Swipe: Add dy for vertical 3f swipe

This CL adds a dy parameter to the swipe gesture representing 3f
movement up or down. It also updates activity log/replay to store/load
swipe's dy to/from log files.

BUG=chromium-os:31745
TEST=Dave Moore tested 3f swipe and is happy with it.
Regression test link/simple_3f_swipe

Change-Id: I2aab3f5af96f59195201d6ad1ae383f5013ed6a9
Reviewed-on: https://gerrit.chromium.org/gerrit/38504
Commit-Ready: Andrew de los Reyes <adlr@chromium.org>
Reviewed-by: Andrew de los Reyes <adlr@chromium.org>
Tested-by: Andrew de los Reyes <adlr@chromium.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/activity_replay.cc b/src/activity_replay.cc
index f897054..322a097 100644
--- a/src/activity_replay.cc
+++ b/src/activity_replay.cc
@@ -340,6 +340,9 @@ bool ActivityReplay::ParseGesture(DictionaryValue* entry) {
   } else if (gesture_type == ActivityLog::kValueGestureTypeScroll) {
     if (!ParseGestureScroll(entry, &gs))
       return false;
+  } else if (gesture_type == ActivityLog::kValueGestureTypeSwipe) {
+    if (!ParseGestureSwipe(entry, &gs))
+      return false;
   } else if (gesture_type == ActivityLog::kValueGestureTypePinch) {
     if (!ParseGesturePinch(entry, &gs))
       return false;
@@ -389,6 +392,23 @@ bool ActivityReplay::ParseGestureScroll(DictionaryValue* entry,
   return true;
 }
 
+bool ActivityReplay::ParseGestureSwipe(DictionaryValue* entry,
+                                       Gesture* out_gs) {
+  out_gs->type = kGestureTypeSwipe;
+  double dbl;
+  if (!entry->GetDouble(ActivityLog::kKeyGestureSwipeDX, &dbl)) {
+    Err("can't parse swipe dx");
+    return false;
+  }
+  out_gs->details.swipe.dx = dbl;
+  if (!entry->GetDouble(ActivityLog::kKeyGestureSwipeDY, &dbl)) {
+    Err("can't parse swipe dy");
+    return false;
+  }
+  out_gs->details.swipe.dy = dbl;
+  return true;
+}
+
 bool ActivityReplay::ParseGesturePinch(DictionaryValue* entry,
                                        Gesture* out_gs) {
   out_gs->type = kGestureTypePinch;