chrome/browser/ui/gtk/confirm_bubble_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/confirm_bubble_gtk.h"
   6
   7 #include <gtk/gtk.h>
   8
   9 #include "base/logging.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/browser/ui/browser.h"
  12 #include "chrome/browser/ui/confirm_bubble.h"
  13 #include "chrome/browser/ui/confirm_bubble_model.h"
  14 #include "chrome/browser/ui/gtk/browser_window_gtk.h"
  15 #include "chrome/browser/ui/gtk/custom_button.h"
  16 #include "chrome/browser/ui/gtk/gtk_chrome_link_button.h"
  17 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
  18 #include "chrome/browser/ui/gtk/gtk_util.h"
  19 #include "grit/theme_resources.h"
  20 #include "ui/base/gtk/gtk_hig_constants.h"
  21 #include "ui/base/gtk/gtk_screen_util.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23 #include "ui/gfx/image/image.h"
  24
  25 namespace {
  26
  27 // Padding between content and edge of bubble.
  28 const int kContentBorder = 7;
  29
  30 // Horizontal spacing between the image view and the label.
  31 const int kImageViewSpacing = 5;
  32
  33 // Vertical spacing between labels.
  34 const int kInterLineSpacing = 5;
  35
  36 // Text size of the message label. 12.1px = 9pt @ 96dpi.
  37 const double kMessageTextSize = 12.1;
  38
  39 // Maximum width for the message field. We will wrap the message text when its
  40 // width is wider than this.
  41 const int kMaxMessageWidth = 400;
  42
  43 }  // namespace
  44
  45 ConfirmBubbleGtk::ConfirmBubbleGtk(gfx::NativeView anchor,
  46                                    const gfx::Point& anchor_point,
  47                                    ConfirmBubbleModel* model)
  48     : bubble_(NULL),
  49       anchor_(anchor),
  50       anchor_point_(anchor_point),
  51       model_(model) {
  52   DCHECK(model);
  53 }
  54
  55 ConfirmBubbleGtk::~ConfirmBubbleGtk() {
  56 }
  57
  58 void ConfirmBubbleGtk::BubbleClosing(BubbleGtk* bubble,
  59                                      bool closed_by_escape) {
  60 }
  61
  62 void ConfirmBubbleGtk::Show() {
  63   GtkWidget* toplevel = gtk_widget_get_toplevel(anchor_);
  64   BrowserWindowGtk* browser_window =
  65       BrowserWindowGtk::GetBrowserWindowForNativeWindow(GTK_WINDOW(toplevel));
  66   // If the top level window is not a browser window but instead a pop-up
  67   // dialog, |browser_window| will be null.
  68   if (!browser_window)
  69     return;
  70   GtkThemeService* theme_service = GtkThemeService::GetFrom(
  71       browser_window->browser()->profile());
  72
  73   GtkWidget* content = gtk_vbox_new(FALSE, kInterLineSpacing);
  74   gtk_container_set_border_width(GTK_CONTAINER(content), kContentBorder);
  75   g_signal_connect(content, "destroy", G_CALLBACK(OnDestroyThunk), this);
  76
  77   // Add the icon, the title label and the close button to the first row.
  78   GtkWidget* row = gtk_hbox_new(FALSE, kImageViewSpacing);
  79   GtkWidget* icon_view =
  80       gtk_image_new_from_pixbuf(model_->GetIcon()->ToGdkPixbuf());
  81   gtk_box_pack_start(GTK_BOX(row), icon_view, FALSE, FALSE, 0);
  82
  83   GtkWidget* title_label = theme_service->BuildLabel(
  84       base::UTF16ToUTF8(model_->GetTitle()), ui::kGdkBlack);
  85   gtk_box_pack_start(GTK_BOX(row), title_label, FALSE, FALSE, 0);
  86   gtk_box_pack_start(GTK_BOX(row), gtk_label_new(NULL), TRUE, TRUE, 0);
  87
  88   close_button_.reset(CustomDrawButton::CloseButtonBubble(theme_service));
  89   g_signal_connect(close_button_->widget(), "clicked",
  90                    G_CALLBACK(OnCloseButtonThunk), this);
  91   gtk_box_pack_end(GTK_BOX(row), close_button_->widget(), FALSE, FALSE, 0);
  92   gtk_box_pack_start(GTK_BOX(content), row, FALSE, FALSE, 0);
  93
  94   // Add the message label to the second row.
  95   GtkWidget* message_label = theme_service->BuildLabel(
  96       base::UTF16ToUTF8(model_->GetMessageText()), ui::kGdkBlack);
  97   gtk_util::ForceFontSizePixels(message_label, kMessageTextSize);
  98   gtk_util::SetLabelWidth(message_label, kMaxMessageWidth);
  99   gtk_box_pack_start(GTK_BOX(content), message_label, FALSE, FALSE, 0);
 100
 101   // Add the the link label to the third row if it exists.
 102   const base::string16 link_text = model_->GetLinkText();
 103   if (!link_text.empty()) {
 104     GtkWidget* row = gtk_hbox_new(FALSE, kImageViewSpacing);
 105     GtkWidget* link_button = gtk_chrome_link_button_new(
 106         base::UTF16ToUTF8(link_text).c_str());
 107     g_signal_connect(link_button, "clicked", G_CALLBACK(OnLinkButtonThunk),
 108                      this);
 109     gtk_util::ForceFontSizePixels(link_button, kMessageTextSize);
 110     gtk_box_pack_start(GTK_BOX(row), link_button, FALSE, FALSE, 0);
 111     gtk_box_pack_end(GTK_BOX(row), gtk_label_new(NULL), TRUE, TRUE, 0);
 112     gtk_box_pack_start(GTK_BOX(content), row, FALSE, FALSE, 0);
 113   }
 114
 115   bool has_ok_button = !!(model_->GetButtons() & ConfirmBubbleModel::BUTTON_OK);
 116   bool has_cancel_button =
 117       !!(model_->GetButtons() & ConfirmBubbleModel::BUTTON_CANCEL);
 118   if (has_ok_button || has_cancel_button) {
 119     GtkWidget* row = gtk_hbox_new(FALSE, kImageViewSpacing);
 120     gtk_box_pack_start(GTK_BOX(row), gtk_label_new(NULL), TRUE, TRUE, 0);
 121     if (has_cancel_button) {
 122       GtkWidget* cancel_button = gtk_button_new_with_label(base::UTF16ToUTF8(
 123           model_->GetButtonLabel(ConfirmBubbleModel::BUTTON_CANCEL)).c_str());
 124       g_signal_connect(cancel_button, "clicked",
 125                        G_CALLBACK(OnCancelButtonThunk), this);
 126       gtk_box_pack_start(GTK_BOX(row), cancel_button, FALSE, FALSE, 0);
 127     }
 128     if (has_ok_button) {
 129       GtkWidget* ok_button = gtk_button_new_with_label(base::UTF16ToUTF8(
 130           model_->GetButtonLabel(ConfirmBubbleModel::BUTTON_OK)).c_str());
 131       g_signal_connect(ok_button, "clicked", G_CALLBACK(OnOkButtonThunk), this);
 132       gtk_box_pack_start(GTK_BOX(row), ok_button, FALSE, FALSE, 0);
 133     }
 134     gtk_box_pack_start(GTK_BOX(content), row, FALSE, FALSE, 0);
 135   }
 136
 137   // Show a bubble consisting of the above widgets under the anchor point.
 138   gfx::Rect rect = ui::GetWidgetScreenBounds(anchor_);
 139   rect.set_x(anchor_point_.x() - rect.x());
 140   rect.set_y(anchor_point_.y() - rect.y());
 141   rect.set_width(0);
 142   rect.set_height(0);
 143   bubble_ = BubbleGtk::Show(anchor_,
 144                             &rect,
 145                             content,
 146                             BubbleGtk::FLOAT_BELOW_RECT,
 147                             BubbleGtk::MATCH_SYSTEM_THEME |
 148                                 BubbleGtk::POPUP_WINDOW |
 149                                 BubbleGtk::GRAB_INPUT,
 150                             theme_service,
 151                             this);  // error
 152 }
 153
 154 void ConfirmBubbleGtk::OnDestroy(GtkWidget* sender) {
 155   // TODO(hbono): this code prevents the model from updating this view when we
 156   // click buttons. We should ask the model if we can delete this view.
 157   delete this;
 158 }
 159
 160 void ConfirmBubbleGtk::OnCloseButton(GtkWidget* sender) {
 161   bubble_->Close();
 162 }
 163
 164 void ConfirmBubbleGtk::OnOkButton(GtkWidget* sender) {
 165   model_->Accept();
 166   // TODO(hbono): this code prevents the model from updating this view when we
 167   // click this button. We should ask the model if we can close this view.
 168   bubble_->Close();
 169 }
 170
 171 void ConfirmBubbleGtk::OnCancelButton(GtkWidget* sender) {
 172   model_->Cancel();
 173   // TODO(hbono): this code prevents the model from updating this view when we
 174   // click this button. We should ask the model if we can close this view.
 175   bubble_->Close();
 176 }
 177
 178 void ConfirmBubbleGtk::OnLinkButton(GtkWidget* sender) {
 179   model_->LinkClicked();
 180   // TODO(hbono): this code prevents the model from updating this view when we
 181   // click this link. We should ask the model if we can close this view.
 182   bubble_->Close();
 183 }
 184
 185 namespace chrome {
 186
 187 void ShowConfirmBubble(gfx::NativeView view,
 188                        const gfx::Point& origin,
 189                        ConfirmBubbleModel* model) {
 190   ConfirmBubbleGtk* bubble = new ConfirmBubbleGtk(view, origin, model);
 191   bubble->Show();
 192 }
 193
 194 }  // namespace chrome