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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/speech/tts_environment_android_impl.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
using base::android::ApplicationStatusListener;
namespace content {
TtsEnvironmentAndroidImpl::TtsEnvironmentAndroidImpl() = default;
TtsEnvironmentAndroidImpl::~TtsEnvironmentAndroidImpl() = default;
bool TtsEnvironmentAndroidImpl::CanSpeakUtterancesFromHiddenWebContents() {
return true;
}
bool TtsEnvironmentAndroidImpl::CanSpeakNow() {
return ApplicationStatusListener::HasVisibleActivities();
}
void TtsEnvironmentAndroidImpl::SetCanSpeakNowChangedCallback(
base::RepeatingClosure callback) {
if (!application_status_listener_) {
application_status_listener_ =
ApplicationStatusListener::New(base::BindRepeating(
&TtsEnvironmentAndroidImpl::OnApplicationStateChanged,
base::Unretained(this)));
}
can_speak_now_changed_callback_ = std::move(callback);
}
void TtsEnvironmentAndroidImpl::OnApplicationStateChanged(
base::android::ApplicationState state) {
if (can_speak_now_changed_callback_)
can_speak_now_changed_callback_.Run();
}
} // namespace content
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