1// Copyright 2014 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#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_TEST_UTILS_H_ 6#define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_TEST_UTILS_H_ 7 8#include <vector> 9 10#include "ash/ash_constants.h" 11#include "ui/gfx/image/image_skia.h" 12 13namespace base { 14class CommandLine; 15class ScopedTempDir; 16} // namespace base 17 18namespace chromeos { 19namespace wallpaper_manager_test_utils { 20 21// Colors used for different default wallpapers by CreateCmdlineWallpapers(). 22extern const SkColor kLargeDefaultWallpaperColor; 23extern const SkColor kSmallDefaultWallpaperColor; 24extern const SkColor kLargeGuestWallpaperColor; 25extern const SkColor kSmallGuestWallpaperColor; 26 27// A custom color, specifically chosen to not 28// conflict with any of the default wallpaper colors. 29extern const SkColor kCustomWallpaperColor; 30 31// Dimension used for width and height of default wallpaper images. A 32// small value is used to minimize the amount of time spent compressing 33// and writing images. 34extern const int kWallpaperSize; 35 36// Creates compressed JPEG image of solid color. 37// Result bytes are written to |output|. 38// Returns true if gfx::JPEGCodec::Encode() succeeds. 39bool CreateJPEGImage(int width, 40 int height, 41 SkColor color, 42 std::vector<unsigned char>* output); 43 44// Creates a test image of given size. 45gfx::ImageSkia CreateTestImage(int width, int height, SkColor color); 46 47// Writes a JPEG image of the specified size and color to |path|. Returns 48// true on success. 49bool WriteJPEGFile(const base::FilePath& path, 50 int width, 51 int height, 52 SkColor color); 53 54// Returns true if the color at the center of |image| is close to 55// |expected_color|. (The center is used so small wallpaper images can be 56// used.) 57bool ImageIsNearColor(gfx::ImageSkia image, SkColor expected_color); 58 59// Wait until all wallpaper loading is done, and WallpaperManager comes into 60// a stable state. 61void WaitAsyncWallpaperLoadFinished(); 62 63// Initializes default wallpaper paths "*default_*file" and writes JPEG 64// wallpaper images to them. 65// Only needs to be called (once) by tests that want to test loading of 66// default wallpapers. 67void CreateCmdlineWallpapers(const base::ScopedTempDir& dir, 68 scoped_ptr<base::CommandLine>* command_line); 69 70} // namespace wallpaper_manager_test_utils 71} // namespace chromeos 72 73#endif // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_TEST_UTILS_H_ 74