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/contents_view.h"
  13 #include "ui/app_list/views/search_box_view.h"
  14 #include "ui/gfx/canvas.h"
  15 #include "ui/gfx/geometry/rect.h"
  16 #include "ui/gfx/skia_util.h"
  17 #include "ui/views/view.h"
  18
  19 namespace app_list {
  20
  21 AppListBackground::AppListBackground(int corner_radius)
  22     : corner_radius_(corner_radius) {
  23 }
  24
  25 AppListBackground::~AppListBackground() {
  26 }
  27
  28 void AppListBackground::Paint(gfx::Canvas* canvas,
  29                               views::View* view) const {
  30   gfx::Rect bounds = view->GetContentsBounds();
  31
  32   if (corner_radius_ > 0) {
  33     canvas->Save();
  34     SkPath path;
  35     // Contents corner radius is 1px smaller than border corner radius.
  36     SkScalar radius = SkIntToScalar(corner_radius_ - 1);
  37     path.addRoundRect(gfx::RectToSkRect(bounds), radius, radius);
  38     canvas->ClipPath(path, false);
  39   }
  40
  41   SkPaint paint;
  42   paint.setStyle(SkPaint::kFill_Style);
  43
  44   int contents_top = bounds.y();
  45   gfx::Rect contents_rect(bounds.x(),
  46                           contents_top,
  47                           bounds.width(),
  48                           bounds.bottom() - contents_top);
  49
  50   paint.setColor(kContentsBackgroundColor);
  51   canvas->DrawRect(contents_rect, paint);
  52
  53   if (corner_radius_ > 0)
  54     canvas->Restore();
  55 }
  56
  57 }  // namespace app_list