ash/accelerators/debug_commands.cc

   1 // Copyright 2013 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 "ash/accelerators/accelerator_commands.h"
   6
   7 #include "ash/desktop_background/desktop_background_controller.h"
   8 #include "ash/desktop_background/user_wallpaper_delegate.h"
   9 #include "ash/shell.h"
  10 #include "third_party/skia/include/core/SkColor.h"
  11 #include "third_party/skia/include/core/SkPaint.h"
  12 #include "ui/gfx/canvas.h"
  13 #include "ui/gfx/image/image_skia.h"
  14
  15 namespace ash {
  16 namespace debug {
  17 namespace {
  18
  19 gfx::ImageSkia CreateWallpaperImage(SkColor fill, SkColor rect) {
  20   // TODO(oshima): Consider adding a command line option to control
  21   // wallpaper images for testing.
  22   // The size is randomly picked.
  23   gfx::Size image_size(1366, 768);
  24   gfx::Canvas canvas(image_size, 1.0f, true);
  25   canvas.DrawColor(fill);
  26   SkPaint paint;
  27   paint.setColor(rect);
  28   paint.setStrokeWidth(10);
  29   paint.setStyle(SkPaint::kStroke_Style);
  30   paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
  31   canvas.DrawRoundRect(gfx::Rect(image_size), 100, paint);
  32   return gfx::ImageSkia(canvas.ExtractImageRep());
  33 }
  34
  35 }  // namespace
  36
  37 bool CycleDesktopBackgroundMode() {
  38   static int index = 0;
  39   DesktopBackgroundController* desktop_background_controller =
  40       Shell::GetInstance()->desktop_background_controller();
  41   switch (++index % 4) {
  42     case 0:
  43       ash::Shell::GetInstance()->user_wallpaper_delegate()->
  44           InitializeWallpaper();
  45       break;
  46     case 1:
  47       desktop_background_controller->SetCustomWallpaper(
  48           CreateWallpaperImage(SK_ColorRED, SK_ColorBLUE),
  49           WALLPAPER_LAYOUT_STRETCH);
  50       break;
  51     case 2:
  52       desktop_background_controller->SetCustomWallpaper(
  53           CreateWallpaperImage(SK_ColorBLUE, SK_ColorGREEN),
  54           WALLPAPER_LAYOUT_CENTER);
  55       break;
  56     case 3:
  57       desktop_background_controller->SetCustomWallpaper(
  58           CreateWallpaperImage(SK_ColorGREEN, SK_ColorRED),
  59           WALLPAPER_LAYOUT_CENTER_CROPPED);
  60       break;
  61   }
  62   return true;
  63 }
  64
  65 }  // namespace debug
  66 }  // namespace ash