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// Copyright 2017 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 CONTENT_BROWSER_ANDROID_NFC_HOST_H_
#define CONTENT_BROWSER_ANDROID_NFC_HOST_H_
#include "base/android/jni_android.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/web_contents_observer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/device/public/mojom/nfc_provider.mojom.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom-forward.h"
namespace content {
class PermissionControllerImpl;
// On Android, NFC requires the Activity associated with the context in order to
// access the NFC system APIs. NFCHost provides this functionality by mapping
// NFC context IDs to the WebContents associated with those IDs.
class NFCHost : public WebContentsObserver {
public:
explicit NFCHost(WebContents* web_contents);
~NFCHost() override;
void GetNFC(RenderFrameHost* render_frame_host,
mojo::PendingReceiver<device::mojom::NFC> receiver);
// WebContentsObserver implementation.
void RenderFrameHostChanged(RenderFrameHost* old_host,
RenderFrameHost* new_host) override;
// WebContentsObserver implementation.
void OnVisibilityChanged(Visibility visibility) override;
private:
void OnPermissionStatusChange(blink::mojom::PermissionStatus status);
void Close();
// The permission controller for this browser context.
PermissionControllerImpl* permission_controller_;
mojo::Remote<device::mojom::NFCProvider> nfc_provider_;
// Permission change subscription ID provided by |permission_controller_|.
int subscription_id_ = PermissionController::kNoPendingOperation;
DISALLOW_COPY_AND_ASSIGN(NFCHost);
};
} // namespace content
#endif // CONTENT_BROWSER_ANDROID_NFC_HOST_H_
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