| // Copyright 2017 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 UI_ACCELERATED_WIDGET_MAC_CA_LAYER_FRAME_SINK_H_ |
| #define UI_ACCELERATED_WIDGET_MAC_CA_LAYER_FRAME_SINK_H_ |
| |
| #include "base/time/time.h" |
| #include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h" |
| #include "ui/gfx/ca_layer_params.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace ui { |
| |
| // An interface to an NSView that will embed content described by CALayerParams |
| // in its heirarchy. |
| class ACCELERATED_WIDGET_MAC_EXPORT CALayerFrameSink { |
| public: |
| // Translate from a gfx::AcceleratedWidget to the gfx::CALayerFrameSink |
| // interface through which frames may be submitted. This may return nullptr. |
| static CALayerFrameSink* FromAcceleratedWidget(gfx::AcceleratedWidget widget); |
| |
| // Update the embedder's CALayer tree to show the content described by |
| // |ca_layer_params|. |
| virtual void UpdateCALayerTree(const gfx::CALayerParams& ca_layer_params) = 0; |
| |
| // Retrieve the vsync parameters for the monitor on which the embedder is |
| // currently displayed. |
| virtual void GetVSyncParameters(base::TimeTicks* timebase, |
| base::TimeDelta* interval) const = 0; |
| |
| // If suspended, the embedder will ignore updates until un-supended. |
| virtual void SetSuspended(bool suspended) = 0; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_ACCELERATED_WIDGET_MAC_CA_LAYER_FRAME_SINK_H_ |