Enable keyboard navigation for Desktopcapture window selection dialog

chrome/browser/ui/views/desktop_media_picker_views.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/desktop_media_picker_views.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media/desktop_media_list.h"
@@ skipping 188 matching lines @@
   }
 }
 
 DesktopMediaListView::DesktopMediaListView(
     DesktopMediaPickerDialogView* parent,
     scoped_ptr<DesktopMediaList> media_list)
     : parent_(parent),
       media_list_(media_list.Pass()),
       weak_factory_(this) {
   media_list_->SetThumbnailSize(gfx::Size(kThumbnailWidth, kThumbnailHeight));
+  SetFocusable(true);
 }
 
 DesktopMediaListView::~DesktopMediaListView() {}
 
 void DesktopMediaListView::StartUpdating(DesktopMediaID dialog_window_id) {
   media_list_->SetViewDialogWindowId(dialog_window_id);
   media_list_->StartUpdating(this);
 }
 
 void DesktopMediaListView::OnSelectionChanged() {
@@ skipping 269 matching lines @@
   return l10n_util::GetStringFUTF16(IDS_DESKTOP_MEDIA_PICKER_TITLE, app_name_);
 }
 
 bool DesktopMediaPickerDialogView::IsDialogButtonEnabled(
     ui::DialogButton button) const {
   if (button == ui::DIALOG_BUTTON_OK)
     return list_view_->GetSelection() != NULL;
   return true;
 }
 
+views::View* DesktopMediaPickerDialogView::GetInitiallyFocusedView(){
+  return list_view_;
+}
+
 base::string16 DesktopMediaPickerDialogView::GetDialogButtonLabel(
     ui::DialogButton button) const {
   return l10n_util::GetStringUTF16(button == ui::DIALOG_BUTTON_OK ?
       IDS_DESKTOP_MEDIA_PICKER_SHARE : IDS_CANCEL);
 }
 
 bool DesktopMediaPickerDialogView::Accept() {
   DesktopMediaSourceView* selection = list_view_->GetSelection();
 
   // Ok button should only be enabled when a source is selected.
@@ skipping 28 matching lines @@
 
 void DesktopMediaPickerDialogView::OnMediaListRowsChanged() {
   gfx::Rect widget_bound = GetWidget()->GetWindowBoundsInScreen();
 
   int new_height = widget_bound.height() - scroll_view_->height() +
       scroll_view_->GetPreferredSize().height();
 
   GetWidget()->CenterWindow(gfx::Size(widget_bound.width(), new_height));
 }
 
+DesktopMediaListView*
+DesktopMediaPickerDialogView::GetMediaListViewForTesting() const {
+  return list_view_;
+}
+
 DesktopMediaSourceView*
 DesktopMediaPickerDialogView::GetMediaSourceViewForTesting(int index) const {
   if (list_view_->child_count() <= index)
     return NULL;
 
   return reinterpret_cast<DesktopMediaSourceView*>(list_view_->child_at(index));
 }
 
 DesktopMediaPickerViews::DesktopMediaPickerViews() : dialog_(NULL) {
 }
@@ skipping 29 matching lines @@
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(callback_, source));
   callback_.Reset();
 }
 
 // static
 scoped_ptr<DesktopMediaPicker> DesktopMediaPicker::Create() {
   return scoped_ptr<DesktopMediaPicker>(new DesktopMediaPickerViews());
 }