cc/test/fake_tile_manager.cc

   1 // Copyright 2012 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/test/fake_tile_manager.h"
   6
   7 #include <deque>
   8 #include <limits>
   9
  10 #include "base/lazy_instance.h"
  11 #include "base/thread_task_runner_handle.h"
  12 #include "cc/resources/raster_buffer.h"
  13 #include "cc/resources/tile_task_runner.h"
  14
  15 namespace cc {
  16
  17 namespace {
  18
  19 class FakeTileTaskRunnerImpl : public TileTaskRunner, public TileTaskClient {
  20  public:
  21   // Overridden from TileTaskRunner:
  22   void SetClient(TileTaskRunnerClient* client) override {}
  23   void Shutdown() override {}
  24   void ScheduleTasks(TileTaskQueue* queue) override {
  25     for (TileTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
  26          it != queue->items.end(); ++it) {
  27       RasterTask* task = it->task;
  28
  29       task->WillSchedule();
  30       task->ScheduleOnOriginThread(this);
  31       task->DidSchedule();
  32
  33       completed_tasks_.push_back(task);
  34     }
  35   }
  36   void CheckForCompletedTasks() override {
  37     for (RasterTask::Vector::iterator it = completed_tasks_.begin();
  38          it != completed_tasks_.end();
  39          ++it) {
  40       RasterTask* task = it->get();
  41
  42       task->WillComplete();
  43       task->CompleteOnOriginThread(this);
  44       task->DidComplete();
  45
  46       task->RunReplyOnOriginThread();
  47     }
  48     completed_tasks_.clear();
  49   }
  50   ResourceFormat GetResourceFormat() override { return RGBA_8888; }
  51
  52   // Overridden from TileTaskClient:
  53   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
  54       const Resource* resource) override {
  55     return nullptr;
  56   }
  57   void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override {}
  58
  59  private:
  60   RasterTask::Vector completed_tasks_;
  61 };
  62 base::LazyInstance<FakeTileTaskRunnerImpl> g_fake_tile_task_runner =
  63     LAZY_INSTANCE_INITIALIZER;
  64
  65 }  // namespace
  66
  67 FakeTileManager::FakeTileManager(TileManagerClient* client)
  68     : TileManager(client,
  69                   base::ThreadTaskRunnerHandle::Get(),
  70                   nullptr,
  71                   g_fake_tile_task_runner.Pointer(),
  72                   std::numeric_limits<size_t>::max()) {
  73 }
  74
  75 FakeTileManager::FakeTileManager(TileManagerClient* client,
  76                                  ResourcePool* resource_pool)
  77     : TileManager(client,
  78                   base::ThreadTaskRunnerHandle::Get(),
  79                   resource_pool,
  80                   g_fake_tile_task_runner.Pointer(),
  81                   std::numeric_limits<size_t>::max()) {
  82 }
  83
  84 FakeTileManager::~FakeTileManager() {}
  85
  86 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {
  87   return std::find(tiles_for_raster.begin(),
  88                    tiles_for_raster.end(),
  89                    tile) != tiles_for_raster.end();
  90 }
  91
  92 void FakeTileManager::Release(Tile* tile) {
  93   TileManager::Release(tile);
  94
  95   FreeResourcesForReleasedTiles();
  96   CleanUpReleasedTiles();
  97 }
  98
  99 }  // namespace cc