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 bottom separator between contents view and contents switcher.
  23 const int kBottomSeparatorSize = 1;
  24
  25 }  // namespace
  26
  27 namespace app_list {
  28
  29 AppListBackground::AppListBackground(int corner_radius,
  30                                      AppListMainView* main_view)
  31     : corner_radius_(corner_radius),
  32       main_view_(main_view) {
  33 }
  34
  35 AppListBackground::~AppListBackground() {
  36 }
  37
  38 void AppListBackground::Paint(gfx::Canvas* canvas,
  39                               views::View* view) const {
  40   gfx::Rect bounds = view->GetContentsBounds();
  41
  42   canvas->Save();
  43   SkPath path;
  44   // Contents corner radius is 1px smaller than border corner radius.
  45   SkScalar radius = SkIntToScalar(corner_radius_ - 1);
  46   path.addRoundRect(gfx::RectToSkRect(bounds), radius, radius);
  47   canvas->ClipPath(path, false);
  48
  49   SkPaint paint;
  50   paint.setStyle(SkPaint::kFill_Style);
  51
  52   int contents_top = bounds.y();
  53   gfx::Rect contents_rect(bounds.x(),
  54                           contents_top,
  55                           bounds.width(),
  56                           bounds.bottom() - contents_top);
  57
  58   paint.setColor(kContentsBackgroundColor);
  59   canvas->DrawRect(contents_rect, paint);
  60
  61   if (app_list::switches::IsExperimentalAppListEnabled()) {
  62     if (main_view_->visible()) {
  63       views::View* contents_view = main_view_->contents_view();
  64       const gfx::Rect contents_view_view_bounds =
  65           contents_view->ConvertRectToWidget(contents_view->GetLocalBounds());
  66       gfx::Rect separator_rect(contents_rect);
  67       separator_rect.Inset(
  68           kExperimentalWindowPadding + main_view_->GetInsets().left(), 0);
  69       separator_rect.set_y(contents_view_view_bounds.bottom() - 1);
  70       separator_rect.set_height(kBottomSeparatorSize);
  71       canvas->FillRect(separator_rect, kBottomSeparatorColor);
  72     }
  73   }
  74
  75   canvas->Restore();
  76 }
  77
  78 }  // namespace app_list