From 0333c590ade0d8bc68fc1c3e6b318ee44a864433 Mon Sep 17 00:00:00 2001
From: Cezar Augusto <cezaraugusto@outlook.it>
Date: Tue, 18 Jul 2017 17:01:51 -0300
Subject: [PATCH] Update tab page index based on active state Fix #9922 Fix
 #9911

---
 app/renderer/reducers/frameReducer.js | 27 ++++++++++++++++-----------
 js/state/frameStateUtil.js            | 15 ++++++++++-----
 2 files changed, 26 insertions(+), 16 deletions(-)

diff --git a/app/renderer/reducers/frameReducer.js b/app/renderer/reducers/frameReducer.js
index 7fe20926c75..ea4c5dc1672 100644
--- a/app/renderer/reducers/frameReducer.js
+++ b/app/renderer/reducers/frameReducer.js
@@ -83,7 +83,10 @@ const getLocation = (location) => {
 const frameReducer = (state, action, immutableAction) => {
   switch (action.actionType) {
     case appConstants.APP_TAB_UPDATED:
+      // This case will be fired for both tab creation and tab update.
+      // being `tabValue` set for tab creation and `changeInfo` set for tab update
       const tab = immutableAction.get('tabValue')
+      const changeInfo = immutableAction.get('changeInfo')
       if (!tab) {
         break
       }
@@ -112,26 +115,28 @@ const frameReducer = (state, action, immutableAction) => {
       }
 
       // TODO fix race condition in Muon more info in #9000
-      const title = immutableAction.getIn(['tabValue', 'title'])
+      const title = tab.get('title')
       if (title != null) {
         state = state.setIn(['frames', index, 'title'], title)
       }
 
       // TODO fix race condition in Muon more info in #9000
-      const active = immutableAction.getIn(['tabValue', 'active'])
-      const hasTabInHoverState = state.getIn(['ui', 'tabs', 'hoverTabIndex'])
+      const active = tab.get('active')
       if (active != null) {
         if (active) {
-          state = state.set('activeFrameKey', frame.get('key'))
-          if (hasTabInHoverState != null) {
+          state = frameStateUtil.setActiveFrameKey(state, frame.get('key'))
+          state = frameStateUtil.setFrameLastAccessedTime(state, index)
+
+          // Handle tabPage updates and preview cancelation based on tab updated
+          // otherwise tabValue will fire those events each time a tab finish loading
+          // see bug #8429
+          const isNewTab = changeInfo.isEmpty()
+          const activeTabHasUpdated = changeInfo.get('active') != null
+
+          if (!isNewTab && activeTabHasUpdated) {
+            state = frameStateUtil.updateTabPageIndex(state, tabId)
             state = state.set('previewFrameKey', null)
           }
-          if (frame.getIn(['ui', 'tabs', 'hoverTabPageIndex']) == null) {
-            state = state.deleteIn(['ui', 'tabs', 'previewTabPageIndex'])
-          }
-          state = state.setIn(['frames', index, 'lastAccessedTime'], new Date().getTime())
-
-          state = frameStateUtil.updateTabPageIndex(state, tabId)
         }
       }
       break
diff --git a/js/state/frameStateUtil.js b/js/state/frameStateUtil.js
index 2d3e7ac624f..b71f871694e 100644
--- a/js/state/frameStateUtil.js
+++ b/js/state/frameStateUtil.js
@@ -219,6 +219,14 @@ function getActiveFrameKey (state) {
   return state.get('activeFrameKey')
 }
 
+const setActiveFrameKey = (state, frameKey) => {
+  return state.set('activeFrameKey', frameKey)
+}
+
+const setFrameLastAccessedTime = (state, index) => {
+  return state.setIn(['frames', index, 'lastAccessedTime'], new Date().getTime())
+}
+
 function getNextFrame (state) {
   const activeFrameIndex = findDisplayIndexForFrameKey(state, getActiveFrameKey(state))
   const index = (activeFrameIndex + 1) % state.get('frames').size
@@ -461,16 +469,11 @@ function isPinned (state, frameKey) {
  */
 function updateTabPageIndex (state, tabId, tabsPerPage = getSetting(settings.TABS_PER_PAGE)) {
   const index = getFrameTabPageIndex(state, tabId, tabsPerPage)
-  const isTabInHoverState = !!getHoverTabIndex(state)
 
   if (index === -1) {
     return state
   }
 
-  // Do not update tabPageIndex if user is in hover mode
-  if (isTabInHoverState) {
-    return state
-  }
   return state.setIn(['ui', 'tabs', 'tabPageIndex'], index)
 }
 const frameStatePath = (state, frameKey) => {
@@ -735,6 +738,8 @@ module.exports = {
   getFrameByTabId,
   getIndexByTabId,
   getPartitionNumber,
+  setFrameLastAccessedTime,
+  setActiveFrameKey,
   getActiveFrame,
   getNextFrame,
   getPreviousFrame,