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62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
// Copyright 2015 The Chromium 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 SKY_SHELL_UI_ANIMATOR_H_
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#define SKY_SHELL_UI_ANIMATOR_H_
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#include "base/memory/weak_ptr.h"
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#include "mojo/services/gfx/composition/interfaces/scheduling.mojom.h"
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#include "mojo/services/vsync/interfaces/vsync.mojom.h"
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#include "sky/shell/ui/engine.h"
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namespace sky {
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namespace shell {
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class Animator {
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public:
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explicit Animator(const Engine::Config& config,
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rasterizer::RasterizerPtr rasterizer, Engine* engine);
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~Animator();
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void RequestFrame();
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void FlushRealTimeEvents();
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void Start();
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void Stop();
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void Reset();
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void set_vsync_provider(vsync::VSyncProviderPtr vsync_provider);
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void set_scene_scheduler(
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mojo::InterfaceHandle<mojo::gfx::composition::SceneScheduler> scene_scheduler) {
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scene_scheduler_ = mojo::gfx::composition::SceneSchedulerPtr::Create(scene_scheduler.Pass());
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}
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private:
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void Animate(mojo::gfx::composition::FrameInfoPtr frame_info);
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void BeginFrame(int64_t time_stamp);
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void OnFrameComplete();
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bool AwaitVSync();
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Engine::Config config_;
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rasterizer::RasterizerPtr rasterizer_;
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Engine* engine_;
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mojo::gfx::composition::SceneSchedulerPtr scene_scheduler_;
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vsync::VSyncProviderPtr vsync_provider_;
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int outstanding_requests_;
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bool did_defer_frame_request_;
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bool engine_requested_frame_;
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bool paused_;
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base::WeakPtrFactory<Animator> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(Animator);
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};
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} // namespace shell
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} // namespace sky
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#endif // SKY_SHELL_UI_ANIMATOR_H_
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