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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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91 } | 91 } |
92 m_objects.removeAll(objectsToRemove); | 92 m_objects.removeAll(objectsToRemove); |
93 | 93 |
94 updateImageResourcesWithLoadPriority(); | 94 updateImageResourcesWithLoadPriority(); |
95 } | 95 } |
96 | 96 |
97 void ResourceLoadPriorityOptimizer::updateImageResourcesWithLoadPriority() | 97 void ResourceLoadPriorityOptimizer::updateImageResourcesWithLoadPriority() |
98 { | 98 { |
99 for (ImageResourceMap::iterator it = m_imageResources.begin(); it != m_image
Resources.end(); ++it) { | 99 for (ImageResourceMap::iterator it = m_imageResources.begin(); it != m_image
Resources.end(); ++it) { |
100 ResourceLoadPriority priority = it->value->status == Visible ? | 100 ResourceLoadPriority priority = it->value->status == Visible ? |
101 ResourceLoadPriorityLow : ResourceLoadPriorityVeryLow; | 101 ResourceLoadPriorityMedium : ResourceLoadPriorityVeryLow; |
102 | 102 |
103 if (priority != it->value->imageResource->resourceRequest().priority())
{ | 103 if (priority != it->value->imageResource->resourceRequest().priority())
{ |
104 it->value->imageResource->mutableResourceRequest().setPriority(prior
ity, it->value->screenArea); | 104 it->value->imageResource->mutableResourceRequest().setPriority(prior
ity, it->value->screenArea); |
105 it->value->imageResource->didChangePriority(priority, it->value->scr
eenArea); | 105 it->value->imageResource->didChangePriority(priority, it->value->scr
eenArea); |
106 } | 106 } |
107 } | 107 } |
108 m_imageResources.clear(); | 108 m_imageResources.clear(); |
109 } | 109 } |
110 | 110 |
111 void ResourceLoadPriorityOptimizer::notifyImageResourceVisibility(ImageResource*
img, VisibilityStatus status, const LayoutRect& screenRect) | 111 void ResourceLoadPriorityOptimizer::notifyImageResourceVisibility(ImageResource*
img, VisibilityStatus status, const LayoutRect& screenRect) |
112 { | 112 { |
113 if (!img || img->isLoaded()) | 113 if (!img || img->isLoaded()) |
114 return; | 114 return; |
115 | 115 |
116 int screenArea = 0; | 116 int screenArea = 0; |
117 if (!screenRect.isEmpty() && status == Visible) | 117 if (!screenRect.isEmpty() && status == Visible) |
118 screenArea += static_cast<uint32_t>(screenRect.width() * screenRect.heig
ht()); | 118 screenArea += static_cast<uint32_t>(screenRect.width() * screenRect.heig
ht()); |
119 | 119 |
120 ImageResourceMap::AddResult result = m_imageResources.add(img->identifier(),
adoptPtr(new ResourceAndVisibility(img, status, screenArea))); | 120 ImageResourceMap::AddResult result = m_imageResources.add(img->identifier(),
adoptPtr(new ResourceAndVisibility(img, status, screenArea))); |
121 if (!result.isNewEntry && status == Visible) { | 121 if (!result.isNewEntry && status == Visible) { |
122 result.storedValue->value->status = status; | 122 result.storedValue->value->status = status; |
123 result.storedValue->value->screenArea = status; | 123 result.storedValue->value->screenArea = status; |
124 } | 124 } |
125 } | 125 } |
126 | 126 |
127 } | 127 } |
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