Change exo::SurfaceFactoryOwner to exo::ExoCompositorFrameSink

components/exo/exo_compositor_frame_sink.cc

+// 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.
+
+#include "components/exo/exo_compositor_frame_sink.h"
+
+#include "cc/surfaces/surface_manager.h"
+#include "ui/aura/env.h"
+
+namespace exo {
+
+////////////////////////////////////////////////////////////////////////////////
+// ExoComopositorFrameSink, public:
+
+ExoCompositorFrameSink::ExoCompositorFrameSink(
+    const cc::FrameSinkId& frame_sink_id,
+    cc::SurfaceManager* surface_manager)
+    : frame_sink_id_(frame_sink_id),
+      surface_manager_(surface_manager),
+      surface_factory_(frame_sink_id, surface_manager, this) {
+  surface_manager_->RegisterFrameSinkId(frame_sink_id_);
+  surface_manager_->RegisterSurfaceFactoryClient(frame_sink_id_, this);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// cc::SurfaceFactoryClient overrides:
+
+void ExoCompositorFrameSink::ReturnResources(
+    const cc::ReturnedResourceArray& resources) {
+  for (auto& resource : resources) {
+    auto it = release_callbacks_.find(resource.id);
+    DCHECK(it != release_callbacks_.end());
+    it->second.second->Run(resource.sync_token, resource.lost);
+    release_callbacks_.erase(it);
+  }
+}
+
+void ExoCompositorFrameSink::WillDrawSurface(const cc::LocalFrameId& id,
+                                             const gfx::Rect& damage_rect) {}
+
+void ExoCompositorFrameSink::SetBeginFrameSource(
+    cc::BeginFrameSource* begin_frame_source) {
+  if (begin_frame_source_ && added_frame_observer_) {
+    begin_frame_source_->RemoveObserver(this);
+    added_frame_observer_ = false;
+  }
+  begin_frame_source_ = begin_frame_source;
+  UpdateNeedsBeginFrameInternal();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// To be cc::mojom::MojoCompositorFrameSink overrides:
+
+void ExoCompositorFrameSink::SubmitCompositorFrame(cc::CompositorFrame frame) {
+  cc::LocalFrameId old_local_frame_id = local_frame_id_;
+  if (!local_frame_id_.is_valid() /* || needs_commit_to_new_surface_*/) {

[Fady Samuel, 2016/11/15 23:19:46]

Remove commented out code.

[Alex Z., 2016/12/07 21:13:43]

Done.

+    local_frame_id_ = id_allocator_.GenerateId();
+    surface_factory_.Create(local_frame_id_);
+  }
+  // UpdateSurface(true); // surface_factory.SubmitCompositorFrame happens here

[Fady Samuel, 2016/11/15 23:19:46]

Remove commented out code

[Alex Z., 2016/12/07 21:13:43]

Done.

+  surface_factory_.SubmitCompositorFrame(local_frame_id_, std::move(frame),
+                                         cc::SurfaceFactory::DrawCallback());
+  if (old_local_frame_id.is_valid() && old_local_frame_id != local_frame_id_) {
+    surface_factory_.SetPreviousFrameSurface(local_frame_id_,
+                                             old_local_frame_id);
+    surface_factory_.Destroy(old_local_frame_id);
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// cc::BeginFrameObserver overrides:
+
+void ExoCompositorFrameSink::OnBeginFrame(const cc::BeginFrameArgs& args) {
+  UpdateNeedsBeginFrameInternal();
+  last_begin_frame_args_ = args;
+}
+
+const cc::BeginFrameArgs& ExoCompositorFrameSink::LastUsedBeginFrameArgs()
+    const {
+  return last_begin_frame_args_;
+}
+
+void ExoCompositorFrameSink::OnBeginFrameSourcePausedChanged(bool paused) {}
+
+////////////////////////////////////////////////////////////////////////////////
+// ExoComopositorFrameSink, private:
+
+ExoCompositorFrameSink::~ExoCompositorFrameSink() {
+  if (surface_factory_.manager())
+    surface_factory_.manager()->InvalidateFrameSinkId(frame_sink_id_);
+
+  surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id());
+}
+
+void ExoCompositorFrameSink::UpdateNeedsBeginFrameInternal() {
+  if (!begin_frame_source_)
+    return;
+
+  if (needs_begin_frame_ == added_frame_observer_)
+    return;
+
+  added_frame_observer_ = needs_begin_frame_;
+  if (needs_begin_frame_)
+    begin_frame_source_->AddObserver(this);
+  else
+    begin_frame_source_->RemoveObserver(this);
+}
+
+void ExoCompositorFrameSink::DidRecieveCompositorFrameAck() {
+  // TODO(staraz): Clean up resources
+  ack_pending_count_--;
+}
+
+}  // namespace exo