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| 1 // Copyright 2015 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/web_view/frame.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <algorithm> | |
| 9 #include <utility> | |
| 10 | |
| 11 #include "base/auto_reset.h" | |
| 12 #include "base/bind.h" | |
| 13 #include "base/callback.h" | |
| 14 #include "base/stl_util.h" | |
| 15 #include "base/trace_event/trace_event.h" | |
| 16 #include "components/mus/public/cpp/window.h" | |
| 17 #include "components/mus/public/cpp/window_property.h" | |
| 18 #include "components/web_view/frame_tree.h" | |
| 19 #include "components/web_view/frame_tree_delegate.h" | |
| 20 #include "components/web_view/frame_user_data.h" | |
| 21 #include "components/web_view/frame_utils.h" | |
| 22 #include "mojo/common/url_type_converters.h" | |
| 23 #include "mojo/shell/public/interfaces/shell.mojom.h" | |
| 24 #include "url/gurl.h" | |
| 25 | |
| 26 using mus::Window; | |
| 27 | |
| 28 MUS_DECLARE_WINDOW_PROPERTY_TYPE(web_view::Frame*); | |
| 29 | |
| 30 namespace web_view { | |
| 31 | |
| 32 // Used to find the Frame associated with a Window. | |
| 33 MUS_DEFINE_LOCAL_WINDOW_PROPERTY_KEY(Frame*, kFrame, nullptr); | |
| 34 | |
| 35 namespace { | |
| 36 | |
| 37 const uint32_t kNoParentId = 0u; | |
| 38 const mus::ConnectionSpecificId kInvalidConnectionId = 0u; | |
| 39 | |
| 40 mojom::FrameDataPtr FrameToFrameData(const Frame* frame) { | |
| 41 mojom::FrameDataPtr frame_data(mojom::FrameData::New()); | |
| 42 frame_data->frame_id = frame->id(); | |
| 43 frame_data->parent_id = frame->parent() ? frame->parent()->id() : kNoParentId; | |
| 44 frame_data->client_properties = | |
| 45 mojo::Map<mojo::String, mojo::Array<uint8_t>>::From( | |
| 46 frame->client_properties()); | |
| 47 return frame_data; | |
| 48 } | |
| 49 | |
| 50 } // namespace | |
| 51 | |
| 52 struct Frame::FrameUserDataAndBinding { | |
| 53 scoped_ptr<FrameUserData> user_data; | |
| 54 scoped_ptr<mojo::Binding<mojom::Frame>> frame_binding; | |
| 55 }; | |
| 56 | |
| 57 Frame::Frame(FrameTree* tree, | |
| 58 Window* window, | |
| 59 uint32_t frame_id, | |
| 60 uint32_t app_id, | |
| 61 WindowOwnership window_ownership, | |
| 62 mojom::FrameClient* frame_client, | |
| 63 scoped_ptr<FrameUserData> user_data, | |
| 64 const ClientPropertyMap& client_properties) | |
| 65 : tree_(tree), | |
| 66 window_(nullptr), | |
| 67 embedded_connection_id_(kInvalidConnectionId), | |
| 68 id_(frame_id), | |
| 69 app_id_(app_id), | |
| 70 parent_(nullptr), | |
| 71 window_ownership_(window_ownership), | |
| 72 user_data_(std::move(user_data)), | |
| 73 frame_client_(frame_client), | |
| 74 loading_(false), | |
| 75 progress_(0.f), | |
| 76 client_properties_(client_properties), | |
| 77 waiting_for_on_will_navigate_ack_(false), | |
| 78 embed_weak_ptr_factory_(this), | |
| 79 navigate_weak_ptr_factory_(this) { | |
| 80 if (window) | |
| 81 SetWindow(window); | |
| 82 } | |
| 83 | |
| 84 Frame::~Frame() { | |
| 85 DVLOG(2) << "~Frame id=" << id_ << " this=" << this; | |
| 86 if (window_) | |
| 87 window_->RemoveObserver(this); | |
| 88 while (!children_.empty()) | |
| 89 delete children_[0]; | |
| 90 if (parent_) | |
| 91 parent_->Remove(this); | |
| 92 if (window_) { | |
| 93 window_->ClearLocalProperty(kFrame); | |
| 94 if (window_ownership_ == WindowOwnership::OWNS_WINDOW) | |
| 95 window_->Destroy(); | |
| 96 } | |
| 97 tree_->delegate_->DidDestroyFrame(this); | |
| 98 } | |
| 99 | |
| 100 void Frame::Init(Frame* parent, | |
| 101 mus::mojom::WindowTreeClientPtr window_tree_client, | |
| 102 mojo::InterfaceRequest<mojom::Frame> frame_request, | |
| 103 base::TimeTicks navigation_start_time) { | |
| 104 { | |
| 105 // Set the FrameClient to null so that we don't notify the client of the | |
| 106 // add before OnConnect(). | |
| 107 base::AutoReset<mojom::FrameClient*> frame_client_resetter(&frame_client_, | |
| 108 nullptr); | |
| 109 if (parent) | |
| 110 parent->Add(this); | |
| 111 } | |
| 112 | |
| 113 const ClientType client_type = frame_request.is_pending() | |
| 114 ? ClientType::NEW_CHILD_FRAME | |
| 115 : ClientType::EXISTING_FRAME_NEW_APP; | |
| 116 InitClient(client_type, nullptr, std::move(window_tree_client), | |
| 117 std::move(frame_request), navigation_start_time); | |
| 118 | |
| 119 tree_->delegate_->DidCreateFrame(this); | |
| 120 | |
| 121 DVLOG(2) << "Frame id=" << id_ << " parent=" << (parent_ ? parent_->id_ : 0) | |
| 122 << " app_id=" << app_id_ << " this=" << this; | |
| 123 } | |
| 124 | |
| 125 // static | |
| 126 Frame* Frame::FindFirstFrameAncestor(Window* window) { | |
| 127 while (window && !window->GetLocalProperty(kFrame)) | |
| 128 window = window->parent(); | |
| 129 return window ? window->GetLocalProperty(kFrame) : nullptr; | |
| 130 } | |
| 131 | |
| 132 const Frame* Frame::FindFrame(uint32_t id) const { | |
| 133 if (id == id_) | |
| 134 return this; | |
| 135 | |
| 136 for (const Frame* child : children_) { | |
| 137 const Frame* match = child->FindFrame(id); | |
| 138 if (match) | |
| 139 return match; | |
| 140 } | |
| 141 return nullptr; | |
| 142 } | |
| 143 | |
| 144 bool Frame::HasAncestor(const Frame* frame) const { | |
| 145 const Frame* current = this; | |
| 146 while (current && current != frame) | |
| 147 current = current->parent_; | |
| 148 return current == frame; | |
| 149 } | |
| 150 | |
| 151 bool Frame::IsLoading() const { | |
| 152 if (loading_) | |
| 153 return true; | |
| 154 for (const Frame* child : children_) { | |
| 155 if (child->IsLoading()) | |
| 156 return true; | |
| 157 } | |
| 158 return false; | |
| 159 } | |
| 160 | |
| 161 double Frame::GatherProgress(int* frame_count) const { | |
| 162 ++(*frame_count); | |
| 163 double progress = progress_; | |
| 164 for (const Frame* child : children_) | |
| 165 progress += child->GatherProgress(frame_count); | |
| 166 return progress_; | |
| 167 } | |
| 168 | |
| 169 void Frame::Find(int32_t request_id, | |
| 170 const mojo::String& search_text, | |
| 171 mojom::FindOptionsPtr options, | |
| 172 bool wrap_within_frame, | |
| 173 const FindCallback& callback) { | |
| 174 frame_client_->Find(request_id, search_text, std::move(options), | |
| 175 wrap_within_frame, callback); | |
| 176 } | |
| 177 | |
| 178 void Frame::StopFinding(bool clear_selection) { | |
| 179 frame_client_->StopFinding(clear_selection); | |
| 180 } | |
| 181 | |
| 182 void Frame::HighlightFindResults(int32_t request_id, | |
| 183 const mojo::String& search_text, | |
| 184 mojom::FindOptionsPtr options, | |
| 185 bool reset) { | |
| 186 frame_client_->HighlightFindResults(request_id, search_text, | |
| 187 std::move(options), reset); | |
| 188 } | |
| 189 | |
| 190 void Frame::StopHighlightingFindResults() { | |
| 191 frame_client_->StopHighlightingFindResults(); | |
| 192 } | |
| 193 | |
| 194 void Frame::InitClient(ClientType client_type, | |
| 195 scoped_ptr<FrameUserDataAndBinding> data_and_binding, | |
| 196 mus::mojom::WindowTreeClientPtr window_tree_client, | |
| 197 mojo::InterfaceRequest<mojom::Frame> frame_request, | |
| 198 base::TimeTicks navigation_start_time) { | |
| 199 if (client_type == ClientType::EXISTING_FRAME_NEW_APP && window_tree_client) { | |
| 200 embedded_connection_id_ = kInvalidConnectionId; | |
| 201 embed_weak_ptr_factory_.InvalidateWeakPtrs(); | |
| 202 window_->Embed( | |
| 203 std::move(window_tree_client), | |
| 204 mus::mojom::WindowTree::kAccessPolicyDefault, | |
| 205 base::Bind(&Frame::OnEmbedAck, embed_weak_ptr_factory_.GetWeakPtr())); | |
| 206 } | |
| 207 | |
| 208 if (client_type == ClientType::NEW_CHILD_FRAME) { | |
| 209 // Don't install an error handler. We allow for the target to only | |
| 210 // implement WindowTreeClient. | |
| 211 // This frame (and client) was created by an existing FrameClient. There | |
| 212 // is no need to send it OnConnect(). | |
| 213 frame_binding_.reset( | |
| 214 new mojo::Binding<mojom::Frame>(this, std::move(frame_request))); | |
| 215 frame_client_->OnConnect( | |
| 216 nullptr, tree_->change_id(), id_, mojom::WindowConnectType::USE_NEW, | |
| 217 mojo::Array<mojom::FrameDataPtr>(), | |
| 218 navigation_start_time.ToInternalValue(), | |
| 219 base::Bind(&OnConnectAck, base::Passed(&data_and_binding))); | |
| 220 } else { | |
| 221 std::vector<const Frame*> frames; | |
| 222 tree_->root()->BuildFrameTree(&frames); | |
| 223 | |
| 224 mojo::Array<mojom::FrameDataPtr> array(frames.size()); | |
| 225 for (size_t i = 0; i < frames.size(); ++i) | |
| 226 array[i] = FrameToFrameData(frames[i]); | |
| 227 | |
| 228 mojom::FramePtr frame_ptr; | |
| 229 // Don't install an error handler. We allow for the target to only | |
| 230 // implement WindowTreeClient. | |
| 231 frame_binding_.reset( | |
| 232 new mojo::Binding<mojom::Frame>(this, GetProxy(&frame_ptr))); | |
| 233 frame_client_->OnConnect( | |
| 234 std::move(frame_ptr), tree_->change_id(), id_, | |
| 235 client_type == ClientType::EXISTING_FRAME_SAME_APP | |
| 236 ? mojom::WindowConnectType::USE_EXISTING | |
| 237 : mojom::WindowConnectType::USE_NEW, | |
| 238 std::move(array), navigation_start_time.ToInternalValue(), | |
| 239 base::Bind(&OnConnectAck, base::Passed(&data_and_binding))); | |
| 240 tree_->delegate_->DidStartNavigation(this); | |
| 241 | |
| 242 // We need |embedded_connection_id_| is order to validate requests to | |
| 243 // create a child frame (OnCreatedFrame()). Pause incoming methods until | |
| 244 // we get the id to prevent race conditions. | |
| 245 if (embedded_connection_id_ == kInvalidConnectionId) | |
| 246 frame_binding_->PauseIncomingMethodCallProcessing(); | |
| 247 } | |
| 248 } | |
| 249 | |
| 250 // static | |
| 251 void Frame::OnConnectAck(scoped_ptr<FrameUserDataAndBinding> data_and_binding) { | |
| 252 } | |
| 253 | |
| 254 void Frame::ChangeClient(mojom::FrameClient* frame_client, | |
| 255 scoped_ptr<FrameUserData> user_data, | |
| 256 mus::mojom::WindowTreeClientPtr window_tree_client, | |
| 257 uint32_t app_id, | |
| 258 base::TimeTicks navigation_start_time) { | |
| 259 while (!children_.empty()) | |
| 260 delete children_[0]; | |
| 261 | |
| 262 ClientType client_type = !window_tree_client | |
| 263 ? ClientType::EXISTING_FRAME_SAME_APP | |
| 264 : ClientType::EXISTING_FRAME_NEW_APP; | |
| 265 scoped_ptr<FrameUserDataAndBinding> data_and_binding; | |
| 266 | |
| 267 if (client_type == ClientType::EXISTING_FRAME_SAME_APP) { | |
| 268 // See comment in InitClient() for details. | |
| 269 data_and_binding.reset(new FrameUserDataAndBinding); | |
| 270 data_and_binding->user_data = std::move(user_data_); | |
| 271 data_and_binding->frame_binding = std::move(frame_binding_); | |
| 272 } else { | |
| 273 loading_ = false; | |
| 274 progress_ = 0.f; | |
| 275 } | |
| 276 | |
| 277 user_data_ = std::move(user_data); | |
| 278 frame_client_ = frame_client; | |
| 279 frame_binding_.reset(); | |
| 280 app_id_ = app_id; | |
| 281 | |
| 282 InitClient(client_type, std::move(data_and_binding), | |
| 283 std::move(window_tree_client), nullptr, navigation_start_time); | |
| 284 } | |
| 285 | |
| 286 void Frame::OnEmbedAck(bool success, mus::ConnectionSpecificId connection_id) { | |
| 287 if (success) | |
| 288 embedded_connection_id_ = connection_id; | |
| 289 if (frame_binding_->is_bound()) | |
| 290 frame_binding_->ResumeIncomingMethodCallProcessing(); | |
| 291 } | |
| 292 | |
| 293 void Frame::OnWillNavigateAck( | |
| 294 mojom::FrameClient* frame_client, | |
| 295 scoped_ptr<FrameUserData> user_data, | |
| 296 mus::mojom::WindowTreeClientPtr window_tree_client, | |
| 297 uint32_t app_id, | |
| 298 base::TimeTicks navigation_start_time) { | |
| 299 DCHECK(waiting_for_on_will_navigate_ack_); | |
| 300 DVLOG(2) << "Frame::OnWillNavigateAck id=" << id_; | |
| 301 waiting_for_on_will_navigate_ack_ = false; | |
| 302 ChangeClient(frame_client, std::move(user_data), | |
| 303 std::move(window_tree_client), app_id, navigation_start_time); | |
| 304 if (pending_navigate_.get()) | |
| 305 StartNavigate(std::move(pending_navigate_)); | |
| 306 } | |
| 307 | |
| 308 void Frame::SetWindow(mus::Window* window) { | |
| 309 DCHECK(!window_); | |
| 310 DCHECK_EQ(id_, window->id()); | |
| 311 window_ = window; | |
| 312 window_->SetLocalProperty(kFrame, this); | |
| 313 window_->AddObserver(this); | |
| 314 if (pending_navigate_.get()) | |
| 315 StartNavigate(std::move(pending_navigate_)); | |
| 316 } | |
| 317 | |
| 318 void Frame::BuildFrameTree(std::vector<const Frame*>* frames) const { | |
| 319 frames->push_back(this); | |
| 320 for (const Frame* frame : children_) | |
| 321 frame->BuildFrameTree(frames); | |
| 322 } | |
| 323 | |
| 324 void Frame::Add(Frame* node) { | |
| 325 DCHECK(!node->parent_); | |
| 326 | |
| 327 node->parent_ = this; | |
| 328 children_.push_back(node); | |
| 329 | |
| 330 tree_->root()->NotifyAdded(this, node, tree_->AdvanceChangeID()); | |
| 331 } | |
| 332 | |
| 333 void Frame::Remove(Frame* node) { | |
| 334 DCHECK_EQ(node->parent_, this); | |
| 335 auto iter = std::find(children_.begin(), children_.end(), node); | |
| 336 DCHECK(iter != children_.end()); | |
| 337 node->parent_ = nullptr; | |
| 338 children_.erase(iter); | |
| 339 | |
| 340 tree_->root()->NotifyRemoved(this, node, tree_->AdvanceChangeID()); | |
| 341 } | |
| 342 | |
| 343 void Frame::StartNavigate(mojo::URLRequestPtr request) { | |
| 344 if (waiting_for_on_will_navigate_ack_) { | |
| 345 // We're waiting for OnWillNavigate(). We need to wait until that completes | |
| 346 // before attempting any other loads. | |
| 347 pending_navigate_ = std::move(request); | |
| 348 return; | |
| 349 } | |
| 350 | |
| 351 pending_navigate_.reset(); | |
| 352 | |
| 353 // We need a Window to navigate. When we get the Window we'll complete the | |
| 354 // navigation. | |
| 355 if (!window_) { | |
| 356 pending_navigate_ = std::move(request); | |
| 357 return; | |
| 358 } | |
| 359 | |
| 360 // Drop any pending navigation requests. | |
| 361 navigate_weak_ptr_factory_.InvalidateWeakPtrs(); | |
| 362 | |
| 363 DVLOG(2) << "Frame::StartNavigate id=" << id_ << " url=" << request->url; | |
| 364 | |
| 365 const GURL requested_url(request->url.get()); | |
| 366 base::TimeTicks navigation_start_time = | |
| 367 base::TimeTicks::FromInternalValue(request->originating_time_ticks); | |
| 368 tree_->delegate_->CanNavigateFrame( | |
| 369 this, std::move(request), | |
| 370 base::Bind(&Frame::OnCanNavigateFrame, | |
| 371 navigate_weak_ptr_factory_.GetWeakPtr(), requested_url, | |
| 372 navigation_start_time)); | |
| 373 } | |
| 374 | |
| 375 void Frame::OnCanNavigateFrame( | |
| 376 const GURL& url, | |
| 377 base::TimeTicks navigation_start_time, | |
| 378 uint32_t app_id, | |
| 379 mojom::FrameClient* frame_client, | |
| 380 scoped_ptr<FrameUserData> user_data, | |
| 381 mus::mojom::WindowTreeClientPtr window_tree_client) { | |
| 382 TRACE_EVENT1("web_view", "Frame::OnCanNavigateFrame", | |
| 383 "url", url.possibly_invalid_spec()); | |
| 384 | |
| 385 DVLOG(2) << "Frame::OnCanNavigateFrame id=" << id_ | |
| 386 << " equal=" << (AreAppIdsEqual(app_id, app_id_) ? "true" : "false"); | |
| 387 if (AreAppIdsEqual(app_id, app_id_)) { | |
| 388 // The app currently rendering the frame will continue rendering it. In this | |
| 389 // case we do not use the WindowTreeClient (because the app has a Window | |
| 390 // already | |
| 391 // and ends up reusing it). | |
| 392 DCHECK(!window_tree_client); | |
| 393 ChangeClient(frame_client, std::move(user_data), | |
| 394 std::move(window_tree_client), app_id, navigation_start_time); | |
| 395 } else { | |
| 396 waiting_for_on_will_navigate_ack_ = true; | |
| 397 DCHECK(window_tree_client); | |
| 398 // TODO(sky): url isn't correct here, it should be a security origin. | |
| 399 frame_client_->OnWillNavigate( | |
| 400 url.spec(), | |
| 401 base::Bind(&Frame::OnWillNavigateAck, base::Unretained(this), | |
| 402 frame_client, base::Passed(&user_data), | |
| 403 base::Passed(&window_tree_client), app_id, | |
| 404 navigation_start_time)); | |
| 405 } | |
| 406 } | |
| 407 | |
| 408 void Frame::NotifyAdded(const Frame* source, | |
| 409 const Frame* added_node, | |
| 410 uint32_t change_id) { | |
| 411 // |frame_client_| may be null during initial frame creation and parenting. | |
| 412 if (frame_client_) | |
| 413 frame_client_->OnFrameAdded(change_id, FrameToFrameData(added_node)); | |
| 414 | |
| 415 for (Frame* child : children_) | |
| 416 child->NotifyAdded(source, added_node, change_id); | |
| 417 } | |
| 418 | |
| 419 void Frame::NotifyRemoved(const Frame* source, | |
| 420 const Frame* removed_node, | |
| 421 uint32_t change_id) { | |
| 422 frame_client_->OnFrameRemoved(change_id, removed_node->id()); | |
| 423 | |
| 424 for (Frame* child : children_) | |
| 425 child->NotifyRemoved(source, removed_node, change_id); | |
| 426 } | |
| 427 | |
| 428 void Frame::NotifyClientPropertyChanged(const Frame* source, | |
| 429 const mojo::String& name, | |
| 430 const mojo::Array<uint8_t>& value) { | |
| 431 if (this != source) | |
| 432 frame_client_->OnFrameClientPropertyChanged(source->id(), name, | |
| 433 value.Clone()); | |
| 434 | |
| 435 for (Frame* child : children_) | |
| 436 child->NotifyClientPropertyChanged(source, name, value); | |
| 437 } | |
| 438 | |
| 439 void Frame::NotifyFrameLoadingStateChanged(const Frame* frame, bool loading) { | |
| 440 frame_client_->OnFrameLoadingStateChanged(frame->id(), loading); | |
| 441 } | |
| 442 | |
| 443 void Frame::NotifyDispatchFrameLoadEvent(const Frame* frame) { | |
| 444 frame_client_->OnDispatchFrameLoadEvent(frame->id()); | |
| 445 } | |
| 446 | |
| 447 void Frame::OnTreeChanged(const TreeChangeParams& params) { | |
| 448 if (params.new_parent && this == tree_->root()) { | |
| 449 Frame* child_frame = FindFrame(params.target->id()); | |
| 450 if (child_frame && !child_frame->window_) | |
| 451 child_frame->SetWindow(params.target); | |
| 452 } | |
| 453 } | |
| 454 | |
| 455 void Frame::OnWindowDestroying(mus::Window* window) { | |
| 456 if (parent_) | |
| 457 parent_->Remove(this); | |
| 458 | |
| 459 // Reset |window_ownership_| so we don't attempt to delete |window_| in the | |
| 460 // destructor. | |
| 461 window_ownership_ = WindowOwnership::DOESNT_OWN_WINDOW; | |
| 462 | |
| 463 if (tree_->root() == this) { | |
| 464 window_->RemoveObserver(this); | |
| 465 window_ = nullptr; | |
| 466 return; | |
| 467 } | |
| 468 | |
| 469 delete this; | |
| 470 } | |
| 471 | |
| 472 void Frame::OnWindowEmbeddedAppDisconnected(mus::Window* window) { | |
| 473 // See FrameTreeDelegate::OnWindowEmbeddedAppDisconnected() for details of | |
| 474 // when | |
| 475 // this happens. | |
| 476 // | |
| 477 // Currently we have no way to distinguish between the cases that lead to this | |
| 478 // being called, so we assume we can continue on. Continuing on is important | |
| 479 // for html as it's entirely possible for a page to create a frame, navigate | |
| 480 // to a bogus url and expect the frame to still exist. | |
| 481 tree_->delegate_->OnWindowEmbeddedInFrameDisconnected(this); | |
| 482 } | |
| 483 | |
| 484 void Frame::PostMessageEventToFrame(uint32_t target_frame_id, | |
| 485 mojom::HTMLMessageEventPtr event) { | |
| 486 // NOTE: |target_frame_id| is allowed to be from another connection. | |
| 487 Frame* target = tree_->root()->FindFrame(target_frame_id); | |
| 488 if (!target || target == this || | |
| 489 !tree_->delegate_->CanPostMessageEventToFrame(this, target, event.get())) | |
| 490 return; | |
| 491 | |
| 492 target->frame_client_->OnPostMessageEvent(id_, target_frame_id, | |
| 493 std::move(event)); | |
| 494 } | |
| 495 | |
| 496 void Frame::LoadingStateChanged(bool loading, double progress) { | |
| 497 bool loading_state_changed = loading_ != loading; | |
| 498 loading_ = loading; | |
| 499 progress_ = progress; | |
| 500 tree_->LoadingStateChanged(); | |
| 501 | |
| 502 if (loading_state_changed && parent_ && | |
| 503 !AreAppIdsEqual(app_id_, parent_->app_id_)) { | |
| 504 // We need to notify the parent if it is in a different app, so that it can | |
| 505 // keep track of this frame's loading state. If the parent is in the same | |
| 506 // app, we assume that the loading state is propagated directly within the | |
| 507 // app itself and no notification is needed from our side. | |
| 508 parent_->NotifyFrameLoadingStateChanged(this, loading_); | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 void Frame::TitleChanged(const mojo::String& title) { | |
| 513 // Only care about title changes on the root frame. | |
| 514 if (!parent_) | |
| 515 tree_->TitleChanged(title); | |
| 516 } | |
| 517 | |
| 518 void Frame::DidCommitProvisionalLoad() { | |
| 519 tree_->DidCommitProvisionalLoad(this); | |
| 520 } | |
| 521 | |
| 522 void Frame::SetClientProperty(const mojo::String& name, | |
| 523 mojo::Array<uint8_t> value) { | |
| 524 auto iter = client_properties_.find(name); | |
| 525 const bool already_in_map = (iter != client_properties_.end()); | |
| 526 if (value.is_null()) { | |
| 527 if (!already_in_map) | |
| 528 return; | |
| 529 client_properties_.erase(iter); | |
| 530 } else { | |
| 531 std::vector<uint8_t> as_vector(value.To<std::vector<uint8_t>>()); | |
| 532 if (already_in_map && iter->second == as_vector) | |
| 533 return; | |
| 534 client_properties_[name] = as_vector; | |
| 535 } | |
| 536 tree_->ClientPropertyChanged(this, name, value); | |
| 537 } | |
| 538 | |
| 539 void Frame::OnCreatedFrame( | |
| 540 mojo::InterfaceRequest<mojom::Frame> frame_request, | |
| 541 mojom::FrameClientPtr client, | |
| 542 uint32_t frame_id, | |
| 543 mojo::Map<mojo::String, mojo::Array<uint8_t>> client_properties) { | |
| 544 if ((frame_id >> 16) != embedded_connection_id_) { | |
| 545 // TODO(sky): kill connection here? | |
| 546 DVLOG(1) << "OnCreatedFrame supplied invalid frame id, expecting" | |
| 547 << embedded_connection_id_; | |
| 548 return; | |
| 549 } | |
| 550 | |
| 551 if (FindFrame(frame_id)) { | |
| 552 // TODO(sky): kill connection here? | |
| 553 DVLOG(1) << "OnCreatedFrame supplied id of existing frame."; | |
| 554 return; | |
| 555 } | |
| 556 | |
| 557 Frame* child_frame = tree_->CreateChildFrame( | |
| 558 this, std::move(frame_request), std::move(client), frame_id, app_id_, | |
| 559 client_properties.To<ClientPropertyMap>()); | |
| 560 child_frame->embedded_connection_id_ = embedded_connection_id_; | |
| 561 } | |
| 562 | |
| 563 void Frame::RequestNavigate(mojom::NavigationTargetType target_type, | |
| 564 uint32_t target_frame_id, | |
| 565 mojo::URLRequestPtr request) { | |
| 566 if (target_type == mojom::NavigationTargetType::EXISTING_FRAME) { | |
| 567 // |target_frame| is allowed to come from another connection. | |
| 568 Frame* target_frame = tree_->root()->FindFrame(target_frame_id); | |
| 569 if (!target_frame) { | |
| 570 DVLOG(1) << "RequestNavigate EXISTING_FRAME with no matching frame"; | |
| 571 return; | |
| 572 } | |
| 573 if (target_frame != tree_->root()) { | |
| 574 target_frame->StartNavigate(std::move(request)); | |
| 575 return; | |
| 576 } | |
| 577 // Else case if |target_frame| == root. Treat at top level request. | |
| 578 } | |
| 579 tree_->delegate_->NavigateTopLevel(this, std::move(request)); | |
| 580 } | |
| 581 | |
| 582 void Frame::DidNavigateLocally(const mojo::String& url) { | |
| 583 tree_->DidNavigateLocally(this, url.To<GURL>()); | |
| 584 } | |
| 585 | |
| 586 void Frame::DispatchLoadEventToParent() { | |
| 587 if (parent_ && !AreAppIdsEqual(app_id_, parent_->app_id_)) { | |
| 588 // Send notification to fire a load event in the parent, if the parent is in | |
| 589 // a different app. If the parent is in the same app, we assume that the app | |
| 590 // itself handles firing load event directly and no notification is needed | |
| 591 // from our side. | |
| 592 parent_->NotifyDispatchFrameLoadEvent(this); | |
| 593 } | |
| 594 } | |
| 595 | |
| 596 void Frame::OnFindInFrameCountUpdated(int32_t request_id, | |
| 597 int32_t count, | |
| 598 bool final_update) { | |
| 599 tree_->delegate_->OnFindInFrameCountUpdated(request_id, this, count, | |
| 600 final_update); | |
| 601 } | |
| 602 | |
| 603 void Frame::OnFindInPageSelectionUpdated(int32_t request_id, | |
| 604 int32_t active_match_ordinal) { | |
| 605 tree_->delegate_->OnFindInPageSelectionUpdated(request_id, this, | |
| 606 active_match_ordinal); | |
| 607 } | |
| 608 | |
| 609 } // namespace web_view | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1677293002:
Bye bye Mandoline (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master