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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_RENDERER_IPC_MESSAGE_SENDER_H_
#define EXTENSIONS_RENDERER_IPC_MESSAGE_SENDER_H_
#include <memory>
#include <string>
#include "base/values.h"
#include "extensions/common/extension_id.h"
#include "extensions/common/mojom/frame.mojom-forward.h"
#include "extensions/common/mojom/message_port.mojom-forward.h"
#include "extensions/renderer/bindings/api_binding_types.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "services/accessibility/public/mojom/accessibility_service.mojom.h"
namespace base {
class Uuid;
}
namespace blink {
class WebServiceWorkerContextProxy;
}
namespace extensions {
namespace mojom {
enum class ChannelType;
}
class ScriptContext;
class WorkerThreadDispatcher;
struct MessageTarget;
struct PortId;
// A class to handle sending bindings-related messages to the browser. Different
// versions handle main thread vs. service worker threads.
class IPCMessageSender {
public:
IPCMessageSender(const IPCMessageSender&) = delete;
IPCMessageSender& operator=(const IPCMessageSender&) = delete;
virtual ~IPCMessageSender();
// Used to distinguish API calls & events from each other in activity log.
enum class ActivityLogCallType { APICALL, EVENT };
// Sends a request message to the browser.
virtual void SendRequestIPC(ScriptContext* context,
mojom::RequestParamsPtr params) = 0;
// Sends an "ack" back to the browser that the response to an API request was
// received.
virtual void SendResponseAckIPC(ScriptContext* context,
const base::Uuid& request_uuid) = 0;
// Sends a message to add/remove an unfiltered listener.
virtual void SendAddUnfilteredEventListenerIPC(
ScriptContext* context,
const std::string& event_name) = 0;
virtual void SendRemoveUnfilteredEventListenerIPC(
ScriptContext* context,
const std::string& event_name) = 0;
// Sends a message to add/remove a lazy unfiltered listener.
virtual void SendAddUnfilteredLazyEventListenerIPC(
ScriptContext* context,
const std::string& event_name) = 0;
virtual void SendRemoveUnfilteredLazyEventListenerIPC(
ScriptContext* context,
const std::string& event_name) = 0;
// Sends a message to add/remove a filtered listener.
virtual void SendAddFilteredEventListenerIPC(ScriptContext* context,
const std::string& event_name,
const base::Value::Dict& filter,
bool is_lazy) = 0;
virtual void SendRemoveFilteredEventListenerIPC(
ScriptContext* context,
const std::string& event_name,
const base::Value::Dict& filter,
bool remove_lazy_listener) = 0;
// Sends a message to bind a pipe for the Automation API.
virtual void SendBindAutomationIPC(
ScriptContext* context,
mojo::PendingAssociatedRemote<ax::mojom::Automation> pending_remote) = 0;
// Opens a message channel to the specified target.
virtual void SendOpenMessageChannel(
ScriptContext* script_context,
const PortId& port_id,
const MessageTarget& target,
mojom::ChannelType channel_type,
const std::string& channel_name,
mojo::PendingAssociatedRemote<mojom::MessagePort> port,
mojo::PendingAssociatedReceiver<mojom::MessagePortHost> port_host) = 0;
// Sends activityLog IPC to the browser process.
virtual void SendActivityLogIPC(ScriptContext* context,
const ExtensionId& extension_id,
ActivityLogCallType call_type,
const std::string& call_name,
base::Value::List args,
const std::string& extra) = 0;
// Creates an IPCMessageSender for use on the main thread.
static std::unique_ptr<IPCMessageSender> CreateMainThreadIPCMessageSender();
// Creates an IPCMessageSender for use on a worker thread.
static std::unique_ptr<IPCMessageSender> CreateWorkerThreadIPCMessageSender(
WorkerThreadDispatcher* dispatcher,
blink::WebServiceWorkerContextProxy* context_proxy,
int64_t service_worker_version_id);
protected:
IPCMessageSender();
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_IPC_MESSAGE_SENDER_H_
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