Adding device selection menus to the content setting bubble

chrome/browser/ui/gtk/content_setting_bubble_gtk.cc

Index: chrome/browser/ui/gtk/content_setting_bubble_gtk.cc
diff --git a/chrome/browser/ui/gtk/content_setting_bubble_gtk.cc b/chrome/browser/ui/gtk/content_setting_bubble_gtk.cc
index 6430802bc681250bf961a288d1c077e789fa75d9..91348b366e20832bc1b104062c1ea66ddbef902d 100644
--- a/chrome/browser/ui/gtk/content_setting_bubble_gtk.cc
+++ b/chrome/browser/ui/gtk/content_setting_bubble_gtk.cc
@@ -27,6 +27,7 @@
 #include "grit/ui_resources.h"
 #include "ui/base/gtk/gtk_hig_constants.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/models/simple_menu_model.h"
 #include "ui/base/text/text_elider.h"
 #include "ui/gfx/gtk_util.h"
 
@@ -39,6 +40,12 @@ namespace {
 // longer than this.
 const int kMaxLinkPixelSize = 500;
 
+// The width in characters of the label of media menu button.
+const int kMediaMenuButtonLabelWidthInChars = 16;
+
+// The width of the media menu button.
+const int kMediaMenuButtonWidth = 150;
+
 std::string BuildElidedText(const std::string& input) {
   return UTF16ToUTF8(ui::ElideText(
       UTF8ToUTF16(input),
@@ -70,10 +77,29 @@ ContentSettingBubbleGtk::~ContentSettingBubbleGtk() {
 }
 
 void ContentSettingBubbleGtk::Close() {
+  // Free any MediaMenuGtk objects left over.
+  for (GtkMediaMenuMap::const_iterator it = media_menus_.begin();
+       it != media_menus_.end(); ++it) {
+    it->second->label.Destroy();
+    delete it->second;
+  }
+
   if (bubble_)
     bubble_->Close();
 }
 
+void ContentSettingBubbleGtk::UpdateMenuLabel(content::MediaStreamType type,
+                                              const std::string& label) {
+  GtkMediaMenuMap::const_iterator it = media_menus_.begin();
+  for (; it != media_menus_.end(); ++it) {
+    if (it->second->type == type) {
+      gtk_label_set_text(GTK_LABEL(it->second->label.get()), label.c_str());
+      break;
+    }
+  }
+  DCHECK(it != media_menus_.end());
+}
+
 void ContentSettingBubbleGtk::BubbleClosing(BubbleGtk* bubble,
                                             bool closed_by_escape) {
   delegate_->BubbleClosing(bubble, closed_by_escape);
@@ -196,6 +222,51 @@ void ContentSettingBubbleGtk::BuildBubble() {
     g_signal_connect(*i, "toggled", G_CALLBACK(OnRadioToggledThunk), this);
   }
 
+  // Layout code for the media device menus.
+  if (content_setting_bubble_model_->content_type() ==
+        CONTENT_SETTINGS_TYPE_MEDIASTREAM) {
+    GtkWidget* table = gtk_table_new(content.media_menus.size(), 2, FALSE);
+    int row = 0;
+    for (ContentSettingBubbleModel::MediaMenuMap::const_iterator
+         i(content.media_menus.begin()); i != content.media_menus.end();
+         ++i, ++row) {
+      GtkWidget* label = theme_provider->BuildLabel(
+          i->second.label.c_str(), ui::kGdkBlack);
+      gtk_table_attach(GTK_TABLE(table), gtk_util::LeftAlignMisc(label), 0, 1,
+                       row, row + 1, GTK_FILL, GTK_FILL,
+                       ui::kControlSpacing / 2, ui::kControlSpacing / 2);
+
+      // Build up the gtk menu button.
+      MediaMenuGtk* gtk_menu = new MediaMenuGtk();
+      gtk_menu->type = i->first;
+      gtk_menu->label.Own(
+          gtk_label_new(i->second.selected_device.name.c_str()));
+
+      GtkWidget* button = gtk_button_new();
+      GtkWidget* button_content = gtk_hbox_new(FALSE, 0);
+      gtk_box_pack_start(GTK_BOX(button_content),
+                         gtk_util::LeftAlignMisc(gtk_menu->label.get()),
+                         FALSE, FALSE, 0);
+      gtk_label_set_width_chars(GTK_LABEL(gtk_menu->label.get()),
+                                kMediaMenuButtonLabelWidthInChars);
+      GtkWidget* arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+      gtk_box_pack_end(GTK_BOX(button_content), arrow, FALSE, FALSE, 0);
+      gtk_widget_set_size_request(button_content, kMediaMenuButtonWidth, -1);
+      gtk_container_add(GTK_CONTAINER(button), button_content);
+
+      // Store the gtk menu to the map.
+      media_menus_[button] = gtk_menu;
+
+      g_signal_connect(button, "clicked", G_CALLBACK(OnMenuButtonClickedThunk),
+                       this);
+      gtk_table_attach(GTK_TABLE(table), button, 1, 2, row, row + 1,
+                       GTK_FILL, GTK_FILL, ui::kControlSpacing * 2,
+                       ui::kControlSpacing / 2);
+    }
+
+    gtk_box_pack_start(GTK_BOX(bubble_content), table, FALSE, FALSE, 0);
+  }
+
   for (std::vector<ContentSettingBubbleModel::DomainList>::const_iterator i =
        content.domain_lists.begin();
        i != content.domain_lists.end(); ++i) {
@@ -253,7 +324,6 @@ void ContentSettingBubbleGtk::BuildBubble() {
   g_signal_connect(button, "clicked", G_CALLBACK(OnCloseButtonClickedThunk),
                    this);
   gtk_box_pack_end(GTK_BOX(bottom_box), button, FALSE, FALSE, 0);
-
   gtk_box_pack_start(GTK_BOX(bubble_content), bottom_box, FALSE, FALSE, 0);
   gtk_widget_grab_focus(bottom_box);
   gtk_widget_grab_focus(button);
@@ -316,3 +386,21 @@ void ContentSettingBubbleGtk::OnManageLinkClicked(GtkWidget* button) {
   content_setting_bubble_model_->OnManageLinkClicked();
   Close();
 }
+
+void ContentSettingBubbleGtk::OnMenuButtonClicked(GtkWidget* button) {
+  GtkMediaMenuMap::iterator i(media_menus_.find(button));
+  DCHECK(i != media_menus_.end());
+  i->second->menu_model.reset(new ContentSettingMediaMenuModel(
+      profile_,
+      i->second->type,
+      content_setting_bubble_model_.get(),
+      this));
+  i->second->menu.reset(new MenuGtk(NULL, i->second->menu_model.get()));
+  i->second->menu->PopupForWidget(button, 1, gtk_get_current_event_time());
+}
+
+ContentSettingBubbleGtk::MediaMenuGtk::MediaMenuGtk() {
+}
+
+ContentSettingBubbleGtk::MediaMenuGtk::~MediaMenuGtk() {
+}