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