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45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_FUCHSIA_VSYNC_WAITER_H_
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#define FLUTTER_SHELL_PLATFORM_FUCHSIA_VSYNC_WAITER_H_
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#include <lib/async/cpp/wait.h>
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#include "flutter/fml/macros.h"
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#include "flutter/fml/memory/weak_ptr.h"
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#include "flutter/fml/time/time_point.h"
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#include "flutter/shell/common/vsync_waiter.h"
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namespace flutter_runner {
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class VsyncWaiter final : public flutter::VsyncWaiter {
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public:
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static constexpr zx_signals_t SessionPresentSignal = ZX_EVENT_SIGNALED;
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VsyncWaiter(std::string debug_label,
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zx_handle_t session_present_handle,
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flutter::TaskRunners task_runners);
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~VsyncWaiter() override;
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private:
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const std::string debug_label_;
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async::Wait session_wait_;
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fml::WeakPtrFactory<VsyncWaiter> weak_factory_;
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// |flutter::VsyncWaiter|
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void AwaitVSync() override;
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void FireCallbackWhenSessionAvailable();
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void FireCallbackNow();
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FML_DISALLOW_COPY_AND_ASSIGN(VsyncWaiter);
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};
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} // namespace flutter_runner
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#endif // FLUTTER_SHELL_PLATFORM_FUCHSIA_VSYNC_WAITER_H_
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