CC Animation: Expose TargetProperty enum to be aliased in Blink Platform.

cc/animation/animation.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/animation/animation.h"
 
 #include <cmath>
 
 #include "base/strings/string_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/animation/animation_curve.h"
 #include "cc/base/time_util.h"
 
 namespace {
 
 // This should match the RunState enum.
 static const char* const s_runStateNames[] = {"WAITING_FOR_TARGET_AVAILABILITY",
                                               "WAITING_FOR_DELETION",
                                               "STARTING",
                                               "RUNNING",
                                               "PAUSED",
                                               "FINISHED",
                                               "ABORTED"};
 
 static_assert(static_cast<int>(cc::Animation::LAST_RUN_STATE) + 1 ==
                   arraysize(s_runStateNames),
               "RunStateEnumSize should equal the number of elements in "
               "s_runStateNames");
 
-// This should match the TargetProperty enum.
-static const char* const s_targetPropertyNames[] = {"TRANSFORM",
-                                                    "OPACITY",
-                                                    "FILTER",
-                                                    "SCROLL_OFFSET",
-                                                    "BACKGROUND_COLOR"};
-
-static_assert(static_cast<int>(cc::Animation::LAST_TARGET_PROPERTY) + 1 ==
-                  arraysize(s_targetPropertyNames),
-              "TargetPropertyEnumSize should equal the number of elements in "
-              "s_targetPropertyNames");
-
 }  // namespace
 
 namespace cc {
 
 scoped_ptr<Animation> Animation::Create(
     scoped_ptr<AnimationCurve> curve,
     int animation_id,
     int group_id,
-    TargetProperty target_property) {
+    AnimationTargetProperty target_property) {
   return make_scoped_ptr(
       new Animation(std::move(curve), animation_id, group_id, target_property));
 }
 
 Animation::Animation(scoped_ptr<AnimationCurve> curve,
                      int animation_id,
                      int group_id,
-                     TargetProperty target_property)
+                     AnimationTargetProperty target_property)
     : curve_(std::move(curve)),
       id_(animation_id),
       group_(group_id),
       target_property_(target_property),
       run_state_(WAITING_FOR_TARGET_AVAILABILITY),
       iterations_(1),
       iteration_start_(0),
       direction_(DIRECTION_NORMAL),
       playback_rate_(1),
       fill_mode_(FILL_MODE_BOTH),
       needs_synchronized_start_time_(false),
       received_finished_event_(false),
       suspended_(false),
       is_controlling_instance_(false),
       is_impl_only_(false),
       affects_active_observers_(true),
       affects_pending_observers_(true) {}
 
 Animation::~Animation() {
   if (run_state_ == RUNNING || run_state_ == PAUSED)
     SetRunState(ABORTED, base::TimeTicks());
 }
 
 void Animation::SetRunState(RunState run_state,
                             base::TimeTicks monotonic_time) {
   if (suspended_)
     return;
 
   char name_buffer[256];
-  base::snprintf(name_buffer,
-                 sizeof(name_buffer),
-                 "%s-%d",
-                 s_targetPropertyNames[target_property_],
-                 group_);
+  base::snprintf(name_buffer, sizeof(name_buffer), "%s-%d",
+                 GetAnimationTargetPropertyName(target_property_), group_);
 
   bool is_waiting_to_start =
       run_state_ == WAITING_FOR_TARGET_AVAILABILITY || run_state_ == STARTING;
 
   if (is_controlling_instance_ && is_waiting_to_start && run_state == RUNNING) {
     TRACE_EVENT_ASYNC_BEGIN1(
         "cc", "Animation", this, "Name", TRACE_STR_COPY(name_buffer));
   }
 
   bool was_finished = is_finished();
@@ skipping 174 matching lines @@
   // the main thread.
   if (run_state_ == Animation::PAUSED ||
       other->run_state_ == Animation::PAUSED) {
     other->run_state_ = run_state_;
     other->pause_time_ = pause_time_;
     other->total_paused_time_ = total_paused_time_;
   }
 }
 
 }  // namespace cc