Revert "Delete CC."

cc/surfaces/surface_manager.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_manager.h"
+
+#include "base/logging.h"
+#include "cc/surfaces/surface.h"
+#include "cc/surfaces/surface_id_allocator.h"
+
+namespace cc {
+
+SurfaceManager::SurfaceManager() {
+  thread_checker_.DetachFromThread();
+}
+
+SurfaceManager::~SurfaceManager() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  for (SurfaceDestroyList::iterator it = surfaces_to_destroy_.begin();
+       it != surfaces_to_destroy_.end();
+       ++it) {
+    DeregisterSurface((*it)->surface_id());
+    delete *it;
+  }
+}
+
+void SurfaceManager::RegisterSurface(Surface* surface) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  DCHECK(surface);
+  DCHECK(!surface_map_.count(surface->surface_id()));
+  surface_map_[surface->surface_id()] = surface;
+}
+
+void SurfaceManager::DeregisterSurface(SurfaceId surface_id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  SurfaceMap::iterator it = surface_map_.find(surface_id);
+  DCHECK(it != surface_map_.end());
+  surface_map_.erase(it);
+}
+
+void SurfaceManager::Destroy(scoped_ptr<Surface> surface) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  surfaces_to_destroy_.push_back(surface.release());
+  SearchForSatisfaction();
+}
+
+void SurfaceManager::DidSatisfySequences(uint32_t id_namespace,
+                                         std::vector<uint32_t>* sequence) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  for (std::vector<uint32_t>::iterator it = sequence->begin();
+       it != sequence->end();
+       ++it) {
+    satisfied_sequences_.insert(SurfaceSequence(id_namespace, *it));
+  }
+  sequence->clear();
+  SearchForSatisfaction();
+}
+
+void SurfaceManager::SearchForSatisfaction() {
+  for (SurfaceDestroyList::iterator dest_it = surfaces_to_destroy_.begin();
+       dest_it != surfaces_to_destroy_.end();) {
+    (*dest_it)->SatisfyDestructionDependencies(&satisfied_sequences_);
+    if (!(*dest_it)->GetDestructionDependencyCount()) {
+      scoped_ptr<Surface> surf(*dest_it);
+      DeregisterSurface(surf->surface_id());
+      dest_it = surfaces_to_destroy_.erase(dest_it);
+    } else {
+      ++dest_it;
+    }
+  }
+}
+
+Surface* SurfaceManager::GetSurfaceForId(SurfaceId surface_id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  SurfaceMap::iterator it = surface_map_.find(surface_id);
+  if (it == surface_map_.end())
+    return NULL;
+  return it->second;
+}
+
+bool SurfaceManager::SurfaceModified(SurfaceId surface_id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  bool changed = false;
+  FOR_EACH_OBSERVER(SurfaceDamageObserver, observer_list_,
+                    OnSurfaceDamaged(surface_id, &changed));
+  return changed;
+}
+
+}  // namespace cc