| // Copyright 2016 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 ASH_LASER_LASER_POINTER_VIEW_H_ |
| #define ASH_LASER_LASER_POINTER_VIEW_H_ |
| |
| #include <deque> |
| #include <memory> |
| #include <unordered_map> |
| |
| #include "ash/laser/laser_pointer_points.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/time/time.h" |
| #include "cc/ipc/compositor_frame.mojom.h" |
| #include "cc/ipc/mojo_compositor_frame_sink.mojom.h" |
| #include "cc/resources/texture_mailbox.h" |
| #include "cc/surfaces/compositor_frame_sink_support.h" |
| #include "cc/surfaces/compositor_frame_sink_support_client.h" |
| #include "cc/surfaces/local_surface_id_allocator.h" |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| #include "ui/views/view.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace gfx { |
| class GpuMemoryBuffer; |
| class PointF; |
| } |
| |
| namespace views { |
| class Widget; |
| } |
| |
| namespace ash { |
| struct LaserResource; |
| |
| // LaserPointerView displays the palette tool laser pointer. It draws the laser, |
| // which consists of a point where the mouse cursor should be, as well as a |
| // trail of lines to help users track. |
| class LaserPointerView : public views::View, |
| public cc::mojom::MojoCompositorFrameSink, |
| public cc::CompositorFrameSinkSupportClient { |
| public: |
| LaserPointerView(base::TimeDelta life_duration, |
| base::TimeDelta presentation_delay, |
| aura::Window* root_window); |
| ~LaserPointerView() override; |
| |
| void AddNewPoint(const gfx::PointF& new_point, |
| const base::TimeTicks& new_time); |
| void UpdateTime(); |
| void Stop(); |
| |
| // Overridden from cc::mojom::MojoCompositorFrameSink: |
| void SetNeedsBeginFrame(bool needs_begin_frame) override; |
| void SubmitCompositorFrame(const cc::LocalSurfaceId& local_surface_id, |
| cc::CompositorFrame frame) override; |
| void BeginFrameDidNotSwap(const cc::BeginFrameAck& begin_frame_ack) override; |
| void EvictFrame() override; |
| |
| // Overridden from cc::CompositorFrameSinkSupportClient: |
| void DidReceiveCompositorFrameAck() override; |
| void OnBeginFrame(const cc::BeginFrameArgs& args) override {} |
| void ReclaimResources(const cc::ReturnedResourceArray& resources) override; |
| void WillDrawSurface(const cc::LocalSurfaceId& local_surface_id, |
| const gfx::Rect& damage_rect) override {} |
| |
| private: |
| friend class LaserPointerControllerTestApi; |
| |
| gfx::Rect GetBoundingBox(); |
| void OnPointsUpdated(); |
| void UpdateBuffer(); |
| void OnBufferUpdated(); |
| void UpdateSurface(); |
| void OnDidDrawSurface(); |
| |
| LaserPointerPoints laser_points_; |
| LaserPointerPoints predicted_laser_points_; |
| std::unique_ptr<views::Widget> widget_; |
| float scale_factor_ = 1.0f; |
| const base::TimeDelta presentation_delay_; |
| std::unique_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer_; |
| gfx::Rect buffer_damage_rect_; |
| bool pending_update_buffer_ = false; |
| gfx::Rect surface_damage_rect_; |
| bool needs_update_surface_ = false; |
| bool pending_draw_surface_ = false; |
| const cc::FrameSinkId frame_sink_id_; |
| cc::CompositorFrameSinkSupport frame_sink_support_; |
| cc::LocalSurfaceId local_surface_id_; |
| cc::LocalSurfaceIdAllocator id_allocator_; |
| int next_resource_id_ = 1; |
| std::unordered_map<int, std::unique_ptr<LaserResource>> resources_; |
| std::deque<std::unique_ptr<LaserResource>> returned_resources_; |
| base::WeakPtrFactory<LaserPointerView> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LaserPointerView); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_LASER_LASER_POINTER_VIEW_H_ |