118 lines
4.4 KiB
C
118 lines
4.4 KiB
C
// Copyright (c) 2014 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file are only available to applications that link
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// against the libcef_dll_wrapper target.
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//
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#ifndef CEF_INCLUDE_WRAPPER_CEF_CLOSURE_TASK_H_
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#define CEF_INCLUDE_WRAPPER_CEF_CLOSURE_TASK_H_
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#pragma once
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#include "include/base/cef_callback_forward.h"
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#include "include/cef_task.h"
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///
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/// \file
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/// Helpers for asynchronously executing a base::[Once|Repeating]Closure (bound
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/// function or method) on a CEF thread. Creation of a
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/// base::[Once|Repeating]Closure can be facilitated using
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/// base::Bind[Once|Repeating]. See include/base/cef_callback.h for complete
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/// usage instructions.
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///
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/// To use these helpers you should include this header and the header that
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/// defines base::Bind[Once|Repeating].
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///
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/// <pre>
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/// #include "include/base/cef_callback.h"
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/// #include "include/wrapper/cef_closure_task.h"
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/// </pre>
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///
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/// Example of executing a bound function:
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///
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/// <pre>
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/// // Define a function.
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/// void MyFunc(int arg) { /* do something with |arg| on the UI thread */ }
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///
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/// // Post a task that will execute MyFunc on the UI thread and pass an |arg|
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/// // value of 5.
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/// CefPostTask(TID_UI, base::BindOnce(&MyFunc, 5));
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/// </pre>
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///
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/// Example of executing a bound method:
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///
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/// <pre>
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/// // Define a class.
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/// class MyClass : public CefBaseRefCounted {
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/// public:
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/// MyClass() {}
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/// void MyMethod(int arg) { /* do something with |arg| on the UI thread */
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/// }
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/// private:
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/// IMPLEMENT_REFCOUNTING(MyClass);
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/// };
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///
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/// // Create an instance of MyClass.
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/// CefRefPtr<MyClass> instance = new MyClass();
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///
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/// // Post a task that will execute MyClass::MyMethod on the UI thread and
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/// // pass an |arg| value of 5. |instance| will be kept alive until after the
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/// // task completes.
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/// CefPostTask(TID_UI, base::BindOnce(&MyClass::MyMethod, instance, 5));
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/// </pre>
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///
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///
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/// Create a CefTask that wraps a base::[Once|Repeating]Closure. Can be used in
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/// combination with CefTaskRunner.
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///
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CefRefPtr<CefTask> CefCreateClosureTask(base::OnceClosure closure);
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CefRefPtr<CefTask> CefCreateClosureTask(const base::RepeatingClosure& closure);
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///
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/// Post a base::[Once|Repeating]Closure for execution on the specified thread.
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///
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bool CefPostTask(CefThreadId threadId, base::OnceClosure closure);
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bool CefPostTask(CefThreadId threadId, const base::RepeatingClosure& closure);
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///
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/// Post a base::[Once|Repeating]Closure for delayed execution on the specified
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/// thread.
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///
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bool CefPostDelayedTask(CefThreadId threadId,
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base::OnceClosure closure,
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int64 delay_ms);
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bool CefPostDelayedTask(CefThreadId threadId,
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const base::RepeatingClosure& closure,
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int64 delay_ms);
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#endif // CEF_INCLUDE_WRAPPER_CEF_CLOSURE_TASK_H_
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