cc/layer_tree_settings.cc - Issue 11550035: Implement pinch-zoom scaling for main-frame scrollbars and pinch-zoom overlay scrollbars.

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Issue 11550035: Implement pinch-zoom scaling for main-frame scrollbars and pinch-zoom overlay scrollbars. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Revision as per comments, animate scrollbars, fix slow-path PZ scrolling. Created 7 years, 9 months ago

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1 // Copyright 2011 The Chromium Authors. All rights reserved.	1 // Copyright 2011 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 #include "cc/layer_tree_settings.h"	5 #include "cc/layer_tree_settings.h"

6	6

7 #include <limits>	7 #include <limits>

8	8

9 #include "base/command_line.h"	9 #include "base/command_line.h"

10 #include "base/logging.h"	10 #include "base/logging.h"

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38 , lowResContentsScaleFactor(0.125f)	38 , lowResContentsScaleFactor(0.125f)

39 , topControlsHeight(0.f)	39 , topControlsHeight(0.f)

40 , topControlsShowThreshold(0.5f)	40 , topControlsShowThreshold(0.5f)

41 , topControlsHideThreshold(0.5f)	41 , topControlsHideThreshold(0.5f)

42 , refreshRate(0)	42 , refreshRate(0)

43 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max())	43 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max())

44 , numRasterThreads(1)	44 , numRasterThreads(1)

45 , defaultTileSize(gfx::Size(256, 256))	45 , defaultTileSize(gfx::Size(256, 256))

46 , maxUntiledLayerSize(gfx::Size(512, 512))	46 , maxUntiledLayerSize(gfx::Size(512, 512))

47 , minimumOcclusionTrackingSize(gfx::Size(160, 160))	47 , minimumOcclusionTrackingSize(gfx::Size(160, 160))

	48 , usePinchZoomScrollbars(true)

48 {	49 {

49 // TODO(danakj): Renable surface caching when we can do it more realiably. c rbug.com/170713	50 // TODO(danakj): Renable surface caching when we can do it more realiably. c rbug.com/170713

50 cacheRenderPassContents = false;	51 cacheRenderPassContents = false;

51 }	52 }

52	53

53 LayerTreeSettings::~LayerTreeSettings()	54 LayerTreeSettings::~LayerTreeSettings()

54 {	55 {

55 }	56 }

56	57

57 } // namespace cc	58 } // namespace cc

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