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Bug 794725 - Don't report pointer movement when we re-enter application window. r=smaug

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This commit is contained in:
Chris Pearce 2012-10-01 09:15:29 +13:00
parent ad138984ba
commit f8eef7102f
1 changed files with 15 additions and 3 deletions
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18
content/events/src/nsEventStateManager.cpp
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@ -111,6 +111,8 @@ using namespace mozilla::dom;
#define NS_USER_INTERACTION_INTERVAL 5000 // ms
static const nsIntPoint kInvalidRefPoint = nsIntPoint(-1,-1);
static bool sLeftClickOnly = true;
static bool sKeyCausesActivation = true;
static uint32_t sESMInstanceCount = 0;
@ -120,9 +122,9 @@ bool nsEventStateManager::sNormalLMouseEventInProcess = false;
nsEventStateManager* nsEventStateManager::sActiveESM = nullptr;
nsIDocument* nsEventStateManager::sMouseOverDocument = nullptr;
nsWeakFrame nsEventStateManager::sLastDragOverFrame = nullptr;
nsIntPoint nsEventStateManager::sLastRefPoint = nsIntPoint(0,0);
nsIntPoint nsEventStateManager::sLastRefPoint = kInvalidRefPoint;
nsIntPoint nsEventStateManager::sLastScreenPoint = nsIntPoint(0,0);
nsIntPoint nsEventStateManager::sSynthCenteringPoint = nsIntPoint(-1,-1);
nsIntPoint nsEventStateManager::sSynthCenteringPoint = kInvalidRefPoint;
nsIntPoint nsEventStateManager::sLastClientPoint = nsIntPoint(0,0);
bool nsEventStateManager::sIsPointerLocked = false;
// Reference to the pointer locked element.
@ -4162,8 +4164,14 @@ nsEventStateManager::GenerateMouseEnterExit(nsGUIEvent* aEvent)
aEvent->flags |= NS_EVENT_FLAG_STOP_DISPATCH;
// Clear sSynthCenteringPoint so we don't cancel other events
// targeted at the center.
sSynthCenteringPoint = nsIntPoint(-1,-1);
sSynthCenteringPoint = kInvalidRefPoint;
}
} else if (sLastRefPoint == kInvalidRefPoint) {
// We don't have a valid previous mousemove refPoint. This is either
// the first move we've encountered, or the mouse has just re-entered
// the application window. We should report (0,0) movement for this
// case, so make the current and previous refPoints the same.
aEvent->lastRefPoint = aEvent->refPoint;
} else {
aEvent->lastRefPoint = sLastRefPoint;
}
@ -4197,6 +4205,10 @@ nsEventStateManager::GenerateMouseEnterExit(nsGUIEvent* aEvent)
break;
}
// Reset sLastRefPoint, so that we'll know not to report any
// movement the next time we re-enter the window.
sLastRefPoint = kInvalidRefPoint;
NotifyMouseOut(aEvent, nullptr);
}
break;