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| 1 // Copyright (c) 2012 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 REMOTING_HOST_DESKTOP_RESIZER_H_ |
| 6 #define REMOTING_HOST_DESKTOP_RESIZER_H_ |
| 7 |
| 8 #include <list> |
| 9 |
| 10 #include "base/memory/scoped_ptr.h" |
| 11 #include "third_party/skia/include/core/SkRect.h" |
| 12 |
| 13 namespace remoting { |
| 14 |
| 15 class DesktopResizer { |
| 16 public: |
| 17 virtual ~DesktopResizer() {} |
| 18 |
| 19 // Create a platform-specific DesktopResizer instance. |
| 20 static scoped_ptr<DesktopResizer> Create(); |
| 21 |
| 22 // Return the current size of the desktop. This size will be restored upon |
| 23 // disconnection. |
| 24 virtual SkISize GetCurrentSize() = 0; |
| 25 |
| 26 // Get the list of supported sizes, which should ideally include |preferred|. |
| 27 // Implementations will generally do one of the following: |
| 28 // 1. Return the list of sizes supported by the underlying video driver, |
| 29 // regardless of |preferred|. |
| 30 // 2. Return a list containing just |preferred|, perhaps after imposing |
| 31 // some minimum size constraint. This will typically be the case if |
| 32 // there are no constraints imposed by the underlying video driver. |
| 33 // 3. Return an empty list if resize is not supported. |
| 34 virtual std::list<SkISize> GetSupportedSizes(const SkISize& preferred) = 0; |
| 35 |
| 36 // Set the size of the desktop. |size| is guaranteed to be one of the sizes |
| 37 // previously returned by |GetSupportedSizes| or |GetCurrentSize|. |
| 38 virtual void SetSize(const SkISize& size) = 0; |
| 39 }; |
| 40 |
| 41 } // namespace remoting |
| 42 |
| 43 #endif // REMOTING_HOST_DESKTOP_RESIZER_H_ |
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