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// 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"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/extensions/gfx_utils.h"
#endif
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 defined(OS_CHROMEOS)
util::MaybeApplyChromeBadge(profile(), id, &image);
#endif
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
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