2595335045
The code came from chrome/browser/media, but was simplified to remove dependencies on other parts of chrome/ and to always allow the media stream request.
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-CHROMIUM file.
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#include "browser/media/media_stream_devices_controller.h"
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#include "base/values.h"
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#include "browser/media/media_capture_devices_dispatcher.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/common/media_stream_request.h"
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namespace brightray {
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namespace {
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bool HasAnyAvailableDevice() {
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const content::MediaStreamDevices& audio_devices =
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MediaCaptureDevicesDispatcher::GetInstance()->GetAudioCaptureDevices();
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const content::MediaStreamDevices& video_devices =
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MediaCaptureDevicesDispatcher::GetInstance()->GetVideoCaptureDevices();
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return !audio_devices.empty() || !video_devices.empty();
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};
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} // namespace
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MediaStreamDevicesController::MediaStreamDevicesController(
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const content::MediaStreamRequest& request,
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const content::MediaResponseCallback& callback)
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: request_(request),
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callback_(callback),
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microphone_requested_(
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request_.audio_type == content::MEDIA_DEVICE_AUDIO_CAPTURE),
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webcam_requested_(
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request_.video_type == content::MEDIA_DEVICE_VIDEO_CAPTURE) {
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}
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MediaStreamDevicesController::~MediaStreamDevicesController() {}
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bool MediaStreamDevicesController::TakeAction() {
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// Deny the request if there is no device attached to the OS.
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if (!HasAnyAvailableDevice()) {
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Deny();
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return true;
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}
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Accept();
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return true;
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}
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void MediaStreamDevicesController::Accept() {
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// Get the default devices for the request.
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content::MediaStreamDevices devices;
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if (microphone_requested_ || webcam_requested_) {
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switch (request_.request_type) {
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case content::MEDIA_OPEN_DEVICE:
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// For open device request pick the desired device or fall back to the
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// first available of the given type.
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MediaCaptureDevicesDispatcher::GetInstance()->GetRequestedDevice(
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request_.requested_device_id,
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microphone_requested_,
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webcam_requested_,
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&devices);
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break;
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case content::MEDIA_DEVICE_ACCESS:
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case content::MEDIA_GENERATE_STREAM:
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case content::MEDIA_ENUMERATE_DEVICES:
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// Get the default devices for the request.
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MediaCaptureDevicesDispatcher::GetInstance()->
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GetDefaultDevices(microphone_requested_,
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webcam_requested_,
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&devices);
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break;
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}
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}
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LOG(ERROR) << "Accept";
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callback_.Run(devices, scoped_ptr<content::MediaStreamUI>());
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}
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void MediaStreamDevicesController::Deny() {
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callback_.Run(content::MediaStreamDevices(),
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scoped_ptr<content::MediaStreamUI>());
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}
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} // namespace atom
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