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 "third_party/skia/include/core/SkPaint.h"
   8 #include "third_party/skia/include/core/SkPath.h"
   9 #include "ui/app_list/app_list_constants.h"
  10 #include "ui/app_list/views/app_list_main_view.h"
  11 #include "ui/app_list/views/search_box_view.h"
  12 #include "ui/gfx/canvas.h"
  13 #include "ui/gfx/rect.h"
  14 #include "ui/gfx/skia_util.h"
  15 #include "ui/views/view.h"
  16
  17 namespace {
  18
  19 // Size of top separator between searchbox and grid view.
  20 const int kTopSeparatorSize = 1;
  21
  22 }  // namespace
  23
  24 namespace app_list {
  25
  26 AppListBackground::AppListBackground(int corner_radius,
  27                                      AppListMainView* main_view)
  28     : corner_radius_(corner_radius),
  29       main_view_(main_view) {
  30 }
  31
  32 AppListBackground::~AppListBackground() {
  33 }
  34
  35 void AppListBackground::Paint(gfx::Canvas* canvas,
  36                               views::View* view) const {
  37   gfx::Rect bounds = view->GetContentsBounds();
  38
  39   canvas->Save();
  40   SkPath path;
  41   // Contents corner radius is 1px smaller than border corner radius.
  42   SkScalar radius = SkIntToScalar(corner_radius_ - 1);
  43   path.addRoundRect(gfx::RectToSkRect(bounds), radius, radius);
  44   canvas->ClipPath(path);
  45
  46   SkPaint paint;
  47   paint.setStyle(SkPaint::kFill_Style);
  48
  49   int contents_top = bounds.y();
  50   if (main_view_->visible()) {
  51     views::View* search_box_view = main_view_->search_box_view();
  52     const gfx::Rect search_box_view_bounds =
  53         search_box_view->ConvertRectToWidget(search_box_view->GetLocalBounds());
  54     gfx::Rect search_box_rect(bounds.x(),
  55                               bounds.y(),
  56                               bounds.width(),
  57                               search_box_view_bounds.bottom() - bounds.y());
  58
  59     paint.setColor(kSearchBoxBackground);
  60     canvas->DrawRect(search_box_rect, paint);
  61
  62     gfx::Rect seperator_rect(search_box_rect);
  63     seperator_rect.set_y(seperator_rect.bottom());
  64     seperator_rect.set_height(kTopSeparatorSize);
  65     canvas->FillRect(seperator_rect, kTopSeparatorColor);
  66     contents_top = seperator_rect.bottom();
  67   }
  68
  69   gfx::Rect contents_rect(bounds.x(),
  70                           contents_top,
  71                           bounds.width(),
  72                           bounds.bottom() - contents_top);
  73
  74   paint.setColor(kContentsBackgroundColor);
  75   canvas->DrawRect(contents_rect, paint);
  76   canvas->Restore();
  77 }
  78
  79 }  // namespace app_list