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17e3cf8e55
Currently helps primarily on iOS when no BackdropFilter is present by lowering energy usage
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLOW_TESTING_MOCK_LAYER_H_
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#define FLOW_TESTING_MOCK_LAYER_H_
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#include "flutter/flow/layers/layer.h"
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namespace flutter {
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namespace testing {
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// Mock implementation of the |Layer| interface that does nothing but paint
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// the specified |path| into the canvas. It records the |PrerollContext| and
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// |PaintContext| data passed in by its parent |Layer|, so the test can later
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// verify the data against expected values.
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class MockLayer : public Layer {
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public:
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MockLayer(SkPath path,
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SkPaint paint = SkPaint(),
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bool fake_has_platform_view = false,
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bool fake_needs_system_composite = false,
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bool fake_reads_surface = false);
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void Preroll(PrerollContext* context, const SkMatrix& matrix) override;
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void Paint(PaintContext& context) const override;
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const MutatorsStack& parent_mutators() { return parent_mutators_; }
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const SkMatrix& parent_matrix() { return parent_matrix_; }
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const SkRect& parent_cull_rect() { return parent_cull_rect_; }
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float parent_elevation() { return parent_elevation_; }
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bool parent_has_platform_view() { return parent_has_platform_view_; }
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private:
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MutatorsStack parent_mutators_;
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SkMatrix parent_matrix_;
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SkRect parent_cull_rect_ = SkRect::MakeEmpty();
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SkPath fake_paint_path_;
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SkPaint fake_paint_;
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float parent_elevation_ = 0;
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bool parent_has_platform_view_ = false;
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bool fake_has_platform_view_ = false;
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bool fake_needs_system_composite_ = false;
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bool fake_reads_surface_ = false;
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FML_DISALLOW_COPY_AND_ASSIGN(MockLayer);
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};
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} // namespace testing
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} // namespace flutter
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#endif // FLOW_TESTING_MOCK_LAYER_H_
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