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 // static
  20 scoped_ptr<InfoBar> ConfirmInfoBarDelegate::CreateInfoBar(
  21     scoped_ptr<ConfirmInfoBarDelegate> delegate) {
  22   return scoped_ptr<InfoBar>(new ConfirmInfoBarGtk(delegate.Pass()));
  23 }
  24
  25
  26 // ConfirmInfoBarGtk -----------------------------------------------------------
  27
  28 ConfirmInfoBarGtk::ConfirmInfoBarGtk(
  29     scoped_ptr<ConfirmInfoBarDelegate> delegate)
  30     : InfoBarGtk(delegate.PassAs<InfoBarDelegate>()),
  31       confirm_hbox_(NULL),
  32       size_group_(NULL) {
  33 }
  34
  35 ConfirmInfoBarGtk::~ConfirmInfoBarGtk() {
  36   if (size_group_)
  37     g_object_unref(size_group_);
  38 }
  39
  40 void ConfirmInfoBarGtk::PlatformSpecificSetOwner() {
  41   InfoBarGtk::PlatformSpecificSetOwner();
  42
  43   confirm_hbox_ = gtk_chrome_shrinkable_hbox_new(FALSE, FALSE,
  44                                                  kEndOfLabelSpacing);
  45   // This alignment allocates the confirm hbox only as much space as it
  46   // requests, and less if there is not enough available.
  47   GtkWidget* align = gtk_alignment_new(0, 0, 0, 1);
  48   gtk_container_add(GTK_CONTAINER(align), confirm_hbox_);
  49   gtk_box_pack_start(GTK_BOX(hbox()), align, TRUE, TRUE, 0);
  50
  51   // We add the buttons in reverse order and pack end instead of start so
  52   // that the first widget to get shrunk is the label rather than the button(s).
  53   AddButton(ConfirmInfoBarDelegate::BUTTON_OK);
  54   AddButton(ConfirmInfoBarDelegate::BUTTON_CANCEL);
  55
  56   std::string label_text = base::UTF16ToUTF8(GetDelegate()->GetMessageText());
  57   GtkWidget* label = CreateLabel(label_text);
  58   gtk_util::ForceFontSizePixels(label, 13.4);
  59   gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
  60   gtk_util::CenterWidgetInHBox(confirm_hbox_, label, true, 0);
  61   signals()->Connect(label, "map",
  62                      G_CALLBACK(gtk_util::InitLabelSizeRequestAndEllipsizeMode),
  63                      NULL);
  64
  65   std::string link_text = base::UTF16ToUTF8(GetDelegate()->GetLinkText());
  66   if (link_text.empty())
  67     return;
  68
  69   GtkWidget* link = CreateLinkButton(link_text);
  70   gtk_misc_set_alignment(GTK_MISC(GTK_CHROME_LINK_BUTTON(link)->label), 0, 0.5);
  71   signals()->Connect(link, "clicked", G_CALLBACK(OnLinkClickedThunk), this);
  72   gtk_util::SetButtonTriggersNavigation(link);
  73   // Until we switch to vector graphics, force the font size.
  74   // 13.4px == 10pt @ 96dpi
  75   gtk_util::ForceFontSizePixels(GTK_CHROME_LINK_BUTTON(link)->label, 13.4);
  76   gtk_util::CenterWidgetInHBox(hbox(), link, true, kEndOfLabelSpacing);
  77 }
  78
  79 ConfirmInfoBarDelegate* ConfirmInfoBarGtk::GetDelegate() {
  80   return delegate()->AsConfirmInfoBarDelegate();
  81 }
  82
  83 void ConfirmInfoBarGtk::AddButton(ConfirmInfoBarDelegate::InfoBarButton type) {
  84   DCHECK(confirm_hbox_);
  85   if (delegate()->AsConfirmInfoBarDelegate()->GetButtons() & type) {
  86     if (!size_group_)
  87       size_group_ = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
  88
  89     GtkWidget* button = gtk_button_new_with_label(base::UTF16ToUTF8(
  90         delegate()->AsConfirmInfoBarDelegate()->GetButtonLabel(type)).c_str());
  91     gtk_size_group_add_widget(size_group_, button);
  92
  93     gtk_util::CenterWidgetInHBox(confirm_hbox_, button, true, 0);
  94     signals()->Connect(button, "clicked",
  95                        G_CALLBACK(type == ConfirmInfoBarDelegate::BUTTON_OK ?
  96                                   OnOkButtonThunk : OnCancelButtonThunk),
  97                        this);
  98   }
  99 }
 100
 101 void ConfirmInfoBarGtk::OnOkButton(GtkWidget* widget) {
 102   if (delegate()->AsConfirmInfoBarDelegate()->Accept())
 103     RemoveSelf();
 104 }
 105
 106 void ConfirmInfoBarGtk::OnCancelButton(GtkWidget* widget) {
 107   if (delegate()->AsConfirmInfoBarDelegate()->Cancel())
 108     RemoveSelf();
 109 }
 110
 111 void ConfirmInfoBarGtk::OnLinkClicked(GtkWidget* widget) {
 112   if (delegate()->AsConfirmInfoBarDelegate()->LinkClicked(
 113         event_utils::DispositionForCurrentButtonPressEvent()))
 114     RemoveSelf();
 115 }