summaryrefslogtreecommitdiffstats
path: root/dom/system/gonk/AudioChannelManager.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/system/gonk/AudioChannelManager.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/system/gonk/AudioChannelManager.h')
-rw-r--r--dom/system/gonk/AudioChannelManager.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/dom/system/gonk/AudioChannelManager.h b/dom/system/gonk/AudioChannelManager.h
new file mode 100644
index 000000000..a460651e7
--- /dev/null
+++ b/dom/system/gonk/AudioChannelManager.h
@@ -0,0 +1,87 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_system_AudioChannelManager_h
+#define mozilla_dom_system_AudioChannelManager_h
+
+#include "mozilla/dom/BrowserElementAudioChannel.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/Hal.h"
+#include "mozilla/HalTypes.h"
+#include "mozilla/Maybe.h"
+#include "AudioChannelService.h"
+
+namespace mozilla {
+namespace hal {
+class SwitchEvent;
+typedef Observer<SwitchEvent> SwitchObserver;
+} // namespace hal
+
+namespace dom {
+namespace system {
+
+class AudioChannelManager final
+ : public DOMEventTargetHelper
+ , public hal::SwitchObserver
+ , public nsIDOMEventListener
+{
+public:
+ AudioChannelManager();
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_NSIDOMEVENTLISTENER
+
+ void Notify(const hal::SwitchEvent& aEvent);
+
+ void Init(nsPIDOMWindowInner* aWindow);
+
+ /**
+ * WebIDL Interface
+ */
+
+ nsPIDOMWindowInner* GetParentObject() const
+ {
+ return GetOwner();
+ }
+
+ virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ bool Headphones()
+ {
+ // Bug 929139 - Remove the assert check for SWITCH_STATE_UNKNOWN.
+ // If any devices (ex: emulator) didn't have the corresponding sys node for
+ // headset switch state then GonkSwitch will report the unknown state.
+ // So it is possible to get unknown state here.
+ if (mState.isNothing()) {
+ mState = Some(hal::GetCurrentSwitchState(hal::SWITCH_HEADPHONES));
+ }
+ return mState.value() != hal::SWITCH_STATE_OFF &&
+ mState.value() != hal::SWITCH_STATE_UNKNOWN;
+ }
+
+ bool SetVolumeControlChannel(const nsAString& aChannel);
+
+ bool GetVolumeControlChannel(nsAString& aChannel);
+
+ IMPL_EVENT_HANDLER(headphoneschange)
+
+ void GetAllowedAudioChannels(
+ nsTArray<RefPtr<mozilla::dom::BrowserElementAudioChannel>>& aAudioChannels,
+ mozilla::ErrorResult& aRv);
+
+protected:
+ virtual ~AudioChannelManager();
+
+private:
+ void NotifyVolumeControlChannelChanged();
+
+ Maybe<hal::SwitchState> mState;
+ int32_t mVolumeChannel;
+};
+
+} // namespace system
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_system_AudioChannelManager_h