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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/favicon/core/favicon_driver_impl.h"
#include <memory>
#include "base/strings/string_util.h"
#include "build/build_config.h"
#include "components/favicon/core/core_favicon_service.h"
#include "components/favicon/core/favicon_driver_observer.h"
#include "components/favicon/core/favicon_handler.h"
#include "components/favicon/core/favicon_url.h"
namespace favicon {
namespace {
#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_IOS)
const bool kEnableTouchIcon = true;
#else
const bool kEnableTouchIcon = false;
#endif
} // namespace
FaviconDriverImpl::FaviconDriverImpl(CoreFaviconService* favicon_service)
: favicon_service_(favicon_service) {
if (kEnableTouchIcon) {
handlers_.push_back(std::make_unique<FaviconHandler>(
favicon_service_, this, FaviconDriverObserver::NON_TOUCH_LARGEST));
handlers_.push_back(std::make_unique<FaviconHandler>(
favicon_service_, this, FaviconDriverObserver::TOUCH_LARGEST));
} else {
handlers_.push_back(std::make_unique<FaviconHandler>(
favicon_service_, this, FaviconDriverObserver::NON_TOUCH_16_DIP));
}
}
FaviconDriverImpl::~FaviconDriverImpl() = default;
void FaviconDriverImpl::FetchFavicon(const GURL& page_url,
bool is_same_document) {
for (const std::unique_ptr<FaviconHandler>& handler : handlers_)
handler->FetchFavicon(page_url, is_same_document);
}
bool FaviconDriverImpl::HasPendingTasksForTest() {
for (const std::unique_ptr<FaviconHandler>& handler : handlers_) {
if (handler->HasPendingTasksForTest())
return true;
}
return false;
}
void FaviconDriverImpl::SetFaviconOutOfDateForPage(const GURL& url,
bool force_reload) {
if (favicon_service_) {
favicon_service_->SetFaviconOutOfDateForPage(url);
if (force_reload)
favicon_service_->ClearUnableToDownloadFavicons();
}
}
void FaviconDriverImpl::OnUpdateCandidates(
const GURL& page_url,
const std::vector<FaviconURL>& candidates,
const GURL& manifest_url) {
for (const std::unique_ptr<FaviconHandler>& handler : handlers_) {
// We feed in the Web Manifest URL (if any) to the instance handling type
// kWebManifestIcon, because those compete which each other (i.e. manifest
// icons override inline touch icons).
handler->OnUpdateCandidates(
page_url, candidates,
(handler->icon_types().count(
favicon_base::IconType::kWebManifestIcon) != 0)
? manifest_url
: GURL());
}
}
} // namespace favicon
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