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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
// Copyright 2014 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/app_modal/javascript_dialog_manager.h"
#include "base/bind.h"
#include "base/i18n/rtl.h"
#include "base/strings/utf_string_conversions.h"
#include "components/app_modal/app_modal_dialog.h"
#include "components/app_modal/app_modal_dialog_queue.h"
#include "components/app_modal/javascript_app_modal_dialog.h"
#include "components/app_modal/javascript_dialog_extensions_client.h"
#include "components/app_modal/javascript_native_dialog_factory.h"
#include "components/app_modal/native_app_modal_dialog.h"
#include "components/url_formatter/url_formatter.h"
#include "content/public/common/javascript_message_type.h"
#include "grit/components_strings.h"
#include "net/base/net_util.h"
#include "ui/base/l10n/l10n_util.h"
namespace app_modal {
namespace {
class DefaultExtensionsClient : public JavaScriptDialogExtensionsClient {
public:
DefaultExtensionsClient() {}
~DefaultExtensionsClient() override {}
private:
// JavaScriptDialogExtensionsClient:
void OnDialogOpened(content::WebContents* web_contents) override {}
void OnDialogClosed(content::WebContents* web_contents) override {}
bool GetExtensionName(content::WebContents* web_contents,
const GURL& origin_url,
std::string* name_out) override {
return false;
}
DISALLOW_COPY_AND_ASSIGN(DefaultExtensionsClient);
};
bool ShouldDisplaySuppressCheckbox(
ChromeJavaScriptDialogExtraData* extra_data) {
return extra_data->has_already_shown_a_dialog_;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// JavaScriptDialogManager, public:
// static
JavaScriptDialogManager* JavaScriptDialogManager::GetInstance() {
return Singleton<JavaScriptDialogManager>::get();
}
void JavaScriptDialogManager::SetNativeDialogFactory(
scoped_ptr<JavaScriptNativeDialogFactory> factory) {
native_dialog_factory_ = factory.Pass();
}
void JavaScriptDialogManager::SetExtensionsClient(
scoped_ptr<JavaScriptDialogExtensionsClient> extensions_client) {
extensions_client_ = extensions_client.Pass();
}
////////////////////////////////////////////////////////////////////////////////
// JavaScriptDialogManager, private:
JavaScriptDialogManager::JavaScriptDialogManager()
: extensions_client_(new DefaultExtensionsClient) {
}
JavaScriptDialogManager::~JavaScriptDialogManager() {
}
void JavaScriptDialogManager::RunJavaScriptDialog(
content::WebContents* web_contents,
const GURL& origin_url,
const std::string& accept_lang,
content::JavaScriptMessageType message_type,
const base::string16& message_text,
const base::string16& default_prompt_text,
const DialogClosedCallback& callback,
bool* did_suppress_message) {
*did_suppress_message = false;
ChromeJavaScriptDialogExtraData* extra_data =
&javascript_dialog_extra_data_
[JavaScriptAppModalDialog::GetSerializedOriginForWebContents(
web_contents)];
if (extra_data->suppress_javascript_messages_) {
*did_suppress_message = true;
return;
}
bool is_alert = message_type == content::JAVASCRIPT_MESSAGE_TYPE_ALERT;
base::string16 dialog_title =
GetTitle(web_contents, origin_url, accept_lang, is_alert);
extensions_client_->OnDialogOpened(web_contents);
AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
web_contents,
&javascript_dialog_extra_data_,
dialog_title,
message_type,
message_text,
default_prompt_text,
ShouldDisplaySuppressCheckbox(extra_data),
false, // is_before_unload_dialog
false, // is_reload
base::Bind(&JavaScriptDialogManager::OnDialogClosed,
base::Unretained(this), web_contents, callback)));
}
void JavaScriptDialogManager::RunBeforeUnloadDialog(
content::WebContents* web_contents,
const base::string16& message_text,
bool is_reload,
const DialogClosedCallback& callback) {
ChromeJavaScriptDialogExtraData* extra_data =
&javascript_dialog_extra_data_
[JavaScriptAppModalDialog::GetSerializedOriginForWebContents(
web_contents)];
if (extra_data->suppress_javascript_messages_) {
// If a site harassed the user enough for them to put it on mute, then it
// lost its privilege to deny unloading.
callback.Run(true, base::string16());
return;
}
const base::string16 title = l10n_util::GetStringUTF16(is_reload ?
IDS_BEFORERELOAD_MESSAGEBOX_TITLE : IDS_BEFOREUNLOAD_MESSAGEBOX_TITLE);
const base::string16 footer = l10n_util::GetStringUTF16(is_reload ?
IDS_BEFORERELOAD_MESSAGEBOX_FOOTER : IDS_BEFOREUNLOAD_MESSAGEBOX_FOOTER);
base::string16 full_message =
message_text + base::ASCIIToUTF16("\n\n") + footer;
extensions_client_->OnDialogOpened(web_contents);
AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
web_contents,
&javascript_dialog_extra_data_,
title,
content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
full_message,
base::string16(), // default_prompt_text
ShouldDisplaySuppressCheckbox(extra_data),
true, // is_before_unload_dialog
is_reload,
base::Bind(&JavaScriptDialogManager::OnDialogClosed,
base::Unretained(this), web_contents, callback)));
}
bool JavaScriptDialogManager::HandleJavaScriptDialog(
content::WebContents* web_contents,
bool accept,
const base::string16* prompt_override) {
AppModalDialogQueue* dialog_queue = AppModalDialogQueue::GetInstance();
if (!dialog_queue->HasActiveDialog() ||
!dialog_queue->active_dialog()->IsJavaScriptModalDialog() ||
dialog_queue->active_dialog()->web_contents() != web_contents) {
return false;
}
JavaScriptAppModalDialog* dialog = static_cast<JavaScriptAppModalDialog*>(
dialog_queue->active_dialog());
if (accept) {
if (prompt_override)
dialog->SetOverridePromptText(*prompt_override);
dialog->native_dialog()->AcceptAppModalDialog();
} else {
dialog->native_dialog()->CancelAppModalDialog();
}
return true;
}
void JavaScriptDialogManager::ResetDialogState(
content::WebContents* web_contents) {
CancelActiveAndPendingDialogs(web_contents);
javascript_dialog_extra_data_.erase(
JavaScriptAppModalDialog::GetSerializedOriginForWebContents(
web_contents));
}
base::string16 JavaScriptDialogManager::GetTitle(
content::WebContents* web_contents,
const GURL& origin_url,
const std::string& accept_lang,
bool is_alert) {
// If the URL hasn't any host, return the default string.
if (!origin_url.has_host()) {
return l10n_util::GetStringUTF16(
is_alert ? IDS_JAVASCRIPT_ALERT_DEFAULT_TITLE
: IDS_JAVASCRIPT_MESSAGEBOX_DEFAULT_TITLE);
}
// For extensions, show the extension name, but only if the origin of
// the alert matches the top-level WebContents.
std::string name;
if (extensions_client_->GetExtensionName(web_contents, origin_url, &name))
return base::UTF8ToUTF16(name);
// Otherwise, return the formatted URL.
// In this case, force URL to have LTR directionality.
base::string16 url_string = url_formatter::FormatUrl(origin_url, accept_lang);
return l10n_util::GetStringFUTF16(
is_alert ? IDS_JAVASCRIPT_ALERT_TITLE
: IDS_JAVASCRIPT_MESSAGEBOX_TITLE,
base::i18n::GetDisplayStringInLTRDirectionality(url_string));
}
void JavaScriptDialogManager::CancelActiveAndPendingDialogs(
content::WebContents* web_contents) {
AppModalDialogQueue* queue = AppModalDialogQueue::GetInstance();
AppModalDialog* active_dialog = queue->active_dialog();
for (AppModalDialogQueue::iterator i = queue->begin();
i != queue->end(); ++i) {
// Invalidating the active dialog might trigger showing a not-yet
// invalidated dialog, so invalidate the active dialog last.
if ((*i) == active_dialog)
continue;
if ((*i)->web_contents() == web_contents)
(*i)->Invalidate();
}
if (active_dialog && active_dialog->web_contents() == web_contents)
active_dialog->Invalidate();
}
void JavaScriptDialogManager::OnDialogClosed(
content::WebContents* web_contents,
DialogClosedCallback callback,
bool success,
const base::string16& user_input) {
// If an extension opened this dialog then the extension may shut down its
// lazy background page after the dialog closes. (Dialogs are closed before
// their WebContents is destroyed so |web_contents| is still valid here.)
extensions_client_->OnDialogClosed(web_contents);
callback.Run(success, user_input);
}
} // namespace app_modal
|