chrome/browser/ui/views/extensions/media_galleries_dialog_views.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/views/extensions/media_galleries_dialog_views.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "chrome/browser/ui/views/extensions/media_gallery_checkbox_view.h"
   9 #include "chrome/grit/generated_resources.h"
  10 #include "chrome/grit/locale_settings.h"
  11 #include "components/constrained_window/constrained_window_views.h"
  12 #include "components/web_modal/popup_manager.h"
  13 #include "content/public/browser/web_contents.h"
  14 #include "ui/base/l10n/l10n_util.h"
  15 #include "ui/native_theme/native_theme.h"
  16 #include "ui/views/border.h"
  17 #include "ui/views/controls/button/checkbox.h"
  18 #include "ui/views/controls/button/image_button.h"
  19 #include "ui/views/controls/button/label_button.h"
  20 #include "ui/views/controls/label.h"
  21 #include "ui/views/controls/menu/menu_runner.h"
  22 #include "ui/views/controls/scroll_view.h"
  23 #include "ui/views/controls/separator.h"
  24 #include "ui/views/layout/box_layout.h"
  25 #include "ui/views/layout/grid_layout.h"
  26 #include "ui/views/layout/layout_constants.h"
  27 #include "ui/views/view.h"
  28 #include "ui/views/widget/widget.h"
  29 #include "ui/views/window/dialog_client_view.h"
  30
  31 namespace {
  32
  33 const int kScrollAreaHeight = 192;
  34
  35 // This container has the right Layout() impl to use within a ScrollView.
  36 class ScrollableView : public views::View {
  37  public:
  38   ScrollableView() {}
  39   ~ScrollableView() override {}
  40
  41   void Layout() override;
  42
  43  private:
  44   DISALLOW_COPY_AND_ASSIGN(ScrollableView);
  45 };
  46
  47 void ScrollableView::Layout() {
  48   gfx::Size pref = GetPreferredSize();
  49   int width = pref.width();
  50   int height = pref.height();
  51   if (parent()) {
  52     width = parent()->width();
  53     height = std::max(parent()->height(), height);
  54   }
  55   SetBounds(x(), y(), width, height);
  56
  57   views::View::Layout();
  58 }
  59
  60 }  // namespace
  61
  62 MediaGalleriesDialogViews::MediaGalleriesDialogViews(
  63     MediaGalleriesDialogController* controller)
  64     : controller_(controller),
  65       contents_(new views::View()),
  66       auxiliary_button_(NULL),
  67       confirm_available_(false),
  68       accepted_(false) {
  69   InitChildViews();
  70   if (ControllerHasWebContents()) {
  71     constrained_window::ShowWebModalDialogViews(this,
  72                                                 controller->WebContents());
  73   }
  74 }
  75
  76 MediaGalleriesDialogViews::~MediaGalleriesDialogViews() {
  77   if (!ControllerHasWebContents())
  78     delete contents_;
  79 }
  80
  81 void MediaGalleriesDialogViews::AcceptDialogForTesting() {
  82   accepted_ = true;
  83
  84   web_modal::PopupManager* popup_manager =
  85       web_modal::PopupManager::FromWebContents(controller_->WebContents());
  86   DCHECK(popup_manager);
  87   popup_manager->CloseAllDialogsForTesting(controller_->WebContents());
  88 }
  89
  90 void MediaGalleriesDialogViews::InitChildViews() {
  91   // Outer dialog layout.
  92   contents_->RemoveAllChildViews(true);
  93   checkbox_map_.clear();
  94
  95   int dialog_content_width = views::Widget::GetLocalizedContentsWidth(
  96       IDS_MEDIA_GALLERIES_DIALOG_CONTENT_WIDTH_CHARS);
  97   views::GridLayout* layout = views::GridLayout::CreatePanel(contents_);
  98   contents_->SetLayoutManager(layout);
  99
 100   int column_set_id = 0;
 101   views::ColumnSet* columns = layout->AddColumnSet(column_set_id);
 102   columns->AddColumn(views::GridLayout::LEADING,
 103                      views::GridLayout::LEADING,
 104                      1,
 105                      views::GridLayout::FIXED,
 106                      dialog_content_width,
 107                      0);
 108
 109   // Message text.
 110   views::Label* subtext = new views::Label(controller_->GetSubtext());
 111   subtext->SetMultiLine(true);
 112   subtext->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 113   layout->StartRow(0, column_set_id);
 114   layout->AddView(
 115       subtext, 1, 1,
 116       views::GridLayout::FILL, views::GridLayout::LEADING,
 117       dialog_content_width, subtext->GetHeightForWidth(dialog_content_width));
 118   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
 119
 120   // Scrollable area for checkboxes.
 121   ScrollableView* scroll_container = new ScrollableView();
 122   scroll_container->SetLayoutManager(new views::BoxLayout(
 123       views::BoxLayout::kVertical, 0, 0,
 124       views::kRelatedControlSmallVerticalSpacing));
 125   scroll_container->SetBorder(
 126       views::Border::CreateEmptyBorder(views::kRelatedControlVerticalSpacing,
 127                                        0,
 128                                        views::kRelatedControlVerticalSpacing,
 129                                        0));
 130
 131   std::vector<base::string16> section_headers =
 132       controller_->GetSectionHeaders();
 133   for (size_t i = 0; i < section_headers.size(); i++) {
 134     MediaGalleriesDialogController::Entries entries =
 135         controller_->GetSectionEntries(i);
 136
 137     // Header and separator line.
 138     if (!section_headers[i].empty() && !entries.empty()) {
 139       views::Separator* separator = new views::Separator(
 140           views::Separator::HORIZONTAL);
 141       scroll_container->AddChildView(separator);
 142
 143       views::Label* header = new views::Label(section_headers[i]);
 144       header->SetMultiLine(true);
 145       header->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 146       header->SetBorder(views::Border::CreateEmptyBorder(
 147           views::kRelatedControlVerticalSpacing,
 148           views::kPanelHorizMargin,
 149           views::kRelatedControlVerticalSpacing,
 150           0));
 151       scroll_container->AddChildView(header);
 152     }
 153
 154     // Checkboxes.
 155     MediaGalleriesDialogController::Entries::const_iterator iter;
 156     for (iter = entries.begin(); iter != entries.end(); ++iter) {
 157       int spacing = 0;
 158       if (iter + 1 == entries.end())
 159         spacing = views::kRelatedControlSmallVerticalSpacing;
 160       AddOrUpdateGallery(*iter, scroll_container, spacing);
 161     }
 162   }
 163
 164   confirm_available_ = controller_->IsAcceptAllowed();
 165
 166   // Add the scrollable area to the outer dialog view. It will squeeze against
 167   // the title/subtitle and buttons to occupy all available space in the dialog.
 168   views::ScrollView* scroll_view =
 169       views::ScrollView::CreateScrollViewWithBorder();
 170   scroll_view->SetContents(scroll_container);
 171   layout->StartRowWithPadding(1, column_set_id,
 172                               0, views::kRelatedControlVerticalSpacing);
 173   layout->AddView(scroll_view, 1, 1,
 174                   views::GridLayout::FILL, views::GridLayout::FILL,
 175                   dialog_content_width, kScrollAreaHeight);
 176 }
 177
 178 void MediaGalleriesDialogViews::UpdateGalleries() {
 179   InitChildViews();
 180   contents_->Layout();
 181
 182   if (ControllerHasWebContents())
 183     GetWidget()->client_view()->AsDialogClientView()->UpdateDialogButtons();
 184 }
 185
 186 bool MediaGalleriesDialogViews::AddOrUpdateGallery(
 187     const MediaGalleriesDialogController::Entry& gallery,
 188     views::View* container,
 189     int trailing_vertical_space) {
 190   bool show_folder_viewer = controller_->ShouldShowFolderViewer(gallery);
 191
 192   CheckboxMap::iterator iter = checkbox_map_.find(gallery.pref_info.pref_id);
 193   if (iter != checkbox_map_.end()) {
 194     views::Checkbox* checkbox = iter->second->checkbox();
 195     checkbox->SetChecked(gallery.selected);
 196     checkbox->SetText(gallery.pref_info.GetGalleryDisplayName());
 197     checkbox->SetTooltipText(gallery.pref_info.GetGalleryTooltip());
 198     base::string16 details = gallery.pref_info.GetGalleryAdditionalDetails();
 199     iter->second->secondary_text()->SetText(details);
 200     iter->second->secondary_text()->SetVisible(details.length() > 0);
 201     iter->second->folder_viewer_button()->SetVisible(show_folder_viewer);
 202     return false;
 203   }
 204
 205   MediaGalleryCheckboxView* gallery_view =
 206       new MediaGalleryCheckboxView(gallery.pref_info, show_folder_viewer,
 207                                    trailing_vertical_space, this, this);
 208   gallery_view->checkbox()->SetChecked(gallery.selected);
 209   container->AddChildView(gallery_view);
 210   checkbox_map_[gallery.pref_info.pref_id] = gallery_view;
 211
 212   return true;
 213 }
 214
 215 base::string16 MediaGalleriesDialogViews::GetWindowTitle() const {
 216   return controller_->GetHeader();
 217 }
 218
 219 void MediaGalleriesDialogViews::DeleteDelegate() {
 220   controller_->DialogFinished(accepted_);
 221 }
 222
 223 views::Widget* MediaGalleriesDialogViews::GetWidget() {
 224   return contents_->GetWidget();
 225 }
 226
 227 const views::Widget* MediaGalleriesDialogViews::GetWidget() const {
 228   return contents_->GetWidget();
 229 }
 230
 231 views::View* MediaGalleriesDialogViews::GetContentsView() {
 232   return contents_;
 233 }
 234
 235 base::string16 MediaGalleriesDialogViews::GetDialogButtonLabel(
 236     ui::DialogButton button) const {
 237   if (button == ui::DIALOG_BUTTON_OK)
 238     return controller_->GetAcceptButtonText();
 239   return l10n_util::GetStringUTF16(IDS_MEDIA_GALLERIES_DIALOG_CANCEL);
 240 }
 241
 242 bool MediaGalleriesDialogViews::IsDialogButtonEnabled(
 243     ui::DialogButton button) const {
 244   return button != ui::DIALOG_BUTTON_OK || confirm_available_;
 245 }
 246
 247 ui::ModalType MediaGalleriesDialogViews::GetModalType() const {
 248   return ui::MODAL_TYPE_CHILD;
 249 }
 250
 251 views::View* MediaGalleriesDialogViews::CreateExtraView() {
 252   DCHECK(!auxiliary_button_);
 253   base::string16 button_label = controller_->GetAuxiliaryButtonText();
 254   if (!button_label.empty()) {
 255     auxiliary_button_ = new views::LabelButton(this, button_label);
 256     auxiliary_button_->SetStyle(views::Button::STYLE_BUTTON);
 257   }
 258   return auxiliary_button_;
 259 }
 260
 261 bool MediaGalleriesDialogViews::Cancel() {
 262   return true;
 263 }
 264
 265 bool MediaGalleriesDialogViews::Accept() {
 266   accepted_ = true;
 267   return true;
 268 }
 269
 270 void MediaGalleriesDialogViews::ButtonPressed(views::Button* sender,
 271                                               const ui::Event& /* event */) {
 272   confirm_available_ = true;
 273
 274   if (ControllerHasWebContents())
 275     GetWidget()->client_view()->AsDialogClientView()->UpdateDialogButtons();
 276
 277   if (sender == auxiliary_button_) {
 278     controller_->DidClickAuxiliaryButton();
 279     return;
 280   }
 281
 282   for (CheckboxMap::const_iterator iter = checkbox_map_.begin();
 283        iter != checkbox_map_.end(); ++iter) {
 284     if (sender == iter->second->checkbox()) {
 285       controller_->DidToggleEntry(iter->first,
 286                                   iter->second->checkbox()->checked());
 287       return;
 288     }
 289     if (sender == iter->second->folder_viewer_button()) {
 290       controller_->DidClickOpenFolderViewer(iter->first);
 291       return;
 292     }
 293   }
 294 }
 295
 296 void MediaGalleriesDialogViews::ShowContextMenuForView(
 297     views::View* source,
 298     const gfx::Point& point,
 299     ui::MenuSourceType source_type) {
 300   for (CheckboxMap::const_iterator iter = checkbox_map_.begin();
 301        iter != checkbox_map_.end(); ++iter) {
 302     if (iter->second->Contains(source)) {
 303       ShowContextMenu(point, source_type, iter->first);
 304       return;
 305     }
 306   }
 307 }
 308
 309 void MediaGalleriesDialogViews::ShowContextMenu(const gfx::Point& point,
 310                                                 ui::MenuSourceType source_type,
 311                                                 MediaGalleryPrefId id) {
 312   context_menu_runner_.reset(new views::MenuRunner(
 313       controller_->GetContextMenu(id),
 314       views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
 315
 316   if (context_menu_runner_->RunMenuAt(GetWidget(),
 317                                       NULL,
 318                                       gfx::Rect(point.x(), point.y(), 0, 0),
 319                                       views::MENU_ANCHOR_TOPLEFT,
 320                                       source_type) ==
 321       views::MenuRunner::MENU_DELETED) {
 322     return;
 323   }
 324 }
 325
 326 bool MediaGalleriesDialogViews::ControllerHasWebContents() const {
 327   return controller_->WebContents() != NULL;
 328 }
 329
 330 // MediaGalleriesDialogViewsController -----------------------------------------
 331
 332 // static
 333 MediaGalleriesDialog* MediaGalleriesDialog::Create(
 334     MediaGalleriesDialogController* controller) {
 335   return new MediaGalleriesDialogViews(controller);
 336 }