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// 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
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