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// Copyright (c) 2012 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/app_icon_loader_impl.h"
#include "base/stl_util.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/extensions/extension_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/extension_constants.h"
#include "chrome/common/extensions/manifest_handlers/icons_handler.h"
#include "extensions/common/extension.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 NULL;
return service->GetInstalledExtension(id);
}
} // namespace
namespace extensions {
AppIconLoaderImpl::AppIconLoaderImpl(
Profile* profile,
int icon_size,
AppIconLoader::Delegate* delegate)
: profile_(profile),
delegate_(delegate),
icon_size_(icon_size) {
}
AppIconLoaderImpl::~AppIconLoaderImpl() {
STLDeleteContainerPairFirstPointers(map_.begin(), map_.end());
}
void AppIconLoaderImpl::FetchImage(const std::string& id) {
for (ImageToExtensionIDMap::const_iterator i = map_.begin();
i != map_.end(); ++i) {
if (i->second == id)
return; // Already loading the image.
}
const extensions::Extension* extension = GetExtensionByID(profile_, id);
if (!extension)
return;
extensions::IconImage* image = new extensions::IconImage(
profile_,
extension,
extensions::IconsInfo::GetIcons(extension),
icon_size_,
extensions::IconsInfo::GetDefaultAppIcon(),
this);
// |map_| takes ownership of |image|.
map_[image] = id;
// 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();
}
void AppIconLoaderImpl::ClearImage(const std::string& id) {
for (ImageToExtensionIDMap::iterator i = map_.begin();
i != map_.end(); ++i) {
if (i->second == id) {
delete i->first;
map_.erase(i);
break;
}
}
}
void AppIconLoaderImpl::UpdateImage(const std::string& id) {
for (ImageToExtensionIDMap::iterator i = map_.begin();
i != map_.end(); ++i) {
if (i->second == id) {
BuildImage(i->second, i->first->image_skia());
break;
}
}
}
void AppIconLoaderImpl::OnExtensionIconImageChanged(
extensions::IconImage* image) {
ImageToExtensionIDMap::iterator i = map_.find(image);
if (i == map_.end())
return; // The image has been removed, do nothing.
BuildImage(i->second, i->first->image_skia());
}
void AppIconLoaderImpl::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_->SetAppImage(id, image);
}
} // namespace extensions
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