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| 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 COMPONENTS_DISPLAY_COMPOSITOR_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_AND
ROID_H_ | |
| 6 #define COMPONENTS_DISPLAY_COMPOSITOR_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_AND
ROID_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 #include "components/display_compositor/compositor_overlay_candidate_validator.h
" | |
| 10 #include "components/display_compositor/display_compositor_export.h" | |
| 11 | |
| 12 namespace display_compositor { | |
| 13 | |
| 14 // An overlay validator for supporting fullscreen video underlays on Android. | |
| 15 // Things are a bit different on Android compared with other platforms. By the | |
| 16 // time a video frame is marked as overlayable it means the video decoder was | |
| 17 // outputting to a Surface that we can't read back from. As a result, the | |
| 18 // overlay must always succeed, or the video won't be visible. This is one of of | |
| 19 // the reasons that only fullscreen is supported: we have to be sure that | |
| 20 // nothing will cause the overlay to be rejected, because there's no fallback to | |
| 21 // gl compositing. | |
| 22 class DISPLAY_COMPOSITOR_EXPORT CompositorOverlayCandidateValidatorAndroid | |
| 23 : public CompositorOverlayCandidateValidator { | |
| 24 public: | |
| 25 CompositorOverlayCandidateValidatorAndroid(); | |
| 26 ~CompositorOverlayCandidateValidatorAndroid() override; | |
| 27 | |
| 28 void GetStrategies(cc::OverlayProcessor::StrategyList* strategies) override; | |
| 29 void CheckOverlaySupport(cc::OverlayCandidateList* surfaces) override; | |
| 30 bool AllowCALayerOverlays() override; | |
| 31 bool AllowDCLayerOverlays() override; | |
| 32 | |
| 33 void SetSoftwareMirrorMode(bool enabled) override; | |
| 34 | |
| 35 private: | |
| 36 DISALLOW_COPY_AND_ASSIGN(CompositorOverlayCandidateValidatorAndroid); | |
| 37 }; | |
| 38 | |
| 39 } // namespace display_compositor | |
| 40 | |
| 41 #endif // COMPONENTS_DISPLAY_COMPOSITOR_COMPOSITOR_OVERLAY_CANDIDATE_VALIDATOR_
ANDROID_H_ | |
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