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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 if (ExtensionTabUtil::GetTabById(ExtensionTabUtil::GetTabId(web_contents()), |
| 281 web_contents()->GetBrowserContext(), false, |
| 282 nullptr, nullptr, nullptr, nullptr)) { |
| 283 DispatchCachedOnBeforeNavigate(); |
| 284 } |
275 } | 285 } |
276 | 286 |
277 void WebNavigationTabObserver::DidFinishNavigation( | 287 void WebNavigationTabObserver::DidFinishNavigation( |
278 content::NavigationHandle* navigation_handle) { | 288 content::NavigationHandle* navigation_handle) { |
| 289 // If there has been a DidStartNavigation call before the tab was ready to |
| 290 // dispatch events, ensure that it is sent before processing the |
| 291 // DidFinishNavigation. |
| 292 // Note: This is exercised by WebNavigationApiTest.TargetBlankIncognito. |
| 293 DispatchCachedOnBeforeNavigate(); |
| 294 |
279 if (navigation_handle->HasCommitted() && !navigation_handle->IsErrorPage()) { | 295 if (navigation_handle->HasCommitted() && !navigation_handle->IsErrorPage()) { |
280 HandleCommit(navigation_handle); | 296 HandleCommit(navigation_handle); |
281 return; | 297 return; |
282 } | 298 } |
283 | 299 |
284 HandleError(navigation_handle); | 300 HandleError(navigation_handle); |
285 } | 301 } |
286 | 302 |
287 void WebNavigationTabObserver::DocumentLoadedInFrame( | 303 void WebNavigationTabObserver::DocumentLoadedInFrame( |
288 content::RenderFrameHost* render_frame_host) { | 304 content::RenderFrameHost* render_frame_host) { |
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384 source_render_frame_host, | 400 source_render_frame_host, |
385 new_contents, | 401 new_contents, |
386 url); | 402 url); |
387 } | 403 } |
388 | 404 |
389 void WebNavigationTabObserver::WebContentsDestroyed() { | 405 void WebNavigationTabObserver::WebContentsDestroyed() { |
390 g_tab_observer.Get().erase(web_contents()); | 406 g_tab_observer.Get().erase(web_contents()); |
391 registrar_.RemoveAll(); | 407 registrar_.RemoveAll(); |
392 } | 408 } |
393 | 409 |
| 410 void WebNavigationTabObserver::DispatchCachedOnBeforeNavigate() { |
| 411 if (!pending_on_before_navigate_event_.get()) |
| 412 return; |
| 413 |
| 414 EventRouter::Get(web_contents()->GetBrowserContext()) |
| 415 ->BroadcastEvent(std::move(pending_on_before_navigate_event_)); |
| 416 } |
| 417 |
394 void WebNavigationTabObserver::HandleCommit( | 418 void WebNavigationTabObserver::HandleCommit( |
395 content::NavigationHandle* navigation_handle) { | 419 content::NavigationHandle* navigation_handle) { |
396 bool is_reference_fragment_navigation = IsReferenceFragmentNavigation( | 420 bool is_reference_fragment_navigation = IsReferenceFragmentNavigation( |
397 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL()); | 421 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL()); |
398 | 422 |
399 navigation_state_.StartTrackingDocumentLoad( | 423 navigation_state_.StartTrackingDocumentLoad( |
400 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL(), | 424 navigation_handle->GetRenderFrameHost(), navigation_handle->GetURL(), |
401 navigation_handle->IsSamePage(), | 425 navigation_handle->IsSamePage(), |
402 false, // is_error_page | 426 false, // is_error_page |
403 navigation_handle->IsSrcdoc()); | 427 navigation_handle->IsSrcdoc()); |
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560 return g_factory.Pointer(); | 584 return g_factory.Pointer(); |
561 } | 585 } |
562 | 586 |
563 void WebNavigationAPI::OnListenerAdded(const EventListenerInfo& details) { | 587 void WebNavigationAPI::OnListenerAdded(const EventListenerInfo& details) { |
564 web_navigation_event_router_.reset(new WebNavigationEventRouter( | 588 web_navigation_event_router_.reset(new WebNavigationEventRouter( |
565 Profile::FromBrowserContext(browser_context_))); | 589 Profile::FromBrowserContext(browser_context_))); |
566 EventRouter::Get(browser_context_)->UnregisterObserver(this); | 590 EventRouter::Get(browser_context_)->UnregisterObserver(this); |
567 } | 591 } |
568 | 592 |
569 } // namespace extensions | 593 } // namespace extensions |
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