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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_JS_INJECTION_BROWSER_JS_TO_BROWSER_MESSAGING_H_
#define COMPONENTS_JS_INJECTION_BROWSER_JS_TO_BROWSER_MESSAGING_H_
#include <string>
#include <vector>
#include "base/check.h"
#include "base/memory/raw_ptr.h"
#include "components/js_injection/common/interfaces.mojom.h"
#include "components/origin_matcher/origin_matcher.h"
#include "mojo/public/cpp/bindings/associated_receiver_set.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "mojo/public/cpp/bindings/shared_associated_remote.h"
#include "third_party/blink/public/common/messaging/message_port_descriptor.h"
#include "third_party/blink/public/common/messaging/string_message_codec.h"
namespace content {
class RenderFrameHost;
}
namespace js_injection {
class WebMessageHost;
class WebMessageHostFactory;
// Implementation of mojo::JsToBrowserMessaging interface. Receives
// PostMessage() call from renderer JsBinding.
//
// This object is destroyed when the associated RenderFrameHost is destroyed.
class JsToBrowserMessaging : public mojom::JsToBrowserMessaging {
public:
JsToBrowserMessaging(
content::RenderFrameHost* rfh,
mojo::PendingAssociatedReceiver<mojom::JsToBrowserMessaging> receiver,
mojo::PendingAssociatedRemote<mojom::BrowserToJsMessagingFactory>
browser_to_js_factory,
WebMessageHostFactory* factory,
const origin_matcher::OriginMatcher& origin_matcher);
JsToBrowserMessaging(const JsToBrowserMessaging&) = delete;
JsToBrowserMessaging& operator=(const JsToBrowserMessaging&) = delete;
~JsToBrowserMessaging() override;
void OnRenderFrameHostActivated();
// mojom::JsToBrowserMessaging implementation.
void PostMessage(blink::WebMessagePayload message,
std::vector<blink::MessagePortDescriptor> ports) override;
void SetBrowserToJsMessaging(
mojo::PendingAssociatedRemote<mojom::BrowserToJsMessaging>
java_to_js_messaging) override;
private:
class ReplyProxyImpl;
const raw_ptr<content::RenderFrameHost> render_frame_host_;
std::unique_ptr<ReplyProxyImpl> reply_proxy_;
raw_ptr<WebMessageHostFactory, AcrossTasksDanglingUntriaged>
connection_factory_;
origin_matcher::OriginMatcher origin_matcher_;
mojo::AssociatedReceiver<mojom::JsToBrowserMessaging> receiver_{this};
std::unique_ptr<WebMessageHost> host_;
mojo::SharedAssociatedRemote<mojom::BrowserToJsMessagingFactory>
browser_to_js_factory_;
#if DCHECK_IS_ON()
std::string top_level_origin_string_;
std::string origin_string_;
bool is_main_frame_;
#endif
};
} // namespace js_injection
#endif // COMPONENTS_JS_INJECTION_BROWSER_JS_TO_BROWSER_MESSAGING_H_
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