.
93  EXPECT_EQ(4, browser()->tab_count());
94
95  TabStripModel* model = browser()->tabstrip_model();
96  ASSERT_TRUE(model);
97
98  int preview_tab_1_index = model->GetWrapperIndex(preview_tab_1);
99  int preview_tab_2_index = model->GetWrapperIndex(preview_tab_2);
100
101  EXPECT_NE(-1, preview_tab_1_index);
102  EXPECT_NE(-1, preview_tab_2_index);
103  // Current tab is |preview_tab_2|.
104  EXPECT_EQ(preview_tab_2_index, browser()->active_index());
105
106  // Activate |tab_contents_1| tab.
107  tab_contents_1->Activate();
108
109  // When we get the preview tab for |tab_contents_1|,
110  // |preview_tab_1| is activated and focused.
111  tab_controller->GetOrCreatePreviewTab(tab_contents_1);
112  EXPECT_EQ(preview_tab_1_index, browser()->active_index());
113}
114