1 // Copyright 2013 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.
5 #ifndef CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_
6 #define CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_
8 #include "base/basictypes.h"
9 #include "ui/gfx/geometry/size_f.h"
10 #include "ui/gfx/vector2d_f.h"
14 class SynchronousCompositor
;
16 class SynchronousCompositorClient
{
18 // Indication to the client that |compositor| is now initialized on the
19 // compositor thread, and open for business.
20 virtual void DidInitializeCompositor(SynchronousCompositor
* compositor
) = 0;
22 // Indication to the client that |compositor| is going out of scope, and
23 // must not be accessed within or after this call.
24 // NOTE if the client goes away before the compositor it must call
25 // SynchronousCompositor::SetClient(NULL) to release the back pointer.
26 virtual void DidDestroyCompositor(SynchronousCompositor
* compositor
) = 0;
28 // See LayerScrollOffsetDelegate for details.
29 virtual void SetMaxRootLayerScrollOffset(
30 gfx::Vector2dF max_scroll_offset
) = 0;
31 virtual void SetTotalRootLayerScrollOffset(gfx::Vector2dF new_value
) = 0;
32 virtual gfx::Vector2dF
GetTotalRootLayerScrollOffset() = 0;
33 virtual bool IsExternalFlingActive() const = 0;
34 virtual void SetRootLayerPageScaleFactorAndLimits(
35 float page_scale_factor
,
36 float min_page_scale_factor
,
37 float max_page_scale_factor
) = 0;
38 virtual void SetRootLayerScrollableSize(gfx::SizeF scrollable_size
) = 0;
40 virtual void DidOverscroll(gfx::Vector2dF accumulated_overscroll
,
41 gfx::Vector2dF latest_overscroll_delta
,
42 gfx::Vector2dF current_fling_velocity
) = 0;
44 // When true, should periodically call
45 // SynchronousCompositorOutputSurface::DemandDrawHw. Note that this value
46 // can change inside DemandDrawHw call.
47 virtual void SetContinuousInvalidate(bool invalidate
) = 0;
49 virtual void DidUpdateContent() = 0;
52 SynchronousCompositorClient() {}
53 virtual ~SynchronousCompositorClient() {}
56 DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorClient
);
59 } // namespace content
61 #endif // CONTENT_PUBLIC_BROWSER_ANDROID_SYNCHRONOUS_COMPOSITOR_CLIENT_H_