Home | History | Annotate | Download | only in extensions 
      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/constrained_window_views.h"
      9 #include "chrome/browser/ui/views/extensions/media_gallery_checkbox_view.h"
     10 #include "chrome/grit/generated_resources.h"
     11 #include "chrome/grit/locale_settings.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   virtual ~ScrollableView() {}
     40 
     41   virtual 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 }
    335