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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Implements the Chrome Extensions WebNavigation API. | 5 // Implements the Chrome Extensions WebNavigation API. |
6 | 6 |
7 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h" | 7 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h" |
8 | 8 |
9 #include "base/lazy_instance.h" | 9 #include "base/lazy_instance.h" |
10 #include "chrome/browser/chrome_notification_types.h" | 10 #include "chrome/browser/chrome_notification_types.h" |
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264 navigation_state_.FrameHostCreated(new_host); | 264 navigation_state_.FrameHostCreated(new_host); |
265 } | 265 } |
266 | 266 |
267 void WebNavigationTabObserver::DidStartNavigation( | 267 void WebNavigationTabObserver::DidStartNavigation( |
268 content::NavigationHandle* navigation_handle) { | 268 content::NavigationHandle* navigation_handle) { |
269 if (navigation_handle->IsSamePage() || | 269 if (navigation_handle->IsSamePage() || |
270 !FrameNavigationState::IsValidUrl(navigation_handle->GetURL())) { | 270 !FrameNavigationState::IsValidUrl(navigation_handle->GetURL())) { |
271 return; | 271 return; |
272 } | 272 } |
273 | 273 |
274 helpers::DispatchOnBeforeNavigate(navigation_handle); | 274 pending_on_before_navigate_event_ = |
275 helpers::CreateOnBeforeNavigateEvent(navigation_handle); | |
276 | |
277 // Only dispatch the onBeforeNavigate event if the associated WebContents | |
278 // is already added to the tab strip. Otherwise the event should be delayed | |
279 // and sent after the addition, to preserve the ordering of events. | |
280 // | |
281 // TODO(nasko|devlin): This check is necessary because chrome::Navigate() | |
282 // begins the navigation before the sending the TAB_ADDED notification, and it | |
283 // is used an indication of that. It would be best if instead it was known | |
284 // when the tab was created and immediately sent the created event instead of | |
285 // waiting for the later TAB_ADDED notification, but this appears to work for | |
286 // now. | |
287 if (ExtensionTabUtil::GetTabById(ExtensionTabUtil::GetTabId(web_contents()), | |
288 web_contents()->GetBrowserContext(), false, | |
289 nullptr, nullptr, nullptr, nullptr)) { | |
290 DispatchCachedOnBeforeNavigate(); | |
291 } | |
275 } | 292 } |
276 | 293 |
277 void WebNavigationTabObserver::DidFinishNavigation( | 294 void WebNavigationTabObserver::DidFinishNavigation( |
278 content::NavigationHandle* navigation_handle) { | 295 content::NavigationHandle* navigation_handle) { |
296 // If there has been a DidStartNavigation call before the tab was ready to | |
297 // dispatch events, ensure that it is sent before processing the | |
298 // DidFinishNavigation. | |
299 // Note: This is exercised by WebNavigationApiTest.TargetBlankIncognito. | |
300 DispatchCachedOnBeforeNavigate(); | |
301 | |
279 if (navigation_handle->HasCommitted() && !navigation_handle->IsErrorPage()) { | 302 if (navigation_handle->HasCommitted() && !navigation_handle->IsErrorPage()) { |
280 HandleCommit(navigation_handle); | 303 HandleCommit(navigation_handle); |
281 return; | 304 return; |
282 } | 305 } |
283 | 306 |
284 HandleError(navigation_handle); | 307 HandleError(navigation_handle); |
285 } | 308 } |
286 | 309 |
287 void WebNavigationTabObserver::DocumentLoadedInFrame( | 310 void WebNavigationTabObserver::DocumentLoadedInFrame( |
288 content::RenderFrameHost* render_frame_host) { | 311 content::RenderFrameHost* render_frame_host) { |
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384 source_render_frame_host, | 407 source_render_frame_host, |
385 new_contents, | 408 new_contents, |
386 url); | 409 url); |
387 } | 410 } |
388 | 411 |
389 void WebNavigationTabObserver::WebContentsDestroyed() { | 412 void WebNavigationTabObserver::WebContentsDestroyed() { |
390 g_tab_observer.Get().erase(web_contents()); | 413 g_tab_observer.Get().erase(web_contents()); |
391 registrar_.RemoveAll(); | 414 registrar_.RemoveAll(); |
392 } | 415 } |
393 | 416 |
417 void WebNavigationTabObserver::DispatchCachedOnBeforeNavigate() { | |
418 if (!pending_on_before_navigate_event_.get()) | |
alexmos
2016/12/03 00:03:46
nit: .get() is not needed
nasko
2016/12/03 00:19:03
Done.
| |
419 return; | |
420 | |
421 EventRouter::Get(web_contents()->GetBrowserContext()) | |
422 ->BroadcastEvent(std::move(pending_on_before_navigate_event_)); | |
423 } | |
424 | |
394 void WebNavigationTabObserver::HandleCommit( | 425 void WebNavigationTabObserver::HandleCommit( |
395 content::NavigationHandle* navigation_handle) { | 426 content::NavigationHandle* navigation_handle) { |
396 bool is_reference_fragment_navigation = IsReferenceFragmentNavigation( | 427 bool is_reference_fragment_navigation = IsReferenceFragmentNavigation( |
397 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL()); | 428 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL()); |
398 | 429 |
399 navigation_state_.StartTrackingDocumentLoad( | 430 navigation_state_.StartTrackingDocumentLoad( |
400 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL(), | 431 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL(), |
401 navigation_handle->IsSamePage(), | 432 navigation_handle->IsSamePage(), |
402 false, // is_error_page | 433 false, // is_error_page |
403 navigation_handle->IsSrcdoc()); | 434 navigation_handle->IsSrcdoc()); |
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560 return g_factory.Pointer(); | 591 return g_factory.Pointer(); |
561 } | 592 } |
562 | 593 |
563 void WebNavigationAPI::OnListenerAdded(const EventListenerInfo& details) { | 594 void WebNavigationAPI::OnListenerAdded(const EventListenerInfo& details) { |
564 web_navigation_event_router_.reset(new WebNavigationEventRouter( | 595 web_navigation_event_router_.reset(new WebNavigationEventRouter( |
565 Profile::FromBrowserContext(browser_context_))); | 596 Profile::FromBrowserContext(browser_context_))); |
566 EventRouter::Get(browser_context_)->UnregisterObserver(this); | 597 EventRouter::Get(browser_context_)->UnregisterObserver(this); |
567 } | 598 } |
568 | 599 |
569 } // namespace extensions | 600 } // namespace extensions |
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