src/chrome/browser/ui/gtk/infobars/confirm_infobar_gtk.cc

   1 // Copyright (c) 2012 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/infobars/confirm_infobar_gtk.h"
   6
   7 #include <gtk/gtk.h>
   8
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/ui/gtk/event_utils.h"
  11 #include "chrome/browser/ui/gtk/gtk_chrome_link_button.h"
  12 #include "chrome/browser/ui/gtk/gtk_chrome_shrinkable_hbox.h"
  13 #include "chrome/browser/ui/gtk/gtk_util.h"
  14 #include "ui/base/gtk/gtk_signal_registrar.h"
  15
  16
  17 // ConfirmInfoBarDelegate ------------------------------------------------------
  18
  19 InfoBar* ConfirmInfoBarDelegate::CreateInfoBar(InfoBarService* owner) {
  20   return new ConfirmInfoBarGtk(owner, this);
  21 }
  22
  23
  24 // ConfirmInfoBarGtk -----------------------------------------------------------
  25
  26 ConfirmInfoBarGtk::ConfirmInfoBarGtk(InfoBarService* owner,
  27                                      ConfirmInfoBarDelegate* delegate)
  28     : InfoBarGtk(owner, delegate),
  29       confirm_hbox_(NULL),
  30       size_group_(NULL) {
  31 }
  32
  33 ConfirmInfoBarGtk::~ConfirmInfoBarGtk() {
  34   if (size_group_)
  35     g_object_unref(size_group_);
  36 }
  37
  38 void ConfirmInfoBarGtk::InitWidgets() {
  39   InfoBarGtk::InitWidgets();
  40
  41   confirm_hbox_ = gtk_chrome_shrinkable_hbox_new(FALSE, FALSE,
  42                                                  kEndOfLabelSpacing);
  43   // This alignment allocates the confirm hbox only as much space as it
  44   // requests, and less if there is not enough available.
  45   GtkWidget* align = gtk_alignment_new(0, 0, 0, 1);
  46   gtk_container_add(GTK_CONTAINER(align), confirm_hbox_);
  47   gtk_box_pack_start(GTK_BOX(hbox()), align, TRUE, TRUE, 0);
  48
  49   // We add the buttons in reverse order and pack end instead of start so
  50   // that the first widget to get shrunk is the label rather than the button(s).
  51   AddButton(ConfirmInfoBarDelegate::BUTTON_OK);
  52   AddButton(ConfirmInfoBarDelegate::BUTTON_CANCEL);
  53
  54   std::string label_text = UTF16ToUTF8(GetDelegate()->GetMessageText());
  55   GtkWidget* label = CreateLabel(label_text);
  56   gtk_util::ForceFontSizePixels(label, 13.4);
  57   gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
  58   gtk_util::CenterWidgetInHBox(confirm_hbox_, label, true, 0);
  59   signals()->Connect(label, "map",
  60                      G_CALLBACK(gtk_util::InitLabelSizeRequestAndEllipsizeMode),
  61                      NULL);
  62
  63   std::string link_text = UTF16ToUTF8(GetDelegate()->GetLinkText());
  64   if (link_text.empty())
  65     return;
  66
  67   GtkWidget* link = CreateLinkButton(link_text);
  68   gtk_misc_set_alignment(GTK_MISC(GTK_CHROME_LINK_BUTTON(link)->label), 0, 0.5);
  69   signals()->Connect(link, "clicked", G_CALLBACK(OnLinkClickedThunk), this);
  70   gtk_util::SetButtonTriggersNavigation(link);
  71   // Until we switch to vector graphics, force the font size.
  72   // 13.4px == 10pt @ 96dpi
  73   gtk_util::ForceFontSizePixels(GTK_CHROME_LINK_BUTTON(link)->label, 13.4);
  74   gtk_util::CenterWidgetInHBox(hbox(), link, true, kEndOfLabelSpacing);
  75 }
  76
  77 ConfirmInfoBarDelegate* ConfirmInfoBarGtk::GetDelegate() {
  78   return delegate()->AsConfirmInfoBarDelegate();
  79 }
  80
  81 void ConfirmInfoBarGtk::AddButton(ConfirmInfoBarDelegate::InfoBarButton type) {
  82   DCHECK(confirm_hbox_);
  83   if (delegate()->AsConfirmInfoBarDelegate()->GetButtons() & type) {
  84     if (!size_group_)
  85       size_group_ = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
  86
  87     GtkWidget* button = gtk_button_new_with_label(UTF16ToUTF8(
  88         delegate()->AsConfirmInfoBarDelegate()->GetButtonLabel(type)).c_str());
  89     gtk_size_group_add_widget(size_group_, button);
  90
  91     gtk_util::CenterWidgetInHBox(confirm_hbox_, button, true, 0);
  92     signals()->Connect(button, "clicked",
  93                        G_CALLBACK(type == ConfirmInfoBarDelegate::BUTTON_OK ?
  94                                   OnOkButtonThunk : OnCancelButtonThunk),
  95                        this);
  96   }
  97 }
  98
  99 void ConfirmInfoBarGtk::OnOkButton(GtkWidget* widget) {
 100   if (delegate()->AsConfirmInfoBarDelegate()->Accept())
 101     RemoveSelf();
 102 }
 103
 104 void ConfirmInfoBarGtk::OnCancelButton(GtkWidget* widget) {
 105   if (delegate()->AsConfirmInfoBarDelegate()->Cancel())
 106     RemoveSelf();
 107 }
 108
 109 void ConfirmInfoBarGtk::OnLinkClicked(GtkWidget* widget) {
 110   if (delegate()->AsConfirmInfoBarDelegate()->LinkClicked(
 111         event_utils::DispositionForCurrentButtonPressEvent()))
 112     RemoveSelf();
 113 }