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// Copyright 2015 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 "ios/chrome/browser/net/ios_chrome_url_request_context_getter.h"
#include "base/bind.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/message_loop/message_loop.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state_io_data.h"
#include "ios/chrome/browser/ios_chrome_io_thread.h"
#include "ios/web/public/web_thread.h"
#include "net/cookies/cookie_store.h"
class IOSChromeURLRequestContextFactory {
public:
IOSChromeURLRequestContextFactory() {}
virtual ~IOSChromeURLRequestContextFactory() {}
// Called to create a new instance (will only be called once).
virtual net::URLRequestContext* Create() = 0;
protected:
DISALLOW_COPY_AND_ASSIGN(IOSChromeURLRequestContextFactory);
};
namespace {
// ----------------------------------------------------------------------------
// Helper factories
// ----------------------------------------------------------------------------
// Factory that creates the main URLRequestContext.
class FactoryForMain : public IOSChromeURLRequestContextFactory {
public:
FactoryForMain(const ChromeBrowserStateIOData* io_data,
ProtocolHandlerMap* protocol_handlers)
: io_data_(io_data) {
std::swap(protocol_handlers_, *protocol_handlers);
}
net::URLRequestContext* Create() override {
io_data_->Init(&protocol_handlers_);
return io_data_->GetMainRequestContext();
}
private:
const ChromeBrowserStateIOData* const io_data_;
ProtocolHandlerMap protocol_handlers_;
};
// Factory that creates the URLRequestContext for a given isolated app.
class FactoryForIsolatedApp : public IOSChromeURLRequestContextFactory {
public:
FactoryForIsolatedApp(const ChromeBrowserStateIOData* io_data,
const base::FilePath& partition_path,
net::URLRequestContextGetter* main_context)
: io_data_(io_data),
partition_path_(partition_path),
main_request_context_getter_(main_context) {}
net::URLRequestContext* Create() override {
// We will copy most of the state from the main request context.
//
// Note that this factory is one-shot. After Create() is called once, the
// factory is actually destroyed. Thus it is safe to destructively pass
// state onwards.
return io_data_->GetIsolatedAppRequestContext(
main_request_context_getter_->GetURLRequestContext(), partition_path_);
}
private:
const ChromeBrowserStateIOData* const io_data_;
const base::FilePath partition_path_;
scoped_refptr<net::URLRequestContextGetter> main_request_context_getter_;
};
} // namespace
// ----------------------------------------------------------------------------
// IOSChromeURLRequestContextGetter
// ----------------------------------------------------------------------------
IOSChromeURLRequestContextGetter::IOSChromeURLRequestContextGetter(
scoped_ptr<IOSChromeURLRequestContextFactory> factory)
: factory_(std::move(factory)), url_request_context_(nullptr) {
DCHECK(factory_);
}
IOSChromeURLRequestContextGetter::~IOSChromeURLRequestContextGetter() {
// NotifyContextShuttingDown() must have been called.
DCHECK(!factory_.get());
DCHECK(!url_request_context_);
}
// Lazily create a URLRequestContext using our factory.
net::URLRequestContext*
IOSChromeURLRequestContextGetter::GetURLRequestContext() {
DCHECK_CURRENTLY_ON(web::WebThread::IO);
if (factory_.get()) {
DCHECK(!url_request_context_);
url_request_context_ = factory_->Create();
factory_.reset();
}
return url_request_context_;
}
void IOSChromeURLRequestContextGetter::NotifyContextShuttingDown() {
DCHECK_CURRENTLY_ON(web::WebThread::IO);
factory_.reset();
url_request_context_ = nullptr;
URLRequestContextGetter::NotifyContextShuttingDown();
}
scoped_refptr<base::SingleThreadTaskRunner>
IOSChromeURLRequestContextGetter::GetNetworkTaskRunner() const {
return web::WebThread::GetTaskRunnerForThread(web::WebThread::IO);
}
// static
IOSChromeURLRequestContextGetter* IOSChromeURLRequestContextGetter::Create(
const ChromeBrowserStateIOData* io_data,
ProtocolHandlerMap* protocol_handlers) {
return new IOSChromeURLRequestContextGetter(
make_scoped_ptr(new FactoryForMain(io_data, protocol_handlers)));
}
// static
IOSChromeURLRequestContextGetter*
IOSChromeURLRequestContextGetter::CreateForIsolatedApp(
net::URLRequestContextGetter* main_context,
const ChromeBrowserStateIOData* io_data,
const base::FilePath& partition_path) {
return new IOSChromeURLRequestContextGetter(make_scoped_ptr(
new FactoryForIsolatedApp(io_data, partition_path, main_context)));
}
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