From eee7740a5749d73e6ff94d8e01a23c62ffe65882 Mon Sep 17 00:00:00 2001
From: lancer <591320480@qq.com>
Date: Wed, 15 Mar 2023 16:14:07 +0800
Subject: [PATCH] Description: check zero count when dispatch rotate end event
 IssueNo: https://gitee.com/openharmony/graphic_ui/issues/I6NDKY Feature or
 Bugfix: Feature Binary Source:No Signed-off-by: lancer <haoshuo@huawei.com>

---
 frameworks/dock/rotate_input_device.cpp         | 16 ++++++++++++----
 interfaces/innerkits/dock/rotate_input_device.h |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/frameworks/dock/rotate_input_device.cpp b/frameworks/dock/rotate_input_device.cpp
index d8e56b5..d836eb2 100644
--- a/frameworks/dock/rotate_input_device.cpp
+++ b/frameworks/dock/rotate_input_device.cpp
@@ -25,10 +25,14 @@ constexpr int16_t ROTATE_INPUT_THRESHOLD = 1;
 #else
 constexpr int16_t ROTATE_INPUT_THRESHOLD = 10;
 #endif
+constexpr uint8_t ROTATE_END_ZERO_COUNT = 2;
 }
 
 namespace OHOS {
-RotateInputDevice::RotateInputDevice() : rotateStart_(false), threshold_(ROTATE_INPUT_THRESHOLD), cachedRotation_(0) {}
+RotateInputDevice::RotateInputDevice()
+    : rotateStart_(false), threshold_(ROTATE_INPUT_THRESHOLD), cachedRotation_(0), zeroCount_(0)
+{
+}
 
 void RotateInputDevice::DispatchEvent(const DeviceData& data)
 {
@@ -65,9 +69,13 @@ void RotateInputDevice::DispatchEvent(const DeviceData& data)
     }
 
     if (data.rotate == 0 && rotateStart_) {
-        view->OnRotateEndEvent(0);
-        rotateStart_ = false;
-        GRAPHIC_LOGW("RotateInputDevice dispatched 0-value event!\n");
+        zeroCount_++;
+        if (zeroCount_ >= ROTATE_END_ZERO_COUNT) {
+            view->OnRotateEndEvent(0);
+            zeroCount_ = 0;
+            rotateStart_ = false;
+            GRAPHIC_LOGW("RotateInputDevice dispatched 0-value event!\n");
+        }
         return;
     }
     if (!rotateStart_) {
diff --git a/interfaces/innerkits/dock/rotate_input_device.h b/interfaces/innerkits/dock/rotate_input_device.h
index 706e41e..496a318 100644
--- a/interfaces/innerkits/dock/rotate_input_device.h
+++ b/interfaces/innerkits/dock/rotate_input_device.h
@@ -39,6 +39,7 @@ protected:
     bool rotateStart_;
     int16_t threshold_;
     int16_t cachedRotation_;
+    uint8_t zeroCount_;
 };
 } // namespace OHOS
 
-- 
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