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author | ben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-05-08 00:34:05 +0000 |
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committer | ben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-05-08 00:34:05 +0000 |
commit | 2362e4fe2905ab75d3230ebc3e307ae53e2b8362 (patch) | |
tree | e6d88357a2021811e0e354f618247217be8bb3da /views/repeat_controller.h | |
parent | db23ac3e713dc17509b2b15d3ee634968da45715 (diff) | |
download | chromium_src-2362e4fe2905ab75d3230ebc3e307ae53e2b8362.zip chromium_src-2362e4fe2905ab75d3230ebc3e307ae53e2b8362.tar.gz chromium_src-2362e4fe2905ab75d3230ebc3e307ae53e2b8362.tar.bz2 |
Move src/chrome/views to src/views. RS=darin http://crbug.com/11387
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15604 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'views/repeat_controller.h')
-rw-r--r-- | views/repeat_controller.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/views/repeat_controller.h b/views/repeat_controller.h new file mode 100644 index 0000000..9e01dd1 --- /dev/null +++ b/views/repeat_controller.h @@ -0,0 +1,53 @@ +// 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. + +#ifndef VIEWS_REPEAT_CONTROLLER_H_ +#define VIEWS_REPEAT_CONTROLLER_H_ + +#include "base/scoped_ptr.h" +#include "base/timer.h" + +namespace views { + +/////////////////////////////////////////////////////////////////////////////// +// +// RepeatController +// +// An object that handles auto-repeating UI actions. There is a longer initial +// delay after which point repeats become constant. Users provide a callback +// that is notified when each repeat occurs so that they can perform the +// associated action. +// +/////////////////////////////////////////////////////////////////////////////// +class RepeatController { + public: + typedef Callback0::Type RepeatCallback; + + // The RepeatController takes ownership of this callback object. + explicit RepeatController(RepeatCallback* callback); + virtual ~RepeatController(); + + // Start repeating. + void Start(); + + // Stop repeating. + void Stop(); + + private: + RepeatController(); + + // Called when the timer expires. + void Run(); + + // The current timer. + base::OneShotTimer<RepeatController> timer_; + + scoped_ptr<RepeatCallback> callback_; + + DISALLOW_COPY_AND_ASSIGN(RepeatController); +}; + +} // namespace views + +#endif // #ifndef VIEWS_REPEAT_CONTROLLER_H_ |