| // Copyright 2013 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 CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_ |
| #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_ |
| |
| #include "base/basictypes.h" |
| #include "ui/gfx/vector2d_f.h" |
| |
| namespace content { |
| |
| class SynchronousCompositor; |
| |
| class SynchronousCompositorClient { |
| public: |
| // Indication to the client that |compositor| is now initialized on the |
| // compositor thread, and open for business. |
| virtual void DidInitializeCompositor(SynchronousCompositor* compositor) = 0; |
| |
| // Indication to the client that |compositor| is going out of scope, and |
| // must not be accessed within or after this call. |
| // NOTE if the client goes away before the compositor it must call |
| // SynchronousCompositor::SetClient(NULL) to release the back pointer. |
| virtual void DidDestroyCompositor(SynchronousCompositor* compositor) = 0; |
| |
| // See LayerScrollOffsetDelegate for details. |
| virtual void SetTotalRootLayerScrollOffset(gfx::Vector2dF new_value) = 0; |
| virtual gfx::Vector2dF GetTotalRootLayerScrollOffset() = 0; |
| virtual void DidOverscroll(gfx::Vector2dF latest_overscroll_delta, |
| gfx::Vector2dF current_fling_velocity) = 0; |
| |
| // When true, should periodically call |
| // SynchronousCompositorOutputSurface::DemandDrawHw. Note that this value |
| // can change inside DemandDrawHw call. |
| virtual void SetContinuousInvalidate(bool invalidate) = 0; |
| |
| virtual void DidUpdateContent() = 0; |
| |
| protected: |
| SynchronousCompositorClient() {} |
| virtual ~SynchronousCompositorClient() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorClient); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_ |