Change exo::SurfaceFactoryOwner to exo::ExoCompositorFrameSink

components/exo/surface.cc

Index: components/exo/surface.cc
diff --git a/components/exo/surface.cc b/components/exo/surface.cc
index 187e1e79a4bff8b63565270db63af7b495286fa0..9f0f98b4eb9e2986918169cf5f8fa41d2a484b71 100644
--- a/components/exo/surface.cc
+++ b/components/exo/surface.cc
@@ -24,6 +24,7 @@
 #include "components/exo/buffer.h"
 #include "components/exo/surface_delegate.h"
 #include "components/exo/surface_observer.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"

[Fady Samuel, 2016/11/23 14:39:03]

I suspect you don't need this.

[Alex Z., 2016/11/23 15:28:18]

Done.

 #include "third_party/khronos/GLES2/gl2.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window_delegate.h"
@@ -162,52 +163,23 @@ void RequireCallback(cc::SurfaceManager* manager,
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
-// SurfaceFactoryOwner, public:
-
-SurfaceFactoryOwner::SurfaceFactoryOwner() {}
-
-////////////////////////////////////////////////////////////////////////////////
-// cc::SurfaceFactoryClient overrides:
-
-void SurfaceFactoryOwner::ReturnResources(
-    const cc::ReturnedResourceArray& resources) {
-  scoped_refptr<SurfaceFactoryOwner> holder(this);
-  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 SurfaceFactoryOwner::WillDrawSurface(const cc::LocalFrameId& id,
-                                          const gfx::Rect& damage_rect) {
-  if (surface_)
-    surface_->WillDraw();
-}
-
-void SurfaceFactoryOwner::SetBeginFrameSource(
-    cc::BeginFrameSource* begin_frame_source) {
-  if (surface_)
-    surface_->SetBeginFrameSource(begin_frame_source);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// SurfaceFactoryOwner, private:
-
-SurfaceFactoryOwner::~SurfaceFactoryOwner() {
-  if (surface_factory_->manager())
-    surface_factory_->manager()->InvalidateFrameSinkId(frame_sink_id_);
-}
-
-////////////////////////////////////////////////////////////////////////////////
 // Surface, public:
 
+// Note: Crashes due to null references
 Surface::Surface()
     : window_(new aura::Window(new CustomWindowDelegate(this))),
+      frame_sink_id_(
+          aura::Env::GetInstance()->context_factory()->AllocateFrameSinkId()),
       surface_manager_(
-          aura::Env::GetInstance()->context_factory()->GetSurfaceManager()),
-      factory_owner_(new SurfaceFactoryOwner) {
+          aura::Env::GetInstance()->context_factory()->GetSurfaceManager()) {
+  cc::mojom::MojoCompositorFrameSinkClientPtr pholder;
+  cc::mojom::MojoCompositorFrameSinkClientRequest request =
+      mojo::GetProxy(&pholder);
+  std::unique_ptr<ExoCompositorFrameSink> compositor_frame_sink(
+      new ExoCompositorFrameSink(frame_sink_id_, surface_manager_,
+                                 std::move(pholder)));
+  compositor_frame_sink_holder_ = new CompositorFrameSinkHolder(
+      std::move(compositor_frame_sink), this, std::move(request));
   window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
   window_->SetName("ExoSurface");
   window_->SetProperty(kSurfaceKey, this);
@@ -215,15 +187,6 @@ Surface::Surface()
   window_->SetEventTargeter(base::WrapUnique(new CustomWindowTargeter));
   window_->set_owned_by_parent(false);
   window_->AddObserver(this);
-  factory_owner_->surface_ = this;
-  factory_owner_->frame_sink_id_ =
-      aura::Env::GetInstance()->context_factory()->AllocateFrameSinkId();
-  factory_owner_->id_allocator_.reset(new cc::SurfaceIdAllocator());
-  surface_manager_->RegisterFrameSinkId(factory_owner_->frame_sink_id_);
-  surface_manager_->RegisterSurfaceFactoryClient(factory_owner_->frame_sink_id_,
-                                                 factory_owner_.get());
-  factory_owner_->surface_factory_.reset(new cc::SurfaceFactory(
-      factory_owner_->frame_sink_id_, surface_manager_, factory_owner_.get()));
   aura::Env::GetInstance()->context_factory()->AddObserver(this);
 }
 
@@ -235,8 +198,6 @@ Surface::~Surface() {
   window_->RemoveObserver(this);
   window_->layer()->SetShowSolidColorContent();
 
-  factory_owner_->surface_ = nullptr;
-
   // Call pending frame callbacks with a null frame time to indicate that they
   // have been cancelled.
   frame_callbacks_.splice(frame_callbacks_.end(), pending_frame_callbacks_);
@@ -247,12 +208,6 @@ Surface::~Surface() {
 
   if (begin_frame_source_ && needs_begin_frame_)
     begin_frame_source_->RemoveObserver(this);
-
-  if (local_frame_id_.is_valid())
-    factory_owner_->surface_factory_->Destroy(local_frame_id_);
-
-  surface_manager_->UnregisterSurfaceFactoryClient(
-      factory_owner_->frame_sink_id_);
 }
 
 // static
@@ -261,7 +216,7 @@ Surface* Surface::AsSurface(const aura::Window* window) {
 }
 
 cc::SurfaceId Surface::GetSurfaceId() const {
-  return cc::SurfaceId(factory_owner_->frame_sink_id_, local_frame_id_);
+  return cc::SurfaceId(frame_sink_id_, local_frame_id_);
 }
 
 void Surface::Attach(Buffer* buffer) {
@@ -478,18 +433,11 @@ void Surface::CommitSurfaceHierarchy() {
   cc::LocalFrameId old_local_frame_id = local_frame_id_;
   if (needs_commit_to_new_surface_ || !local_frame_id_.is_valid()) {
     needs_commit_to_new_surface_ = false;
-    local_frame_id_ = factory_owner_->id_allocator_->GenerateId();
-    factory_owner_->surface_factory_->Create(local_frame_id_);
+    local_frame_id_ = id_allocator_.GenerateId();
   }
 
   UpdateSurface(true);
 
-  if (old_local_frame_id.is_valid() && old_local_frame_id != local_frame_id_) {
-    factory_owner_->surface_factory_->SetPreviousFrameSurface(
-        local_frame_id_, old_local_frame_id);
-    factory_owner_->surface_factory_->Destroy(old_local_frame_id);
-  }
-
   if (old_local_frame_id != local_frame_id_) {
     float contents_surface_to_layer_scale = 1.0;
     // The bounds must be updated before switching to the new surface, because
@@ -498,7 +446,7 @@ void Surface::CommitSurfaceHierarchy() {
     window_->layer()->SetBounds(
         gfx::Rect(window_->layer()->bounds().origin(), content_size_));
     window_->layer()->SetShowSurface(
-        cc::SurfaceId(factory_owner_->frame_sink_id_, local_frame_id_),
+        cc::SurfaceId(frame_sink_id_, local_frame_id_),
         base::Bind(&SatisfyCallback, base::Unretained(surface_manager_)),
         base::Bind(&RequireCallback, base::Unretained(surface_manager_)),
         content_size_, contents_surface_to_layer_scale, content_size_);
@@ -511,8 +459,9 @@ void Surface::CommitSurfaceHierarchy() {
   // Reset damage.
   pending_damage_.setEmpty();
 
-  DCHECK(!current_resource_.id ||
-         factory_owner_->release_callbacks_.count(current_resource_.id));
+  DCHECK(
+      !current_resource_.id ||
+      compositor_frame_sink_holder_->HasReleaseCallbacks(current_resource_.id));
 
   // Move pending frame callbacks to the end of frame_callbacks_.
   frame_callbacks_.splice(frame_callbacks_.end(), pending_frame_callbacks_);
@@ -645,14 +594,12 @@ void Surface::OnLostResources() {
 }
 
 void Surface::OnWindowAddedToRootWindow(aura::Window* window) {
-  window->layer()->GetCompositor()->AddFrameSink(
-      factory_owner_->frame_sink_id_);
+  window->layer()->GetCompositor()->AddFrameSink(frame_sink_id_);
 }
 
 void Surface::OnWindowRemovingFromRootWindow(aura::Window* window,
                                              aura::Window* new_root) {
-  window->layer()->GetCompositor()->RemoveFrameSink(
-      factory_owner_->frame_sink_id_);
+  window->layer()->GetCompositor()->RemoveFrameSink(frame_sink_id_);
 }
 
 void Surface::OnBeginFrame(const cc::BeginFrameArgs& args) {
@@ -752,8 +699,8 @@ void Surface::UpdateResource(bool client_usage) {
                                                  texture_mailbox.target());
     resource.is_overlay_candidate = texture_mailbox.is_overlay_candidate();
 
-    factory_owner_->release_callbacks_[resource.id] = std::make_pair(
-        factory_owner_, std::move(texture_mailbox_release_callback));
+    compositor_frame_sink_holder_->AddResourceReleaseCallback(
+        resource.id, std::move(texture_mailbox_release_callback));
     current_resource_ = resource;
   } else {
     current_resource_.id = 0;
@@ -843,8 +790,8 @@ void Surface::UpdateSurface(bool full_damage) {
 
   frame.render_pass_list.push_back(std::move(render_pass));
 
-  factory_owner_->surface_factory_->SubmitCompositorFrame(
-      local_frame_id_, std::move(frame), cc::SurfaceFactory::DrawCallback());
+  compositor_frame_sink_holder_->SubmitCompositorFrame(local_frame_id_,
+                                                       std::move(frame));
 }
 
 void Surface::UpdateNeedsBeginFrame() {