| // Copyright 2017 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_EXTENSIONS_CHROME_APP_ICON_H_ |
| #define CHROME_BROWSER_EXTENSIONS_CHROME_APP_ICON_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "extensions/browser/extension_icon_image.h" |
| #include "ui/gfx/image/image_skia.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace extensions { |
| |
| class Extension; |
| class ChromeAppIconDelegate; |
| |
| // This represents how an extension app icon should finally look. As a base, |
| // extension icon is used and effects that depend on extension type, state and |
| // some external conditions are applied. Resulting image is sent via |
| // ChromeAppIconDelegate. Several updates are expected in case extension |
| // state or some external conditions are changed. |
| class ChromeAppIcon : public IconImage::Observer { |
| public: |
| using DestroyedCallback = base::OnceCallback<void(ChromeAppIcon*)>; |
| using ResizeFunction = |
| base::RepeatingCallback<void(const gfx::Size&, gfx::ImageSkia*)>; |
| |
| // Applies image processing effects to |image_skia|, such as resizing, adding |
| // badges, converting to gray and rounding corners. |
| static void ApplyEffects(int resource_size_in_dip, |
| const ResizeFunction& resize_function, |
| bool apply_chrome_badge, |
| bool app_launchable, |
| bool from_bookmark, |
| gfx::ImageSkia* image_skia); |
| |
| // |resize_function| overrides icon resizing behavior if non-null. Otherwise |
| // IconLoader with perform the resizing. In both cases |resource_size_in_dip| |
| // is used to pick the correct icon representation from resources. |
| ChromeAppIcon(ChromeAppIconDelegate* delegate, |
| content::BrowserContext* browser_context, |
| DestroyedCallback destroyed_callback, |
| const std::string& app_id, |
| int resource_size_in_dip, |
| const ResizeFunction& resize_function); |
| ~ChromeAppIcon() override; |
| |
| // Reloads icon. |
| void Reload(); |
| |
| // Returns true if the icon still refers to existing extension. Once extension |
| // is disabled it is discarded from the icon. |
| bool IsValid() const; |
| |
| // Re-applies app effects over the current extension icon and dispatches the |
| // result via |delegate_|. |
| void UpdateIcon(); |
| |
| const gfx::ImageSkia& image_skia() const { return image_skia_; } |
| const std::string& app_id() const { return app_id_; } |
| #if defined(OS_CHROMEOS) |
| // Returns whether the icon is badged because it's an extension app that has |
| // its Android analog installed. |
| bool icon_is_badged() const { return icon_is_badged_; } |
| #endif |
| |
| private: |
| const Extension* GetExtension(); |
| |
| // IconImage::Observer: |
| void OnExtensionIconImageChanged(IconImage* image) override; |
| |
| // Unowned pointers. |
| ChromeAppIconDelegate* const delegate_; |
| content::BrowserContext* const browser_context_; |
| |
| // Called when this instance of ChromeAppIcon is destroyed. |
| DestroyedCallback destroyed_callback_; |
| |
| const std::string app_id_; |
| |
| // Contains current icon image. This is static image with applied effects and |
| // it is updated each time when |icon_| is updated. |
| gfx::ImageSkia image_skia_; |
| |
| #if defined(OS_CHROMEOS) |
| // Whether the icon got badged because it's an extension app that has its |
| // Android analog installed. |
| bool icon_is_badged_ = false; |
| #endif |
| |
| const int resource_size_in_dip_; |
| |
| // Function to be used to resize the image loaded from a resource. If null, |
| // resize will be performed by ImageLoader. |
| const ResizeFunction resize_function_; |
| |
| std::unique_ptr<IconImage> icon_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChromeAppIcon); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_CHROME_APP_ICON_H_ |