src/ui/app_list/views/app_list_folder_view.cc

   1 // Copyright 2013 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 "ui/app_list/views/app_list_folder_view.h"
   6
   7 #include "ui/app_list/app_list_constants.h"
   8 #include "ui/app_list/app_list_folder_item.h"
   9 #include "ui/app_list/app_list_model.h"
  10 #include "ui/app_list/pagination_model.h"
  11 #include "ui/app_list/views/app_list_main_view.h"
  12 #include "ui/app_list/views/apps_container_view.h"
  13 #include "ui/app_list/views/apps_grid_view.h"
  14 #include "ui/app_list/views/contents_view.h"
  15 #include "ui/app_list/views/folder_header_view.h"
  16 #include "ui/views/view_model.h"
  17 #include "ui/views/view_model_utils.h"
  18
  19 namespace app_list {
  20
  21 namespace {
  22
  23 // Indexes of interesting views in ViewModel of AppListFolderView.
  24 const int kIndexFolderHeader = 0;
  25 const int kIndexChildItems = 1;
  26
  27 }  // namespace
  28
  29 AppListFolderView::AppListFolderView(AppsContainerView* container_view,
  30                                      AppListModel* model,
  31                                      AppListMainView* app_list_main_view,
  32                                      content::WebContents* start_page_contents)
  33     : container_view_(container_view),
  34       folder_header_view_(new FolderHeaderView(this)),
  35       view_model_(new views::ViewModel),
  36       folder_item_(NULL),
  37       pagination_model_(new PaginationModel) {
  38   AddChildView(folder_header_view_);
  39   view_model_->Add(folder_header_view_, kIndexFolderHeader);
  40
  41   items_grid_view_ = new AppsGridView(
  42       app_list_main_view, pagination_model_.get(), NULL);
  43   items_grid_view_->SetLayout(kPreferredIconDimension,
  44                               kPreferredCols,
  45                               kPreferredRows);
  46   items_grid_view_->SetModel(model);
  47   AddChildView(items_grid_view_);
  48   view_model_->Add(items_grid_view_, kIndexChildItems);
  49 }
  50
  51 AppListFolderView::~AppListFolderView() {
  52   // Make sure |items_grid_view_| is deleted before |pagination_model_|.
  53   RemoveAllChildViews(true);
  54 }
  55
  56 void AppListFolderView::SetAppListFolderItem(AppListFolderItem* folder) {
  57   folder_item_ = folder;
  58   items_grid_view_->SetItemList(folder_item_->item_list());
  59   folder_header_view_->SetFolderItem(folder_item_);
  60 }
  61
  62 gfx::Size AppListFolderView::GetPreferredSize() {
  63   const gfx::Size header_size = folder_header_view_->GetPreferredSize();
  64   const gfx::Size grid_size = items_grid_view_->GetPreferredSize();
  65   int width = std::max(header_size.width(), grid_size.width());
  66   int height = header_size.height() + grid_size.height();
  67   return gfx::Size(width, height);
  68 }
  69
  70 void AppListFolderView::Layout() {
  71   CalculateIdealBounds();
  72   views::ViewModelUtils::SetViewBoundsToIdealBounds(*view_model_);
  73 }
  74
  75 void AppListFolderView::CalculateIdealBounds() {
  76   gfx::Rect rect(GetContentsBounds());
  77   if (rect.IsEmpty())
  78     return;
  79
  80   gfx::Rect header_frame(rect);
  81   gfx::Size size = folder_header_view_->GetPreferredSize();
  82   header_frame.set_height(size.height());
  83   view_model_->set_ideal_bounds(kIndexFolderHeader, header_frame);
  84
  85   gfx::Rect grid_frame(rect);
  86   grid_frame.set_y(header_frame.height());
  87   view_model_->set_ideal_bounds(kIndexChildItems, grid_frame);
  88 }
  89
  90 void AppListFolderView::NavigateBack(AppListFolderItem* item,
  91                                      const ui::Event& event_flags) {
  92   container_view_->ShowApps();
  93 }
  94
  95 }  // namespace app_list