Add multiple gesture preview trails animation
Change-Id: I533e6de9b138317472565be82c8ba5e422472888
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 4975d65..cced45d 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -131,6 +131,12 @@
<attr name="gestureFloatingPreviewTextConnectorWidth" format="dimension" />
<!-- Delay after gesture input and gesture floating preview text dismissing in millisecond -->
<attr name="gestureFloatingPreviewTextLingerTimeout" format="integer" />
+ <!-- Delay after gesture trail starts fading out in millisecond. -->
+ <attr name="gesturePreviewTrailFadeoutStartDelay" format="integer" />
+ <!-- Duration while gesture preview trail is fading out in millisecond. -->
+ <attr name="gesturePreviewTrailFadeoutDuration" format="integer" />
+ <!-- Interval of updating gesture preview trail in millisecond. -->
+ <attr name="gesturePreviewTrailUpdateInterval" format="integer" />
<attr name="gesturePreviewTrailColor" format="color" />
<attr name="gesturePreviewTrailWidth" format="dimension" />
</declare-styleable>
diff --git a/java/res/values/config.xml b/java/res/values/config.xml
index 54a6687..8477df0 100644
--- a/java/res/values/config.xml
+++ b/java/res/values/config.xml
@@ -50,6 +50,9 @@
-->
<integer name="config_key_preview_linger_timeout">70</integer>
<integer name="config_gesture_floating_preview_text_linger_timeout">200</integer>
+ <integer name="config_gesture_preview_trail_fadeout_start_delay">100</integer>
+ <integer name="config_gesture_preview_trail_fadeout_duration">1000</integer>
+ <integer name="config_gesture_preview_trail_update_interval">20</integer>
<!--
Configuration for MainKeyboardView
-->
diff --git a/java/res/values/styles.xml b/java/res/values/styles.xml
index ae67c43..e5e7fed 100644
--- a/java/res/values/styles.xml
+++ b/java/res/values/styles.xml
@@ -78,6 +78,9 @@
<item name="gestureFloatingPreviewTextConnectorColor">@android:color/white</item>
<item name="gestureFloatingPreviewTextConnectorWidth">@dimen/gesture_floating_preview_text_connector_width</item>
<item name="gestureFloatingPreviewTextLingerTimeout">@integer/config_gesture_floating_preview_text_linger_timeout</item>
+ <item name="gesturePreviewTrailFadeoutStartDelay">@integer/config_gesture_preview_trail_fadeout_start_delay</item>
+ <item name="gesturePreviewTrailFadeoutDuration">@integer/config_gesture_preview_trail_fadeout_duration</item>
+ <item name="gesturePreviewTrailUpdateInterval">@integer/config_gesture_preview_trail_update_interval</item>
<item name="gesturePreviewTrailColor">@android:color/holo_blue_light</item>
<item name="gesturePreviewTrailWidth">@dimen/gesture_preview_trail_width</item>
<!-- Common attributes of MainKeyboardView -->