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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/ui/gtk/js_modal_dialog_gtk.h"
6 
7 #include <gtk/gtk.h>
8 
9 #include "base/logging.h"
10 #include "base/utf_string_conversions.h"
11 #include "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h"
12 #include "chrome/browser/ui/gtk/gtk_util.h"
13 #include "grit/generated_resources.h"
14 #include "grit/locale_settings.h"
15 #include "ui/base/l10n/l10n_util.h"
16 #include "ui/base/message_box_flags.h"
17 
18 namespace {
19 
20 // We stash pointers to widgets on the gtk_dialog so we can refer to them
21 // after dialog creation.
22 const char kPromptTextId[] = "chrome_prompt_text";
23 const char kSuppressCheckboxId[] = "chrome_suppress_checkbox";
24 
25 // If there's a text entry in the dialog, get the text from the first one and
26 // return it.
GetPromptText(GtkDialog * dialog)27 std::wstring GetPromptText(GtkDialog* dialog) {
28   GtkWidget* widget = static_cast<GtkWidget*>(
29       g_object_get_data(G_OBJECT(dialog), kPromptTextId));
30   if (widget)
31     return UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(widget)));
32   return std::wstring();
33 }
34 
35 // If there's a toggle button in the dialog, return the toggled state.
36 // Otherwise, return false.
ShouldSuppressJSDialogs(GtkDialog * dialog)37 bool ShouldSuppressJSDialogs(GtkDialog* dialog) {
38   GtkWidget* widget = static_cast<GtkWidget*>(
39       g_object_get_data(G_OBJECT(dialog), kSuppressCheckboxId));
40   if (widget)
41     return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
42   return false;
43 }
44 
45 }  // namespace
46 
47 ////////////////////////////////////////////////////////////////////////////////
48 // JSModalDialogGtk, public:
49 
JSModalDialogGtk(JavaScriptAppModalDialog * dialog,gfx::NativeWindow parent_window)50 JSModalDialogGtk::JSModalDialogGtk(JavaScriptAppModalDialog* dialog,
51                                    gfx::NativeWindow parent_window)
52     : dialog_(dialog) {
53   GtkButtonsType buttons = GTK_BUTTONS_NONE;
54   GtkMessageType message_type = GTK_MESSAGE_OTHER;
55 
56   // We add in the OK button manually later because we want to focus it
57   // explicitly.
58   switch (dialog_->dialog_flags()) {
59     case ui::MessageBoxFlags::kIsJavascriptAlert:
60       buttons = GTK_BUTTONS_NONE;
61       message_type = GTK_MESSAGE_WARNING;
62       break;
63 
64     case ui::MessageBoxFlags::kIsJavascriptConfirm:
65       if (dialog_->is_before_unload_dialog()) {
66         // onbeforeunload also uses a confirm prompt, it just has custom
67         // buttons.  We add the buttons using gtk_dialog_add_button below.
68         buttons = GTK_BUTTONS_NONE;
69       } else {
70         buttons = GTK_BUTTONS_CANCEL;
71       }
72       message_type = GTK_MESSAGE_QUESTION;
73       break;
74 
75     case ui::MessageBoxFlags::kIsJavascriptPrompt:
76       buttons = GTK_BUTTONS_CANCEL;
77       message_type = GTK_MESSAGE_QUESTION;
78       break;
79 
80     default:
81       NOTREACHED();
82   }
83 
84   // We want the alert to be app modal so put all the browser windows into the
85   // same window group.
86   gtk_util::MakeAppModalWindowGroup();
87 
88   gtk_dialog_ = gtk_message_dialog_new(parent_window,
89       GTK_DIALOG_MODAL, message_type, buttons, "%s",
90       WideToUTF8(dialog_->message_text()).c_str());
91   gtk_util::ApplyMessageDialogQuirks(gtk_dialog_);
92   gtk_window_set_title(GTK_WINDOW(gtk_dialog_),
93                        WideToUTF8(dialog_->title()).c_str());
94 
95   // Adjust content area as needed.  Set up the prompt text entry or
96   // suppression check box.
97   if (ui::MessageBoxFlags::kIsJavascriptPrompt == dialog_->dialog_flags()) {
98     // TODO(tc): Replace with gtk_dialog_get_content_area() when using GTK 2.14+
99     GtkWidget* contents_vbox = GTK_DIALOG(gtk_dialog_)->vbox;
100     GtkWidget* text_box = gtk_entry_new();
101     gtk_entry_set_text(GTK_ENTRY(text_box),
102         WideToUTF8(dialog_->default_prompt_text()).c_str());
103     gtk_box_pack_start(GTK_BOX(contents_vbox), text_box, TRUE, TRUE, 0);
104     g_object_set_data(G_OBJECT(gtk_dialog_), kPromptTextId, text_box);
105     gtk_entry_set_activates_default(GTK_ENTRY(text_box), TRUE);
106   }
107 
108   if (dialog_->display_suppress_checkbox()) {
109     GtkWidget* contents_vbox = GTK_DIALOG(gtk_dialog_)->vbox;
110     GtkWidget* check_box = gtk_check_button_new_with_label(
111         l10n_util::GetStringUTF8(
112         IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION).c_str());
113     gtk_box_pack_start(GTK_BOX(contents_vbox), check_box, TRUE, TRUE, 0);
114     g_object_set_data(G_OBJECT(gtk_dialog_), kSuppressCheckboxId, check_box);
115   }
116 
117   // Adjust buttons/action area as needed.
118   if (dialog_->is_before_unload_dialog()) {
119     std::string button_text = l10n_util::GetStringUTF8(
120       IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
121     gtk_dialog_add_button(GTK_DIALOG(gtk_dialog_), button_text.c_str(),
122         GTK_RESPONSE_OK);
123 
124     button_text = l10n_util::GetStringUTF8(
125         IDS_BEFOREUNLOAD_MESSAGEBOX_CANCEL_BUTTON_LABEL);
126     gtk_dialog_add_button(GTK_DIALOG(gtk_dialog_), button_text.c_str(),
127         GTK_RESPONSE_CANCEL);
128   } else {
129     // Add the OK button and focus it.
130     GtkWidget* ok_button = gtk_dialog_add_button(GTK_DIALOG(gtk_dialog_),
131         GTK_STOCK_OK, GTK_RESPONSE_OK);
132     if (ui::MessageBoxFlags::kIsJavascriptPrompt != dialog_->dialog_flags())
133       gtk_widget_grab_focus(ok_button);
134   }
135 
136   gtk_dialog_set_default_response(GTK_DIALOG(gtk_dialog_), GTK_RESPONSE_OK);
137   g_signal_connect(gtk_dialog_, "response", G_CALLBACK(OnResponseThunk), this);
138 }
139 
~JSModalDialogGtk()140 JSModalDialogGtk::~JSModalDialogGtk() {
141 }
142 
143 ////////////////////////////////////////////////////////////////////////////////
144 // JSModalDialogGtk, NativeAppModalDialog implementation:
145 
GetAppModalDialogButtons() const146 int JSModalDialogGtk::GetAppModalDialogButtons() const {
147   switch (dialog_->dialog_flags()) {
148     case ui::MessageBoxFlags::kIsJavascriptAlert:
149       return ui::MessageBoxFlags::DIALOGBUTTON_OK;
150 
151     case ui::MessageBoxFlags::kIsJavascriptConfirm:
152       return ui::MessageBoxFlags::DIALOGBUTTON_OK |
153         ui::MessageBoxFlags::DIALOGBUTTON_CANCEL;
154 
155     case ui::MessageBoxFlags::kIsJavascriptPrompt:
156       return ui::MessageBoxFlags::DIALOGBUTTON_OK;
157 
158     default:
159       NOTREACHED();
160       return 0;
161   }
162 }
163 
ShowAppModalDialog()164 void JSModalDialogGtk::ShowAppModalDialog() {
165   gtk_util::ShowDialogWithMinLocalizedWidth(GTK_WIDGET(gtk_dialog_),
166       IDS_ALERT_DIALOG_WIDTH_CHARS);
167 }
168 
ActivateAppModalDialog()169 void JSModalDialogGtk::ActivateAppModalDialog() {
170   DCHECK(gtk_dialog_);
171   gtk_window_present(GTK_WINDOW(gtk_dialog_));}
172 
CloseAppModalDialog()173 void JSModalDialogGtk::CloseAppModalDialog() {
174   DCHECK(gtk_dialog_);
175   OnResponse(gtk_dialog_, GTK_RESPONSE_DELETE_EVENT);
176 }
177 
AcceptAppModalDialog()178 void JSModalDialogGtk::AcceptAppModalDialog() {
179   OnResponse(gtk_dialog_, GTK_RESPONSE_OK);
180 }
181 
CancelAppModalDialog()182 void JSModalDialogGtk::CancelAppModalDialog() {
183   OnResponse(gtk_dialog_, GTK_RESPONSE_CANCEL);
184 }
185 
186 ////////////////////////////////////////////////////////////////////////////////
187 // JSModalDialogGtk, private:
188 
OnResponse(GtkWidget * dialog,int response_id)189 void JSModalDialogGtk::OnResponse(GtkWidget* dialog, int response_id) {
190   switch (response_id) {
191     case GTK_RESPONSE_OK:
192       // The first arg is the prompt text and the second is true if we want to
193       // suppress additional popups from the page.
194       dialog_->OnAccept(GetPromptText(GTK_DIALOG(dialog)),
195                         ShouldSuppressJSDialogs(GTK_DIALOG(dialog)));
196       break;
197 
198     case GTK_RESPONSE_CANCEL:
199     case GTK_RESPONSE_DELETE_EVENT:   // User hit the X on the dialog.
200       dialog_->OnCancel(ShouldSuppressJSDialogs(GTK_DIALOG(dialog)));
201       break;
202 
203     default:
204       NOTREACHED();
205   }
206   gtk_widget_destroy(dialog);
207 
208   // Now that the dialog is gone, we can put all the  windows into separate
209   // window groups so other dialogs are no longer app modal.
210   gtk_util::AppModalDismissedUngroupWindows();
211   delete this;
212 }
213 
214 ////////////////////////////////////////////////////////////////////////////////
215 // NativeAppModalDialog, public:
216 
217 // static
CreateNativeJavaScriptPrompt(JavaScriptAppModalDialog * dialog,gfx::NativeWindow parent_window)218 NativeAppModalDialog* NativeAppModalDialog::CreateNativeJavaScriptPrompt(
219     JavaScriptAppModalDialog* dialog,
220     gfx::NativeWindow parent_window) {
221   return new JSModalDialogGtk(dialog, parent_window);
222 }
223