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