Show Emoji key by longpressing the enter key

Bug: 11074625
Change-Id: I5fc57a2b68d7dcfb8dbebf5821b76b0895a947f9

java/res/values/attrs.xml

@@ -413,7 +413,6 @@
         </attr>
         <attr name="navigateNext" format="boolean" />
         <attr name="navigatePrevious" format="boolean" />
-        <attr name="navigateEmoji" format="boolean" />
         <attr name="passwordInput" format="boolean" />
         <attr name="clobberSettingsKey" format="boolean" />
         <attr name="shortcutKeyEnabled" format="boolean" />

java/res/xml/key_styles_enter.xml

@@ -21,13 +21,14 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
+    <!-- TODO: Stop using many conditional cases for emoji_key_as_more_key. There are way too many to maintain. -->
     <!-- Navigate more keys style -->
     <switch>
-        <!-- navigateEmoji="false" -->
+        <!-- latin:passwordInput="true" -->
         <case
             latin:imeAction="actionNext"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -37,7 +38,7 @@
         <case
             latin:imeAction="actionNext"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle" />
@@ -45,7 +46,7 @@
         <case
             latin:imeAction="actionPrevious"
             latin:navigateNext="true"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -55,16 +56,15 @@
         <case
             latin:imeAction="actionPrevious"
             latin:navigateNext="false"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle" />
         </case>
-        <!-- imeAction!="actionNext" and imeAction!="actionPrevious" -->
         <case
             latin:navigateNext="true"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -74,7 +74,7 @@
         <case
             latin:navigateNext="true"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -84,7 +84,7 @@
         <case
             latin:navigateNext="false"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -94,16 +94,90 @@
         <case
             latin:navigateNext="false"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="false"
+            latin:passwordInput="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle" />
         </case>
-        <!-- navigateEmoji="true" -->
+        <!-- latin:mode="email|url|phone|number|date|time|datetime" -->
+        <case
+            latin:imeAction="actionNext"
+            latin:navigatePrevious="true"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint|preserveCase"
+                latin:moreKeys="!text/action_previous_as_more_key" />
+        </case>
+        <case
+            latin:imeAction="actionNext"
+            latin:navigatePrevious="false"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle" />
+        </case>
+        <case
+            latin:imeAction="actionPrevious"
+            latin:navigateNext="true"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint|preserveCase"
+                latin:moreKeys="!text/action_next_as_more_key" />
+        </case>
+        <case
+            latin:imeAction="actionPrevious"
+            latin:navigateNext="false"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle" />
+        </case>
+        <case
+            latin:navigateNext="true"
+            latin:navigatePrevious="true"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint|preserveCase"
+                latin:moreKeys="!fixedColumnOrder!2,!needsDividers!,!text/action_previous_as_more_key,!text/action_next_as_more_key" />
+        </case>
+        <case
+            latin:navigateNext="true"
+            latin:navigatePrevious="false"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint|preserveCase"
+                latin:moreKeys="!text/action_next_as_more_key" />
+        </case>
+        <case
+            latin:navigateNext="false"
+            latin:navigatePrevious="true"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle"
+                latin:keyLabelFlags="hasPopupHint|preserveCase"
+                latin:moreKeys="!text/action_previous_as_more_key" />
+        </case>
+        <case
+            latin:navigateNext="false"
+            latin:navigatePrevious="false"
+            latin:mode="email|url|phone|number|date|time|datetime"
+        >
+            <key-style
+                latin:styleName="navigateMoreKeysStyle" />
+        </case>
+        <!-- default -->
         <case
             latin:imeAction="actionNext"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -113,7 +187,6 @@
         <case
             latin:imeAction="actionNext"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -122,7 +195,6 @@
         <case
             latin:imeAction="actionPrevious"
             latin:navigateNext="true"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -132,17 +204,14 @@
         <case
             latin:imeAction="actionPrevious"
             latin:navigateNext="false"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
                 latin:moreKeys="!text/emoji_key_as_more_key" />
         </case>
-        <!-- imeAction!="actionNext" and imeAction!="actionPrevious" -->
         <case
             latin:navigateNext="true"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -152,7 +221,6 @@
         <case
             latin:navigateNext="true"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -162,7 +230,6 @@
         <case
             latin:navigateNext="false"
             latin:navigatePrevious="true"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"
@@ -172,7 +239,6 @@
         <case
             latin:navigateNext="false"
             latin:navigatePrevious="false"
-            latin:navigateEmoji="true"
         >
             <key-style
                 latin:styleName="navigateMoreKeysStyle"