Upstream version 6.35.121.0
[platform/framework/web/crosswalk.git] / 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(RasterTaskQueue* raster_queue) {
44   for (size_t i = 0; i < raster_worker_pools_.size(); ++i)
45     raster_worker_pools_[i]->ScheduleTasks(&raster_queue[i]);
46
47   did_finish_running_tasks_pending_count_ = raster_worker_pools_.size();
48   did_finish_running_tasks_required_for_activation_pending_count_ =
49       raster_worker_pools_.size();
50 }
51
52 void RasterWorkerPoolDelegate::CheckForCompletedTasks() {
53   for (RasterWorkerPoolVector::iterator it = raster_worker_pools_.begin();
54        it != raster_worker_pools_.end();
55        ++it)
56     (*it)->CheckForCompletedTasks();
57 }
58
59 bool RasterWorkerPoolDelegate::ShouldForceTasksRequiredForActivationToComplete()
60     const {
61   return client_->ShouldForceTasksRequiredForActivationToComplete();
62 }
63
64 void RasterWorkerPoolDelegate::DidFinishRunningTasks() {
65   DCHECK_LT(0u, did_finish_running_tasks_pending_count_);
66   if (--did_finish_running_tasks_pending_count_)
67     return;
68   client_->DidFinishRunningTasks();
69 }
70
71 void RasterWorkerPoolDelegate::DidFinishRunningTasksRequiredForActivation() {
72   DCHECK_LT(0u,
73             did_finish_running_tasks_required_for_activation_pending_count_);
74   if (--did_finish_running_tasks_required_for_activation_pending_count_)
75     return;
76   client_->DidFinishRunningTasksRequiredForActivation();
77 }
78
79 }  // namespace cc