From 220705c2b06962462e471b28ad85c76c0f9c3080 Mon Sep 17 00:00:00 2001
From: "ben@chromium.org"
 <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Tue, 5 May 2009 04:52:11 +0000
Subject: Move *Animation to app/

http://crbug.com/11387

Review URL: http://codereview.chromium.org/109001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15275 0039d316-1c4b-4281-b951-d872f2087c98
---
 app/throb_animation.cc | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 app/throb_animation.cc

(limited to 'app/throb_animation.cc')

diff --git a/app/throb_animation.cc b/app/throb_animation.cc
new file mode 100644
index 0000000..28b5763
--- /dev/null
+++ b/app/throb_animation.cc
@@ -0,0 +1,68 @@
+// Copyright (c) 2006-2008 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 "app/throb_animation.h"
+
+static const int kDefaultThrobDurationMS = 400;
+
+ThrobAnimation::ThrobAnimation(AnimationDelegate* target)
+    : SlideAnimation(target),
+      slide_duration_(GetSlideDuration()),
+      throb_duration_(kDefaultThrobDurationMS),
+      cycles_remaining_(0),
+      throbbing_(false) {
+}
+
+void ThrobAnimation::StartThrobbing(int cycles_til_stop) {
+  cycles_remaining_ = cycles_til_stop;
+  throbbing_ = true;
+  SlideAnimation::SetSlideDuration(throb_duration_);
+  if (IsAnimating())
+    return;  // We're already running, we'll cycle when current loop finishes.
+
+  if (IsShowing())
+    SlideAnimation::Hide();
+  else
+    SlideAnimation::Show();
+  cycles_remaining_ = cycles_til_stop;
+}
+
+void ThrobAnimation::Reset() {
+  ResetForSlide();
+  SlideAnimation::Reset();
+}
+
+void ThrobAnimation::Show() {
+  ResetForSlide();
+  SlideAnimation::Show();
+}
+
+void ThrobAnimation::Hide() {
+  ResetForSlide();
+  SlideAnimation::Hide();
+}
+
+void ThrobAnimation::Step() {
+  Animation::Step();
+  if (!IsAnimating() && throbbing_) {
+    // Were throbbing a finished a cycle. Start the next cycle unless we're at
+    // the end of the cycles, in which case we stop.
+    cycles_remaining_--;
+    if (IsShowing()) {
+      // We want to stop hidden, hence this doesn't check cycles_remaining_.
+      SlideAnimation::Hide();
+    } else if (cycles_remaining_ > 0) {
+      SlideAnimation::Show();
+    } else {
+      // We're done throbbing.
+      throbbing_ = false;
+    }
+  }
+}
+
+void ThrobAnimation::ResetForSlide() {
+  SlideAnimation::SetSlideDuration(slide_duration_);
+  cycles_remaining_ = 0;
+  throbbing_ = false;
+}
-- 
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