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// Copyright (c) 2012 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.
#include "content/renderer/pepper/pepper_device_enumeration_event_handler.h"
#include "base/logging.h"
#include "ppapi/shared_impl/ppb_device_ref_shared.h"
namespace content {
namespace {
ppapi::DeviceRefData FromStreamDeviceInfo(const StreamDeviceInfo& info) {
ppapi::DeviceRefData data;
data.id = info.device.id;
data.name = info.device.name;
data.type = PepperDeviceEnumerationEventHandler::FromMediaStreamType(
info.device.type);
return data;
}
} // namespace
PepperDeviceEnumerationEventHandler::PepperDeviceEnumerationEventHandler()
: next_id_(1) {
}
PepperDeviceEnumerationEventHandler::~PepperDeviceEnumerationEventHandler() {
DCHECK(enumerate_callbacks_.empty());
DCHECK(open_callbacks_.empty());
}
int PepperDeviceEnumerationEventHandler::RegisterEnumerateDevicesCallback(
const webkit::ppapi::PluginDelegate::EnumerateDevicesCallback& callback) {
enumerate_callbacks_[next_id_] = callback;
return next_id_++;
}
void PepperDeviceEnumerationEventHandler::UnregisterEnumerateDevicesCallback(
int request_id) {
enumerate_callbacks_.erase(request_id);
}
int PepperDeviceEnumerationEventHandler::RegisterOpenDeviceCallback(
const PepperPluginDelegateImpl::OpenDeviceCallback& callback) {
open_callbacks_[next_id_] = callback;
return next_id_++;
}
void PepperDeviceEnumerationEventHandler::OnStreamGenerated(
int request_id,
const std::string& label,
const StreamDeviceInfoArray& audio_device_array,
const StreamDeviceInfoArray& video_device_array) {
}
void PepperDeviceEnumerationEventHandler::OnStreamGenerationFailed(
int request_id) {
}
void PepperDeviceEnumerationEventHandler::OnDevicesEnumerated(
int request_id,
const StreamDeviceInfoArray& device_array) {
NotifyDevicesEnumerated(request_id, true, device_array);
}
void PepperDeviceEnumerationEventHandler::OnDevicesEnumerationFailed(
int request_id) {
NotifyDevicesEnumerated(request_id, false, StreamDeviceInfoArray());
}
void PepperDeviceEnumerationEventHandler::OnDeviceOpened(
int request_id,
const std::string& label,
const StreamDeviceInfo& device_info) {
NotifyDeviceOpened(request_id, true, label);
}
void PepperDeviceEnumerationEventHandler::OnDeviceOpenFailed(int request_id) {
NotifyDeviceOpened(request_id, false, "");
}
// static
MediaStreamType PepperDeviceEnumerationEventHandler::FromPepperDeviceType(
PP_DeviceType_Dev type) {
switch (type) {
case PP_DEVICETYPE_DEV_INVALID:
return MEDIA_NO_SERVICE;
case PP_DEVICETYPE_DEV_AUDIOCAPTURE:
return MEDIA_DEVICE_AUDIO_CAPTURE;
case PP_DEVICETYPE_DEV_VIDEOCAPTURE:
return MEDIA_DEVICE_VIDEO_CAPTURE;
default:
NOTREACHED();
return MEDIA_NO_SERVICE;
}
}
// static
PP_DeviceType_Dev PepperDeviceEnumerationEventHandler::FromMediaStreamType(
MediaStreamType type) {
switch (type) {
case MEDIA_NO_SERVICE:
return PP_DEVICETYPE_DEV_INVALID;
case MEDIA_DEVICE_AUDIO_CAPTURE:
return PP_DEVICETYPE_DEV_AUDIOCAPTURE;
case MEDIA_DEVICE_VIDEO_CAPTURE:
return PP_DEVICETYPE_DEV_VIDEOCAPTURE;
default:
NOTREACHED();
return PP_DEVICETYPE_DEV_INVALID;
}
}
void PepperDeviceEnumerationEventHandler::NotifyDevicesEnumerated(
int request_id,
bool succeeded,
const StreamDeviceInfoArray& device_array) {
EnumerateCallbackMap::iterator iter = enumerate_callbacks_.find(request_id);
if (iter == enumerate_callbacks_.end()) {
// This might be enumerated result sent before StopEnumerateDevices is
// called since EnumerateDevices is persistent request.
return;
}
webkit::ppapi::PluginDelegate::EnumerateDevicesCallback callback =
iter->second;
std::vector<ppapi::DeviceRefData> devices;
if (succeeded) {
devices.reserve(device_array.size());
for (StreamDeviceInfoArray::const_iterator info =
device_array.begin(); info != device_array.end(); ++info) {
devices.push_back(FromStreamDeviceInfo(*info));
}
}
callback.Run(request_id, succeeded, devices);
}
void PepperDeviceEnumerationEventHandler::NotifyDeviceOpened(
int request_id,
bool succeeded,
const std::string& label) {
OpenCallbackMap::iterator iter = open_callbacks_.find(request_id);
if (iter == open_callbacks_.end()) {
NOTREACHED();
return;
}
PepperPluginDelegateImpl::OpenDeviceCallback callback = iter->second;
open_callbacks_.erase(iter);
callback.Run(request_id, succeeded, label);
}
} // namespace content
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