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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 "content/browser/android/overscroll_glow.h" | 5 #include "content/browser/android/overscroll_glow.h" |
6 | 6 |
7 #include "cc/layers/layer.h" | 7 #include "cc/layers/layer.h" |
8 #include "content/browser/android/edge_effect_base.h" | 8 #include "content/browser/android/edge_effect_base.h" |
9 | 9 |
10 using std::max; | 10 using std::max; |
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179 return false; | 179 return false; |
180 for (size_t i = 0; i < EDGE_COUNT; ++i) { | 180 for (size_t i = 0; i < EDGE_COUNT; ++i) { |
181 if (!edge_effects_[i]->IsFinished()) | 181 if (!edge_effects_[i]->IsFinished()) |
182 return true; | 182 return true; |
183 } | 183 } |
184 return false; | 184 return false; |
185 } | 185 } |
186 | 186 |
187 void OverscrollGlow::UpdateLayerAttachment(cc::Layer* parent) { | 187 void OverscrollGlow::UpdateLayerAttachment(cc::Layer* parent) { |
188 DCHECK(parent); | 188 DCHECK(parent); |
189 if (!root_layer_) | 189 if (!root_layer_.get()) |
190 return; | 190 return; |
191 | 191 |
192 if (!NeedsAnimate()) { | 192 if (!NeedsAnimate()) { |
193 Detach(); | 193 Detach(); |
194 return; | 194 return; |
195 } | 195 } |
196 | 196 |
197 if (root_layer_->parent() != parent) | 197 if (root_layer_->parent() != parent) |
198 parent->AddChild(root_layer_); | 198 parent->AddChild(root_layer_); |
199 | 199 |
200 for (size_t i = 0; i < EDGE_COUNT; ++i) | 200 for (size_t i = 0; i < EDGE_COUNT; ++i) |
201 edge_effects_[i]->SetParent(root_layer_); | 201 edge_effects_[i]->SetParent(root_layer_.get()); |
202 } | 202 } |
203 | 203 |
204 void OverscrollGlow::Detach() { | 204 void OverscrollGlow::Detach() { |
205 if (root_layer_) | 205 if (root_layer_.get()) |
206 root_layer_->RemoveFromParent(); | 206 root_layer_->RemoveFromParent(); |
207 } | 207 } |
208 | 208 |
209 bool OverscrollGlow::InitializeIfNecessary() { | 209 bool OverscrollGlow::InitializeIfNecessary() { |
210 DCHECK(enabled_); | 210 DCHECK(enabled_); |
211 if (initialized_) | 211 if (initialized_) |
212 return true; | 212 return true; |
213 | 213 |
214 DCHECK(!root_layer_); | 214 DCHECK(!root_layer_.get()); |
215 root_layer_ = cc::Layer::Create(); | 215 root_layer_ = cc::Layer::Create(); |
216 for (size_t i = 0; i < EDGE_COUNT; ++i) { | 216 for (size_t i = 0; i < EDGE_COUNT; ++i) { |
217 edge_effects_[i] = edge_effect_provider_.Run(); | 217 edge_effects_[i] = edge_effect_provider_.Run(); |
218 DCHECK(edge_effects_[i]); | 218 DCHECK(edge_effects_[i]); |
219 } | 219 } |
220 | 220 |
221 initialized_ = true; | 221 initialized_ = true; |
222 return true; | 222 return true; |
223 } | 223 } |
224 | 224 |
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293 EdgeEffectBase* OverscrollGlow::GetOppositeEdge(int edge_index) { | 293 EdgeEffectBase* OverscrollGlow::GetOppositeEdge(int edge_index) { |
294 DCHECK(initialized_); | 294 DCHECK(initialized_); |
295 return edge_effects_[(edge_index + 2) % EDGE_COUNT].get(); | 295 return edge_effects_[(edge_index + 2) % EDGE_COUNT].get(); |
296 } | 296 } |
297 | 297 |
298 OverscrollGlow::DisplayParameters::DisplayParameters() { | 298 OverscrollGlow::DisplayParameters::DisplayParameters() { |
299 edge_offsets[0] = edge_offsets[1] = edge_offsets[2] = edge_offsets[3] = 0.f; | 299 edge_offsets[0] = edge_offsets[1] = edge_offsets[2] = edge_offsets[3] = 0.f; |
300 } | 300 } |
301 | 301 |
302 } // namespace content | 302 } // namespace content |
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