| // Copyright 2016 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. |
| |
| #include "chrome/browser/extensions/extension_app_icon_loader.h" |
| |
| #include "base/stl_util.h" |
| #include "chrome/browser/extensions/extension_service.h" |
| #include "chrome/browser/extensions/extension_util.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/extensions/extension_constants.h" |
| #include "extensions/browser/extension_system.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/manifest_handlers/icons_handler.h" |
| #include "ui/gfx/color_utils.h" |
| #include "ui/gfx/image/image_skia_operations.h" |
| |
| namespace { |
| |
| const extensions::Extension* GetExtensionByID(Profile* profile, |
| const std::string& id) { |
| ExtensionService* service = |
| extensions::ExtensionSystem::Get(profile)->extension_service(); |
| if (!service) |
| return nullptr; |
| return service->GetInstalledExtension(id); |
| } |
| |
| } // namespace |
| |
| namespace extensions { |
| |
| ExtensionAppIconLoader::ExtensionAppIconLoader( |
| Profile* profile, |
| int icon_size, |
| AppIconLoaderDelegate* delegate) |
| : AppIconLoader(profile, icon_size, delegate) { |
| } |
| |
| ExtensionAppIconLoader::~ExtensionAppIconLoader() { |
| } |
| |
| bool ExtensionAppIconLoader::CanLoadImageForApp(const std::string& id) { |
| if (map_.find(id) != map_.end()) |
| return true; |
| return GetExtensionByID(profile(), id) != nullptr; |
| } |
| |
| void ExtensionAppIconLoader::FetchImage(const std::string& id) { |
| if (map_.find(id) != map_.end()) |
| return; // Already loading the image. |
| |
| const extensions::Extension* extension = GetExtensionByID(profile(), id); |
| if (!extension) |
| return; |
| |
| std::unique_ptr<extensions::IconImage> image(new extensions::IconImage( |
| profile(), extension, extensions::IconsInfo::GetIcons(extension), |
| icon_size(), extensions::util::GetDefaultAppIcon(), this)); |
| |
| // Triggers image loading now instead of depending on paint message. This |
| // makes the temp blank image be shown for shorter time and improves user |
| // experience. See http://crbug.com/146114. |
| image->image_skia().EnsureRepsForSupportedScales(); |
| map_[id] = std::move(image); |
| } |
| |
| void ExtensionAppIconLoader::ClearImage(const std::string& id) { |
| map_.erase(id); |
| } |
| |
| void ExtensionAppIconLoader::UpdateImage(const std::string& id) { |
| ExtensionIDToImageMap::iterator it = map_.find(id); |
| if (it == map_.end()) |
| return; |
| |
| BuildImage(it->first, it->second->image_skia()); |
| } |
| |
| void ExtensionAppIconLoader::OnExtensionIconImageChanged( |
| extensions::IconImage* image) { |
| for (const auto& pair : map_) { |
| if (pair.second.get() == image) { |
| BuildImage(pair.first, pair.second->image_skia()); |
| return; |
| } |
| } |
| // The image has been removed, do nothing. |
| } |
| |
| void ExtensionAppIconLoader::BuildImage(const std::string& id, |
| const gfx::ImageSkia& icon) { |
| gfx::ImageSkia image = icon; |
| |
| if (!util::IsAppLaunchable(id, profile())) { |
| const color_utils::HSL shift = {-1, 0, 0.6}; |
| image = gfx::ImageSkiaOperations::CreateHSLShiftedImage(image, shift); |
| } |
| |
| delegate()->OnAppImageUpdated(id, image); |
| } |
| |
| } // namespace extensions |