Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 93 insertions, 0 deletions

diff --git a/chrome/common/throb_animation.cc b/chrome/common/throb_animation.cc
new file mode 100644
index 0000000..acfa485
--- /dev/null
+++ b/chrome/common/throb_animation.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "chrome/common/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::Run() {
+  SlideAnimation::Run();
+  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;
+}