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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.
#include "chrome/browser/media/media_access_handler.h"
#include <memory>
#include <utility>
#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
#include "chrome/browser/media/webrtc/media_stream_capture_indicator.h"
#include "content/public/browser/web_contents.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
bool MediaAccessHandler::IsInsecureCapturingInProgress(int render_process_id,
int render_frame_id) {
return false;
}
// static
void MediaAccessHandler::CheckDevicesAndRunCallback(
content::WebContents* web_contents,
const content::MediaStreamRequest& request,
content::MediaResponseCallback callback,
bool audio_allowed,
bool video_allowed) {
// TODO(vrk): This code is largely duplicated in
// MediaStreamDevicesController::GetDevices(). Move this code into a shared
// method between the two classes.
// TODO(crbug.com/40216442): Generalize to multiple streams.
blink::mojom::StreamDevicesSet stream_devices_set;
stream_devices_set.stream_devices.emplace_back(
blink::mojom::StreamDevices::New());
blink::mojom::StreamDevices& stream_devices =
*stream_devices_set.stream_devices[0];
// Set an initial error result. If neither audio or video is allowed, we'll
// never try to get any device below but will just create |ui| and return an
// empty list with a "permission denied" result. If at least one is allowed,
// we'll try to get the device(s), and if failure, we want to return a "no
// hardware" result.
blink::mojom::MediaStreamRequestResult result =
(audio_allowed || video_allowed)
? blink::mojom::MediaStreamRequestResult::NO_HARDWARE
: blink::mojom::MediaStreamRequestResult::PERMISSION_DENIED;
// Get the exact audio or video device if an id is specified.
// We only set any error result here and before running the callback change
// it to OK if we have any device.
if (audio_allowed) {
stream_devices.audio_device =
MediaCaptureDevicesDispatcher::GetInstance()
->GetPreferredAudioDeviceForBrowserContext(
web_contents->GetBrowserContext(),
request.requested_audio_device_ids);
}
if (video_allowed) {
stream_devices.video_device =
MediaCaptureDevicesDispatcher::GetInstance()
->GetPreferredVideoDeviceForBrowserContext(
web_contents->GetBrowserContext(),
request.requested_video_device_ids);
}
std::unique_ptr<content::MediaStreamUI> ui;
if (stream_devices.audio_device.has_value() ||
stream_devices.video_device.has_value()) {
result = blink::mojom::MediaStreamRequestResult::OK;
ui = MediaCaptureDevicesDispatcher::GetInstance()
->GetMediaStreamCaptureIndicator()
->RegisterMediaStream(web_contents, stream_devices);
}
if (!stream_devices.audio_device.has_value() &&
!stream_devices.video_device.has_value()) {
stream_devices_set.stream_devices.clear();
}
std::move(callback).Run(stream_devices_set, result, std::move(ui));
}
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