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