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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_UI_TRIGGER_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_UI_TRIGGER_HANDLER_H_
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/nearby_sharing/nearby_sharing_service.h"
#include "chrome/browser/nearby_sharing/share_target_discovered_callback.h"
#include "chrome/browser/nearby_sharing/transfer_update_callback.h"
#include "content/public/browser/web_ui_message_handler.h"
namespace content {
class BrowserContext;
} // namespace content
// WebUIMessageHandler for to trigger NearbySharingService UI events.
class NearbyInternalsUiTriggerHandler : public content::WebUIMessageHandler,
public TransferUpdateCallback,
public ShareTargetDiscoveredCallback {
public:
explicit NearbyInternalsUiTriggerHandler(content::BrowserContext* context);
NearbyInternalsUiTriggerHandler(const NearbyInternalsUiTriggerHandler&) =
delete;
NearbyInternalsUiTriggerHandler& operator=(
const NearbyInternalsUiTriggerHandler&) = delete;
~NearbyInternalsUiTriggerHandler() override;
// content::WebUIMessageHandler:
void RegisterMessages() override;
// TransferUpdateCallback:
void OnTransferUpdate(const ShareTarget& share_target,
const TransferMetadata& transfer_metadata) override;
// ShareTargetDiscoveryCallback:
void OnShareTargetDiscovered(ShareTarget share_target) override;
void OnShareTargetLost(ShareTarget share_target) override;
private:
// Triggers WebUIListener event after corresponding event is triggered in
// NearbyShareService to pass callback to JavaScript to eventually be
// displayed.
void OnAcceptCalled(NearbySharingService::StatusCodes status_codes);
void OnOpenCalled(NearbySharingService::StatusCodes status_codes);
void OnRejectCalled(NearbySharingService::StatusCodes status_codes);
void OnCancelCalled(NearbySharingService::StatusCodes status_codes);
// Message handler callback that initializes JavaScript.
void InitializeContents(const base::Value::List& args);
// Message handler callback that triggers SendText in the NearbyShareService.
void SendText(const base::Value::List& args);
// Message handler callback that triggers Accept in the NearbyShareService.
void Accept(const base::Value::List& args);
// Message handler callback that triggers Reject in the NearbyShareService.
void Reject(const base::Value::List& args);
// Message handler callback that triggers Cancel in the NearbyShareService.
void Cancel(const base::Value::List& args);
// Message handler callback that triggers Open in the NearbyShareService.
void Open(const base::Value::List& args);
// Message handler callback that calls RegisterSendSurface in the
// NearbySharingService with a Foreground SendSurfaceState.
// The NearbyInternalsUiTriggerHandler instance acts as the send surface,
// playing the role of both the TransferUpdateCallback and the
// ShareTargetDiscoveredCallback.
void RegisterSendSurfaceForeground(const base::Value::List& args);
// Message handler callback that calls RegisterSendSurface in the
// NearbySharingService with a Background SendSurfaceState.
// The NearbyInternalsUiTriggerHandler instance acts as the send surface,
// playing the role of both the TransferUpdateCallback and the
// ShareTargetDiscoveredCallback.
void RegisterSendSurfaceBackground(const base::Value::List& args);
// Message handler callback that calls UnregisterSendSurface in the
// NearbySharingService. The NearbyInternalsUiTriggerHandler instance acts as
// the send surface to be unregistered.
void UnregisterSendSurface(const base::Value::List& args);
// Message handler callback that calls RegisterReceiveSurface in the
// NearbySharingService with a Foreground receive surface state.
// The NearbyInternalsUiTriggerHandler instance acts as the receive surface,
// playing the role of both the TransferUpdateCallback and the
// ShareTargetDiscoveredCallback.
void RegisterReceiveSurfaceForeground(const base::Value::List& args);
// Message handler callback that calls RegisterReceiveSurface in the
// NearbySharingService with a Background receive surface state.
// The NearbyInternalsUiTriggerHandler instance acts as the receive surface,
// playing the role of both the TransferUpdateCallback and the
// ShareTargetDiscoveredCallback.
void RegisterReceiveSurfaceBackground(const base::Value::List& args);
// Message handler callback that calls UnregisterReceiveSurface in the
// NearbySharingService. The NearbyInternalsUiTriggerHandler instance acts as
// the receive surface to be unregistered.
void UnregisterReceiveSurface(const base::Value::List& args);
// Message handler callback that calls ShowSuccess in the
// NearbySharingService's NearbyNotificationManager.
void ShowReceivedNotification(const base::Value::List& args);
// Message handler callback that calls IsScanning, IsTransferring,
// IsReceivingFile, IsSendingFile, IsConnecting, and IsInHighVisibility in the
// NearbySharingService and passes booleans to JavaScript to eventually be
// displayed.
void GetState(const base::Value::List& args);
const raw_ptr<content::BrowserContext> context_;
base::flat_map<std::string, ShareTarget> id_to_share_target_map_;
base::WeakPtrFactory<NearbyInternalsUiTriggerHandler> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_WEBUI_NEARBY_INTERNALS_NEARBY_INTERNALS_UI_TRIGGER_HANDLER_H_
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