cc/surfaces/surface_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/surfaces/surface_factory.h"
   6
   7 #include "cc/output/compositor_frame.h"
   8 #include "cc/output/copy_output_request.h"
   9 #include "cc/surfaces/surface.h"
  10 #include "cc/surfaces/surface_manager.h"
  11 #include "ui/gfx/geometry/size.h"
  12
  13 namespace cc {
  14 SurfaceFactory::SurfaceFactory(SurfaceManager* manager,
  15                                SurfaceFactoryClient* client)
  16     : manager_(manager), client_(client), holder_(client) {
  17 }
  18
  19 SurfaceFactory::~SurfaceFactory() {
  20   if (!surface_map_.empty()) {
  21     LOG(ERROR) << "SurfaceFactory has " << surface_map_.size()
  22                << " entries in map on destruction.";
  23   }
  24   DestroyAll();
  25 }
  26
  27 void SurfaceFactory::DestroyAll() {
  28   for (auto it = surface_map_.begin(); it != surface_map_.end(); ++it)
  29     manager_->Destroy(surface_map_.take(it));
  30   surface_map_.clear();
  31 }
  32
  33 void SurfaceFactory::Create(SurfaceId surface_id) {
  34   scoped_ptr<Surface> surface(new Surface(surface_id, this));
  35   manager_->RegisterSurface(surface.get());
  36   DCHECK(!surface_map_.count(surface_id));
  37   surface_map_.add(surface_id, surface.Pass());
  38 }
  39
  40 void SurfaceFactory::Destroy(SurfaceId surface_id) {
  41   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  42   DCHECK(it != surface_map_.end());
  43   DCHECK(it->second->factory().get() == this);
  44   manager_->Destroy(surface_map_.take_and_erase(it));
  45 }
  46
  47 void SurfaceFactory::SubmitFrame(SurfaceId surface_id,
  48                                  scoped_ptr<CompositorFrame> frame,
  49                                  const base::Closure& callback) {
  50   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  51   DCHECK(it != surface_map_.end());
  52   DCHECK(it->second->factory().get() == this);
  53   it->second->QueueFrame(frame.Pass(), callback);
  54   manager_->SurfaceModified(surface_id);
  55 }
  56
  57 void SurfaceFactory::RequestCopyOfSurface(
  58     SurfaceId surface_id,
  59     scoped_ptr<CopyOutputRequest> copy_request) {
  60   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  61   if (it == surface_map_.end()) {
  62     copy_request->SendEmptyResult();
  63     return;
  64   }
  65   DCHECK(it->second->factory().get() == this);
  66   it->second->RequestCopyOfOutput(copy_request.Pass());
  67   manager_->SurfaceModified(surface_id);
  68 }
  69
  70 void SurfaceFactory::ReceiveFromChild(
  71     const TransferableResourceArray& resources) {
  72   holder_.ReceiveFromChild(resources);
  73 }
  74
  75 void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
  76   holder_.RefResources(resources);
  77 }
  78
  79 void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
  80   holder_.UnrefResources(resources);
  81 }
  82
  83 }  // namespace cc