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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 "content/browser/android/edge_effect_l.h" | 5 #include "content/browser/android/edge_effect_l.h" |
| 6 | 6 |
| 7 #include "cc/layers/ui_resource_layer.h" | 7 #include "cc/layers/ui_resource_layer.h" |
| 8 #include "content/browser/android/animation_utils.h" | 8 #include "content/browser/android/animation_utils.h" |
| 9 #include "ui/base/android/system_ui_resource_manager.h" | 9 #include "ui/android/resources/resource_manager.h" |
| 10 | 10 |
| 11 namespace content { | 11 namespace content { |
| 12 | 12 |
| 13 namespace { | 13 namespace { |
| 14 | 14 |
| 15 // Time it will take the effect to fully recede in ms | 15 // Time it will take the effect to fully recede in ms |
| 16 const int kRecedeTimeMs = 600; | 16 const int kRecedeTimeMs = 600; |
| 17 | 17 |
| 18 // Time it will take before a pulled glow begins receding in ms | 18 // Time it will take before a pulled glow begins receding in ms |
| 19 const int kPullTimeMs = 167; | 19 const int kPullTimeMs = 167; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 34 | 34 |
| 35 const float kSin = 0.5f; // sin(PI / 6) | 35 const float kSin = 0.5f; // sin(PI / 6) |
| 36 const float kCos = 0.866f; // cos(PI / 6); | 36 const float kCos = 0.866f; // cos(PI / 6); |
| 37 | 37 |
| 38 // How much dragging should effect the height of the glow image. | 38 // How much dragging should effect the height of the glow image. |
| 39 // Number determined by user testing. | 39 // Number determined by user testing. |
| 40 const float kPullDistanceAlphaGlowFactor = 0.8f; | 40 const float kPullDistanceAlphaGlowFactor = 0.8f; |
| 41 | 41 |
| 42 const int kVelocityGlowFactor = 6; | 42 const int kVelocityGlowFactor = 6; |
| 43 | 43 |
| 44 const ui::SystemUIResourceType kResourceType = ui::OVERSCROLL_GLOW_L; | 44 const ui::SystemUIResourceType kResourceId = ui::OVERSCROLL_GLOW_L; |
| 45 | 45 |
| 46 } // namespace | 46 } // namespace |
| 47 | 47 |
| 48 EdgeEffectL::EdgeEffectL(ui::SystemUIResourceManager* resource_manager) | 48 EdgeEffectL::EdgeEffectL(ui::ResourceManager* resource_manager) |
| 49 : resource_manager_(resource_manager), | 49 : resource_manager_(resource_manager), |
| 50 glow_(cc::UIResourceLayer::Create()), | 50 glow_(cc::UIResourceLayer::Create()), |
| 51 glow_alpha_(0), | 51 glow_alpha_(0), |
| 52 glow_scale_y_(0), | 52 glow_scale_y_(0), |
| 53 glow_alpha_start_(0), | 53 glow_alpha_start_(0), |
| 54 glow_alpha_finish_(0), | 54 glow_alpha_finish_(0), |
| 55 glow_scale_y_start_(0), | 55 glow_scale_y_start_(0), |
| 56 glow_scale_y_finish_(0), | 56 glow_scale_y_finish_(0), |
| 57 displacement_(0.5f), | 57 displacement_(0.5f), |
| 58 target_displacement_(0.5f), | 58 target_displacement_(0.5f), |
| (...skipping 168 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 227 const float h = r - y; | 227 const float h = r - y; |
| 228 const float o_r = size.height() * 0.75f / kSin; | 228 const float o_r = size.height() * 0.75f / kSin; |
| 229 const float o_y = kCos * o_r; | 229 const float o_y = kCos * o_r; |
| 230 const float o_h = o_r - o_y; | 230 const float o_h = o_r - o_y; |
| 231 const float base_glow_scale = h > 0.f ? std::min(o_h / h, 1.f) : 1.f; | 231 const float base_glow_scale = h > 0.f ? std::min(o_h / h, 1.f) : 1.f; |
| 232 bounds_ = gfx::Size(size.width(), (int)std::min(size.height(), h)); | 232 bounds_ = gfx::Size(size.width(), (int)std::min(size.height(), h)); |
| 233 gfx::Size image_bounds( | 233 gfx::Size image_bounds( |
| 234 r, std::min(1.f, glow_scale_y_) * base_glow_scale * bounds_.height()); | 234 r, std::min(1.f, glow_scale_y_) * base_glow_scale * bounds_.height()); |
| 235 | 235 |
| 236 glow_->SetIsDrawable(true); | 236 glow_->SetIsDrawable(true); |
| 237 glow_->SetUIResourceId(resource_manager_->GetUIResourceId(kResourceType)); | 237 glow_->SetUIResourceId(resource_manager_->GetUIResourceId( |
| 238 ui::ANDROID_RESOURCE_TYPE_SYSTEM, kResourceId)); |
| 238 glow_->SetTransformOrigin(gfx::Point3F(bounds_.width() * 0.5f, 0, 0)); | 239 glow_->SetTransformOrigin(gfx::Point3F(bounds_.width() * 0.5f, 0, 0)); |
| 239 glow_->SetBounds(image_bounds); | 240 glow_->SetBounds(image_bounds); |
| 240 glow_->SetContentsOpaque(false); | 241 glow_->SetContentsOpaque(false); |
| 241 glow_->SetOpacity(Clamp(glow_alpha_, 0.f, 1.f)); | 242 glow_->SetOpacity(Clamp(glow_alpha_, 0.f, 1.f)); |
| 242 | 243 |
| 243 const float displacement = Clamp(displacement_, 0.f, 1.f) - 0.5f; | 244 const float displacement = Clamp(displacement_, 0.f, 1.f) - 0.5f; |
| 244 const float displacement_offset_x = bounds_.width() * displacement * 0.5f; | 245 const float displacement_offset_x = bounds_.width() * displacement * 0.5f; |
| 245 const float image_offset_x = (bounds_.width() - image_bounds.width()) * 0.5f; | 246 const float image_offset_x = (bounds_.width() - image_bounds.width()) * 0.5f; |
| 246 gfx::Transform offset_transform; | 247 gfx::Transform offset_transform; |
| 247 offset_transform.Translate(image_offset_x - displacement_offset_x, 0); | 248 offset_transform.Translate(image_offset_x - displacement_offset_x, 0); |
| 248 offset_transform.ConcatTransform(transform); | 249 offset_transform.ConcatTransform(transform); |
| 249 glow_->SetTransform(offset_transform); | 250 glow_->SetTransform(offset_transform); |
| 250 } | 251 } |
| 251 | 252 |
| 252 void EdgeEffectL::SetParent(cc::Layer* parent) { | 253 void EdgeEffectL::SetParent(cc::Layer* parent) { |
| 253 if (glow_->parent() != parent) | 254 if (glow_->parent() != parent) |
| 254 parent->AddChild(glow_); | 255 parent->AddChild(glow_); |
| 255 } | 256 } |
| 256 | 257 |
| 257 // static | 258 // static |
| 258 void EdgeEffectL::PreloadResources( | 259 void EdgeEffectL::PreloadResources(ui::ResourceManager* resource_manager) { |
| 259 ui::SystemUIResourceManager* resource_manager) { | |
| 260 DCHECK(resource_manager); | 260 DCHECK(resource_manager); |
| 261 resource_manager->PreloadResource(kResourceType); | 261 resource_manager->PreloadResource(ui::ANDROID_RESOURCE_TYPE_SYSTEM, |
| 262 kResourceId); |
| 262 } | 263 } |
| 263 | 264 |
| 264 } // namespace content | 265 } // namespace content |
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