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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_APP_ICON_LOADER_H_
#define CHROME_BROWSER_UI_APP_ICON_LOADER_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/app_icon_loader_delegate.h"
class Profile;
// Base class that loads and updates Chrome app's icons.
// TODO(khmel): Switch to using ChromeAppIconService instead ChromeAppIconLoader
// and ArcAppIconLoader.
class AppIconLoader {
public:
AppIconLoader(const AppIconLoader&) = delete;
AppIconLoader& operator=(const AppIconLoader&) = delete;
virtual ~AppIconLoader();
// Returns true is this AppIconLoader is able to load an image for the
// requested app.
virtual bool CanLoadImageForApp(const std::string& app_id) = 0;
// Fetches the image for the specified id. When done (which may be
// synchronous), this should invoke SetAppImage() on the delegate.
virtual void FetchImage(const std::string& app_id) = 0;
// Clears the image for the specified id.
virtual void ClearImage(const std::string& app_id) = 0;
// Updates the image for the specified id. This is called to re-create
// the app icon with latest app state (enabled or disabled/terminiated).
// SetAppImage() is called when done.
virtual void UpdateImage(const std::string& app_id) = 0;
protected:
AppIconLoader();
AppIconLoader(Profile* profile,
int icon_size_in_dip,
AppIconLoaderDelegate* delegate);
Profile* profile() { return profile_; }
int icon_size_in_dip() const { return icon_size_in_dip_; }
AppIconLoaderDelegate* delegate() { return delegate_; }
private:
const raw_ptr<Profile, DanglingUntriaged> profile_ = nullptr;
const int icon_size_in_dip_ = 0;
// The delegate object which receives the icon images. No ownership.
const raw_ptr<AppIconLoaderDelegate> delegate_ = nullptr;
};
#endif // CHROME_BROWSER_UI_APP_ICON_LOADER_H_
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