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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 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/frame_host/navigation_handle_impl.h" | 5 #include "content/browser/frame_host/navigation_handle_impl.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
| 9 #include "content/browser/frame_host/ancestor_throttle.h" |
9 #include "content/browser/frame_host/frame_tree_node.h" | 10 #include "content/browser/frame_host/frame_tree_node.h" |
10 #include "content/browser/frame_host/navigator.h" | 11 #include "content/browser/frame_host/navigator.h" |
11 #include "content/browser/frame_host/navigator_delegate.h" | 12 #include "content/browser/frame_host/navigator_delegate.h" |
12 #include "content/browser/service_worker/service_worker_context_wrapper.h" | 13 #include "content/browser/service_worker/service_worker_context_wrapper.h" |
13 #include "content/browser/service_worker/service_worker_navigation_handle.h" | 14 #include "content/browser/service_worker/service_worker_navigation_handle.h" |
14 #include "content/common/frame_messages.h" | 15 #include "content/common/frame_messages.h" |
15 #include "content/public/browser/content_browser_client.h" | 16 #include "content/public/browser/content_browser_client.h" |
16 #include "content/public/common/browser_side_navigation_policy.h" | 17 #include "content/public/common/browser_side_navigation_policy.h" |
17 #include "content/public/common/content_client.h" | 18 #include "content/public/common/content_client.h" |
18 #include "net/url_request/redirect_info.h" | 19 #include "net/url_request/redirect_info.h" |
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164 CHECK_NE(INITIAL, state_) | 165 CHECK_NE(INITIAL, state_) |
165 << "This accessor should not be called before the request is started."; | 166 << "This accessor should not be called before the request is started."; |
166 return is_external_protocol_; | 167 return is_external_protocol_; |
167 } | 168 } |
168 | 169 |
169 net::Error NavigationHandleImpl::GetNetErrorCode() { | 170 net::Error NavigationHandleImpl::GetNetErrorCode() { |
170 return net_error_code_; | 171 return net_error_code_; |
171 } | 172 } |
172 | 173 |
173 RenderFrameHostImpl* NavigationHandleImpl::GetRenderFrameHost() { | 174 RenderFrameHostImpl* NavigationHandleImpl::GetRenderFrameHost() { |
174 CHECK(state_ >= READY_TO_COMMIT) | 175 CHECK_GE(state_, WILL_PROCESS_RESPONSE) |
175 << "This accessor should only be called " | 176 << "This accessor should only be called " |
176 "after the navigation is ready to commit."; | 177 "after a response has been received."; |
177 return render_frame_host_; | 178 return render_frame_host_; |
178 } | 179 } |
179 | 180 |
180 bool NavigationHandleImpl::IsSamePage() { | 181 bool NavigationHandleImpl::IsSamePage() { |
181 DCHECK(state_ == DID_COMMIT || state_ == DID_COMMIT_ERROR_PAGE) | 182 DCHECK(state_ == DID_COMMIT || state_ == DID_COMMIT_ERROR_PAGE) |
182 << "This accessor should not be called before the navigation has " | 183 << "This accessor should not be called before the navigation has " |
183 "committed."; | 184 "committed."; |
184 return is_same_page_; | 185 return is_same_page_; |
185 } | 186 } |
186 | 187 |
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285 // Update the navigation parameters. | 286 // Update the navigation parameters. |
286 method_ = method; | 287 method_ = method; |
287 sanitized_referrer_ = sanitized_referrer; | 288 sanitized_referrer_ = sanitized_referrer; |
288 has_user_gesture_ = has_user_gesture; | 289 has_user_gesture_ = has_user_gesture; |
289 transition_ = transition; | 290 transition_ = transition; |
290 is_external_protocol_ = is_external_protocol; | 291 is_external_protocol_ = is_external_protocol; |
291 | 292 |
292 state_ = WILL_SEND_REQUEST; | 293 state_ = WILL_SEND_REQUEST; |
293 complete_callback_ = callback; | 294 complete_callback_ = callback; |
294 | 295 |
295 // Register the navigation throttles. The ScopedVector returned by | 296 // Register the platform's navigation throttles. |
296 // GetNavigationThrottles is not assigned to throttles_ directly because it | 297 std::unique_ptr<content::NavigationThrottle> ancestor_throttle = |
297 // would overwrite any throttle previously added with | 298 content::AncestorThrottle::MaybeCreateThrottleFor(this); |
298 // RegisterThrottleForTesting. | 299 if (ancestor_throttle) |
| 300 throttles_.push_back(std::move(ancestor_throttle)); |
| 301 |
| 302 // Register the embedder's navigation throttles. |
299 ScopedVector<NavigationThrottle> throttles_to_register = | 303 ScopedVector<NavigationThrottle> throttles_to_register = |
300 GetContentClient()->browser()->CreateThrottlesForNavigation(this); | 304 GetContentClient()->browser()->CreateThrottlesForNavigation(this); |
301 if (throttles_to_register.size() > 0) { | 305 if (throttles_to_register.size() > 0) { |
302 throttles_.insert(throttles_.end(), throttles_to_register.begin(), | 306 throttles_.insert(throttles_.end(), throttles_to_register.begin(), |
303 throttles_to_register.end()); | 307 throttles_to_register.end()); |
304 throttles_to_register.weak_clear(); | 308 throttles_to_register.weak_clear(); |
305 } | 309 } |
306 | 310 |
307 // Notify each throttle of the request. | 311 // Notify each throttle of the request. |
308 NavigationThrottle::ThrottleCheckResult result = CheckWillStartRequest(); | 312 NavigationThrottle::ThrottleCheckResult result = CheckWillStartRequest(); |
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405 case NavigationThrottle::CANCEL: | 409 case NavigationThrottle::CANCEL: |
406 case NavigationThrottle::CANCEL_AND_IGNORE: | 410 case NavigationThrottle::CANCEL_AND_IGNORE: |
407 state_ = CANCELING; | 411 state_ = CANCELING; |
408 return result; | 412 return result; |
409 | 413 |
410 case NavigationThrottle::DEFER: | 414 case NavigationThrottle::DEFER: |
411 state_ = DEFERRING_START; | 415 state_ = DEFERRING_START; |
412 next_index_ = i + 1; | 416 next_index_ = i + 1; |
413 return result; | 417 return result; |
414 | 418 |
415 default: | 419 case NavigationThrottle::BLOCK_RESPONSE: |
416 NOTREACHED(); | 420 NOTREACHED(); |
417 } | 421 } |
418 } | 422 } |
419 next_index_ = 0; | 423 next_index_ = 0; |
420 state_ = WILL_SEND_REQUEST; | 424 state_ = WILL_SEND_REQUEST; |
421 return NavigationThrottle::PROCEED; | 425 return NavigationThrottle::PROCEED; |
422 } | 426 } |
423 | 427 |
424 NavigationThrottle::ThrottleCheckResult | 428 NavigationThrottle::ThrottleCheckResult |
425 NavigationHandleImpl::CheckWillRedirectRequest() { | 429 NavigationHandleImpl::CheckWillRedirectRequest() { |
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436 case NavigationThrottle::CANCEL: | 440 case NavigationThrottle::CANCEL: |
437 case NavigationThrottle::CANCEL_AND_IGNORE: | 441 case NavigationThrottle::CANCEL_AND_IGNORE: |
438 state_ = CANCELING; | 442 state_ = CANCELING; |
439 return result; | 443 return result; |
440 | 444 |
441 case NavigationThrottle::DEFER: | 445 case NavigationThrottle::DEFER: |
442 state_ = DEFERRING_REDIRECT; | 446 state_ = DEFERRING_REDIRECT; |
443 next_index_ = i + 1; | 447 next_index_ = i + 1; |
444 return result; | 448 return result; |
445 | 449 |
446 default: | 450 case NavigationThrottle::BLOCK_RESPONSE: |
447 NOTREACHED(); | 451 NOTREACHED(); |
448 } | 452 } |
449 } | 453 } |
450 next_index_ = 0; | 454 next_index_ = 0; |
451 state_ = WILL_REDIRECT_REQUEST; | 455 state_ = WILL_REDIRECT_REQUEST; |
452 | 456 |
453 // Notify the delegate that a redirect was encountered and will be followed. | 457 // Notify the delegate that a redirect was encountered and will be followed. |
454 if (GetDelegate()) | 458 if (GetDelegate()) |
455 GetDelegate()->DidRedirectNavigation(this); | 459 GetDelegate()->DidRedirectNavigation(this); |
456 | 460 |
457 return NavigationThrottle::PROCEED; | 461 return NavigationThrottle::PROCEED; |
458 } | 462 } |
459 | 463 |
460 NavigationThrottle::ThrottleCheckResult | 464 NavigationThrottle::ThrottleCheckResult |
461 NavigationHandleImpl::CheckWillProcessResponse() { | 465 NavigationHandleImpl::CheckWillProcessResponse() { |
462 DCHECK(state_ == WILL_PROCESS_RESPONSE || state_ == DEFERRING_RESPONSE); | 466 DCHECK(state_ == WILL_PROCESS_RESPONSE || state_ == DEFERRING_RESPONSE); |
463 DCHECK(state_ != WILL_PROCESS_RESPONSE || next_index_ == 0); | 467 DCHECK(state_ != WILL_PROCESS_RESPONSE || next_index_ == 0); |
464 DCHECK(state_ != DEFERRING_RESPONSE || next_index_ != 0); | 468 DCHECK(state_ != DEFERRING_RESPONSE || next_index_ != 0); |
465 for (size_t i = next_index_; i < throttles_.size(); ++i) { | 469 for (size_t i = next_index_; i < throttles_.size(); ++i) { |
466 NavigationThrottle::ThrottleCheckResult result = | 470 NavigationThrottle::ThrottleCheckResult result = |
467 throttles_[i]->WillProcessResponse(); | 471 throttles_[i]->WillProcessResponse(); |
468 switch (result) { | 472 switch (result) { |
469 case NavigationThrottle::PROCEED: | 473 case NavigationThrottle::PROCEED: |
470 continue; | 474 continue; |
471 | 475 |
| 476 case NavigationThrottle::BLOCK_RESPONSE: |
472 case NavigationThrottle::CANCEL: | 477 case NavigationThrottle::CANCEL: |
473 case NavigationThrottle::CANCEL_AND_IGNORE: | 478 case NavigationThrottle::CANCEL_AND_IGNORE: |
474 state_ = CANCELING; | 479 state_ = CANCELING; |
475 return result; | 480 return result; |
476 | 481 |
477 case NavigationThrottle::DEFER: | 482 case NavigationThrottle::DEFER: |
478 state_ = DEFERRING_RESPONSE; | 483 state_ = DEFERRING_RESPONSE; |
479 next_index_ = i + 1; | 484 next_index_ = i + 1; |
480 return result; | 485 return result; |
481 } | 486 } |
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493 complete_callback_.Reset(); | 498 complete_callback_.Reset(); |
494 | 499 |
495 if (!callback.is_null()) | 500 if (!callback.is_null()) |
496 callback.Run(result); | 501 callback.Run(result); |
497 | 502 |
498 // No code after running the callback, as it might have resulted in our | 503 // No code after running the callback, as it might have resulted in our |
499 // destruction. | 504 // destruction. |
500 } | 505 } |
501 | 506 |
502 } // namespace content | 507 } // namespace content |
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