1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
// Copyright (c) 2012 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 "base/memory/scoped_ptr.h"
#include "base/run_loop.h"
#include "chrome/browser/printing/print_preview_dialog_controller.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/print_messages.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/test/browser_test_utils.h"
#include "url/gurl.h"
#include "ipc/ipc_message_macros.h"
using content::WebContents;
using content::WebContentsObserver;
class RequestPrintPreviewObserver : public WebContentsObserver {
public:
explicit RequestPrintPreviewObserver(WebContents* dialog)
: WebContentsObserver(dialog) {
}
virtual ~RequestPrintPreviewObserver() {}
void set_quit_closure(const base::Closure& quit_closure) {
quit_closure_ = quit_closure;
}
private:
// content::WebContentsObserver implementation.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
IPC_BEGIN_MESSAGE_MAP(RequestPrintPreviewObserver, message)
IPC_MESSAGE_HANDLER(PrintHostMsg_RequestPrintPreview,
OnRequestPrintPreview)
IPC_MESSAGE_UNHANDLED(break;)
IPC_END_MESSAGE_MAP();
return false; // Report not handled so the real handler receives it.
}
void OnRequestPrintPreview(
const PrintHostMsg_RequestPrintPreview_Params& /* params */) {
base::MessageLoop::current()->PostTask(FROM_HERE, quit_closure_);
}
base::Closure quit_closure_;
DISALLOW_COPY_AND_ASSIGN(RequestPrintPreviewObserver);
};
class PrintPreviewDialogClonedObserver : public WebContentsObserver {
public:
explicit PrintPreviewDialogClonedObserver(WebContents* dialog)
: WebContentsObserver(dialog) {
}
virtual ~PrintPreviewDialogClonedObserver() {}
RequestPrintPreviewObserver* request_preview_dialog_observer() {
return request_preview_dialog_observer_.get();
}
private:
// content::WebContentsObserver implementation.
virtual void DidCloneToNewWebContents(
WebContents* old_web_contents,
WebContents* new_web_contents) OVERRIDE {
request_preview_dialog_observer_.reset(
new RequestPrintPreviewObserver(new_web_contents));
}
scoped_ptr<RequestPrintPreviewObserver> request_preview_dialog_observer_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewDialogClonedObserver);
};
class PrintPreviewDialogDestroyedObserver : public WebContentsObserver {
public:
explicit PrintPreviewDialogDestroyedObserver(WebContents* dialog)
: WebContentsObserver(dialog),
dialog_destroyed_(false) {
}
virtual ~PrintPreviewDialogDestroyedObserver() {}
bool dialog_destroyed() const { return dialog_destroyed_; }
private:
// content::WebContentsObserver implementation.
virtual void WebContentsDestroyed() OVERRIDE {
dialog_destroyed_ = true;
}
bool dialog_destroyed_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewDialogDestroyedObserver);
};
class PrintPreviewDialogControllerBrowserTest : public InProcessBrowserTest {
public:
PrintPreviewDialogControllerBrowserTest() : initiator_(NULL) {}
virtual ~PrintPreviewDialogControllerBrowserTest() {}
WebContents* initiator() {
return initiator_;
}
void PrintPreview() {
base::RunLoop run_loop;
request_preview_dialog_observer()->set_quit_closure(run_loop.QuitClosure());
chrome::Print(browser());
run_loop.Run();
}
WebContents* GetPrintPreviewDialog() {
printing::PrintPreviewDialogController* dialog_controller =
printing::PrintPreviewDialogController::GetInstance();
return dialog_controller->GetPrintPreviewForContents(initiator_);
}
private:
virtual void SetUpOnMainThread() OVERRIDE {
WebContents* first_tab =
browser()->tab_strip_model()->GetActiveWebContents();
ASSERT_TRUE(first_tab);
// Open a new tab so |cloned_tab_observer_| can see it first and attach a
// RequestPrintPreviewObserver to it before the real
// PrintPreviewMessageHandler gets created. Thus enabling
// RequestPrintPreviewObserver to get messages first for the purposes of
// this test.
cloned_tab_observer_.reset(new PrintPreviewDialogClonedObserver(first_tab));
chrome::DuplicateTab(browser());
initiator_ = browser()->tab_strip_model()->GetActiveWebContents();
ASSERT_TRUE(initiator_);
ASSERT_NE(first_tab, initiator_);
}
virtual void TearDownOnMainThread() OVERRIDE {
cloned_tab_observer_.reset();
initiator_ = NULL;
}
RequestPrintPreviewObserver* request_preview_dialog_observer() {
return cloned_tab_observer_->request_preview_dialog_observer();
}
scoped_ptr<PrintPreviewDialogClonedObserver> cloned_tab_observer_;
WebContents* initiator_;
DISALLOW_COPY_AND_ASSIGN(PrintPreviewDialogControllerBrowserTest);
};
// Test to verify that when a initiator navigates, we can create a new preview
// dialog for the new tab contents.
// http://crbug.com/377337
#if defined(OS_WIN)
#define MAYBE_NavigateFromInitiatorTab DISABLED_NavigateFromInitiatorTab
#else
#define MAYBE_NavigateFromInitiatorTab NavigateFromInitiatorTab
#endif
IN_PROC_BROWSER_TEST_F(PrintPreviewDialogControllerBrowserTest,
MAYBE_NavigateFromInitiatorTab) {
// print for the first time.
PrintPreview();
// Get the preview dialog for the initiator tab.
WebContents* preview_dialog = GetPrintPreviewDialog();
// Check a new print preview dialog got created.
ASSERT_TRUE(preview_dialog);
ASSERT_NE(initiator(), preview_dialog);
// Navigate in the initiator tab. Make sure navigating destroys the print
// preview dialog.
PrintPreviewDialogDestroyedObserver dialog_destroyed_observer(preview_dialog);
ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUINewTabURL));
ASSERT_TRUE(dialog_destroyed_observer.dialog_destroyed());
// Try printing again.
PrintPreview();
// Get the print preview dialog for the initiator tab.
WebContents* new_preview_dialog = GetPrintPreviewDialog();
// Check a new preview dialog got created.
EXPECT_TRUE(new_preview_dialog);
}
// Test to verify that after reloading the initiator, it creates a new print
// preview dialog.
// http://crbug.com/377337
#if defined(OS_WIN)
#define MAYBE_ReloadInitiatorTab DISABLED_ReloadInitiatorTab
#else
#define MAYBE_ReloadInitiatorTab ReloadInitiatorTab
#endif
IN_PROC_BROWSER_TEST_F(PrintPreviewDialogControllerBrowserTest,
MAYBE_ReloadInitiatorTab) {
// print for the first time.
PrintPreview();
WebContents* preview_dialog = GetPrintPreviewDialog();
// Check a new print preview dialog got created.
ASSERT_TRUE(preview_dialog);
ASSERT_NE(initiator(), preview_dialog);
// Reload the initiator. Make sure reloading destroys the print preview
// dialog.
PrintPreviewDialogDestroyedObserver dialog_destroyed_observer(preview_dialog);
chrome::Reload(browser(), CURRENT_TAB);
content::WaitForLoadStop(
browser()->tab_strip_model()->GetActiveWebContents());
ASSERT_TRUE(dialog_destroyed_observer.dialog_destroyed());
// Try printing again.
PrintPreview();
// Create a preview dialog for the initiator tab.
WebContents* new_preview_dialog = GetPrintPreviewDialog();
EXPECT_TRUE(new_preview_dialog);
}
|
