Remove SurfaceFactory And SurfaceFactoryClient

cc/surfaces/surface_factory.cc

-// Copyright 2014 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 "cc/surfaces/surface_factory.h"
-
-#include <utility>
-
-#include "base/memory/ptr_util.h"
-#include "base/trace_event/trace_event.h"
-#include "cc/output/compositor_frame.h"
-#include "cc/output/copy_output_request.h"
-#include "cc/surfaces/surface.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/surfaces/surface_info.h"
-#include "cc/surfaces/surface_manager.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace cc {
-SurfaceFactory::SurfaceFactory(
-    const FrameSinkId& frame_sink_id,
-    SurfaceManager* manager,
-    SurfaceFactoryClient* client,
-    SurfaceResourceHolderClient* resource_holder_client)
-    : frame_sink_id_(frame_sink_id),
-      manager_(manager),
-      client_(client),
-      holder_(resource_holder_client),
-      needs_sync_points_(true),
-      weak_factory_(this) {}
-
-SurfaceFactory::~SurfaceFactory() {
-  // This is to prevent troubles when a factory that resides in a client is
-  // being destroyed. In such cases, the factory might attempt to return
-  // resources to the client while it's in the middle of destruction and this
-  // could cause a crash or some unexpected behaviour.
-  DCHECK(!current_surface_) << "Please call EvictSurface before destruction";
-}
-
-void SurfaceFactory::EvictSurface() {
-  if (!current_surface_)
-    return;
-  Destroy(std::move(current_surface_));
-}
-
-void SurfaceFactory::SubmitCompositorFrame(
-    const LocalSurfaceId& local_surface_id,
-    CompositorFrame frame,
-    const DrawCallback& callback,
-    const WillDrawCallback& will_draw_callback) {
-  TRACE_EVENT0("cc", "SurfaceFactory::SubmitCompositorFrame");
-  DCHECK(local_surface_id.is_valid());
-
-  if (!ui::LatencyInfo::Verify(frame.metadata.latency_info,
-                               "RenderWidgetHostImpl::OnSwapCompositorFrame")) {
-    std::vector<ui::LatencyInfo>().swap(frame.metadata.latency_info);
-  }
-
-  for (ui::LatencyInfo& latency : frame.metadata.latency_info) {
-    if (latency.latency_components().size() > 0) {
-      latency.AddLatencyNumber(ui::DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT,
-                               0, 0);
-    }
-  }
-
-  std::unique_ptr<Surface> surface;
-  bool create_new_surface =
-      (!current_surface_ ||
-       local_surface_id != current_surface_->surface_id().local_surface_id());
-  if (!create_new_surface) {
-    surface = std::move(current_surface_);
-  } else {
-    surface = Create(local_surface_id);
-  }
-  surface->QueueFrame(std::move(frame), callback, will_draw_callback);
-
-  if (current_surface_ && create_new_surface) {
-    surface->SetPreviousFrameSurface(current_surface_.get());
-    Destroy(std::move(current_surface_));
-  }
-  current_surface_ = std::move(surface);
-}
-
-void SurfaceFactory::RequestCopyOfSurface(
-    std::unique_ptr<CopyOutputRequest> copy_request) {
-  if (!current_surface_) {
-    copy_request->SendEmptyResult();
-    return;
-  }
-  DCHECK(current_surface_->factory().get() == this);
-  current_surface_->RequestCopyOfOutput(std::move(copy_request));
-  manager_->SurfaceModified(current_surface_->surface_id());
-}
-
-void SurfaceFactory::ReceiveFromChild(
-    const TransferableResourceArray& resources) {
-  holder_.ReceiveFromChild(resources);
-}
-
-void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
-  holder_.RefResources(resources);
-}
-
-void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
-  holder_.UnrefResources(resources);
-}
-
-void SurfaceFactory::OnSurfaceActivated(Surface* surface) {
-  DCHECK(surface->HasActiveFrame());
-  if (!seen_first_frame_activation_) {
-    seen_first_frame_activation_ = true;
-
-    const CompositorFrame& frame = surface->GetActiveFrame();
-    // CompositorFrames might not be populated with a RenderPass in unit tests.
-    gfx::Size frame_size;
-    if (!frame.render_pass_list.empty())
-      frame_size = frame.render_pass_list.back()->output_rect.size();
-
-    // SurfaceCreated only applies for the first Surface activation. Thus,
-    // SurfaceFactory stops observing new activations after the first one.
-    manager_->SurfaceCreated(SurfaceInfo(
-        surface->surface_id(), frame.metadata.device_scale_factor, frame_size));
-  }
-  // Fire SurfaceCreated first so that a temporary reference is added before it
-  // is potentially transformed into a real reference by the client.
-  client_->ReferencedSurfacesChanged(surface->surface_id().local_surface_id(),
-                                     surface->active_referenced_surfaces());
-  if (!manager_->SurfaceModified(surface->surface_id())) {
-    TRACE_EVENT_INSTANT0("cc", "Damage not visible.", TRACE_EVENT_SCOPE_THREAD);
-    surface->RunDrawCallback();
-  }
-}
-
-void SurfaceFactory::OnSurfaceDependenciesChanged(
-    Surface* surface,
-    const base::flat_set<SurfaceId>& added_dependencies,
-    const base::flat_set<SurfaceId>& removed_dependencies) {}
-
-void SurfaceFactory::OnSurfaceDiscarded(Surface* surface) {}
-
-std::unique_ptr<Surface> SurfaceFactory::Create(
-    const LocalSurfaceId& local_surface_id) {
-  seen_first_frame_activation_ = false;
-  std::unique_ptr<Surface> surface =
-      manager_->CreateSurface(weak_factory_.GetWeakPtr(), local_surface_id);
-  surface->AddObserver(this);
-  return surface;
-}
-
-void SurfaceFactory::Destroy(std::unique_ptr<Surface> surface) {
-  surface->RemoveObserver(this);
-  manager_->DestroySurface(std::move(surface));
-}
-
-}  // namespace cc