// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/accelerators/accelerator_commands.h"
#include "ash/desktop_background/desktop_background_controller.h"
#include "ash/desktop_background/user_wallpaper_delegate.h"
#include "ash/shell.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkPaint.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/image_skia.h"
namespace ash {
namespace debug {
namespace {
gfx::ImageSkia CreateWallpaperImage(SkColor fill, SkColor rect) {
// TODO(oshima): Consider adding a command line option to control
// wallpaper images for testing.
// The size is randomly picked.
gfx::Size image_size(1366, 768);
gfx::Canvas canvas(image_size, 1.0f, true);
canvas.DrawColor(fill);
SkPaint paint;
paint.setColor(rect);
paint.setStrokeWidth(10);
paint.setStyle(SkPaint::kStroke_Style);
paint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
canvas.DrawRoundRect(gfx::Rect(image_size), 100, paint);
return gfx::ImageSkia(canvas.ExtractImageRep());
}
} // namespace
bool CycleDesktopBackgroundMode() {
static int index = 0;
DesktopBackgroundController* desktop_background_controller =
Shell::GetInstance()->desktop_background_controller();
switch (++index % 4) {
case 0:
ash::Shell::GetInstance()->user_wallpaper_delegate()->
InitializeWallpaper();
break;
case 1:
desktop_background_controller->SetCustomWallpaper(
CreateWallpaperImage(SK_ColorRED, SK_ColorBLUE),
WALLPAPER_LAYOUT_STRETCH);
break;
case 2:
desktop_background_controller->SetCustomWallpaper(
CreateWallpaperImage(SK_ColorBLUE, SK_ColorGREEN),
WALLPAPER_LAYOUT_CENTER);
break;
case 3:
desktop_background_controller->SetCustomWallpaper(
CreateWallpaperImage(SK_ColorGREEN, SK_ColorRED),
WALLPAPER_LAYOUT_CENTER_CROPPED);
break;
}
return true;
}
} // namespace debug
} // namespace ash