Use the media galleries controller interface for the scan result dialog.

chrome/browser/ui/views/extensions/media_galleries_scan_result_dialog_views.cc

-// Copyright 2014 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/extensions/media_galleries_scan_result_dialog_views.h"
-
-#include "chrome/browser/ui/views/extensions/media_gallery_checkbox_view.h"
-#include "components/web_modal/web_contents_modal_dialog_host.h"
-#include "components/web_modal/web_contents_modal_dialog_manager.h"
-#include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
-#include "content/public/browser/web_contents.h"
-#include "grit/generated_resources.h"
-#include "grit/locale_settings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/button/checkbox.h"
-#include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/controls/menu/menu_runner.h"
-#include "ui/views/controls/scroll_view.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/layout/grid_layout.h"
-#include "ui/views/layout/layout_constants.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-#include "ui/views/window/dialog_client_view.h"
-
-typedef MediaGalleriesScanResultDialogController::OrderedScanResults
-    OrderedScanResults;
-
-namespace {
-
-const int kScrollAreaHeight = 192;
-
-// This container has the right Layout() impl to use within a ScrollView.
-class ScrollableView : public views::View {
- public:
-  ScrollableView() {}
-  virtual ~ScrollableView() {}
-
-  virtual void Layout() OVERRIDE;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ScrollableView);
-};
-
-void ScrollableView::Layout() {
-  gfx::Size pref = GetPreferredSize();
-  int width = pref.width();
-  int height = pref.height();
-  if (parent()) {
-    width = parent()->width();
-    height = std::max(parent()->height(), height);
-  }
-  SetBounds(x(), y(), width, height);
-
-  views::View::Layout();
-}
-
-}  // namespace
-
-MediaGalleriesScanResultDialogViews::MediaGalleriesScanResultDialogViews(
-    MediaGalleriesScanResultDialogController* controller)
-    : controller_(controller),
-      window_(NULL),
-      contents_(new views::View()),
-      accepted_(false) {
-  InitChildViews();
-
-  // Ownership of |contents_| is handed off by this call. |window_| will take
-  // care of deleting itself after calling DeleteDelegate().
-  web_modal::WebContentsModalDialogManager* web_contents_modal_dialog_manager =
-      web_modal::WebContentsModalDialogManager::FromWebContents(
-          controller->web_contents());
-  DCHECK(web_contents_modal_dialog_manager);
-  web_modal::WebContentsModalDialogManagerDelegate* modal_delegate =
-      web_contents_modal_dialog_manager->delegate();
-  DCHECK(modal_delegate);
-  window_ = views::Widget::CreateWindowAsFramelessChild(
-      this, modal_delegate->GetWebContentsModalDialogHost()->GetHostView());
-  web_contents_modal_dialog_manager->ShowModalDialog(
-      window_->GetNativeView());
-}
-
-MediaGalleriesScanResultDialogViews::~MediaGalleriesScanResultDialogViews() {}
-
-void MediaGalleriesScanResultDialogViews::InitChildViews() {
-  // Outer dialog layout.
-  contents_->RemoveAllChildViews(true);
-  int dialog_content_width = views::Widget::GetLocalizedContentsWidth(
-      IDS_MEDIA_GALLERIES_DIALOG_CONTENT_WIDTH_CHARS);
-  views::GridLayout* layout = views::GridLayout::CreatePanel(contents_);
-  contents_->SetLayoutManager(layout);
-
-  int column_set_id = 0;
-  views::ColumnSet* columns = layout->AddColumnSet(column_set_id);
-  columns->AddColumn(views::GridLayout::LEADING,
-                     views::GridLayout::LEADING,
-                     1,
-                     views::GridLayout::FIXED,
-                     dialog_content_width,
-                     0);
-
-  // Message text.
-  views::Label* subtext = new views::Label(controller_->GetSubtext());
-  subtext->SetMultiLine(true);
-  subtext->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  layout->StartRow(0, column_set_id);
-  layout->AddView(
-      subtext, 1, 1,
-      views::GridLayout::FILL, views::GridLayout::LEADING,
-      dialog_content_width, subtext->GetHeightForWidth(dialog_content_width));
-  layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
-
-  // Scrollable area for checkboxes.
-  ScrollableView* scroll_container = new ScrollableView();
-  scroll_container->SetLayoutManager(new views::BoxLayout(
-      views::BoxLayout::kVertical, 0, 0,
-      views::kRelatedControlSmallVerticalSpacing));
-  scroll_container->SetBorder(views::Border::CreateEmptyBorder(
-      views::kRelatedControlVerticalSpacing,
-      0,
-      views::kRelatedControlVerticalSpacing,
-      0));
-
-  // Add galleries checkboxes.
-  gallery_view_map_.clear();
-  OrderedScanResults scan_results = controller_->GetGalleryList();
-  for (OrderedScanResults::const_iterator it = scan_results.begin();
-       it != scan_results.end();
-       ++it) {
-    int spacing = 0;
-    if (it + 1 == scan_results.end())
-      spacing = views::kRelatedControlSmallVerticalSpacing;
-    AddOrUpdateScanResult(it->pref_info, it->selected, scroll_container,
-                          spacing);
-  }
-
-  // Add the scrollable area to the outer dialog view. It will squeeze against
-  // the title/subtitle and buttons to occupy all available space in the dialog.
-  views::ScrollView* scroll_view =
-      views::ScrollView::CreateScrollViewWithBorder();
-  scroll_view->SetContents(scroll_container);
-  layout->StartRowWithPadding(1, column_set_id,
-                              0, views::kRelatedControlVerticalSpacing);
-  layout->AddView(scroll_view, 1, 1,
-                  views::GridLayout::FILL, views::GridLayout::FILL,
-                  dialog_content_width, kScrollAreaHeight);
-}
-
-void MediaGalleriesScanResultDialogViews::UpdateResults() {
-  InitChildViews();
-  contents_->Layout();
-}
-
-bool MediaGalleriesScanResultDialogViews::AddOrUpdateScanResult(
-    const MediaGalleryPrefInfo& gallery,
-    bool selected,
-    views::View* container,
-    int trailing_vertical_space) {
-  base::string16 label = gallery.GetGalleryDisplayName();
-  base::string16 tooltip_text = gallery.GetGalleryTooltip();
-  base::string16 details = gallery.GetGalleryAdditionalDetails();
-  bool is_attached = gallery.IsGalleryAvailable();
-
-  GalleryViewMap::iterator it = gallery_view_map_.find(gallery.pref_id);
-  if (it != gallery_view_map_.end()) {
-    views::Checkbox* checkbox = it->second->checkbox();
-    checkbox->SetChecked(selected);
-    checkbox->SetText(label);
-    checkbox->SetTooltipText(tooltip_text);
-    it->second->folder_viewer_button()->SetVisible(is_attached);
-    it->second->secondary_text()->SetText(details);
-    it->second->secondary_text()->SetVisible(details.length() > 0);
-    return false;
-  }
-
-  MediaGalleryCheckboxView* gallery_view =
-      new MediaGalleryCheckboxView(label, tooltip_text, details, is_attached,
-                                   trailing_vertical_space, this, this);
-  gallery_view->checkbox()->SetChecked(selected);
-  container->AddChildView(gallery_view);
-
-  gallery_view_map_[gallery.pref_id] = gallery_view;
-
-  return true;
-}
-
-base::string16 MediaGalleriesScanResultDialogViews::GetWindowTitle() const {
-  return controller_->GetHeader();
-}
-
-void MediaGalleriesScanResultDialogViews::DeleteDelegate() {
-  controller_->DialogFinished(accepted_);
-}
-
-views::Widget* MediaGalleriesScanResultDialogViews::GetWidget() {
-  return contents_->GetWidget();
-}
-
-const views::Widget* MediaGalleriesScanResultDialogViews::GetWidget() const {
-  return contents_->GetWidget();
-}
-
-views::View* MediaGalleriesScanResultDialogViews::GetContentsView() {
-  return contents_;
-}
-
-base::string16 MediaGalleriesScanResultDialogViews::GetDialogButtonLabel(
-    ui::DialogButton button) const {
-  return l10n_util::GetStringUTF16(button == ui::DIALOG_BUTTON_OK ?
-      IDS_MEDIA_GALLERIES_SCAN_RESULT_DIALOG_CONFIRM :
-      IDS_MEDIA_GALLERIES_DIALOG_CANCEL);
-}
-
-ui::ModalType MediaGalleriesScanResultDialogViews::GetModalType() const {
-#if defined(USE_ASH)
-  return ui::MODAL_TYPE_CHILD;
-#else
-  return views::WidgetDelegate::GetModalType();
-#endif
-}
-
-bool MediaGalleriesScanResultDialogViews::Cancel() {
-  return true;
-}
-
-bool MediaGalleriesScanResultDialogViews::Accept() {
-  accepted_ = true;
-
-  return true;
-}
-
-void MediaGalleriesScanResultDialogViews::ButtonPressed(
-    views::Button* sender,
-    const ui::Event& event) {
-  GetWidget()->client_view()->AsDialogClientView()->UpdateDialogButtons();
-
-  for (GalleryViewMap::const_iterator it = gallery_view_map_.begin();
-       it != gallery_view_map_.end(); ++it) {
-    if (sender == it->second->checkbox()) {
-      controller_->DidToggleGalleryId(it->first,
-                                      it->second->checkbox()->checked());
-      return;
-    }
-    if (sender == it->second->folder_viewer_button()) {
-      controller_->DidClickOpenFolderViewer(it->first);
-      return;
-    }
-  }
-}
-
-void MediaGalleriesScanResultDialogViews::ShowContextMenuForView(
-    views::View* source,
-    const gfx::Point& point,
-    ui::MenuSourceType source_type) {
-  for (GalleryViewMap::const_iterator it = gallery_view_map_.begin();
-       it != gallery_view_map_.end(); ++it) {
-    if (it->second->Contains(source)) {
-      ShowContextMenu(point, source_type, it->first);
-      return;
-    }
-  }
-  NOTREACHED();
-}
-
-void MediaGalleriesScanResultDialogViews::ShowContextMenu(
-    const gfx::Point& point,
-    ui::MenuSourceType source_type,
-    MediaGalleryPrefId id) {
-  context_menu_runner_.reset(new views::MenuRunner(
-      controller_->GetContextMenu(id)));
-
-  if (context_menu_runner_->RunMenuAt(
-          GetWidget(),
-          NULL,
-          gfx::Rect(point.x(), point.y(), 0, 0),
-          views::MENU_ANCHOR_TOPLEFT,
-          source_type,
-          views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
-      views::MenuRunner::MENU_DELETED) {
-    return;
-  }
-}
-
-void MediaGalleriesScanResultDialogViews::AcceptDialogForTesting() {
-  accepted_ = true;
-
-  web_modal::WebContentsModalDialogManager* web_contents_modal_dialog_manager =
-      web_modal::WebContentsModalDialogManager::FromWebContents(
-          controller_->web_contents());
-  DCHECK(web_contents_modal_dialog_manager);
-  web_modal::WebContentsModalDialogManager::TestApi(
-      web_contents_modal_dialog_manager).CloseAllDialogs();
-}
-
-// MediaGalleriesScanResultDialogViewsController -------------------------------
-
-// static
-MediaGalleriesScanResultDialog* MediaGalleriesScanResultDialog::Create(
-    MediaGalleriesScanResultDialogController* controller) {
-  return new MediaGalleriesScanResultDialogViews(controller);
-}