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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 5 #ifndef CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
| 6 #define CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 6 #define CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
| 7 | 7 |
| 8 #include "cc/blink/web_layer_impl.h" | 8 #include "cc/blink/web_layer_impl.h" |
| 9 #include "ui/gfx/size.h" | 9 #include "ui/gfx/geometry/size.h" |
| 10 #include "ui/gfx/transform.h" | 10 #include "ui/gfx/transform.h" |
| 11 | 11 |
| 12 namespace cc_blink { | 12 namespace cc_blink { |
| 13 | 13 |
| 14 // A special implementation of WebLayerImpl for layers that its contents | 14 // A special implementation of WebLayerImpl for layers that its contents |
| 15 // need to be automatically scaled when the bounds changes. The compositor | 15 // need to be automatically scaled when the bounds changes. The compositor |
| 16 // can efficiently handle the bounds change of such layers if the bounds | 16 // can efficiently handle the bounds change of such layers if the bounds |
| 17 // is fixed to a given value and the change of bounds are converted to | 17 // is fixed to a given value and the change of bounds are converted to |
| 18 // transformation scales. | 18 // transformation scales. |
| 19 class WebLayerImplFixedBounds : public WebLayerImpl { | 19 class WebLayerImplFixedBounds : public WebLayerImpl { |
| (...skipping 22 matching lines...) Expand all Loading... |
| 42 gfx::Size original_bounds_; | 42 gfx::Size original_bounds_; |
| 43 gfx::Size fixed_bounds_; | 43 gfx::Size fixed_bounds_; |
| 44 | 44 |
| 45 private: | 45 private: |
| 46 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); | 46 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); |
| 47 }; | 47 }; |
| 48 | 48 |
| 49 } // namespace cc_blink | 49 } // namespace cc_blink |
| 50 | 50 |
| 51 #endif // CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 51 #endif // CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
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