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// Copyright 2013 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 <stdio.h>
#include "mojo/service_manager/service_manager.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/stl_util.h"
#include "mojo/common/common_type_converters.h"
#include "mojo/public/interfaces/application/application.mojom.h"
#include "mojo/public/interfaces/application/shell.mojom.h"
#include "mojo/service_manager/service_loader.h"
namespace mojo {
namespace {
// Used by TestAPI.
bool has_created_instance = false;
class StubServiceProvider : public InterfaceImpl<ServiceProvider> {
public:
ServiceProvider* GetRemoteServiceProvider() {
return client();
}
private:
virtual void ConnectToService(
const String& service_name,
ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE {}
};
}
class ServiceManager::ShellImpl : public InterfaceImpl<Shell> {
public:
ShellImpl(ServiceManager* manager, const GURL& url)
: manager_(manager),
url_(url) {
}
virtual ~ShellImpl() {
}
void ConnectToClient(const GURL& requestor_url,
ServiceProviderPtr service_provider) {
client()->AcceptConnection(String::From(requestor_url),
service_provider.Pass());
}
// ServiceProvider implementation:
virtual void ConnectToApplication(
const String& app_url,
InterfaceRequest<ServiceProvider> in_service_provider) OVERRIDE {
ServiceProviderPtr out_service_provider;
out_service_provider.Bind(in_service_provider.PassMessagePipe());
manager_->ConnectToApplication(
app_url.To<GURL>(),
url_,
out_service_provider.Pass());
}
const GURL& url() const { return url_; }
private:
virtual void OnConnectionError() OVERRIDE {
manager_->OnShellImplError(this);
}
ServiceManager* const manager_;
const GURL url_;
DISALLOW_COPY_AND_ASSIGN(ShellImpl);
};
// static
ServiceManager::TestAPI::TestAPI(ServiceManager* manager) : manager_(manager) {
}
ServiceManager::TestAPI::~TestAPI() {
}
bool ServiceManager::TestAPI::HasCreatedInstance() {
return has_created_instance;
}
bool ServiceManager::TestAPI::HasFactoryForURL(const GURL& url) const {
return manager_->url_to_shell_impl_.find(url) !=
manager_->url_to_shell_impl_.end();
}
ServiceManager::ServiceManager() : interceptor_(NULL) {
}
ServiceManager::~ServiceManager() {
TerminateShellConnections();
STLDeleteValues(&url_to_loader_);
STLDeleteValues(&scheme_to_loader_);
}
void ServiceManager::TerminateShellConnections() {
STLDeleteValues(&url_to_shell_impl_);
}
// static
ServiceManager* ServiceManager::GetInstance() {
static base::LazyInstance<ServiceManager> instance =
LAZY_INSTANCE_INITIALIZER;
has_created_instance = true;
return &instance.Get();
}
void ServiceManager::ConnectToApplication(const GURL& url,
const GURL& requestor_url,
ServiceProviderPtr service_provider) {
URLToShellImplMap::const_iterator shell_it = url_to_shell_impl_.find(url);
ShellImpl* shell_impl;
if (shell_it != url_to_shell_impl_.end()) {
shell_impl = shell_it->second;
} else {
MessagePipe pipe;
GetLoaderForURL(url)->LoadService(this, url, pipe.handle0.Pass());
shell_impl = WeakBindToPipe(new ShellImpl(this, url), pipe.handle1.Pass());
url_to_shell_impl_[url] = shell_impl;
}
if (interceptor_) {
shell_impl->ConnectToClient(
requestor_url,
interceptor_->OnConnectToClient(url, service_provider.Pass()));
} else {
shell_impl->ConnectToClient(requestor_url, service_provider.Pass());
}
}
void ServiceManager::SetLoaderForURL(scoped_ptr<ServiceLoader> loader,
const GURL& url) {
URLToLoaderMap::iterator it = url_to_loader_.find(url);
if (it != url_to_loader_.end())
delete it->second;
url_to_loader_[url] = loader.release();
}
void ServiceManager::SetLoaderForScheme(scoped_ptr<ServiceLoader> loader,
const std::string& scheme) {
SchemeToLoaderMap::iterator it = scheme_to_loader_.find(scheme);
if (it != scheme_to_loader_.end())
delete it->second;
scheme_to_loader_[scheme] = loader.release();
}
void ServiceManager::SetInterceptor(Interceptor* interceptor) {
interceptor_ = interceptor;
}
ServiceLoader* ServiceManager::GetLoaderForURL(const GURL& url) {
URLToLoaderMap::const_iterator url_it = url_to_loader_.find(url);
if (url_it != url_to_loader_.end())
return url_it->second;
SchemeToLoaderMap::const_iterator scheme_it =
scheme_to_loader_.find(url.scheme());
if (scheme_it != scheme_to_loader_.end())
return scheme_it->second;
return default_loader_.get();
}
void ServiceManager::OnShellImplError(ShellImpl* shell_impl) {
// Called from ~ShellImpl, so we do not need to call Destroy here.
const GURL url = shell_impl->url();
URLToShellImplMap::iterator it = url_to_shell_impl_.find(url);
DCHECK(it != url_to_shell_impl_.end());
delete it->second;
url_to_shell_impl_.erase(it);
ServiceLoader* loader = GetLoaderForURL(url);
if (loader)
loader->OnServiceError(this, url);
}
ScopedMessagePipeHandle ServiceManager::ConnectToServiceByName(
const GURL& application_url,
const std::string& interface_name) {
StubServiceProvider* stub_sp = new StubServiceProvider;
ServiceProviderPtr spp;
BindToProxy(stub_sp, &spp);
ConnectToApplication(application_url, GURL(), spp.Pass());
MessagePipe pipe;
stub_sp->GetRemoteServiceProvider()->ConnectToService(
interface_name, pipe.handle1.Pass());
return pipe.handle0.Pass();
}
} // namespace mojo
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