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Unified Diff: media/base/media_observer.h

Issue 2475643004: Monitor the intersection of video and viewport. (Closed)
Patch Set: Add ElementViewportRatioObserver. Created 4 years, 1 month ago
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Index: media/base/media_observer.h
diff --git a/media/base/media_observer.h b/media/base/media_observer.h
index c3e29a1789f173d2cc62ad12845392cfaf1a70f7..fcf920646997d6697d8812e3d14272309f622544 100644
--- a/media/base/media_observer.h
+++ b/media/base/media_observer.h
@@ -19,6 +19,8 @@ class MEDIA_EXPORT MediaObserver {
// Called when the media element entered/exited fullscreen.
virtual void OnEnteredFullscreen() = 0;
virtual void OnExitedFullscreen() = 0;
+ // Called when the video/viewport ratio changed.
+ virtual void OnVideoViewportRatioChanged(double ratio) {}
// Called when CDM is attached to the media element. The |cdm_context| is
// only guaranteed to be valid in this call.
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