From 504f95e4f4d0aaf16c2d4c49c50c477910cd3c6b Mon Sep 17 00:00:00 2001
From: Jasper van Merle <jaspervmerle@gmail.com>
Date: Sun, 25 Nov 2018 00:28:36 +0100
Subject: [PATCH 1/2] Fix single documentation search on Android

---
 assets/javascripts/views/search/search_scope.coffee | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/assets/javascripts/views/search/search_scope.coffee b/assets/javascripts/views/search/search_scope.coffee
index 24de57ce..9be90dd2 100644
--- a/assets/javascripts/views/search/search_scope.coffee
+++ b/assets/javascripts/views/search/search_scope.coffee
@@ -7,6 +7,7 @@ class app.views.SearchScope extends app.View
 
   @events:
     keydown: 'onKeydown'
+    textInput: 'onTextInput'
 
   @routes:
     after: 'afterRoute'
@@ -100,6 +101,12 @@ class app.views.SearchScope extends app.View
         $.stopEvent(event) if @doc
     return
 
+  onTextInput: (event) =>
+    if event.data == ' ' and app.isMobile()
+      @search @input.value[0...@input.selectionStart]
+      $.stopEvent(event) if @doc
+    return
+
   extractHashValue: ->
     if value = @getHashValue()
       newHash = $.urlDecode(location.hash).replace "##{SEARCH_PARAM}=#{value} ", "##{SEARCH_PARAM}="

From c6f0f1693fdcc952d47a9ed8035f4194e7f3cfee Mon Sep 17 00:00:00 2001
From: Jasper van Merle <jaspervmerle@gmail.com>
Date: Tue, 4 Dec 2018 00:10:28 +0100
Subject: [PATCH 2/2] Limit new event listener to Chrome for Android

---
 assets/javascripts/lib/util.coffee               |  4 ++++
 .../javascripts/views/search/search_scope.coffee | 16 ++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/assets/javascripts/lib/util.coffee b/assets/javascripts/lib/util.coffee
index 058106fd..001b13de 100644
--- a/assets/javascripts/lib/util.coffee
+++ b/assets/javascripts/lib/util.coffee
@@ -352,6 +352,10 @@ isIE = null
 $.isIE = ->
   isIE ?= navigator.userAgent?.indexOf('MSIE') >= 0 || navigator.userAgent?.indexOf('rv:11.0') >= 0
 
+isChromeForAndroid = null
+$.isChromeForAndroid = ->
+  isChromeForAndroid ?= navigator.userAgent?.indexOf('Android') >= 0 && /Chrome\/([.0-9])+ Mobile/.test(navigator.userAgent)
+
 isAndroid = null
 $.isAndroid = ->
   isAndroid ?= navigator.userAgent?.indexOf('Android') >= 0
diff --git a/assets/javascripts/views/search/search_scope.coffee b/assets/javascripts/views/search/search_scope.coffee
index 9be90dd2..8b104011 100644
--- a/assets/javascripts/views/search/search_scope.coffee
+++ b/assets/javascripts/views/search/search_scope.coffee
@@ -88,23 +88,27 @@ class app.views.SearchScope extends app.View
     @trigger 'change', null, previousDoc
     return
 
+  doScopeSearch: (event) =>
+    @search @input.value[0...@input.selectionStart]
+    $.stopEvent(event) if @doc
+    return
+
   onKeydown: (event) =>
     if event.which is 8 # backspace
       if @doc and not @input.value
         $.stopEvent(event)
         @reset()
-    else if not @doc and @input.value
+    else if not @doc and @input.value and not $.isChromeForAndroid()
       return if event.ctrlKey or event.metaKey or event.altKey or event.shiftKey
       if event.which is 9 or # tab
          (event.which is 32 and app.isMobile()) # space
-        @search @input.value[0...@input.selectionStart]
-        $.stopEvent(event) if @doc
+        @doScopeSearch(event)
     return
 
   onTextInput: (event) =>
-    if event.data == ' ' and app.isMobile()
-      @search @input.value[0...@input.selectionStart]
-      $.stopEvent(event) if @doc
+    return unless $.isChromeForAndroid()
+    if not @doc and @input.value and event.data == ' '
+      @doScopeSearch(event)
     return
 
   extractHashValue: ->