This source file includes following definitions.
- GetFactoryInstance
- service_
- GetService
- OnDeviceChanged
- RunImpl
- OnGetInfoCompleted
- RunImpl
- RunImpl
#include "chrome/browser/extensions/api/audio/audio_api.h"
#include "base/lazy_instance.h"
#include "base/values.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/extensions/api/audio.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_system.h"
namespace extensions {
namespace audio = api::audio;
static base::LazyInstance<BrowserContextKeyedAPIFactory<AudioAPI> > g_factory =
LAZY_INSTANCE_INITIALIZER;
BrowserContextKeyedAPIFactory<AudioAPI>* AudioAPI::GetFactoryInstance() {
return g_factory.Pointer();
}
AudioAPI::AudioAPI(content::BrowserContext* context)
: browser_context_(context), service_(AudioService::CreateInstance()) {
service_->AddObserver(this);
}
AudioAPI::~AudioAPI() {
service_->RemoveObserver(this);
delete service_;
service_ = NULL;
}
AudioService* AudioAPI::GetService() const {
return service_;
}
void AudioAPI::OnDeviceChanged() {
if (browser_context_ &&
ExtensionSystem::Get(browser_context_)->event_router()) {
scoped_ptr<Event> event(new Event(
audio::OnDeviceChanged::kEventName,
scoped_ptr<base::ListValue>(new base::ListValue())));
ExtensionSystem::Get(browser_context_)->event_router()->BroadcastEvent(
event.Pass());
}
}
bool AudioGetInfoFunction::RunImpl() {
AudioService* service =
AudioAPI::GetFactoryInstance()->Get(GetProfile())->GetService();
DCHECK(service);
service->StartGetInfo(base::Bind(&AudioGetInfoFunction::OnGetInfoCompleted,
this));
return true;
}
void AudioGetInfoFunction::OnGetInfoCompleted(const OutputInfo& output_info,
const InputInfo& input_info,
bool success) {
if (success)
results_ = api::audio::GetInfo::Results::Create(output_info, input_info);
else
SetError("Error occurred when querying audio device information.");
SendResponse(success);
}
bool AudioSetActiveDevicesFunction::RunImpl() {
scoped_ptr<api::audio::SetActiveDevices::Params> params(
api::audio::SetActiveDevices::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
AudioService* service =
AudioAPI::GetFactoryInstance()->Get(GetProfile())->GetService();
DCHECK(service);
service->SetActiveDevices(params->ids);
return true;
}
bool AudioSetPropertiesFunction::RunImpl() {
scoped_ptr<api::audio::SetProperties::Params> params(
api::audio::SetProperties::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
AudioService* service =
AudioAPI::GetFactoryInstance()->Get(GetProfile())->GetService();
DCHECK(service);
int volume_value = params->properties.volume.get() ?
*params->properties.volume : -1;
int gain_value = params->properties.gain.get() ?
*params->properties.gain : -1;
if (!service->SetDeviceProperties(params->id,
params->properties.is_muted,
volume_value,
gain_value))
return false;
else
return true;
}
}