Reset findText reply id on StopFinding to prevent callback later

Not updating lastReceivedFindReply caused next findText call after
StopFinding to trigger redundant callback call on checking stale query.

Fixes: QTBUG-77029
Change-Id: Iad4b71364ecb3ec3db3096b739e77620d12731f9
Reviewed-by: Peter Varga <[email protected]>

Author: Kirill Burtsev

src/core/web_contents_adapter.cpp

@@ -987,6 +987,7 @@ quint64 WebContentsAdapter::findText(const QString &subString, bool caseSensitiv
         // waiting for it forever.
         // Assume that any unfinished find has been unsuccessful when a new one is started
         // to cover that case.
+        m_webContentsDelegate->setLastReceivedFindReply(m_lastFindRequestId);
         m_adapterClient->didFindText(m_lastFindRequestId, 0);
     }
 
@@ -1007,6 +1008,7 @@ quint64 WebContentsAdapter::findText(const QString &subString, bool caseSensitiv
 void WebContentsAdapter::stopFinding()
 {
     CHECK_INITIALIZED();
+    m_webContentsDelegate->setLastReceivedFindReply(m_lastFindRequestId);
     m_webContentsDelegate->setLastSearchedString(QString());
     m_webContents->StopFinding(content::STOP_FIND_ACTION_KEEP_SELECTION);
 }

src/core/web_contents_delegate_qt.cpp

@@ -510,7 +510,7 @@ void WebContentsDelegateQt::FindReply(content::WebContents *source, int request_
     Q_UNUSED(source)
     Q_UNUSED(selection_rect)
     Q_UNUSED(active_match_ordinal)
-    if (final_update) {
+    if (final_update && request_id > m_lastReceivedFindReply) {
         m_lastReceivedFindReply = request_id;
         m_viewClient->didFindText(request_id, number_of_matches);
     }

src/core/web_contents_delegate_qt.h

@@ -114,6 +114,7 @@ class WebContentsDelegateQt : public content::WebContentsDelegate
     QString lastSearchedString() const { return m_lastSearchedString; }
     void setLastSearchedString(const QString &s) { m_lastSearchedString = s; }
     int lastReceivedFindReply() const { return m_lastReceivedFindReply; }
+    void setLastReceivedFindReply(int id) { m_lastReceivedFindReply = id; }
 
     QUrl url() const { return m_url; }
     QString title() const { return m_title; }

tests/auto/quick/qmltests/data/tst_findText.qml

@@ -222,6 +222,10 @@ TestWebEngineView {
             expectFailContinue('', 'No unexpected findText callback calls occurred.')
             tryVerify(function() { return webEngineView.findCallbackCalled() })
             verify(!webEngineView.findCallbackCalled())
+
+            webEngineView.clear();
+            webEngineView.findText('New page', findFlags, webEngineView.findTextCallback)
+            tryCompare(webEngineView, 'matchCount', 1)
         }
     }
 }