Bug 1899076 - Add a log when we skip processing each input block. r=botond (e08a3425) · Commits · The Tor Project / Applications / Mullvad Browser

gfx/layers/apz/src/InputBlockState.h

+16 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,11 @@ class CancelableBlockState : public InputBlockState {
		*/
		bool IsContentResponseTimerExpired() const;

		/**
		* Checks if the content has responded.
		*/
		bool HasContentResponded() const { return mContentResponded; }

		/**
		* @return true iff web content cancelled this block of events.
		*/
		@@ -346,6 +351,13 @@ class PanGestureBlockState : public CancelableBlockState {
		return mAllowedScrollDirections;
		}

		bool IsWaitingForBrowserGestureResponse() const {
		return mWaitingForBrowserGestureResponse;
		}
		bool IsWaitingForContentResponse() const {
		return mWaitingForContentResponse;
		}

		private:
		bool mInterrupted;
		bool mWaitingForContentResponse;
		@@ -378,6 +390,10 @@ class PinchGestureBlockState : public CancelableBlockState {

		void SetNeedsToWaitForContentResponse(bool aWaitForContentResponse);

		bool IsWaitingForContentResponse() const {
		return mWaitingForContentResponse;
		}

		private:
		bool mInterrupted;
		bool mWaitingForContentResponse;

gfx/layers/apz/src/InputQueue.cpp

+31 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@

		static mozilla::LazyLogModule sApzInpLog("apz.inputqueue");
		#define INPQ_LOG(...) MOZ_LOG(sApzInpLog, LogLevel::Debug, (__VA_ARGS__))
		#define INPQ_LOG_TEST() MOZ_LOG_TEST(sApzInpLog, LogLevel::Debug)

		namespace mozilla {
		namespace layers {
		@@ -1058,6 +1059,36 @@ bool InputQueue::ProcessQueue() {
		InputBlockState* curBlock = mQueuedInputs[0]->Block();
		CancelableBlockState* cancelable = curBlock->AsCancelableBlock();
		if (cancelable && !cancelable->IsReadyForHandling()) {
		if (MOZ_UNLIKELY(INPQ_LOG_TEST())) {
		nsAutoCString additionalLog;
		if (curBlock->AsTouchBlock()) {
		// touch
		additionalLog.AppendPrintf(
		"waiting-long-tap-result: %d allowed-touch-behaviors: %d",
		curBlock->AsTouchBlock()->IsWaitingLongTapResult(),
		curBlock->AsTouchBlock()->HasAllowedTouchBehaviors());
		} else if (curBlock->AsPanGestureBlock()) {
		// pan gesture
		additionalLog.AppendPrintf(
		"waiting-browser-gesture-response: %d waiting-content-response: "
		"%d",
		curBlock->AsPanGestureBlock()
		->IsWaitingForBrowserGestureResponse(),
		curBlock->AsPanGestureBlock()->IsWaitingForContentResponse());
		} else if (curBlock->AsPinchGestureBlock()) {
		// pinch gesture
		additionalLog.AppendPrintf(
		"waiting-content-response: %d",
		curBlock->AsPinchGestureBlock()->IsWaitingForContentResponse());
		}

		INPQ_LOG(
		"skip processing %s block %p; target-confirmed: %d "
		"content-responded: %d content-response-expired: %d %s",
		cancelable->Type(), cancelable, cancelable->IsTargetConfirmed(),
		cancelable->HasContentResponded(),
		cancelable->IsContentResponseTimerExpired(), additionalLog.get());
		}
		break;
		}