| 1 | #pragma once |
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| 2 | |
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| 3 | #include <exception> |
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| 4 | |
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| 5 | namespace mbgl { |
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| 6 | |
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| 7 | class RendererObserver { |
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| 8 | public: |
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| 9 | virtual ~RendererObserver() = default; |
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| 10 | |
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| 11 | enum class RenderMode : uint32_t { |
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| 12 | Partial, |
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| 13 | Full |
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| 14 | }; |
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| 15 | |
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| 16 | // Signals that a repaint is required |
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| 17 | virtual void onInvalidate() {} |
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| 18 | |
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| 19 | // Resource failed to download / parse |
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| 20 | virtual void onResourceError(std::exception_ptr) {} |
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| 21 | |
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| 22 | // First frame |
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| 23 | virtual void onWillStartRenderingMap() {} |
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| 24 | |
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| 25 | // Start of frame, initial is the first frame for this map |
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| 26 | virtual void onWillStartRenderingFrame() {} |
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| 27 | |
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| 28 | // End of frame, boolean flags that a repaint is required |
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| 29 | virtual void onDidFinishRenderingFrame(RenderMode, bool) {} |
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| 30 | |
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| 31 | // Final frame |
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| 32 | virtual void onDidFinishRenderingMap() {} |
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| 33 | }; |
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| 34 | |
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| 35 | } // namespace mbgl |
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| 36 | |
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