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: Revisions, force PZ scrollbars to always draw. 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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40 , lowResContentsScaleFactor(0.125f)	40 , lowResContentsScaleFactor(0.125f)

41 , topControlsHeight(0.f)	41 , topControlsHeight(0.f)

42 , topControlsShowThreshold(0.5f)	42 , topControlsShowThreshold(0.5f)

43 , topControlsHideThreshold(0.5f)	43 , topControlsHideThreshold(0.5f)

44 , refreshRate(0)	44 , refreshRate(0)

45 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max())	45 , maxPartialTextureUpdates(std::numeric_limits<size_t>::max())

46 , numRasterThreads(1)	46 , numRasterThreads(1)

47 , defaultTileSize(gfx::Size(256, 256))	47 , defaultTileSize(gfx::Size(256, 256))

48 , maxUntiledLayerSize(gfx::Size(512, 512))	48 , maxUntiledLayerSize(gfx::Size(512, 512))

49 , minimumOcclusionTrackingSize(gfx::Size(160, 160))	49 , minimumOcclusionTrackingSize(gfx::Size(160, 160))

	50 , usePinchZoomScrollbars(false)

50 {	51 {

51 // TODO(danakj): Renable surface caching when we can do it more realiably. c rbug.com/170713	52 // TODO(danakj): Renable surface caching when we can do it more realiably. c rbug.com/170713

52 cacheRenderPassContents = false;	53 cacheRenderPassContents = false;

53 }	54 }

54	55

55 LayerTreeSettings::~LayerTreeSettings()	56 LayerTreeSettings::~LayerTreeSettings()

56 {	57 {

57 }	58 }

58	59

59 } // namespace cc	60 } // namespace cc

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