src/ui/app_list/views/app_list_background.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 "ui/app_list/views/app_list_background.h"
   6
   7 #include "base/command_line.h"
   8 #include "grit/ui_resources.h"
   9 #include "third_party/skia/include/core/SkPaint.h"
  10 #include "third_party/skia/include/core/SkPath.h"
  11 #include "ui/app_list/app_list_constants.h"
  12 #include "ui/app_list/app_list_switches.h"
  13 #include "ui/app_list/views/app_list_main_view.h"
  14 #include "ui/app_list/views/contents_view.h"
  15 #include "ui/app_list/views/search_box_view.h"
  16 #include "ui/base/resource/resource_bundle.h"
  17 #include "ui/gfx/canvas.h"
  18 #include "ui/gfx/rect.h"
  19 #include "ui/gfx/skia_util.h"
  20 #include "ui/views/view.h"
  21
  22 namespace {
  23
  24 // Size of top separator between searchbox and grid view.
  25 const int kTopSeparatorSize = 1;
  26
  27 // Size of bottom separator between contents view and contents switcher.
  28 const int kBottomSeparatorSize = 1;
  29
  30 }  // namespace
  31
  32 namespace app_list {
  33
  34 AppListBackground::AppListBackground(int corner_radius,
  35                                      AppListMainView* main_view)
  36     : corner_radius_(corner_radius),
  37       main_view_(main_view) {
  38 }
  39
  40 AppListBackground::~AppListBackground() {
  41 }
  42
  43 void AppListBackground::Paint(gfx::Canvas* canvas,
  44                               views::View* view) const {
  45   gfx::Rect bounds = view->GetContentsBounds();
  46
  47   canvas->Save();
  48   SkPath path;
  49   // Contents corner radius is 1px smaller than border corner radius.
  50   SkScalar radius = SkIntToScalar(corner_radius_ - 1);
  51   path.addRoundRect(gfx::RectToSkRect(bounds), radius, radius);
  52   canvas->ClipPath(path);
  53
  54   SkPaint paint;
  55   paint.setStyle(SkPaint::kFill_Style);
  56
  57   int contents_top = bounds.y();
  58   views::View* search_box_view = main_view_->search_box_view();
  59   if (main_view_->visible() && search_box_view->visible()) {
  60     const gfx::Rect search_box_view_bounds =
  61         search_box_view->ConvertRectToWidget(search_box_view->GetLocalBounds());
  62     gfx::Rect search_box_rect(bounds.x(),
  63                               bounds.y(),
  64                               bounds.width(),
  65                               search_box_view_bounds.bottom() - bounds.y());
  66
  67     paint.setColor(kSearchBoxBackground);
  68     canvas->DrawRect(search_box_rect, paint);
  69
  70     gfx::Rect separator_rect(search_box_rect);
  71     separator_rect.set_y(separator_rect.bottom());
  72     separator_rect.set_height(kTopSeparatorSize);
  73     canvas->FillRect(separator_rect, kTopSeparatorColor);
  74     contents_top = separator_rect.bottom();
  75   }
  76
  77   gfx::Rect contents_rect(bounds.x(),
  78                           contents_top,
  79                           bounds.width(),
  80                           bounds.bottom() - contents_top);
  81
  82   paint.setColor(kContentsBackgroundColor);
  83   canvas->DrawRect(contents_rect, paint);
  84
  85   if (app_list::switches::IsExperimentalAppListEnabled()) {
  86     if (main_view_->visible()) {
  87       views::View* contents_view = main_view_->contents_view();
  88       const gfx::Rect contents_view_view_bounds =
  89           contents_view->ConvertRectToWidget(contents_view->GetLocalBounds());
  90       gfx::Rect separator_rect(contents_rect);
  91       separator_rect.set_y(contents_view_view_bounds.bottom());
  92       separator_rect.set_height(kBottomSeparatorSize);
  93       canvas->FillRect(separator_rect, kBottomSeparatorColor);
  94       int contents_switcher_top = separator_rect.bottom();
  95       gfx::Rect contents_switcher_rect(bounds.x(),
  96                                        contents_switcher_top,
  97                                        bounds.width(),
  98                                        bounds.bottom() - contents_switcher_top);
  99       paint.setColor(kContentsSwitcherBackgroundColor);
 100       canvas->DrawRect(contents_switcher_rect, paint);
 101     }
 102
 103     // Draw a banner in the corner of the app list if it is the experimental app
 104     // list.
 105     const gfx::ImageSkia& experimental_icon =
 106         *ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
 107              IDR_APP_LIST_EXPERIMENTAL_ICON);
 108     canvas->DrawImageInt(experimental_icon,
 109                          contents_rect.right() - experimental_icon.width(),
 110                          contents_rect.bottom() - experimental_icon.height());
 111   }
 112
 113   canvas->Restore();
 114 }
 115
 116 }  // namespace app_list