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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_TEST_MOCK_OCCLUSION_TRACKER_H_
#define CC_TEST_MOCK_OCCLUSION_TRACKER_H_
#include "cc/trees/occlusion_tracker.h"
namespace cc {
template <typename LayerType>
class MockOcclusionTracker : public OcclusionTracker<LayerType> {
// This class is used for testing only. It fakes just enough information to
// calculate unoccluded content rect and unoccluded contributing surface
// content rect. It calls the helper function of occlusion tracker to avoid
// DCHECKs since testing environment won't be set up properly to pass those.
public:
MockOcclusionTracker()
: OcclusionTracker<LayerType>(gfx::Rect(0, 0, 1000, 1000)) {
typename OcclusionTracker<LayerType>::StackObject stack_obj;
OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
}
explicit MockOcclusionTracker(const gfx::Rect& screen_scissor_rect)
: OcclusionTracker<LayerType>(screen_scissor_rect) {
typename OcclusionTracker<LayerType>::StackObject stack_obj;
OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
}
void set_occluded_target_rect(const gfx::Rect& occluded) {
OcclusionTracker<LayerType>::stack_.back().occlusion_from_inside_target =
occluded;
}
void set_occluded_target_rect_for_contributing_surface(
const gfx::Rect& occluded) {
OcclusionTracker<
LayerType>::stack_[OcclusionTracker<LayerType>::stack_.size() - 2]
.occlusion_from_inside_target = occluded;
}
private:
DISALLOW_COPY_AND_ASSIGN(MockOcclusionTracker);
};
} // namespace cc
#endif // CC_TEST_MOCK_OCCLUSION_TRACKER_H_
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