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