// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/reading_list/model/favicon_web_state_dispatcher_impl.h"
#import "components/favicon/core/favicon_service.h"
#import "components/favicon/ios/web_favicon_driver.h"
#import "components/keyed_service/core/service_access_type.h"
#import "ios/chrome/browser/favicon/model/favicon_service_factory.h"
#import "ios/chrome/browser/shared/model/profile/profile_ios.h"
#import "ios/web/public/web_state.h"
namespace {
// Default delay to download the favicon when the WebState is handed back.
const int64_t kDefaultDelayFaviconSecond = 10;
} // namespace
namespace reading_list {
FaviconWebStateDispatcherImpl::FaviconWebStateDispatcherImpl(
web::BrowserState* browser_state,
int64_t keep_alive_second)
: FaviconWebStateDispatcher(),
browser_state_(browser_state),
keep_alive_second_(keep_alive_second),
weak_ptr_factory_(this) {
if (keep_alive_second_ < 0) {
keep_alive_second_ = kDefaultDelayFaviconSecond;
}
}
FaviconWebStateDispatcherImpl::~FaviconWebStateDispatcherImpl() {}
std::unique_ptr<web::WebState>
FaviconWebStateDispatcherImpl::RequestWebState() {
const web::WebState::CreateParams web_state_create_params(browser_state_);
std::unique_ptr<web::WebState> web_state =
web::WebState::Create(web_state_create_params);
ChromeBrowserState* original_browser_state =
ChromeBrowserState::FromBrowserState(browser_state_);
favicon::WebFaviconDriver::CreateForWebState(
web_state.get(),
ios::FaviconServiceFactory::GetForBrowserState(
original_browser_state, ServiceAccessType::EXPLICIT_ACCESS));
return web_state;
}
void FaviconWebStateDispatcherImpl::ReleaseAll() {
web_states_.clear();
}
void FaviconWebStateDispatcherImpl::ReturnWebState(
std::unique_ptr<web::WebState> web_state_unique) {
web::WebState* web_state = web_state_unique.get();
web_states_.push_back(std::move(web_state_unique));
base::WeakPtr<FaviconWebStateDispatcherImpl> weak_this =
weak_ptr_factory_.GetWeakPtr();
// This block will delete the web_state in keep_alive_second_ seconds.
dispatch_after(
dispatch_time(DISPATCH_TIME_NOW, keep_alive_second_ * NSEC_PER_SEC),
dispatch_get_main_queue(), ^{
FaviconWebStateDispatcherImpl* web_state_dispatcher = weak_this.get();
if (web_state_dispatcher) {
auto it = find_if(
web_state_dispatcher->web_states_.begin(),
web_state_dispatcher->web_states_.end(),
[web_state](std::unique_ptr<web::WebState>& unique_web_state) {
return unique_web_state.get() == web_state;
});
if (it != web_state_dispatcher->web_states_.end()) {
web_state_dispatcher->web_states_.erase(it);
}
}
});
}
} // namespace reading_list