src/cc/resources/raster_worker_pool_delegate.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/resources/raster_worker_pool_delegate.h"
   6
   7 namespace cc {
   8
   9 RasterWorkerPoolDelegate::RasterWorkerPoolDelegate(
  10     RasterWorkerPoolClient* client,
  11     RasterWorkerPool** raster_worker_pools,
  12     size_t num_raster_worker_pools)
  13     : client_(client),
  14       raster_worker_pools_(raster_worker_pools,
  15                            raster_worker_pools + num_raster_worker_pools),
  16       did_finish_running_tasks_pending_count_(0u),
  17       did_finish_running_tasks_required_for_activation_pending_count_(0u) {
  18   DCHECK(client_);
  19   for (RasterWorkerPoolVector::iterator it = raster_worker_pools_.begin();
  20        it != raster_worker_pools_.end();
  21        ++it)
  22     (*it)->SetClient(this);
  23 }
  24
  25 RasterWorkerPoolDelegate::~RasterWorkerPoolDelegate() {}
  26
  27 // static
  28 scoped_ptr<RasterWorkerPoolDelegate> RasterWorkerPoolDelegate::Create(
  29     RasterWorkerPoolClient* client,
  30     RasterWorkerPool** raster_worker_pools,
  31     size_t num_raster_worker_pools) {
  32   return make_scoped_ptr(new RasterWorkerPoolDelegate(
  33       client, raster_worker_pools, num_raster_worker_pools));
  34 }
  35
  36 void RasterWorkerPoolDelegate::Shutdown() {
  37   for (RasterWorkerPoolVector::iterator it = raster_worker_pools_.begin();
  38        it != raster_worker_pools_.end();
  39        ++it)
  40     (*it)->Shutdown();
  41 }
  42
  43 void RasterWorkerPoolDelegate::ScheduleTasks(
  44     RasterWorkerPool::RasterTask::Queue* raster_queue) {
  45   for (size_t i = 0; i < raster_worker_pools_.size(); ++i)
  46     raster_worker_pools_[i]->ScheduleTasks(&raster_queue[i]);
  47
  48   did_finish_running_tasks_pending_count_ = raster_worker_pools_.size();
  49   did_finish_running_tasks_required_for_activation_pending_count_ =
  50       raster_worker_pools_.size();
  51 }
  52
  53 void RasterWorkerPoolDelegate::CheckForCompletedTasks() {
  54   for (RasterWorkerPoolVector::iterator it = raster_worker_pools_.begin();
  55        it != raster_worker_pools_.end();
  56        ++it)
  57     (*it)->CheckForCompletedTasks();
  58 }
  59
  60 bool RasterWorkerPoolDelegate::ShouldForceTasksRequiredForActivationToComplete()
  61     const {
  62   DCHECK(client_);
  63   return client_->ShouldForceTasksRequiredForActivationToComplete();
  64 }
  65
  66 void RasterWorkerPoolDelegate::DidFinishRunningTasks() {
  67   DCHECK_LT(0u, did_finish_running_tasks_pending_count_);
  68   if (--did_finish_running_tasks_pending_count_)
  69     return;
  70   client_->DidFinishRunningTasks();
  71 }
  72
  73 void RasterWorkerPoolDelegate::DidFinishRunningTasksRequiredForActivation() {
  74   DCHECK_LT(0u,
  75             did_finish_running_tasks_required_for_activation_pending_count_);
  76   if (--did_finish_running_tasks_required_for_activation_pending_count_)
  77     return;
  78   client_->DidFinishRunningTasksRequiredForActivation();
  79 }
  80
  81 }  // namespace cc