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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/mus/server_view.h" | |
| 6 | |
| 7 #include <inttypes.h> | |
| 8 | |
| 9 #include "base/strings/stringprintf.h" | |
| 10 #include "components/mus/server_view_delegate.h" | |
| 11 #include "components/mus/server_view_observer.h" | |
| 12 #include "components/mus/surfaces/surfaces_state.h" | |
| 13 #include "mojo/converters/geometry/geometry_type_converters.h" | |
| 14 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
| 15 | |
| 16 namespace mus { | |
| 17 | |
| 18 namespace { | |
| 19 | |
| 20 void CallCallback(const mojo::Closure& callback, cc::SurfaceDrawStatus status) { | |
| 21 callback.Run(); | |
| 22 } | |
| 23 | |
| 24 } // namespace | |
| 25 | |
| 26 ServerView::ServerView(ServerViewDelegate* delegate, const ViewId& id) | |
| 27 : delegate_(delegate), | |
| 28 id_(id), | |
| 29 parent_(nullptr), | |
| 30 visible_(false), | |
| 31 opacity_(1), | |
| 32 // Don't notify newly added observers during notification. This causes | |
| 33 // problems for code that adds an observer as part of an observer | |
| 34 // notification (such as ServerViewDrawTracker). | |
| 35 observers_(base::ObserverList<ServerViewObserver>::NOTIFY_EXISTING_ONLY), | |
| 36 binding_(this) { | |
| 37 DCHECK(delegate); // Must provide a delegate. | |
| 38 } | |
| 39 | |
| 40 ServerView::~ServerView() { | |
| 41 FOR_EACH_OBSERVER(ServerViewObserver, observers_, OnWillDestroyView(this)); | |
| 42 | |
| 43 while (!children_.empty()) | |
| 44 children_.front()->parent()->Remove(children_.front()); | |
| 45 | |
| 46 if (parent_) | |
| 47 parent_->Remove(this); | |
| 48 | |
| 49 FOR_EACH_OBSERVER(ServerViewObserver, observers_, OnViewDestroyed(this)); | |
| 50 | |
| 51 // SurfaceFactory's destructor will attempt to return resources which will | |
| 52 // call back into here and access |client_| so we should destroy | |
| 53 // |surface_factory_| early on. | |
| 54 surface_factory_.reset(); | |
| 55 } | |
| 56 | |
| 57 void ServerView::AddObserver(ServerViewObserver* observer) { | |
| 58 observers_.AddObserver(observer); | |
| 59 } | |
| 60 | |
| 61 void ServerView::RemoveObserver(ServerViewObserver* observer) { | |
| 62 observers_.RemoveObserver(observer); | |
| 63 } | |
| 64 | |
| 65 void ServerView::Bind(mojo::InterfaceRequest<Surface> request, | |
| 66 mojo::SurfaceClientPtr client) { | |
| 67 if (binding_.is_bound()) { | |
| 68 if (surface_factory_) { | |
| 69 // Destroy frame surfaces submitted by the old client before replacing | |
| 70 // client_, so those surfaces will be returned to the old client. | |
| 71 surface_factory_->DestroyAll(); | |
| 72 SetSurfaceId(cc::SurfaceId()); | |
| 73 } | |
| 74 binding_.Close(); | |
| 75 client_ = nullptr; | |
| 76 } | |
| 77 binding_.Bind(request.Pass()); | |
| 78 client_ = client.Pass(); | |
| 79 } | |
| 80 | |
| 81 void ServerView::Add(ServerView* child) { | |
| 82 // We assume validation checks happened already. | |
| 83 DCHECK(child); | |
| 84 DCHECK(child != this); | |
| 85 DCHECK(!child->Contains(this)); | |
| 86 if (child->parent() == this) { | |
| 87 if (children_.size() == 1) | |
| 88 return; // Already in the right position. | |
| 89 Reorder(child, children_.back(), mojo::ORDER_DIRECTION_ABOVE); | |
| 90 return; | |
| 91 } | |
| 92 | |
| 93 ServerView* old_parent = child->parent(); | |
| 94 FOR_EACH_OBSERVER(ServerViewObserver, child->observers_, | |
| 95 OnWillChangeViewHierarchy(child, this, old_parent)); | |
| 96 | |
| 97 if (child->parent()) | |
| 98 child->parent()->RemoveImpl(child); | |
| 99 | |
| 100 child->parent_ = this; | |
| 101 children_.push_back(child); | |
| 102 FOR_EACH_OBSERVER(ServerViewObserver, child->observers_, | |
| 103 OnViewHierarchyChanged(child, this, old_parent)); | |
| 104 } | |
| 105 | |
| 106 void ServerView::Remove(ServerView* child) { | |
| 107 // We assume validation checks happened else where. | |
| 108 DCHECK(child); | |
| 109 DCHECK(child != this); | |
| 110 DCHECK(child->parent() == this); | |
| 111 | |
| 112 FOR_EACH_OBSERVER(ServerViewObserver, child->observers_, | |
| 113 OnWillChangeViewHierarchy(child, nullptr, this)); | |
| 114 RemoveImpl(child); | |
| 115 FOR_EACH_OBSERVER(ServerViewObserver, child->observers_, | |
| 116 OnViewHierarchyChanged(child, nullptr, this)); | |
| 117 } | |
| 118 | |
| 119 void ServerView::Reorder(ServerView* child, | |
| 120 ServerView* relative, | |
| 121 mojo::OrderDirection direction) { | |
| 122 // We assume validation checks happened else where. | |
| 123 DCHECK(child); | |
| 124 DCHECK(child->parent() == this); | |
| 125 DCHECK_GT(children_.size(), 1u); | |
| 126 children_.erase(std::find(children_.begin(), children_.end(), child)); | |
| 127 Views::iterator i = std::find(children_.begin(), children_.end(), relative); | |
| 128 if (direction == mojo::ORDER_DIRECTION_ABOVE) { | |
| 129 DCHECK(i != children_.end()); | |
| 130 children_.insert(++i, child); | |
| 131 } else if (direction == mojo::ORDER_DIRECTION_BELOW) { | |
| 132 DCHECK(i != children_.end()); | |
| 133 children_.insert(i, child); | |
| 134 } | |
| 135 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 136 OnViewReordered(this, relative, direction)); | |
| 137 } | |
| 138 | |
| 139 void ServerView::SetBounds(const gfx::Rect& bounds) { | |
| 140 if (bounds_ == bounds) | |
| 141 return; | |
| 142 | |
| 143 const gfx::Rect old_bounds = bounds_; | |
| 144 bounds_ = bounds; | |
| 145 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 146 OnViewBoundsChanged(this, old_bounds, bounds)); | |
| 147 } | |
| 148 | |
| 149 const ServerView* ServerView::GetRoot() const { | |
| 150 return delegate_->GetRootView(this); | |
| 151 } | |
| 152 | |
| 153 std::vector<const ServerView*> ServerView::GetChildren() const { | |
| 154 std::vector<const ServerView*> children; | |
| 155 children.reserve(children_.size()); | |
| 156 for (size_t i = 0; i < children_.size(); ++i) | |
| 157 children.push_back(children_[i]); | |
| 158 return children; | |
| 159 } | |
| 160 | |
| 161 std::vector<ServerView*> ServerView::GetChildren() { | |
| 162 // TODO(sky): rename to children() and fix return type. | |
| 163 return children_; | |
| 164 } | |
| 165 | |
| 166 bool ServerView::Contains(const ServerView* view) const { | |
| 167 for (const ServerView* parent = view; parent; parent = parent->parent_) { | |
| 168 if (parent == this) | |
| 169 return true; | |
| 170 } | |
| 171 return false; | |
| 172 } | |
| 173 | |
| 174 void ServerView::SetVisible(bool value) { | |
| 175 if (visible_ == value) | |
| 176 return; | |
| 177 | |
| 178 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 179 OnWillChangeViewVisibility(this)); | |
| 180 visible_ = value; | |
| 181 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 182 OnViewVisibilityChanged(this)); | |
| 183 } | |
| 184 | |
| 185 void ServerView::SetOpacity(float value) { | |
| 186 if (value == opacity_) | |
| 187 return; | |
| 188 opacity_ = value; | |
| 189 delegate_->OnScheduleViewPaint(this); | |
| 190 } | |
| 191 | |
| 192 void ServerView::SetTransform(const gfx::Transform& transform) { | |
| 193 if (transform_ == transform) | |
| 194 return; | |
| 195 | |
| 196 transform_ = transform; | |
| 197 delegate_->OnScheduleViewPaint(this); | |
| 198 } | |
| 199 | |
| 200 void ServerView::SetProperty(const std::string& name, | |
| 201 const std::vector<uint8_t>* value) { | |
| 202 auto it = properties_.find(name); | |
| 203 if (it != properties_.end()) { | |
| 204 if (value && it->second == *value) | |
| 205 return; | |
| 206 } else if (!value) { | |
| 207 // This property isn't set in |properties_| and |value| is NULL, so there's | |
| 208 // no change. | |
| 209 return; | |
| 210 } | |
| 211 | |
| 212 if (value) { | |
| 213 properties_[name] = *value; | |
| 214 } else if (it != properties_.end()) { | |
| 215 properties_.erase(it); | |
| 216 } | |
| 217 | |
| 218 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 219 OnViewSharedPropertyChanged(this, name, value)); | |
| 220 } | |
| 221 | |
| 222 void ServerView::SetTextInputState(const ui::TextInputState& state) { | |
| 223 const bool changed = !(text_input_state_ == state); | |
| 224 if (changed) { | |
| 225 text_input_state_ = state; | |
| 226 // keyboard even if the state is not changed. So we have to notify | |
| 227 // |observers_|. | |
| 228 FOR_EACH_OBSERVER(ServerViewObserver, observers_, | |
| 229 OnViewTextInputStateChanged(this, state)); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 bool ServerView::IsDrawn() const { | |
| 234 const ServerView* root = delegate_->GetRootView(this); | |
| 235 if (!root || !root->visible()) | |
| 236 return false; | |
| 237 const ServerView* view = this; | |
| 238 while (view && view != root && view->visible()) | |
| 239 view = view->parent(); | |
| 240 return root == view; | |
| 241 } | |
| 242 | |
| 243 void ServerView::SetSurfaceId(cc::SurfaceId surface_id) { | |
| 244 surface_id_ = surface_id; | |
| 245 delegate_->OnScheduleViewPaint(this); | |
| 246 } | |
| 247 | |
| 248 void ServerView::SubmitCompositorFrame( | |
| 249 mojo::CompositorFramePtr frame, | |
| 250 const SubmitCompositorFrameCallback& callback) { | |
| 251 gfx::Size frame_size = frame->passes[0]->output_rect.To<gfx::Rect>().size(); | |
| 252 // Create Surfaces state on demand. | |
| 253 if (!surface_factory_) { | |
| 254 surface_factory_.reset( | |
| 255 new cc::SurfaceFactory(delegate_->GetSurfacesState()->manager(), this)); | |
| 256 } | |
| 257 if (!surface_id_allocator_) { | |
| 258 surface_id_allocator_.reset( | |
| 259 new cc::SurfaceIdAllocator(ViewIdToTransportId(id()))); | |
| 260 } | |
| 261 if (surface_id().is_null()) { | |
| 262 // Create a Surface ID for the first time for this view. | |
| 263 cc::SurfaceId surface_id(surface_id_allocator_->GenerateId()); | |
| 264 surface_factory_->Create(surface_id); | |
| 265 SetSurfaceId(surface_id); | |
| 266 } else { | |
| 267 // If the size of the CompostiorFrame has changed then destroy the existing | |
| 268 // Surface and create a new one of the appropriate size. | |
| 269 if (frame_size != last_submitted_frame_size()) { | |
| 270 surface_factory_->Destroy(surface_id()); | |
| 271 cc::SurfaceId surface_id(surface_id_allocator_->GenerateId()); | |
| 272 surface_factory_->Create(surface_id); | |
| 273 SetSurfaceId(surface_id); | |
| 274 } | |
| 275 } | |
| 276 surface_factory_->SubmitCompositorFrame( | |
| 277 surface_id(), delegate_->UpdateViewTreeFromCompositorFrame(frame), | |
| 278 base::Bind(&CallCallback, callback)); | |
| 279 delegate_->GetSurfacesState()->scheduler()->SetNeedsDraw(); | |
| 280 last_submitted_frame_size_ = frame_size; | |
| 281 } | |
| 282 | |
| 283 #if !defined(NDEBUG) | |
| 284 std::string ServerView::GetDebugWindowHierarchy() const { | |
| 285 std::string result; | |
| 286 BuildDebugInfo(std::string(), &result); | |
| 287 return result; | |
| 288 } | |
| 289 | |
| 290 void ServerView::BuildDebugInfo(const std::string& depth, | |
| 291 std::string* result) const { | |
| 292 *result += base::StringPrintf( | |
| 293 "%sid=%d,%d visible=%s bounds=%d,%d %dx%d surface_id=%" PRIu64 "\n", | |
| 294 depth.c_str(), static_cast<int>(id_.connection_id), | |
| 295 static_cast<int>(id_.view_id), visible_ ? "true" : "false", bounds_.x(), | |
| 296 bounds_.y(), bounds_.width(), bounds_.height(), surface_id_.id); | |
| 297 for (const ServerView* child : children_) | |
| 298 child->BuildDebugInfo(depth + " ", result); | |
| 299 } | |
| 300 #endif | |
| 301 | |
| 302 void ServerView::ReturnResources(const cc::ReturnedResourceArray& resources) { | |
| 303 if (!client_) | |
| 304 return; | |
| 305 client_->ReturnResources( | |
| 306 mojo::Array<mojo::ReturnedResourcePtr>::From(resources)); | |
| 307 } | |
| 308 | |
| 309 void ServerView::RemoveImpl(ServerView* view) { | |
| 310 view->parent_ = NULL; | |
| 311 children_.erase(std::find(children_.begin(), children_.end(), view)); | |
| 312 } | |
| 313 | |
| 314 } // namespace mus | |
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Chromium Code Reviews
Issue 1377493002:
mus: move View Manager to components/mus/vm (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master