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// 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.
#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_API_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_API_H_
#include "base/threading/sequenced_worker_pool.h"
#include "chrome/browser/chromeos/extensions/wallpaper_function_base.h"
#include "chrome/common/extensions/api/wallpaper.h"
#include "net/url_request/url_request_status.h"
// Implementation of chrome.wallpaper.setWallpaper API.
// After this API being called, a jpeg encoded wallpaper will be saved to
// /home/chronos/custom_wallpaper/{resolution}/{user_id_hash}/file_name. The
// wallpaper can then persistent after Chrome restart. New call to this API
// will replace the previous saved wallpaper with new one.
// Note: For security reason, the original encoded wallpaper image is not saved
// directly. It is decoded and re-encoded to jpeg format before saved to file
// system.
class WallpaperSetWallpaperFunction : public WallpaperFunctionBase {
public:
DECLARE_EXTENSION_FUNCTION("wallpaper.setWallpaper",
WALLPAPER_SETWALLPAPER)
WallpaperSetWallpaperFunction();
protected:
virtual ~WallpaperSetWallpaperFunction();
// AsyncExtensionFunction overrides.
virtual bool RunAsync() override;
private:
virtual void OnWallpaperDecoded(const gfx::ImageSkia& image) override;
// Generates thumbnail of custom wallpaper. A simple STRETCH is used for
// generating thumbnail.
void GenerateThumbnail(const base::FilePath& thumbnail_path,
scoped_ptr<gfx::ImageSkia> image);
// Thumbnail is ready. Calls api function javascript callback.
void ThumbnailGenerated(base::RefCountedBytes* data);
// Called by OnURLFetchComplete().
void OnWallpaperFetched(bool success, const std::string& response);
scoped_ptr<extensions::api::wallpaper::SetWallpaper::Params> params_;
// Unique file name of the custom wallpaper.
std::string file_name_;
// User id of the user who initiate this API call.
std::string user_id_;
// User id hash of the logged in user.
std::string user_id_hash_;
// Sequence token associated with wallpaper operations. Shared with
// WallpaperManager.
base::SequencedWorkerPool::SequenceToken sequence_token_;
};
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_API_H_
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