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Bug 1207221 - Do not prevent the system app from vibrating when it is hidden. r=bz r=dhylands

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This commit is contained in:
Gabriele Svelto 2015-11-09 14:44:56 +01:00
parent 73a47de405
commit def1221fe8
2 changed files with 16 additions and 6 deletions
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20
dom/base/Navigator.cpp
View File

@ -774,13 +774,25 @@ NS_IMPL_ISUPPORTS(VibrateWindowListener, nsIDOMEventListener)
StaticRefPtr<VibrateWindowListener> gVibrateWindowListener;
static bool
MayVibrate(nsIDocument* doc) {
#if MOZ_WIDGET_GONK
if (XRE_IsParentProcess()) {
return true; // The system app can always vibrate
}
#endif // MOZ_WIDGET_GONK
// Hidden documents cannot start or stop a vibration.
return (doc && !doc->Hidden());
}
NS_IMETHODIMP
VibrateWindowListener::HandleEvent(nsIDOMEvent* aEvent)
{
nsCOMPtr<nsIDocument> doc =
do_QueryInterface(aEvent->InternalDOMEvent()->GetTarget());
if (!doc || doc->Hidden()) {
if (!MayVibrate(doc)) {
// It's important that we call CancelVibrate(), not Vibrate() with an
// empty list, because Vibrate() will fail if we're no longer focused, but
// CancelVibrate() will succeed, so long as nobody else has started a new
@ -853,12 +865,8 @@ Navigator::Vibrate(const nsTArray<uint32_t>& aPattern)
}
nsCOMPtr<nsIDocument> doc = mWindow->GetExtantDoc();
if (!doc) {
return false;
}
if (doc->Hidden()) {
// Hidden documents cannot start or stop a vibration.
if (!MayVibrate(doc)) {
return false;
}

2
hal/Hal.cpp
View File

@ -124,6 +124,7 @@ Vibrate(const nsTArray<uint32_t>& pattern, const WindowIdentifier &id)
{
AssertMainThread();
#if !defined(MOZ_WIDGET_GONK)
// Only active windows may start vibrations. If |id| hasn't gone
// through the IPC layer -- that is, if our caller is the outside
// world, not hal_proxy -- check whether the window is active. If
@ -134,6 +135,7 @@ Vibrate(const nsTArray<uint32_t>& pattern, const WindowIdentifier &id)
HAL_LOG("Vibrate: Window is inactive, dropping vibrate.");
return;
}
#endif // !defined(MOZ_WIDGET_GONK)
if (!InSandbox()) {
if (!gLastIDToVibrate) {