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// Copyright 2014 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.
#ifndef MOJO_SHELL_APPLICATION_MANAGER_H_
#define MOJO_SHELL_APPLICATION_MANAGER_H_
#include <map>
#include <utility>
#include <vector>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "mojo/public/cpp/bindings/interface_ptr_info.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/cpp/bindings/weak_interface_ptr_set.h"
#include "mojo/services/package_manager/public/interfaces/shell_resolver.mojom.h"
#include "mojo/shell/application_loader.h"
#include "mojo/shell/capability_filter.h"
#include "mojo/shell/connect_to_application_params.h"
#include "mojo/shell/fetcher.h"
#include "mojo/shell/identity.h"
#include "mojo/shell/native_runner.h"
#include "mojo/shell/public/interfaces/application_manager.mojom.h"
#include "mojo/shell/public/interfaces/interface_provider.mojom.h"
#include "mojo/shell/public/interfaces/shell.mojom.h"
#include "mojo/shell/public/interfaces/shell_client.mojom.h"
#include "url/gurl.h"
namespace base {
class FilePath;
class SequencedWorkerPool;
}
namespace mojo {
namespace shell {
class PackageManager;
class ApplicationInstance;
class ContentHandlerConnection;
class ApplicationManager {
public:
// API for testing.
class TestAPI {
public:
explicit TestAPI(ApplicationManager* manager);
~TestAPI();
// Returns true if the shared instance has been created.
static bool HasCreatedInstance();
// Returns true if there is a ApplicationInstance for this URL.
bool HasRunningInstanceForURL(const GURL& url) const;
private:
ApplicationManager* manager_;
DISALLOW_COPY_AND_ASSIGN(TestAPI);
};
// Creates an ApplicationManager.
// |package_manager| is an instance of an object that handles URL resolution,
// fetching and updating of applications. See package_manager.h.
ApplicationManager(scoped_ptr<PackageManager> package_manager,
bool register_mojo_url_schemes);
// |native_runner_factory| is an instance of an object capable of vending
// implementations of NativeRunner, e.g. for in or out-of-process execution.
// See native_runner.h and RunNativeApplication().
// |task_runner| provides access to a thread to perform file copy operations
// on. This may be null only in testing environments where applications are
// loaded via ApplicationLoader implementations.
// When |register_mojo_url_schemes| is true, mojo: and exe: URL schems are
// registered as "standard" which faciliates resolving.
ApplicationManager(scoped_ptr<PackageManager> package_manager,
scoped_ptr<NativeRunnerFactory> native_runner_factory,
base::TaskRunner* task_runner,
bool register_mojo_url_schemes);
~ApplicationManager();
// Loads a service if necessary and establishes a new client connection.
// Please see the comments in connect_to_application_params.h for more details
// about the parameters.
void ConnectToApplication(scoped_ptr<ConnectToApplicationParams> params);
// Sets the default Loader to be used if not overridden by SetLoaderForURL().
void set_default_loader(scoped_ptr<ApplicationLoader> loader) {
default_loader_ = std::move(loader);
}
// Sets a Loader to be used for a specific url.
void SetLoaderForURL(scoped_ptr<ApplicationLoader> loader, const GURL& url);
// Destroys all Shell-ends of connections established with Applications.
// Applications connected by this ApplicationManager will observe pipe errors
// and have a chance to shutdown.
void TerminateShellConnections();
// Removes a ApplicationInstance when it encounters an error.
void OnApplicationInstanceError(ApplicationInstance* instance);
ApplicationInstance* GetApplicationInstance(const Identity& identity) const;
void CreateInstanceForHandle(
ScopedHandle channel,
const GURL& url,
mojom::CapabilityFilterPtr filter,
InterfaceRequest<mojom::PIDReceiver> pid_receiver);
void AddListener(mojom::ApplicationManagerListenerPtr listener);
void ApplicationPIDAvailable(uint32_t id, base::ProcessId pid);
private:
using IdentityToInstanceMap = std::map<Identity, ApplicationInstance*>;
using URLToLoaderMap = std::map<GURL, ApplicationLoader*>;
void UseRemotePackageManager(bool register_mojo_url_schemes);
// Takes the contents of |params| only when it returns true.
bool ConnectToRunningApplication(
scoped_ptr<ConnectToApplicationParams>* params);
ApplicationInstance* CreateAndConnectToInstance(
scoped_ptr<ConnectToApplicationParams> params,
Identity* source,
Identity* target,
const std::string& application_name,
mojom::ShellClientRequest* request);
ApplicationInstance* CreateInstance(
const Identity& target_id,
const mojom::Shell::ConnectToApplicationCallback& connect_callback,
const base::Closure& on_application_end,
const String& application_name,
mojom::ShellClientRequest* request);
// Callback when remote PackageManager resolves mojo:foo to mojo:bar.
// |params| are the params passed to Connect().
// |resolved_url| is the mojo: url identifying the physical package
// application.
// |file_url| is the resolved file:// URL of the physical package.
// |application_name| is the requested application's pretty name, from its
// manifest.
// |base_filter| is the CapabilityFilter the requested application should be
// run with, from its manifest.
void OnGotResolvedURL(scoped_ptr<ConnectToApplicationParams> params,
const String& resolved_url,
const String& file_url,
const String& application_name,
mojom::CapabilityFilterPtr base_filter);
// In response to a request via Connect() with |params|, creates an
// ApplicationInstance and runs the application at |file_url|.
void CreateAndRunLocalApplication(
scoped_ptr<ConnectToApplicationParams> params,
const String& application_name,
const GURL& file_url);
void AddListenerManifestsReady(mojom::ApplicationManagerListenerPtr listener);
// Called once |fetcher| has found app. |params->app_url()| is the url of
// the requested application before any mappings/resolution have been applied.
// The corresponding URLRequest struct in |params| has been taken.
void HandleFetchCallback(scoped_ptr<ConnectToApplicationParams> params,
scoped_ptr<Fetcher> fetcher);
void RunNativeApplication(InterfaceRequest<mojom::ShellClient> request,
bool start_sandboxed,
scoped_ptr<Fetcher> fetcher,
ApplicationInstance* instance,
const base::FilePath& file_path,
bool path_exists);
// Returns the appropriate loader for |url|, or the default loader if there is
// no loader configured for the URL.
ApplicationLoader* GetLoaderForURL(const GURL& url);
void CleanupRunner(NativeRunner* runner);
mojom::ApplicationInfoPtr CreateApplicationInfoForInstance(
ApplicationInstance* instance) const;
bool use_remote_package_manager_;
package_manager::mojom::ShellResolverPtr shell_resolver_;
scoped_ptr<PackageManager> const package_manager_;
// Loader management.
// Loaders are chosen in the order they are listed here.
URLToLoaderMap url_to_loader_;
scoped_ptr<ApplicationLoader> default_loader_;
IdentityToInstanceMap identity_to_instance_;
WeakInterfacePtrSet<mojom::ApplicationManagerListener> listeners_;
base::TaskRunner* task_runner_;
scoped_ptr<NativeRunnerFactory> native_runner_factory_;
std::vector<scoped_ptr<NativeRunner>> native_runners_;
base::WeakPtrFactory<ApplicationManager> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ApplicationManager);
};
mojom::Shell::ConnectToApplicationCallback EmptyConnectCallback();
} // namespace shell
} // namespace mojo
#endif // MOJO_SHELL_APPLICATION_MANAGER_H_
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