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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_CONTACT_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_CONTACT_HANDLER_H_
#include <set>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/nearby_sharing/contacts/nearby_share_contact_manager.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "third_party/nearby/sharing/proto/rpc_resources.pb.h"
namespace content {
class BrowserContext;
} // namespace content
// WebUIMessageHandler for Contact Messages to pass messages to the
// chrome://nearby-internals Contact tab.
class NearbyInternalsContactHandler
: public content::WebUIMessageHandler,
public NearbyShareContactManager::Observer {
public:
explicit NearbyInternalsContactHandler(content::BrowserContext* context);
NearbyInternalsContactHandler(const NearbyInternalsContactHandler&) = delete;
NearbyInternalsContactHandler& operator=(
const NearbyInternalsContactHandler&) = delete;
~NearbyInternalsContactHandler() override;
// content::WebUIMessageHandler:
void RegisterMessages() override;
void OnJavascriptAllowed() override;
void OnJavascriptDisallowed() override;
private:
// Message handler callback that initializes JavaScript.
void InitializeContents(const base::Value::List& args);
// NearbyShareContactManager::Observer:
void OnContactsDownloaded(
const std::set<std::string>& allowed_contact_ids,
const std::vector<nearby::sharing::proto::ContactRecord>& contacts,
uint32_t num_unreachable_contacts_filtered_out) override;
void OnContactsUploaded(bool did_contacts_change_since_last_upload) override;
// Message handler callback that requests a contacts download from the contact
// manager.
void HandleDownloadContacts(const base::Value::List& args);
raw_ptr<content::BrowserContext> context_;
base::ScopedObservation<NearbyShareContactManager,
NearbyShareContactManager::Observer>
observation_{this};
base::WeakPtrFactory<NearbyInternalsContactHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_CONTACT_HANDLER_H_
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