blimp/client/compositor/test/dummy_layer_driver.h

   1 // Copyright 2015 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 #ifndef BLIMP_CLIENT_COMPOSITOR_TEST_DUMMY_LAYER_DRIVER_H_
   6 #define BLIMP_CLIENT_COMPOSITOR_TEST_DUMMY_LAYER_DRIVER_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/weak_ptr.h"
  11
  12 namespace cc {
  13 class Layer;
  14 }
  15
  16 namespace blimp {
  17
  18 // A test class that drives changes to a layer every 16ms.  This can be used to
  19 // make sure the compositor is rendering layers properly.  In this case, colors
  20 // are constantly changed over time.
  21 class DummyLayerDriver {
  22  public:
  23   DummyLayerDriver();
  24   virtual ~DummyLayerDriver();
  25
  26   // Adds a cc::SolidColorLayer to |layer| and animates it's color until the
  27   // layer is detached from it's cc::LayerTreeHost.
  28   void SetParentLayer(scoped_refptr<cc::Layer> layer);
  29
  30  private:
  31   void StepAnimation();
  32
  33   scoped_refptr<cc::Layer> layer_;
  34   bool animation_running_;
  35
  36   base::WeakPtrFactory<DummyLayerDriver> weak_factory_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(DummyLayerDriver);
  39 };
  40
  41 }  // namespace blimp
  42
  43 #endif  // BLIMP_CLIENT_COMPOSITOR_TEST_DUMMY_LAYER_DRIVER_H_