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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_APP_MODE_KIOSK_APP_DATA_H_
#define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_
#include <string>
#include "base/basictypes.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/extensions/webstore_data_fetcher_delegate.h"
#include "ui/gfx/image/image_skia.h"
namespace base {
class RefCountedString;
}
namespace extensions {
class WebstoreDataFetcher;
}
namespace net {
class URLRequestContextGetter;
}
namespace chromeos {
class KioskAppDataDelegate;
// Fetches an app's web store data and manages the cached info such as name
// and icon.
class KioskAppData : public base::SupportsWeakPtr<KioskAppData>,
public extensions::WebstoreDataFetcherDelegate {
public:
enum Status {
STATUS_INIT, // Data initialized with app id.
STATUS_LOADING, // Loading data from cache or web store.
STATUS_LOADED, // Data loaded.
STATUS_ERROR, // Failed to load data.
};
KioskAppData(KioskAppDataDelegate* delegate,
const std::string& app_id,
const std::string& user_id);
virtual ~KioskAppData();
// Loads app data from cache. If there is no cached data, fetches it
// from web store.
void Load();
// Clears locally cached data.
void ClearCache();
// Returns true if web store data fetching is in progress.
bool IsLoading() const;
const std::string& app_id() const { return app_id_; }
const std::string& user_id() const { return user_id_; }
const std::string& name() const { return name_; }
const gfx::ImageSkia& icon() const { return icon_; }
const base::RefCountedString* raw_icon() const {
return raw_icon_.get();
}
Status status() const { return status_; }
private:
class IconLoader;
class WebstoreDataParser;
void SetStatus(Status status);
// Returns URLRequestContextGetter to use for fetching web store data.
net::URLRequestContextGetter* GetRequestContextGetter();
// Loads the locally cached data. Return false if there is none.
bool LoadFromCache();
// Sets the cached data.
void SetCache(const std::string& name, const base::FilePath& icon_path);
// Callbacks for IconLoader.
void OnIconLoadSuccess(const scoped_refptr<base::RefCountedString>& raw_icon,
const gfx::ImageSkia& icon);
void OnIconLoadFailure();
// Callbacks for WebstoreDataParser
void OnWebstoreParseSuccess(const SkBitmap& icon);
void OnWebstoreParseFailure();
// Starts to fetch data from web store.
void StartFetch();
// extensions::WebstoreDataFetcherDelegate overrides:
virtual void OnWebstoreRequestFailure() OVERRIDE;
virtual void OnWebstoreResponseParseSuccess(
scoped_ptr<base::DictionaryValue> webstore_data) OVERRIDE;
virtual void OnWebstoreResponseParseFailure(
const std::string& error) OVERRIDE;
// Helper function for testing for the existence of |key| in
// |response|. Passes |key|'s content via |value| and returns
// true when |key| is present.
bool CheckResponseKeyValue(const base::DictionaryValue* response,
const char* key,
std::string* value);
KioskAppDataDelegate* delegate_; // not owned.
Status status_;
std::string app_id_;
std::string user_id_;
std::string name_;
gfx::ImageSkia icon_;
scoped_refptr<base::RefCountedString> raw_icon_;
scoped_ptr<extensions::WebstoreDataFetcher> webstore_fetcher_;
base::FilePath icon_path_;
DISALLOW_COPY_AND_ASSIGN(KioskAppData);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_DATA_H_
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