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
|
// Copyright (c) 2010 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 "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h"
#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/notification_type.h"
#include "ipc/ipc_message.h"
#include "ui/base/text/text_elider.h"
namespace {
// The maximum sizes of various texts passed to us from javascript.
const int kMessageTextMaxRows = 32;
const int kMessageTextMaxCols = 132;
const int kDefaultPromptTextSize = 2000;
} // namespace
JavaScriptAppModalDialog::JavaScriptAppModalDialog(
JavaScriptAppModalDialogDelegate* delegate,
const std::wstring& title,
int dialog_flags,
const std::wstring& message_text,
const std::wstring& default_prompt_text,
bool display_suppress_checkbox,
bool is_before_unload_dialog,
IPC::Message* reply_msg)
: AppModalDialog(delegate->AsTabContents(), title),
delegate_(delegate),
extension_host_(delegate->AsExtensionHost()),
dialog_flags_(dialog_flags),
display_suppress_checkbox_(display_suppress_checkbox),
is_before_unload_dialog_(is_before_unload_dialog),
reply_msg_(reply_msg) {
// We trim the various parts of the message dialog because otherwise we can
// overflow the message dialog (and crash/hang the GTK+ version).
string16 elided_text;
ui::ElideRectangleString(WideToUTF16(message_text),
kMessageTextMaxRows, kMessageTextMaxCols, &elided_text);
message_text_ = UTF16ToWide(elided_text);
ui::ElideString(WideToUTF16Hack(default_prompt_text), kDefaultPromptTextSize,
&default_prompt_text_);
DCHECK((tab_contents_ != NULL) != (extension_host_ != NULL));
InitNotifications();
}
JavaScriptAppModalDialog::~JavaScriptAppModalDialog() {
}
NativeAppModalDialog* JavaScriptAppModalDialog::CreateNativeDialog() {
gfx::NativeWindow parent_window = tab_contents_ ?
tab_contents_->GetMessageBoxRootWindow() :
extension_host_->GetMessageBoxRootWindow();
return NativeAppModalDialog::CreateNativeJavaScriptPrompt(this,
parent_window);
}
void JavaScriptAppModalDialog::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (skip_this_dialog_)
return;
if (NotificationType::EXTENSION_HOST_DESTROYED == type &&
Details<ExtensionHost>(extension_host_) != details)
return;
// If we reach here, we know the notification is relevant to us, either
// because we're only observing applicable sources or because we passed the
// check above. Both of those indicate that we should ignore this dialog.
// Also clear the delegate, since it's now invalid.
skip_this_dialog_ = true;
delegate_ = NULL;
if (native_dialog_)
CloseModalDialog();
}
void JavaScriptAppModalDialog::InitNotifications() {
// Make sure we get relevant navigation notifications so we know when our
// parent contents will disappear or navigate to a different page.
if (tab_contents_) {
registrar_.Add(this, NotificationType::NAV_ENTRY_COMMITTED,
Source<NavigationController>(&tab_contents_->controller()));
registrar_.Add(this, NotificationType::TAB_CONTENTS_DESTROYED,
Source<TabContents>(tab_contents_));
} else if (extension_host_) {
// EXTENSION_HOST_DESTROYED uses the Profile as its source, but we care
// about the ExtensionHost (which is passed in the details).
registrar_.Add(this, NotificationType::EXTENSION_HOST_DESTROYED,
NotificationService::AllSources());
} else {
NOTREACHED();
}
}
void JavaScriptAppModalDialog::OnCancel(bool suppress_js_messages) {
// If we are shutting down and this is an onbeforeunload dialog, cancel the
// shutdown.
if (is_before_unload_dialog_)
browser_shutdown::SetTryingToQuit(false);
// We need to do this before WM_DESTROY (WindowClosing()) as any parent frame
// will receive its activation messages before this dialog receives
// WM_DESTROY. The parent frame would then try to activate any modal dialogs
// that were still open in the ModalDialogQueue, which would send activation
// back to this one. The framework should be improved to handle this, so this
// is a temporary workaround.
CompleteDialog();
NotifyDelegate(false, L"", suppress_js_messages);
}
void JavaScriptAppModalDialog::OnAccept(const std::wstring& prompt_text,
bool suppress_js_messages) {
CompleteDialog();
NotifyDelegate(true, prompt_text, suppress_js_messages);
}
void JavaScriptAppModalDialog::OnClose() {
NotifyDelegate(false, L"", false);
}
void JavaScriptAppModalDialog::NotifyDelegate(bool success,
const std::wstring& prompt_text,
bool suppress_js_messages) {
if (skip_this_dialog_)
return;
delegate_->OnMessageBoxClosed(reply_msg_, success, prompt_text);
if (suppress_js_messages)
delegate_->SetSuppressMessageBoxes(true);
// On Views, we can end up coming through this code path twice :(.
// See crbug.com/63732.
skip_this_dialog_ = true;
}
|
