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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "core/css/MediaValuesCached.h" | 5 #include "core/css/MediaValuesCached.h" |
| 6 | 6 |
| 7 #include "core/css/CSSPrimitiveValue.h" | 7 #include "core/css/CSSPrimitiveValue.h" |
| 8 #include "core/dom/Document.h" | 8 #include "core/dom/Document.h" |
| 9 #include "core/frame/LocalFrame.h" | 9 #include "core/frame/LocalFrame.h" |
| 10 #include "core/layout/LayoutObject.h" | 10 #include "core/layout/LayoutObject.h" |
| 11 #include "core/layout/api/LayoutViewItem.h" | 11 #include "core/layout/api/LayoutViewItem.h" |
| 12 | 12 |
| 13 namespace blink { | 13 namespace blink { |
| 14 | 14 |
| 15 MediaValuesCached::MediaValuesCachedData::MediaValuesCachedData( | 15 MediaValuesCached::MediaValuesCachedData::MediaValuesCachedData( |
| 16 Document& document) | 16 Document& document) |
| 17 : MediaValuesCached::MediaValuesCachedData() { | 17 : MediaValuesCached::MediaValuesCachedData() { |
| 18 ASSERT(isMainThread()); | 18 ASSERT(isMainThread()); |
| 19 LocalFrame* frame = MediaValues::frameFrom(document); | 19 LocalFrame* frame = MediaValues::frameFrom(document); |
| 20 // TODO(hiroshige): Clean up |frame->view()| conditions. | 20 // TODO(hiroshige): Clean up |frame->view()| conditions. |
| 21 ASSERT(!frame || frame->view()); | 21 ASSERT(!frame || frame->view()); |
| 22 if (frame && frame->view()) { | 22 if (frame && frame->view()) { |
| 23 ASSERT(frame->document() && !frame->document()->layoutViewItem().isNull()); | 23 ASSERT(frame->document() && !frame->document()->layoutViewItem().isNull()); |
| 24 | 24 |
| 25 // In case that frame is missing (e.g. for images that their document does n
ot have a frame) | 25 // In case that frame is missing (e.g. for images that their document does |
| 26 // We simply leave the MediaValues object with the default MediaValuesCached
Data values. | 26 // not have a frame) |
| 27 // We simply leave the MediaValues object with the default |
| 28 // MediaValuesCachedData values. |
| 27 viewportWidth = MediaValues::calculateViewportWidth(frame); | 29 viewportWidth = MediaValues::calculateViewportWidth(frame); |
| 28 viewportHeight = MediaValues::calculateViewportHeight(frame); | 30 viewportHeight = MediaValues::calculateViewportHeight(frame); |
| 29 deviceWidth = MediaValues::calculateDeviceWidth(frame); | 31 deviceWidth = MediaValues::calculateDeviceWidth(frame); |
| 30 deviceHeight = MediaValues::calculateDeviceHeight(frame); | 32 deviceHeight = MediaValues::calculateDeviceHeight(frame); |
| 31 devicePixelRatio = MediaValues::calculateDevicePixelRatio(frame); | 33 devicePixelRatio = MediaValues::calculateDevicePixelRatio(frame); |
| 32 colorBitsPerComponent = MediaValues::calculateColorBitsPerComponent(frame); | 34 colorBitsPerComponent = MediaValues::calculateColorBitsPerComponent(frame); |
| 33 monochromeBitsPerComponent = | 35 monochromeBitsPerComponent = |
| 34 MediaValues::calculateMonochromeBitsPerComponent(frame); | 36 MediaValues::calculateMonochromeBitsPerComponent(frame); |
| 35 primaryPointerType = MediaValues::calculatePrimaryPointerType(frame); | 37 primaryPointerType = MediaValues::calculatePrimaryPointerType(frame); |
| 36 availablePointerTypes = MediaValues::calculateAvailablePointerTypes(frame); | 38 availablePointerTypes = MediaValues::calculateAvailablePointerTypes(frame); |
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| 146 return true; | 148 return true; |
| 147 } | 149 } |
| 148 | 150 |
| 149 void MediaValuesCached::overrideViewportDimensions(double width, | 151 void MediaValuesCached::overrideViewportDimensions(double width, |
| 150 double height) { | 152 double height) { |
| 151 m_data.viewportWidth = width; | 153 m_data.viewportWidth = width; |
| 152 m_data.viewportHeight = height; | 154 m_data.viewportHeight = height; |
| 153 } | 155 } |
| 154 | 156 |
| 155 } // namespace blink | 157 } // namespace blink |
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