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-rw-r--r--image/IDecodingTask.cpp15
1 files changed, 14 insertions, 1 deletions
diff --git a/image/IDecodingTask.cpp b/image/IDecodingTask.cpp
index a067e7a7d1..6e2f039be1 100644
--- a/image/IDecodingTask.cpp
+++ b/image/IDecodingTask.cpp
@@ -142,8 +142,10 @@ MetadataDecodingTask::Run()
// AnonymousDecodingTask implementation.
///////////////////////////////////////////////////////////////////////////////
-AnonymousDecodingTask::AnonymousDecodingTask(NotNull<Decoder*> aDecoder)
+AnonymousDecodingTask::AnonymousDecodingTask(NotNull<Decoder*> aDecoder,
+ bool aResumable)
: mDecoder(aDecoder)
+ , mResumable(aResumable)
{ }
void
@@ -168,5 +170,16 @@ AnonymousDecodingTask::Run()
}
}
+void
+AnonymousDecodingTask::Resume()
+{
+ // Anonymous decoders normally get all their data at once. We have some situations
+ // where they don't. If explicitly requested, resuming should be supported.
+ if (mResumable) {
+ RefPtr<AnonymousDecodingTask> self(this);
+ NS_DispatchToMainThread(NS_NewRunnableFunction([self]() -> void { self->Run(); }));
+ }
+}
+
} // namespace image
} // namespace mozilla