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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/view_manager/view_manager_service_impl.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/stl_util.h" | |
| 9 #include "components/view_manager/connection_manager.h" | |
| 10 #include "components/view_manager/default_access_policy.h" | |
| 11 #include "components/view_manager/display_manager.h" | |
| 12 #include "components/view_manager/server_view.h" | |
| 13 #include "components/view_manager/window_manager_access_policy.h" | |
| 14 #include "mojo/converters/geometry/geometry_type_converters.h" | |
| 15 #include "mojo/converters/ime/ime_type_converters.h" | |
| 16 #include "mojo/converters/input_events/input_events_type_converters.h" | |
| 17 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
| 18 #include "ui/platform_window/text_input_state.h" | |
| 19 | |
| 20 using mojo::Array; | |
| 21 using mojo::Callback; | |
| 22 using mojo::Id; | |
| 23 using mojo::InterfaceRequest; | |
| 24 using mojo::OrderDirection; | |
| 25 using mojo::Rect; | |
| 26 using mojo::ServiceProvider; | |
| 27 using mojo::ServiceProviderPtr; | |
| 28 using mojo::String; | |
| 29 using mojo::ViewDataPtr; | |
| 30 | |
| 31 namespace view_manager { | |
| 32 | |
| 33 // Contains information needed to complete an Embed(). See description of | |
| 34 // |pending_embeds_| for more details. | |
| 35 struct ViewManagerServiceImpl::PendingEmbed | |
| 36 : public base::RefCounted<PendingEmbed> { | |
| 37 PendingEmbed() : embed_root(nullptr) {} | |
| 38 | |
| 39 ViewManagerServiceImpl* embed_root; | |
| 40 ViewId view_id; | |
| 41 mojo::Callback<void(bool)> callback; | |
| 42 | |
| 43 private: | |
| 44 friend class base::RefCounted<PendingEmbed>; | |
| 45 | |
| 46 ~PendingEmbed() {} | |
| 47 }; | |
| 48 | |
| 49 ViewManagerServiceImpl::ViewManagerServiceImpl( | |
| 50 ConnectionManager* connection_manager, | |
| 51 mojo::ConnectionSpecificId creator_id, | |
| 52 const ViewId& root_id) | |
| 53 : connection_manager_(connection_manager), | |
| 54 id_(connection_manager_->GetAndAdvanceNextConnectionId()), | |
| 55 creator_id_(creator_id), | |
| 56 client_(nullptr), | |
| 57 is_embed_root_(false) { | |
| 58 ServerView* view = GetView(root_id); | |
| 59 CHECK(view); | |
| 60 root_.reset(new ViewId(root_id)); | |
| 61 if (view->GetRoot() == view) | |
| 62 access_policy_.reset(new WindowManagerAccessPolicy(id_, this)); | |
| 63 else | |
| 64 access_policy_.reset(new DefaultAccessPolicy(id_, this)); | |
| 65 } | |
| 66 | |
| 67 ViewManagerServiceImpl::~ViewManagerServiceImpl() { | |
| 68 DestroyViews(); | |
| 69 } | |
| 70 | |
| 71 void ViewManagerServiceImpl::Init(mojo::ViewManagerClient* client, | |
| 72 mojo::ViewManagerServicePtr service_ptr) { | |
| 73 DCHECK(!client_); | |
| 74 client_ = client; | |
| 75 std::vector<const ServerView*> to_send; | |
| 76 if (root_.get()) | |
| 77 GetUnknownViewsFrom(GetView(*root_), &to_send); | |
| 78 | |
| 79 const ServerView* focused_view = connection_manager_->GetFocusedView(); | |
| 80 if (focused_view) | |
| 81 focused_view = access_policy_->GetViewForFocusChange(focused_view); | |
| 82 const mojo::Id focused_view_transport_id( | |
| 83 ViewIdToTransportId(focused_view ? focused_view->id() : ViewId())); | |
| 84 | |
| 85 client->OnEmbed(id_, ViewToViewData(to_send.front()), service_ptr.Pass(), | |
| 86 focused_view_transport_id); | |
| 87 } | |
| 88 | |
| 89 const ServerView* ViewManagerServiceImpl::GetView(const ViewId& id) const { | |
| 90 if (id_ == id.connection_id) { | |
| 91 ViewMap::const_iterator i = view_map_.find(id.view_id); | |
| 92 return i == view_map_.end() ? NULL : i->second; | |
| 93 } | |
| 94 return connection_manager_->GetView(id); | |
| 95 } | |
| 96 | |
| 97 bool ViewManagerServiceImpl::IsRoot(const ViewId& id) const { | |
| 98 return root_.get() && *root_ == id; | |
| 99 } | |
| 100 | |
| 101 void ViewManagerServiceImpl::OnWillDestroyViewManagerServiceImpl( | |
| 102 ViewManagerServiceImpl* connection) { | |
| 103 InvalidatePendingEmbedForConnection(connection); | |
| 104 if (creator_id_ == connection->id()) | |
| 105 creator_id_ = kInvalidConnectionId; | |
| 106 if (connection->root_ && connection->root_->connection_id == id_ && | |
| 107 view_map_.count(connection->root_->view_id) > 0) { | |
| 108 client()->OnEmbeddedAppDisconnected( | |
| 109 ViewIdToTransportId(*connection->root_)); | |
| 110 } | |
| 111 if (root_.get() && root_->connection_id == connection->id()) | |
| 112 root_.reset(); | |
| 113 } | |
| 114 | |
| 115 mojo::ErrorCode ViewManagerServiceImpl::CreateView(const ViewId& view_id) { | |
| 116 if (view_id.connection_id != id_) | |
| 117 return mojo::ERROR_CODE_ILLEGAL_ARGUMENT; | |
| 118 if (view_map_.find(view_id.view_id) != view_map_.end()) | |
| 119 return mojo::ERROR_CODE_VALUE_IN_USE; | |
| 120 view_map_[view_id.view_id] = connection_manager_->CreateServerView(view_id); | |
| 121 known_views_.insert(ViewIdToTransportId(view_id)); | |
| 122 return mojo::ERROR_CODE_NONE; | |
| 123 } | |
| 124 | |
| 125 bool ViewManagerServiceImpl::AddView(const ViewId& parent_id, | |
| 126 const ViewId& child_id) { | |
| 127 ServerView* parent = GetView(parent_id); | |
| 128 ServerView* child = GetView(child_id); | |
| 129 if (parent && child && child->parent() != parent && | |
| 130 !child->Contains(parent) && access_policy_->CanAddView(parent, child)) { | |
| 131 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 132 parent->Add(child); | |
| 133 return true; | |
| 134 } | |
| 135 return false; | |
| 136 } | |
| 137 | |
| 138 std::vector<const ServerView*> ViewManagerServiceImpl::GetViewTree( | |
| 139 const ViewId& view_id) const { | |
| 140 const ServerView* view = GetView(view_id); | |
| 141 std::vector<const ServerView*> views; | |
| 142 if (view) | |
| 143 GetViewTreeImpl(view, &views); | |
| 144 return views; | |
| 145 } | |
| 146 | |
| 147 bool ViewManagerServiceImpl::SetViewVisibility(const ViewId& view_id, | |
| 148 bool visible) { | |
| 149 ServerView* view = GetView(view_id); | |
| 150 if (!view || view->visible() == visible || | |
| 151 !access_policy_->CanChangeViewVisibility(view)) { | |
| 152 return false; | |
| 153 } | |
| 154 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 155 view->SetVisible(visible); | |
| 156 return true; | |
| 157 } | |
| 158 | |
| 159 void ViewManagerServiceImpl::EmbedAllowingReembed( | |
| 160 const ViewId& view_id, | |
| 161 mojo::URLRequestPtr request, | |
| 162 const mojo::Callback<void(bool)>& callback) { | |
| 163 if (!CanEmbed(view_id)) { | |
| 164 callback.Run(false); | |
| 165 return; | |
| 166 } | |
| 167 | |
| 168 ViewManagerServiceImpl* embed_root = nullptr; | |
| 169 | |
| 170 ServerView* view = GetView(view_id); | |
| 171 DCHECK(view); // CanEmbed() returns true only if |view_id| is valid. | |
| 172 if (view->id().connection_id == id_) { | |
| 173 view->set_allows_reembed(true); | |
| 174 | |
| 175 // Only consult the embed root if the creator is doing the embed. If someone | |
| 176 // other than the creator is doing the embed they were granted embed access. | |
| 177 embed_root = connection_manager_->GetEmbedRoot(this); | |
| 178 } | |
| 179 | |
| 180 if (!embed_root) { | |
| 181 PrepareForEmbed(view_id); | |
| 182 connection_manager_->EmbedAtView(id_, view_id, request.Pass()); | |
| 183 callback.Run(true); | |
| 184 return; | |
| 185 } | |
| 186 | |
| 187 // There is an embed root. We have to query it before completing the embed. | |
| 188 scoped_refptr<PendingEmbed> pending_embed(new PendingEmbed); | |
| 189 pending_embeds_.insert(pending_embed); | |
| 190 pending_embed->embed_root = embed_root; | |
| 191 pending_embed->view_id = view_id; | |
| 192 pending_embed->callback = callback; | |
| 193 pending_embeds_.insert(pending_embed); | |
| 194 embed_root->client()->OnEmbedForDescendant( | |
| 195 ViewIdToTransportId(view_id), request.Pass(), | |
| 196 base::Bind(&ViewManagerServiceImpl::OnEmbedForDescendantDone, | |
| 197 base::Unretained(this), pending_embed)); | |
| 198 } | |
| 199 | |
| 200 bool ViewManagerServiceImpl::Embed(const ViewId& view_id, | |
| 201 mojo::ViewManagerClientPtr client) { | |
| 202 if (!client.get() || !CanEmbed(view_id)) | |
| 203 return false; | |
| 204 PrepareForEmbed(view_id); | |
| 205 ::ignore_result( | |
| 206 connection_manager_->EmbedAtView(id_, view_id, client.Pass())); | |
| 207 return true; | |
| 208 } | |
| 209 | |
| 210 void ViewManagerServiceImpl::ProcessViewBoundsChanged( | |
| 211 const ServerView* view, | |
| 212 const gfx::Rect& old_bounds, | |
| 213 const gfx::Rect& new_bounds, | |
| 214 bool originated_change) { | |
| 215 if (originated_change || !IsViewKnown(view)) | |
| 216 return; | |
| 217 client()->OnViewBoundsChanged(ViewIdToTransportId(view->id()), | |
| 218 Rect::From(old_bounds), | |
| 219 Rect::From(new_bounds)); | |
| 220 } | |
| 221 | |
| 222 void ViewManagerServiceImpl::ProcessViewportMetricsChanged( | |
| 223 const mojo::ViewportMetrics& old_metrics, | |
| 224 const mojo::ViewportMetrics& new_metrics, | |
| 225 bool originated_change) { | |
| 226 client()->OnViewViewportMetricsChanged(old_metrics.Clone(), | |
| 227 new_metrics.Clone()); | |
| 228 } | |
| 229 | |
| 230 void ViewManagerServiceImpl::ProcessWillChangeViewHierarchy( | |
| 231 const ServerView* view, | |
| 232 const ServerView* new_parent, | |
| 233 const ServerView* old_parent, | |
| 234 bool originated_change) { | |
| 235 if (originated_change) | |
| 236 return; | |
| 237 | |
| 238 const bool old_drawn = view->IsDrawn(); | |
| 239 const bool new_drawn = view->visible() && new_parent && new_parent->IsDrawn(); | |
| 240 if (old_drawn == new_drawn) | |
| 241 return; | |
| 242 | |
| 243 NotifyDrawnStateChanged(view, new_drawn); | |
| 244 } | |
| 245 | |
| 246 void ViewManagerServiceImpl::ProcessViewPropertyChanged( | |
| 247 const ServerView* view, | |
| 248 const std::string& name, | |
| 249 const std::vector<uint8_t>* new_data, | |
| 250 bool originated_change) { | |
| 251 if (originated_change) | |
| 252 return; | |
| 253 | |
| 254 Array<uint8_t> data; | |
| 255 if (new_data) | |
| 256 data = Array<uint8_t>::From(*new_data); | |
| 257 | |
| 258 client()->OnViewSharedPropertyChanged(ViewIdToTransportId(view->id()), | |
| 259 String(name), data.Pass()); | |
| 260 } | |
| 261 | |
| 262 void ViewManagerServiceImpl::ProcessViewHierarchyChanged( | |
| 263 const ServerView* view, | |
| 264 const ServerView* new_parent, | |
| 265 const ServerView* old_parent, | |
| 266 bool originated_change) { | |
| 267 if (originated_change && !IsViewKnown(view) && new_parent && | |
| 268 IsViewKnown(new_parent)) { | |
| 269 std::vector<const ServerView*> unused; | |
| 270 GetUnknownViewsFrom(view, &unused); | |
| 271 } | |
| 272 if (originated_change || connection_manager_->is_processing_delete_view() || | |
| 273 connection_manager_->DidConnectionMessageClient(id_)) { | |
| 274 return; | |
| 275 } | |
| 276 | |
| 277 if (!access_policy_->ShouldNotifyOnHierarchyChange( | |
| 278 view, &new_parent, &old_parent)) { | |
| 279 return; | |
| 280 } | |
| 281 // Inform the client of any new views and update the set of views we know | |
| 282 // about. | |
| 283 std::vector<const ServerView*> to_send; | |
| 284 if (!IsViewKnown(view)) | |
| 285 GetUnknownViewsFrom(view, &to_send); | |
| 286 const ViewId new_parent_id(new_parent ? new_parent->id() : ViewId()); | |
| 287 const ViewId old_parent_id(old_parent ? old_parent->id() : ViewId()); | |
| 288 client()->OnViewHierarchyChanged(ViewIdToTransportId(view->id()), | |
| 289 ViewIdToTransportId(new_parent_id), | |
| 290 ViewIdToTransportId(old_parent_id), | |
| 291 ViewsToViewDatas(to_send)); | |
| 292 connection_manager_->OnConnectionMessagedClient(id_); | |
| 293 } | |
| 294 | |
| 295 void ViewManagerServiceImpl::ProcessViewReorder(const ServerView* view, | |
| 296 const ServerView* relative_view, | |
| 297 OrderDirection direction, | |
| 298 bool originated_change) { | |
| 299 if (originated_change || !IsViewKnown(view) || !IsViewKnown(relative_view)) | |
| 300 return; | |
| 301 | |
| 302 client()->OnViewReordered(ViewIdToTransportId(view->id()), | |
| 303 ViewIdToTransportId(relative_view->id()), | |
| 304 direction); | |
| 305 } | |
| 306 | |
| 307 void ViewManagerServiceImpl::ProcessViewDeleted(const ViewId& view, | |
| 308 bool originated_change) { | |
| 309 if (view.connection_id == id_) | |
| 310 view_map_.erase(view.view_id); | |
| 311 | |
| 312 const bool in_known = known_views_.erase(ViewIdToTransportId(view)) > 0; | |
| 313 | |
| 314 if (IsRoot(view)) | |
| 315 root_.reset(); | |
| 316 | |
| 317 InvalidatePendingEmbedForView(view); | |
| 318 | |
| 319 if (originated_change) | |
| 320 return; | |
| 321 | |
| 322 if (in_known) { | |
| 323 client()->OnViewDeleted(ViewIdToTransportId(view)); | |
| 324 connection_manager_->OnConnectionMessagedClient(id_); | |
| 325 } | |
| 326 } | |
| 327 | |
| 328 void ViewManagerServiceImpl::ProcessWillChangeViewVisibility( | |
| 329 const ServerView* view, | |
| 330 bool originated_change) { | |
| 331 if (originated_change) | |
| 332 return; | |
| 333 | |
| 334 if (IsViewKnown(view)) { | |
| 335 client()->OnViewVisibilityChanged(ViewIdToTransportId(view->id()), | |
| 336 !view->visible()); | |
| 337 return; | |
| 338 } | |
| 339 | |
| 340 bool view_target_drawn_state; | |
| 341 if (view->visible()) { | |
| 342 // View is being hidden, won't be drawn. | |
| 343 view_target_drawn_state = false; | |
| 344 } else { | |
| 345 // View is being shown. View will be drawn if its parent is drawn. | |
| 346 view_target_drawn_state = view->parent() && view->parent()->IsDrawn(); | |
| 347 } | |
| 348 | |
| 349 NotifyDrawnStateChanged(view, view_target_drawn_state); | |
| 350 } | |
| 351 | |
| 352 void ViewManagerServiceImpl::ProcessFocusChanged( | |
| 353 const ServerView* old_focused_view, | |
| 354 const ServerView* new_focused_view) { | |
| 355 const ServerView* view = | |
| 356 new_focused_view ? access_policy_->GetViewForFocusChange(new_focused_view) | |
| 357 : nullptr; | |
| 358 client()->OnViewFocused(view ? ViewIdToTransportId(view->id()) | |
| 359 : ViewIdToTransportId(ViewId())); | |
| 360 } | |
| 361 | |
| 362 bool ViewManagerServiceImpl::IsViewKnown(const ServerView* view) const { | |
| 363 return known_views_.count(ViewIdToTransportId(view->id())) > 0; | |
| 364 } | |
| 365 | |
| 366 bool ViewManagerServiceImpl::CanReorderView(const ServerView* view, | |
| 367 const ServerView* relative_view, | |
| 368 OrderDirection direction) const { | |
| 369 if (!view || !relative_view) | |
| 370 return false; | |
| 371 | |
| 372 if (!view->parent() || view->parent() != relative_view->parent()) | |
| 373 return false; | |
| 374 | |
| 375 if (!access_policy_->CanReorderView(view, relative_view, direction)) | |
| 376 return false; | |
| 377 | |
| 378 std::vector<const ServerView*> children = view->parent()->GetChildren(); | |
| 379 const size_t child_i = | |
| 380 std::find(children.begin(), children.end(), view) - children.begin(); | |
| 381 const size_t target_i = | |
| 382 std::find(children.begin(), children.end(), relative_view) - | |
| 383 children.begin(); | |
| 384 if ((direction == mojo::ORDER_DIRECTION_ABOVE && child_i == target_i + 1) || | |
| 385 (direction == mojo::ORDER_DIRECTION_BELOW && child_i + 1 == target_i)) { | |
| 386 return false; | |
| 387 } | |
| 388 | |
| 389 return true; | |
| 390 } | |
| 391 | |
| 392 bool ViewManagerServiceImpl::DeleteViewImpl(ViewManagerServiceImpl* source, | |
| 393 ServerView* view) { | |
| 394 DCHECK(view); | |
| 395 DCHECK_EQ(view->id().connection_id, id_); | |
| 396 ConnectionManager::ScopedChange change(source, connection_manager_, true); | |
| 397 delete view; | |
| 398 return true; | |
| 399 } | |
| 400 | |
| 401 void ViewManagerServiceImpl::GetUnknownViewsFrom( | |
| 402 const ServerView* view, | |
| 403 std::vector<const ServerView*>* views) { | |
| 404 if (IsViewKnown(view) || !access_policy_->CanGetViewTree(view)) | |
| 405 return; | |
| 406 views->push_back(view); | |
| 407 known_views_.insert(ViewIdToTransportId(view->id())); | |
| 408 if (!access_policy_->CanDescendIntoViewForViewTree(view)) | |
| 409 return; | |
| 410 std::vector<const ServerView*> children(view->GetChildren()); | |
| 411 for (size_t i = 0 ; i < children.size(); ++i) | |
| 412 GetUnknownViewsFrom(children[i], views); | |
| 413 } | |
| 414 | |
| 415 void ViewManagerServiceImpl::RemoveFromKnown( | |
| 416 const ServerView* view, | |
| 417 std::vector<ServerView*>* local_views) { | |
| 418 if (view->id().connection_id == id_) { | |
| 419 if (local_views) | |
| 420 local_views->push_back(GetView(view->id())); | |
| 421 return; | |
| 422 } | |
| 423 known_views_.erase(ViewIdToTransportId(view->id())); | |
| 424 std::vector<const ServerView*> children = view->GetChildren(); | |
| 425 for (size_t i = 0; i < children.size(); ++i) | |
| 426 RemoveFromKnown(children[i], local_views); | |
| 427 } | |
| 428 | |
| 429 void ViewManagerServiceImpl::RemoveRoot() { | |
| 430 CHECK(root_.get()); | |
| 431 const ViewId root_id(*root_); | |
| 432 root_.reset(); | |
| 433 // No need to do anything if we created the view. | |
| 434 if (root_id.connection_id == id_) | |
| 435 return; | |
| 436 | |
| 437 client()->OnUnembed(); | |
| 438 client()->OnViewDeleted(ViewIdToTransportId(root_id)); | |
| 439 connection_manager_->OnConnectionMessagedClient(id_); | |
| 440 | |
| 441 // This connection no longer knows about the view. Unparent any views that | |
| 442 // were parented to views in the root. | |
| 443 std::vector<ServerView*> local_views; | |
| 444 RemoveFromKnown(GetView(root_id), &local_views); | |
| 445 for (size_t i = 0; i < local_views.size(); ++i) | |
| 446 local_views[i]->parent()->Remove(local_views[i]); | |
| 447 } | |
| 448 | |
| 449 Array<ViewDataPtr> ViewManagerServiceImpl::ViewsToViewDatas( | |
| 450 const std::vector<const ServerView*>& views) { | |
| 451 Array<ViewDataPtr> array(views.size()); | |
| 452 for (size_t i = 0; i < views.size(); ++i) | |
| 453 array[i] = ViewToViewData(views[i]).Pass(); | |
| 454 return array.Pass(); | |
| 455 } | |
| 456 | |
| 457 ViewDataPtr ViewManagerServiceImpl::ViewToViewData(const ServerView* view) { | |
| 458 DCHECK(IsViewKnown(view)); | |
| 459 const ServerView* parent = view->parent(); | |
| 460 // If the parent isn't known, it means the parent is not visible to us (not | |
| 461 // in roots), and should not be sent over. | |
| 462 if (parent && !IsViewKnown(parent)) | |
| 463 parent = NULL; | |
| 464 ViewDataPtr view_data(mojo::ViewData::New()); | |
| 465 view_data->parent_id = ViewIdToTransportId(parent ? parent->id() : ViewId()); | |
| 466 view_data->view_id = ViewIdToTransportId(view->id()); | |
| 467 view_data->bounds = Rect::From(view->bounds()); | |
| 468 view_data->properties = | |
| 469 mojo::Map<String, Array<uint8_t>>::From(view->properties()); | |
| 470 view_data->visible = view->visible(); | |
| 471 view_data->drawn = view->IsDrawn(); | |
| 472 view_data->viewport_metrics = | |
| 473 connection_manager_->GetViewportMetricsForView(view); | |
| 474 return view_data.Pass(); | |
| 475 } | |
| 476 | |
| 477 void ViewManagerServiceImpl::GetViewTreeImpl( | |
| 478 const ServerView* view, | |
| 479 std::vector<const ServerView*>* views) const { | |
| 480 DCHECK(view); | |
| 481 | |
| 482 if (!access_policy_->CanGetViewTree(view)) | |
| 483 return; | |
| 484 | |
| 485 views->push_back(view); | |
| 486 | |
| 487 if (!access_policy_->CanDescendIntoViewForViewTree(view)) | |
| 488 return; | |
| 489 | |
| 490 std::vector<const ServerView*> children(view->GetChildren()); | |
| 491 for (size_t i = 0 ; i < children.size(); ++i) | |
| 492 GetViewTreeImpl(children[i], views); | |
| 493 } | |
| 494 | |
| 495 void ViewManagerServiceImpl::NotifyDrawnStateChanged(const ServerView* view, | |
| 496 bool new_drawn_value) { | |
| 497 // Even though we don't know about view, it may be an ancestor of our root, in | |
| 498 // which case the change may effect our roots drawn state. | |
| 499 if (!root_.get()) | |
| 500 return; | |
| 501 | |
| 502 const ServerView* root = GetView(*root_); | |
| 503 DCHECK(root); | |
| 504 if (view->Contains(root) && (new_drawn_value != root->IsDrawn())) { | |
| 505 client()->OnViewDrawnStateChanged(ViewIdToTransportId(root->id()), | |
| 506 new_drawn_value); | |
| 507 } | |
| 508 } | |
| 509 | |
| 510 void ViewManagerServiceImpl::DestroyViews() { | |
| 511 if (!view_map_.empty()) { | |
| 512 ConnectionManager::ScopedChange change(this, connection_manager_, true); | |
| 513 // If we get here from the destructor we're not going to get | |
| 514 // ProcessViewDeleted(). Copy the map and delete from the copy so that we | |
| 515 // don't have to worry about whether |view_map_| changes or not. | |
| 516 ViewMap view_map_copy; | |
| 517 view_map_.swap(view_map_copy); | |
| 518 STLDeleteValues(&view_map_copy); | |
| 519 } | |
| 520 } | |
| 521 | |
| 522 bool ViewManagerServiceImpl::CanEmbed(const ViewId& view_id) const { | |
| 523 const ServerView* view = GetView(view_id); | |
| 524 return view && access_policy_->CanEmbed(view); | |
| 525 } | |
| 526 | |
| 527 void ViewManagerServiceImpl::PrepareForEmbed(const ViewId& view_id) { | |
| 528 const ServerView* view = GetView(view_id); | |
| 529 DCHECK(view && access_policy_->CanEmbed(view)); | |
| 530 | |
| 531 // Only allow a node to be the root for one connection. | |
| 532 ViewManagerServiceImpl* existing_owner = | |
| 533 connection_manager_->GetConnectionWithRoot(view_id); | |
| 534 | |
| 535 ConnectionManager::ScopedChange change(this, connection_manager_, true); | |
| 536 RemoveChildrenAsPartOfEmbed(view_id); | |
| 537 if (existing_owner) { | |
| 538 // Never message the originating connection. | |
| 539 connection_manager_->OnConnectionMessagedClient(id_); | |
| 540 existing_owner->RemoveRoot(); | |
| 541 } | |
| 542 } | |
| 543 | |
| 544 void ViewManagerServiceImpl::RemoveChildrenAsPartOfEmbed( | |
| 545 const ViewId& view_id) { | |
| 546 ServerView* view = GetView(view_id); | |
| 547 CHECK(view); | |
| 548 CHECK(view->id().connection_id == view_id.connection_id); | |
| 549 std::vector<ServerView*> children = view->GetChildren(); | |
| 550 for (size_t i = 0; i < children.size(); ++i) | |
| 551 view->Remove(children[i]); | |
| 552 } | |
| 553 | |
| 554 void ViewManagerServiceImpl::OnEmbedForDescendantDone( | |
| 555 scoped_refptr<PendingEmbed> pending_embed, | |
| 556 mojo::ViewManagerClientPtr client) { | |
| 557 if (!pending_embeds_.count(pending_embed.get())) | |
| 558 return; | |
| 559 | |
| 560 const bool allow_embed = client.get() && CanEmbed(pending_embed->view_id); | |
| 561 if (allow_embed) { | |
| 562 PrepareForEmbed(pending_embed->view_id); | |
| 563 connection_manager_->EmbedAtView(id_, pending_embed->view_id, | |
| 564 client.Pass()); | |
| 565 } | |
| 566 RemovePendingEmbedAndNotifyCallback(pending_embed.get(), allow_embed); | |
| 567 } | |
| 568 | |
| 569 void ViewManagerServiceImpl::InvalidatePendingEmbedForConnection( | |
| 570 ViewManagerServiceImpl* connection) { | |
| 571 if (pending_embeds_.empty()) | |
| 572 return; | |
| 573 std::set<scoped_refptr<PendingEmbed>> copy(pending_embeds_); | |
| 574 for (auto& embed : copy) { | |
| 575 if (embed->embed_root == connection) | |
| 576 RemovePendingEmbedAndNotifyCallback(embed, false); | |
| 577 } | |
| 578 } | |
| 579 | |
| 580 void ViewManagerServiceImpl::InvalidatePendingEmbedForView( | |
| 581 const ViewId& view_id) { | |
| 582 if (pending_embeds_.empty()) | |
| 583 return; | |
| 584 std::set<scoped_refptr<PendingEmbed>> copy(pending_embeds_); | |
| 585 for (auto& embed : copy) { | |
| 586 if (embed->view_id == view_id) | |
| 587 RemovePendingEmbedAndNotifyCallback(embed, false); | |
| 588 } | |
| 589 } | |
| 590 | |
| 591 void ViewManagerServiceImpl::RemovePendingEmbedAndNotifyCallback( | |
| 592 scoped_refptr<PendingEmbed> embed, | |
| 593 bool success) { | |
| 594 pending_embeds_.erase(embed); | |
| 595 embed->callback.Run(success); | |
| 596 } | |
| 597 | |
| 598 void ViewManagerServiceImpl::CreateView( | |
| 599 Id transport_view_id, | |
| 600 const Callback<void(mojo::ErrorCode)>& callback) { | |
| 601 callback.Run(CreateView(ViewIdFromTransportId(transport_view_id))); | |
| 602 } | |
| 603 | |
| 604 void ViewManagerServiceImpl::DeleteView( | |
| 605 Id transport_view_id, | |
| 606 const Callback<void(bool)>& callback) { | |
| 607 ServerView* view = GetView(ViewIdFromTransportId(transport_view_id)); | |
| 608 bool success = false; | |
| 609 if (view && access_policy_->CanDeleteView(view)) { | |
| 610 ViewManagerServiceImpl* connection = | |
| 611 connection_manager_->GetConnection(view->id().connection_id); | |
| 612 success = connection && connection->DeleteViewImpl(this, view); | |
| 613 } | |
| 614 callback.Run(success); | |
| 615 } | |
| 616 | |
| 617 void ViewManagerServiceImpl::AddView( | |
| 618 Id parent_id, | |
| 619 Id child_id, | |
| 620 const Callback<void(bool)>& callback) { | |
| 621 callback.Run(AddView(ViewIdFromTransportId(parent_id), | |
| 622 ViewIdFromTransportId(child_id))); | |
| 623 } | |
| 624 | |
| 625 void ViewManagerServiceImpl::RemoveViewFromParent( | |
| 626 Id view_id, | |
| 627 const Callback<void(bool)>& callback) { | |
| 628 bool success = false; | |
| 629 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 630 if (view && view->parent() && access_policy_->CanRemoveViewFromParent(view)) { | |
| 631 success = true; | |
| 632 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 633 view->parent()->Remove(view); | |
| 634 } | |
| 635 callback.Run(success); | |
| 636 } | |
| 637 | |
| 638 void ViewManagerServiceImpl::ReorderView(Id view_id, | |
| 639 Id relative_view_id, | |
| 640 OrderDirection direction, | |
| 641 const Callback<void(bool)>& callback) { | |
| 642 bool success = false; | |
| 643 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 644 ServerView* relative_view = GetView(ViewIdFromTransportId(relative_view_id)); | |
| 645 if (CanReorderView(view, relative_view, direction)) { | |
| 646 success = true; | |
| 647 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 648 view->parent()->Reorder(view, relative_view, direction); | |
| 649 connection_manager_->ProcessViewReorder(view, relative_view, direction); | |
| 650 } | |
| 651 callback.Run(success); | |
| 652 } | |
| 653 | |
| 654 void ViewManagerServiceImpl::GetViewTree( | |
| 655 Id view_id, | |
| 656 const Callback<void(Array<ViewDataPtr>)>& callback) { | |
| 657 std::vector<const ServerView*> views( | |
| 658 GetViewTree(ViewIdFromTransportId(view_id))); | |
| 659 callback.Run(ViewsToViewDatas(views)); | |
| 660 } | |
| 661 | |
| 662 void ViewManagerServiceImpl::SetViewSurfaceId( | |
| 663 Id view_id, | |
| 664 mojo::SurfaceIdPtr surface_id, | |
| 665 const Callback<void(bool)>& callback) { | |
| 666 // TODO(sky): add coverage of not being able to set for random node. | |
| 667 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 668 if (!view || !access_policy_->CanSetViewSurfaceId(view)) { | |
| 669 callback.Run(false); | |
| 670 return; | |
| 671 } | |
| 672 view->SetSurfaceId(surface_id.To<cc::SurfaceId>()); | |
| 673 callback.Run(true); | |
| 674 } | |
| 675 | |
| 676 void ViewManagerServiceImpl::SetViewBounds( | |
| 677 Id view_id, | |
| 678 mojo::RectPtr bounds, | |
| 679 const Callback<void(bool)>& callback) { | |
| 680 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 681 const bool success = view && access_policy_->CanSetViewBounds(view); | |
| 682 if (success) { | |
| 683 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 684 view->SetBounds(bounds.To<gfx::Rect>()); | |
| 685 } | |
| 686 callback.Run(success); | |
| 687 } | |
| 688 | |
| 689 void ViewManagerServiceImpl::SetViewVisibility( | |
| 690 Id transport_view_id, | |
| 691 bool visible, | |
| 692 const Callback<void(bool)>& callback) { | |
| 693 callback.Run( | |
| 694 SetViewVisibility(ViewIdFromTransportId(transport_view_id), visible)); | |
| 695 } | |
| 696 | |
| 697 void ViewManagerServiceImpl::SetViewProperty( | |
| 698 uint32_t view_id, | |
| 699 const mojo::String& name, | |
| 700 mojo::Array<uint8_t> value, | |
| 701 const mojo::Callback<void(bool)>& callback) { | |
| 702 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 703 const bool success = view && access_policy_->CanSetViewProperties(view); | |
| 704 if (success) { | |
| 705 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 706 | |
| 707 if (value.is_null()) { | |
| 708 view->SetProperty(name, nullptr); | |
| 709 } else { | |
| 710 std::vector<uint8_t> data = value.To<std::vector<uint8_t>>(); | |
| 711 view->SetProperty(name, &data); | |
| 712 } | |
| 713 } | |
| 714 callback.Run(success); | |
| 715 } | |
| 716 | |
| 717 void ViewManagerServiceImpl::SetViewTextInputState( | |
| 718 uint32_t view_id, | |
| 719 mojo::TextInputStatePtr state) { | |
| 720 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 721 bool success = view && access_policy_->CanSetViewTextInputState(view); | |
| 722 if (success) | |
| 723 view->SetTextInputState(state.To<ui::TextInputState>()); | |
| 724 } | |
| 725 | |
| 726 void ViewManagerServiceImpl::SetImeVisibility(uint32_t view_id, | |
| 727 bool visible, | |
| 728 mojo::TextInputStatePtr state) { | |
| 729 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 730 bool success = view && access_policy_->CanSetViewTextInputState(view); | |
| 731 if (success) { | |
| 732 if (!state.is_null()) | |
| 733 view->SetTextInputState(state.To<ui::TextInputState>()); | |
| 734 connection_manager_->SetImeVisibility(view, visible); | |
| 735 } | |
| 736 } | |
| 737 | |
| 738 void ViewManagerServiceImpl::SetEmbedRoot() { | |
| 739 is_embed_root_ = true; | |
| 740 } | |
| 741 | |
| 742 void ViewManagerServiceImpl::Embed(mojo::Id transport_view_id, | |
| 743 mojo::ViewManagerClientPtr client, | |
| 744 const mojo::Callback<void(bool)>& callback) { | |
| 745 callback.Run(Embed(ViewIdFromTransportId(transport_view_id), client.Pass())); | |
| 746 } | |
| 747 | |
| 748 void ViewManagerServiceImpl::EmbedAllowingReembed( | |
| 749 mojo::Id transport_view_id, | |
| 750 mojo::URLRequestPtr request, | |
| 751 const mojo::Callback<void(bool)>& callback) { | |
| 752 EmbedAllowingReembed(ViewIdFromTransportId(transport_view_id), request.Pass(), | |
| 753 callback); | |
| 754 } | |
| 755 | |
| 756 void ViewManagerServiceImpl::SetFocus(uint32_t view_id, | |
| 757 const SetFocusCallback& callback) { | |
| 758 ServerView* view = GetView(ViewIdFromTransportId(view_id)); | |
| 759 bool success = view && view->IsDrawn() && access_policy_->CanSetFocus(view); | |
| 760 if (success) { | |
| 761 ConnectionManager::ScopedChange change(this, connection_manager_, false); | |
| 762 connection_manager_->SetFocusedView(view); | |
| 763 } | |
| 764 callback.Run(success); | |
| 765 } | |
| 766 | |
| 767 bool ViewManagerServiceImpl::IsRootForAccessPolicy(const ViewId& id) const { | |
| 768 return IsRoot(id); | |
| 769 } | |
| 770 | |
| 771 bool ViewManagerServiceImpl::IsViewKnownForAccessPolicy( | |
| 772 const ServerView* view) const { | |
| 773 return IsViewKnown(view); | |
| 774 } | |
| 775 | |
| 776 bool ViewManagerServiceImpl::IsViewRootOfAnotherConnectionForAccessPolicy( | |
| 777 const ServerView* view) const { | |
| 778 ViewManagerServiceImpl* connection = | |
| 779 connection_manager_->GetConnectionWithRoot(view->id()); | |
| 780 return connection && connection != this; | |
| 781 } | |
| 782 | |
| 783 bool ViewManagerServiceImpl::IsDescendantOfEmbedRoot(const ServerView* view) { | |
| 784 return is_embed_root_ && root_ && GetView(*root_)->Contains(view); | |
| 785 } | |
| 786 | |
| 787 } // namespace view_manager | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1314953002:
Rename ViewManagerService,ViewManagerClient -> ViewTree,ViewTreeClient (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master