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1 /* | 1 /* |
2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) | 2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights |
4 * reserved. | 4 * reserved. |
5 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. | 5 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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192 bool independent_equal = old_style->IndependentInheritedEqual(*new_style); | 192 bool independent_equal = old_style->IndependentInheritedEqual(*new_style); |
193 bool non_independent_equal = | 193 bool non_independent_equal = |
194 old_style->NonIndependentInheritedEqual(*new_style); | 194 old_style->NonIndependentInheritedEqual(*new_style); |
195 if (!independent_equal || !non_independent_equal) { | 195 if (!independent_equal || !non_independent_equal) { |
196 if (non_independent_equal && !old_style->HasExplicitlyInheritedProperties()) | 196 if (non_independent_equal && !old_style->HasExplicitlyInheritedProperties()) |
197 return kIndependentInherit; | 197 return kIndependentInherit; |
198 return kInherit; | 198 return kInherit; |
199 } | 199 } |
200 | 200 |
201 if (!old_style->LoadingCustomFontsEqual(*new_style) || | 201 if (!old_style->LoadingCustomFontsEqual(*new_style) || |
| 202 old_style->AlignItems() != new_style->AlignItems() || |
202 old_style->JustifyItems() != new_style->JustifyItems()) | 203 old_style->JustifyItems() != new_style->JustifyItems()) |
203 return kInherit; | 204 return kInherit; |
204 | 205 |
205 if (*old_style == *new_style) | 206 if (*old_style == *new_style) |
206 return DiffPseudoStyles(*old_style, *new_style); | 207 return DiffPseudoStyles(*old_style, *new_style); |
207 | 208 |
208 if (old_style->HasExplicitlyInheritedProperties()) | 209 if (old_style->HasExplicitlyInheritedProperties()) |
209 return kInherit; | 210 return kInherit; |
210 | 211 |
211 return kNoInherit; | 212 return kNoInherit; |
212 } | 213 } |
213 | 214 |
214 void ComputedStyle::PropagateIndependentInheritedProperties( | 215 void ComputedStyle::PropagateIndependentInheritedProperties( |
215 const ComputedStyle& parent_style) { | 216 const ComputedStyle& parent_style) { |
216 ComputedStyleBase::PropagateIndependentInheritedProperties(parent_style); | 217 ComputedStyleBase::PropagateIndependentInheritedProperties(parent_style); |
217 } | 218 } |
218 | 219 |
219 StyleSelfAlignmentData ResolvedSelfAlignment( | 220 StyleSelfAlignmentData ResolvedSelfAlignment( |
220 const StyleSelfAlignmentData& value, | 221 const StyleSelfAlignmentData& value, |
221 ItemPosition normal_value_behavior) { | 222 ItemPosition normal_value_behavior) { |
| 223 // To avoid needing to copy the RareNonInheritedData, we repurpose the 'auto' |
| 224 // flag to not just mean 'auto' prior to running the StyleAdjuster but also |
| 225 // mean 'normal' after running it. |
222 if (value.GetPosition() == kItemPositionNormal || | 226 if (value.GetPosition() == kItemPositionNormal || |
223 value.GetPosition() == kItemPositionAuto) | 227 value.GetPosition() == kItemPositionAuto) |
224 return {normal_value_behavior, kOverflowAlignmentDefault}; | 228 return {normal_value_behavior, kOverflowAlignmentDefault}; |
225 return value; | 229 return value; |
226 } | 230 } |
227 | 231 |
228 StyleSelfAlignmentData ComputedStyle::ResolvedAlignItems( | 232 StyleSelfAlignmentData ComputedStyle::ResolvedAlignItems( |
229 ItemPosition normal_value_behaviour) const { | 233 ItemPosition normal_value_behaviour) const { |
230 // We will return the behaviour of 'normal' value if needed, which is specific | 234 // We will return the behaviour of 'normal' value if needed, which is specific |
231 // of each layout model. | 235 // of each layout model. |
232 return ResolvedSelfAlignment(AlignItems(), normal_value_behaviour); | 236 return ResolvedSelfAlignment(AlignItems(), normal_value_behaviour); |
233 } | 237 } |
234 | 238 |
235 StyleSelfAlignmentData ComputedStyle::ResolvedAlignSelf( | 239 StyleSelfAlignmentData ComputedStyle::ResolvedAlignSelf( |
236 ItemPosition normal_value_behaviour, | 240 ItemPosition normal_value_behaviour, |
237 const ComputedStyle* parent_style) const { | 241 const ComputedStyle* parent_style) const { |
238 // We will return the behaviour of 'normal' value if needed, which is specific | 242 // We will return the behaviour of 'normal' value if needed, which is specific |
239 // of each layout model. | 243 // of each layout model. |
240 if (!parent_style || AlignSelfPosition() != kItemPositionAuto) | 244 if (!parent_style || AlignSelfPosition() != kItemPositionAuto) |
241 return ResolvedSelfAlignment(AlignSelf(), normal_value_behaviour); | 245 return ResolvedSelfAlignment(AlignSelf(), normal_value_behaviour); |
242 | 246 |
| 247 // We shouldn't need to resolve any 'auto' value in post-adjusment |
| 248 // ComputedStyle, but some layout models can generate anonymous boxes that may |
| 249 // need 'auto' value resolution during layout. |
243 // The 'auto' keyword computes to the parent's align-items computed value. | 250 // The 'auto' keyword computes to the parent's align-items computed value. |
244 return parent_style->ResolvedAlignItems(normal_value_behaviour); | 251 return parent_style->ResolvedAlignItems(normal_value_behaviour); |
245 } | 252 } |
246 | 253 |
247 StyleSelfAlignmentData ComputedStyle::ResolvedJustifyItems( | 254 StyleSelfAlignmentData ComputedStyle::ResolvedJustifyItems( |
248 ItemPosition normal_value_behaviour) const { | 255 ItemPosition normal_value_behaviour) const { |
249 // We will return the behaviour of 'normal' value if needed, which is specific | 256 // We will return the behaviour of 'normal' value if needed, which is specific |
250 // of each layout model. | 257 // of each layout model. |
251 return ResolvedSelfAlignment(JustifyItems(), normal_value_behaviour); | 258 return ResolvedSelfAlignment(JustifyItems(), normal_value_behaviour); |
252 } | 259 } |
253 | 260 |
254 StyleSelfAlignmentData ComputedStyle::ResolvedJustifySelf( | 261 StyleSelfAlignmentData ComputedStyle::ResolvedJustifySelf( |
255 ItemPosition normal_value_behaviour, | 262 ItemPosition normal_value_behaviour, |
256 const ComputedStyle* parent_style) const { | 263 const ComputedStyle* parent_style) const { |
257 // We will return the behaviour of 'normal' value if needed, which is specific | 264 // We will return the behaviour of 'normal' value if needed, which is specific |
258 // of each layout model. | 265 // of each layout model. |
259 if (!parent_style || JustifySelfPosition() != kItemPositionAuto) | 266 if (!parent_style || JustifySelfPosition() != kItemPositionAuto) |
260 return ResolvedSelfAlignment(JustifySelf(), normal_value_behaviour); | 267 return ResolvedSelfAlignment(JustifySelf(), normal_value_behaviour); |
261 | 268 |
| 269 // We shouldn't need to resolve any 'auto' value in post-adjusment |
| 270 // ComputedStyle, but some layout models can generate anonymous boxes that may |
| 271 // need 'auto' value resolution during layout. |
262 // The auto keyword computes to the parent's justify-items computed value. | 272 // The auto keyword computes to the parent's justify-items computed value. |
263 return parent_style->ResolvedJustifyItems(normal_value_behaviour); | 273 return parent_style->ResolvedJustifyItems(normal_value_behaviour); |
264 } | 274 } |
265 | 275 |
266 static inline ContentPosition ResolvedContentAlignmentPosition( | 276 static inline ContentPosition ResolvedContentAlignmentPosition( |
267 const StyleContentAlignmentData& value, | 277 const StyleContentAlignmentData& value, |
268 const StyleContentAlignmentData& normal_value_behavior) { | 278 const StyleContentAlignmentData& normal_value_behavior) { |
269 return (value.GetPosition() == kContentPositionNormal && | 279 return (value.GetPosition() == kContentPositionNormal && |
270 value.Distribution() == kContentDistributionDefault) | 280 value.Distribution() == kContentDistributionDefault) |
271 ? normal_value_behavior.GetPosition() | 281 ? normal_value_behavior.GetPosition() |
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2420 if (value < 0) | 2430 if (value < 0) |
2421 fvalue -= 0.5f; | 2431 fvalue -= 0.5f; |
2422 else | 2432 else |
2423 fvalue += 0.5f; | 2433 fvalue += 0.5f; |
2424 } | 2434 } |
2425 | 2435 |
2426 return RoundForImpreciseConversion<int>(fvalue / zoom_factor); | 2436 return RoundForImpreciseConversion<int>(fvalue / zoom_factor); |
2427 } | 2437 } |
2428 | 2438 |
2429 } // namespace blink | 2439 } // namespace blink |
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