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

   1 // Copyright 2014 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_gallery_checkbox_view.h"
   6
   7 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
   8 #include "chrome/grit/generated_resources.h"
   9 #include "grit/theme_resources.h"
  10 #include "third_party/skia/include/core/SkColor.h"
  11 #include "ui/base/l10n/l10n_util.h"
  12 #include "ui/base/resource/resource_bundle.h"
  13 #include "ui/gfx/geometry/rect.h"
  14 #include "ui/views/border.h"
  15 #include "ui/views/context_menu_controller.h"
  16 #include "ui/views/controls/button/button.h"
  17 #include "ui/views/controls/button/checkbox.h"
  18 #include "ui/views/controls/button/image_button.h"
  19 #include "ui/views/controls/label.h"
  20 #include "ui/views/layout/box_layout.h"
  21 #include "ui/views/layout/layout_constants.h"
  22
  23 namespace {
  24
  25 // Equal to the #9F9F9F color used in spec (note WebUI color is #999).
  26 const SkColor kDeemphasizedTextColor = SkColorSetRGB(159, 159, 159);
  27
  28 }  // namespace
  29
  30 MediaGalleryCheckboxView::MediaGalleryCheckboxView(
  31     const MediaGalleryPrefInfo& pref_info,
  32     bool show_folder_button,
  33     int trailing_vertical_space,
  34     views::ButtonListener* button_listener,
  35     views::ContextMenuController* menu_controller) {
  36   DCHECK(button_listener != NULL);
  37   SetLayoutManager(
  38       new views::BoxLayout(views::BoxLayout::kHorizontal, 0, 0, 0));
  39   SetBorder(views::Border::CreateEmptyBorder(
  40       0, views::kPanelHorizMargin, trailing_vertical_space,
  41       views::kPanelHorizMargin));
  42   if (menu_controller)
  43     set_context_menu_controller(menu_controller);
  44
  45   checkbox_ = new views::Checkbox(pref_info.GetGalleryDisplayName());
  46   checkbox_->set_listener(button_listener);
  47   if (menu_controller)
  48     checkbox_->set_context_menu_controller(menu_controller);
  49   checkbox_->SetElideBehavior(gfx::ELIDE_MIDDLE);
  50   base::string16 tooltip_text = pref_info.GetGalleryTooltip();
  51   checkbox_->SetTooltipText(tooltip_text);
  52
  53   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
  54   folder_viewer_button_ = new views::ImageButton(button_listener);
  55   if (menu_controller)
  56     folder_viewer_button_->set_context_menu_controller(menu_controller);
  57   folder_viewer_button_->SetImage(views::ImageButton::STATE_NORMAL,
  58                                   rb.GetImageSkiaNamed(IDR_FILE_FOLDER));
  59   folder_viewer_button_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
  60                                            views::ImageButton::ALIGN_MIDDLE);
  61   folder_viewer_button_->SetAccessibleName(l10n_util::GetStringUTF16(
  62       IDS_MEDIA_GALLERIES_SCAN_RESULT_OPEN_FOLDER_VIEW_ACCESSIBILITY_NAME));
  63   folder_viewer_button_->SetFocusable(true);
  64   folder_viewer_button_->SetVisible(show_folder_button);
  65   folder_viewer_button_->SetBorder(views::Border::CreateEmptyBorder(
  66       0, views::kRelatedControlSmallHorizontalSpacing, 0, 0));
  67
  68   base::string16 details = pref_info.GetGalleryAdditionalDetails();
  69   secondary_text_ = new views::Label(details);
  70   if (menu_controller)
  71     secondary_text_->set_context_menu_controller(menu_controller);
  72   secondary_text_->SetVisible(details.length() > 0);
  73   secondary_text_->SetEnabledColor(kDeemphasizedTextColor);
  74   secondary_text_->SetElideBehavior(gfx::ELIDE_HEAD);
  75   secondary_text_->SetTooltipText(tooltip_text);
  76   secondary_text_->SetBorder(views::Border::CreateEmptyBorder(
  77       0, views::kRelatedControlSmallHorizontalSpacing, 0, 0));
  78
  79   AddChildView(checkbox_);
  80   AddChildView(folder_viewer_button_);
  81   AddChildView(secondary_text_);
  82 }
  83
  84 MediaGalleryCheckboxView::~MediaGalleryCheckboxView() {}
  85
  86 void MediaGalleryCheckboxView::Layout() {
  87   views::View::Layout();
  88   if (GetPreferredSize().width() <= GetLocalBounds().width())
  89     return;
  90
  91   // If box layout doesn't fit, do custom layout. The folder_viewer_button and
  92   // the secondary text should take up at most half of the space and the
  93   // checkbox can take up what ever is left.
  94   int checkbox_width = checkbox_->GetPreferredSize().width();
  95   int folder_viewer_width = folder_viewer_button_->GetPreferredSize().width();
  96   int secondary_text_width = secondary_text_->GetPreferredSize().width();
  97   if (!folder_viewer_button_->visible())
  98     folder_viewer_width = 0;
  99   if (!secondary_text_->visible())
 100     secondary_text_width = 0;
 101
 102   gfx::Rect area(GetLocalBounds());
 103   area.Inset(GetInsets());
 104
 105   if (folder_viewer_width + secondary_text_width > area.width() / 2) {
 106     secondary_text_width =
 107         std::max(area.width() / 2 - folder_viewer_width,
 108                  area.width() - folder_viewer_width - checkbox_width);
 109   }
 110   checkbox_width = area.width() - folder_viewer_width - secondary_text_width;
 111
 112   checkbox_->SetBounds(area.x(), area.y(), checkbox_width, area.height());
 113   if (folder_viewer_button_->visible()) {
 114     folder_viewer_button_->SetBounds(checkbox_->x() + checkbox_width, area.y(),
 115                                      folder_viewer_width, area.height());
 116   }
 117   if (secondary_text_->visible()) {
 118     secondary_text_->SetBounds(
 119         checkbox_->x() + checkbox_width + folder_viewer_width,
 120         area.y(), secondary_text_width, area.height());
 121   }
 122 }