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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 #include "content/browser/web_contents/web_contents_impl.h" | 5 #include "content/browser/web_contents/web_contents_impl.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
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113 #endif | 113 #endif |
114 | 114 |
115 #if defined(OS_MACOSX) | 115 #if defined(OS_MACOSX) |
116 #include "base/mac/foundation_util.h" | 116 #include "base/mac/foundation_util.h" |
117 #endif | 117 #endif |
118 | 118 |
119 namespace content { | 119 namespace content { |
120 namespace { | 120 namespace { |
121 | 121 |
122 const int kMinimumDelayBetweenLoadingUpdatesMS = 100; | 122 const int kMinimumDelayBetweenLoadingUpdatesMS = 100; |
123 | |
124 // This matches what Blink's ProgressTracker has traditionally used for a | |
125 // minimum progress value. | |
126 const double kMinimumLoadingProgress = 0.1; | |
127 | |
128 const char kDotGoogleDotCom[] = ".google.com"; | 123 const char kDotGoogleDotCom[] = ".google.com"; |
129 | 124 |
130 #if defined(OS_ANDROID) | 125 #if defined(OS_ANDROID) |
131 const char kWebContentsAndroidKey[] = "web_contents_android"; | 126 const char kWebContentsAndroidKey[] = "web_contents_android"; |
132 #endif // OS_ANDROID | 127 #endif // OS_ANDROID |
133 | 128 |
134 base::LazyInstance<std::vector<WebContentsImpl::CreatedCallback> > | 129 base::LazyInstance<std::vector<WebContentsImpl::CreatedCallback> > |
135 g_created_callbacks = LAZY_INSTANCE_INITIALIZER; | 130 g_created_callbacks = LAZY_INSTANCE_INITIALIZER; |
136 | 131 |
137 static int StartDownload(RenderFrameHost* rfh, | 132 static int StartDownload(RenderFrameHost* rfh, |
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156 } | 151 } |
157 | 152 |
158 // Helper function for retrieving all the sites in a frame tree. | 153 // Helper function for retrieving all the sites in a frame tree. |
159 bool CollectSites(BrowserContext* context, | 154 bool CollectSites(BrowserContext* context, |
160 std::set<GURL>* sites, | 155 std::set<GURL>* sites, |
161 FrameTreeNode* node) { | 156 FrameTreeNode* node) { |
162 sites->insert(SiteInstance::GetSiteForURL(context, node->current_url())); | 157 sites->insert(SiteInstance::GetSiteForURL(context, node->current_url())); |
163 return true; | 158 return true; |
164 } | 159 } |
165 | 160 |
161 // Helper function used with FrameTree::ForEach() for retrieving the total | |
162 // loading progress and number of frames in a frame tree. | |
163 bool CollectLoadProgress(double* progress, | |
164 int* frame_count, | |
165 FrameTreeNode* node) { | |
166 *progress += node->GetLoadingProgress(); | |
167 (*frame_count)++; | |
168 return true; | |
169 } | |
170 | |
171 // Helper function used with FrameTree::ForEach() to check if at least one of | |
172 // the nodes is loading. | |
173 bool IsNodeLoading(bool* is_loading, FrameTreeNode* node) { | |
174 if (node->IsLoading()) { | |
175 // There is at least one node loading, so abort traversal. | |
176 *is_loading = true; | |
177 return false; | |
178 } | |
179 return true; | |
180 } | |
181 | |
166 bool ForEachFrameInternal( | 182 bool ForEachFrameInternal( |
167 const base::Callback<void(RenderFrameHost*)>& on_frame, | 183 const base::Callback<void(RenderFrameHost*)>& on_frame, |
168 FrameTreeNode* node) { | 184 FrameTreeNode* node) { |
169 on_frame.Run(node->current_frame_host()); | 185 on_frame.Run(node->current_frame_host()); |
170 return true; | 186 return true; |
171 } | 187 } |
172 | 188 |
173 bool ForEachPendingFrameInternal( | 189 bool ForEachPendingFrameInternal( |
174 const base::Callback<void(RenderFrameHost*)>& on_frame, | 190 const base::Callback<void(RenderFrameHost*)>& on_frame, |
175 FrameTreeNode* node) { | 191 FrameTreeNode* node) { |
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326 this, | 342 this, |
327 this, | 343 this, |
328 this), | 344 this), |
329 is_loading_(false), | 345 is_loading_(false), |
330 is_load_to_different_document_(false), | 346 is_load_to_different_document_(false), |
331 crashed_status_(base::TERMINATION_STATUS_STILL_RUNNING), | 347 crashed_status_(base::TERMINATION_STATUS_STILL_RUNNING), |
332 crashed_error_code_(0), | 348 crashed_error_code_(0), |
333 waiting_for_response_(false), | 349 waiting_for_response_(false), |
334 load_state_(net::LOAD_STATE_IDLE, base::string16()), | 350 load_state_(net::LOAD_STATE_IDLE, base::string16()), |
335 loading_total_progress_(0.0), | 351 loading_total_progress_(0.0), |
336 loading_frames_in_progress_(0), | |
337 upload_size_(0), | 352 upload_size_(0), |
338 upload_position_(0), | 353 upload_position_(0), |
339 displayed_insecure_content_(false), | 354 displayed_insecure_content_(false), |
340 has_accessed_initial_document_(false), | 355 has_accessed_initial_document_(false), |
341 capturer_count_(0), | 356 capturer_count_(0), |
342 should_normally_be_visible_(true), | 357 should_normally_be_visible_(true), |
343 is_being_destroyed_(false), | 358 is_being_destroyed_(false), |
344 notify_disconnection_(false), | 359 notify_disconnection_(false), |
345 dialog_manager_(NULL), | 360 dialog_manager_(NULL), |
346 is_showing_before_unload_dialog_(false), | 361 is_showing_before_unload_dialog_(false), |
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2823 FOR_EACH_OBSERVER( | 2838 FOR_EACH_OBSERVER( |
2824 WebContentsObserver, observers_, DidFinishLoad(rfh, validated_url)); | 2839 WebContentsObserver, observers_, DidFinishLoad(rfh, validated_url)); |
2825 } | 2840 } |
2826 | 2841 |
2827 void WebContentsImpl::OnDidStartLoading(bool to_different_document) { | 2842 void WebContentsImpl::OnDidStartLoading(bool to_different_document) { |
2828 if (!HasValidFrameSource()) | 2843 if (!HasValidFrameSource()) |
2829 return; | 2844 return; |
2830 | 2845 |
2831 RenderFrameHostImpl* rfh = | 2846 RenderFrameHostImpl* rfh = |
2832 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); | 2847 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); |
2833 int64 render_frame_id = rfh->frame_tree_node()->frame_tree_node_id(); | |
2834 | 2848 |
2835 // Any main frame load to a new document should reset the load progress, since | 2849 // Any main frame load to a new document should reset the load progress, since |
2836 // it will replace the current page and any frames. | 2850 // it will replace the current page and any frames. |
2837 if (to_different_document && !rfh->GetParent()) { | 2851 if (to_different_document && !rfh->GetParent()) { |
2838 ResetLoadProgressState(); | 2852 ResetLoadProgressState(); |
2839 loading_frames_in_progress_ = 0; | 2853 rfh->set_is_loading(false); |
2840 rfh->frame_tree_node()->set_is_loading(false); | 2854 rfh->set_loading_progress(RenderFrameHostImpl::kLoadingProgressNotStarted); |
2841 } | 2855 } |
2842 | 2856 |
2843 // It is possible to get multiple calls to OnDidStartLoading that don't have | 2857 // This method should never be called when the frame is loading. |
2844 // corresponding calls to OnDidStopLoading: | 2858 DCHECK(!rfh->is_loading()); |
2845 // - With "swappedout://" URLs, this happens when a RenderView gets swapped | |
2846 // out for a cross-process navigation, and it turns into a placeholder for | |
2847 // one being rendered in a different process. | |
2848 // - Also, there might be more than one RenderFrameHost sharing the same | |
2849 // FrameTreeNode (and thus sharing its ID) each sending a start. | |
2850 // - But in the future, once clamy@ moves navigation network requests to the | |
2851 // browser process, there's a good chance that callbacks about starting and | |
2852 // stopping will all be handled by the browser. When that happens, there | |
2853 // should no longer be a start/stop call imbalance. TODO(avi): When this | |
2854 // future arrives, update this code to not allow this case. | |
2855 if (rfh->frame_tree_node()->is_loading()) | |
2856 return; | |
2857 | 2859 |
2858 DCHECK_GE(loading_frames_in_progress_, 0); | 2860 if (!IsFrameTreeLoading()) |
2859 if (loading_frames_in_progress_ == 0) | |
2860 DidStartLoading(rfh, to_different_document); | 2861 DidStartLoading(rfh, to_different_document); |
2861 | 2862 |
2862 ++loading_frames_in_progress_; | 2863 rfh->set_is_loading(true); |
2863 rfh->frame_tree_node()->set_is_loading(true); | 2864 rfh->set_loading_progress(RenderFrameHostImpl::kLoadingProgressMinimum); |
2864 | 2865 |
2865 // Notify the RenderFrameHostManager of the event. | 2866 // Notify the RenderFrameHostManager of the event. |
2866 rfh->frame_tree_node()->render_manager()->OnDidStartLoading(); | 2867 rfh->frame_tree_node()->render_manager()->OnDidStartLoading(); |
2867 | 2868 |
2868 loading_progresses_[render_frame_id] = kMinimumLoadingProgress; | |
2869 SendLoadProgressChanged(); | 2869 SendLoadProgressChanged(); |
2870 } | 2870 } |
2871 | 2871 |
2872 void WebContentsImpl::OnDidStopLoading() { | 2872 void WebContentsImpl::OnDidStopLoading() { |
2873 if (!HasValidFrameSource()) | 2873 if (!HasValidFrameSource()) |
2874 return; | 2874 return; |
2875 | 2875 |
2876 RenderFrameHostImpl* rfh = | 2876 RenderFrameHostImpl* rfh = |
2877 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); | 2877 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); |
2878 int64 render_frame_id = rfh->frame_tree_node()->frame_tree_node_id(); | |
2879 rfh->frame_tree_node()->set_is_loading(false); | |
2880 | 2878 |
2881 if (loading_progresses_.find(render_frame_id) != loading_progresses_.end()) { | 2879 // This method should never be called when the frame is not loading. |
2882 // Load stopped while we were still tracking load. Make sure we update | 2880 DCHECK(rfh->is_loading()); |
2883 // progress based on this frame's completion. | 2881 rfh->set_is_loading(false); |
2884 loading_progresses_[render_frame_id] = 1.0; | 2882 rfh->set_loading_progress(RenderFrameHostImpl::kLoadingProgressDone); |
2885 SendLoadProgressChanged(); | 2883 |
2886 // Then we clean-up our states. | 2884 // Update progress based on this frame's completion. |
2887 if (loading_total_progress_ == 1.0) | 2885 SendLoadProgressChanged(); |
2888 ResetLoadProgressState(); | 2886 // Then clean-up the states. |
2889 } | 2887 if (loading_total_progress_ == 1.0) |
2888 ResetLoadProgressState(); | |
2890 | 2889 |
2891 // Notify the RenderFrameHostManager of the event. | 2890 // Notify the RenderFrameHostManager of the event. |
2892 rfh->frame_tree_node()->render_manager()->OnDidStopLoading(); | 2891 rfh->frame_tree_node()->render_manager()->OnDidStopLoading(); |
2893 | 2892 |
2894 // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes | 2893 if (!IsFrameTreeLoading()) |
2895 // calls DidStopLoading() without a matching DidStartLoading(). | |
2896 if (loading_frames_in_progress_ == 0) | |
2897 return; | |
2898 --loading_frames_in_progress_; | |
2899 if (loading_frames_in_progress_ == 0) | |
2900 DidStopLoading(rfh); | 2894 DidStopLoading(rfh); |
2901 } | 2895 } |
2902 | 2896 |
2903 void WebContentsImpl::OnDidChangeLoadProgress(double load_progress) { | 2897 void WebContentsImpl::OnDidChangeLoadProgress(double load_progress) { |
2904 if (!HasValidFrameSource()) | 2898 if (!HasValidFrameSource()) |
2905 return; | 2899 return; |
2906 | 2900 |
2907 RenderFrameHostImpl* rfh = | 2901 RenderFrameHostImpl* rfh = |
2908 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); | 2902 static_cast<RenderFrameHostImpl*>(render_frame_message_source_); |
2909 int64 render_frame_id = rfh->frame_tree_node()->frame_tree_node_id(); | |
2910 | 2903 |
2911 loading_progresses_[render_frame_id] = load_progress; | 2904 rfh->set_loading_progress(load_progress); |
2912 | 2905 |
2913 // We notify progress change immediately for the first and last updates. | 2906 // We notify progress change immediately for the first and last updates. |
2914 // Also, since the message loop may be pretty busy when a page is loaded, it | 2907 // Also, since the message loop may be pretty busy when a page is loaded, it |
2915 // might not execute a posted task in a timely manner so we make sure to | 2908 // might not execute a posted task in a timely manner so we make sure to |
2916 // immediately send progress report if enough time has passed. | 2909 // immediately send progress report if enough time has passed. |
2917 base::TimeDelta min_delay = | 2910 base::TimeDelta min_delay = |
2918 base::TimeDelta::FromMilliseconds(kMinimumDelayBetweenLoadingUpdatesMS); | 2911 base::TimeDelta::FromMilliseconds(kMinimumDelayBetweenLoadingUpdatesMS); |
2919 if (load_progress == 1.0 || loading_last_progress_update_.is_null() || | 2912 if (load_progress == 1.0 || loading_last_progress_update_.is_null() || |
2920 base::TimeTicks::Now() - loading_last_progress_update_ > min_delay) { | 2913 base::TimeTicks::Now() - loading_last_progress_update_ > min_delay) { |
2921 // If there is a pending task to send progress, it is now obsolete. | 2914 // If there is a pending task to send progress, it is now obsolete. |
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3383 Details<std::pair<NavigationEntry*, bool> >(&details)); | 3376 Details<std::pair<NavigationEntry*, bool> >(&details)); |
3384 | 3377 |
3385 return true; | 3378 return true; |
3386 } | 3379 } |
3387 | 3380 |
3388 void WebContentsImpl::SendLoadProgressChanged() { | 3381 void WebContentsImpl::SendLoadProgressChanged() { |
3389 loading_last_progress_update_ = base::TimeTicks::Now(); | 3382 loading_last_progress_update_ = base::TimeTicks::Now(); |
3390 double progress = 0.0; | 3383 double progress = 0.0; |
3391 int frame_count = 0; | 3384 int frame_count = 0; |
3392 | 3385 |
3393 for (LoadingProgressMap::iterator it = loading_progresses_.begin(); | 3386 frame_tree_.ForEach( |
3394 it != loading_progresses_.end(); | 3387 base::Bind(&CollectLoadProgress, &progress, &frame_count)); |
3395 ++it) { | 3388 DCHECK_GT(frame_count, 0); |
3396 progress += it->second; | 3389 |
3397 ++frame_count; | |
3398 } | |
3399 if (frame_count == 0) | |
3400 return; | |
3401 progress /= frame_count; | 3390 progress /= frame_count; |
3402 DCHECK(progress <= 1.0); | 3391 DCHECK(progress <= 1.0); |
3403 | 3392 |
3404 if (progress <= loading_total_progress_) | 3393 if (progress <= loading_total_progress_) |
3405 return; | 3394 return; |
3406 loading_total_progress_ = progress; | 3395 loading_total_progress_ = progress; |
3407 | 3396 |
3408 if (delegate_) | 3397 if (delegate_) |
3409 delegate_->LoadProgressChanged(this, progress); | 3398 delegate_->LoadProgressChanged(this, progress); |
3410 } | 3399 } |
3411 | 3400 |
3412 void WebContentsImpl::ResetLoadProgressState() { | 3401 void WebContentsImpl::ResetLoadProgressState() { |
3413 loading_progresses_.clear(); | |
clamy
2015/02/26 16:05:00
As mentionned offline, we want to keep the current
Fabrice (no longer in Chrome)
2015/02/27 17:45:25
I like the first option because it fixes a whole b
| |
3414 loading_total_progress_ = 0.0; | 3402 loading_total_progress_ = 0.0; |
3415 loading_weak_factory_.InvalidateWeakPtrs(); | 3403 loading_weak_factory_.InvalidateWeakPtrs(); |
3416 loading_last_progress_update_ = base::TimeTicks(); | 3404 loading_last_progress_update_ = base::TimeTicks(); |
3417 } | 3405 } |
3418 | 3406 |
3407 bool WebContentsImpl::IsFrameTreeLoading() { | |
3408 bool is_loading = false; | |
3409 frame_tree_.ForEach(base::Bind(&IsNodeLoading, &is_loading)); | |
3410 return is_loading; | |
3411 } | |
3412 | |
3419 void WebContentsImpl::NotifyViewSwapped(RenderViewHost* old_host, | 3413 void WebContentsImpl::NotifyViewSwapped(RenderViewHost* old_host, |
3420 RenderViewHost* new_host) { | 3414 RenderViewHost* new_host) { |
3421 // After sending out a swap notification, we need to send a disconnect | 3415 // After sending out a swap notification, we need to send a disconnect |
3422 // notification so that clients that pick up a pointer to |this| can NULL the | 3416 // notification so that clients that pick up a pointer to |this| can NULL the |
3423 // pointer. See Bug 1230284. | 3417 // pointer. See Bug 1230284. |
3424 notify_disconnection_ = true; | 3418 notify_disconnection_ = true; |
3425 FOR_EACH_OBSERVER(WebContentsObserver, observers_, | 3419 FOR_EACH_OBSERVER(WebContentsObserver, observers_, |
3426 RenderViewHostChanged(old_host, new_host)); | 3420 RenderViewHostChanged(old_host, new_host)); |
3427 | 3421 |
3428 // TODO(avi): Remove. http://crbug.com/170921 | 3422 // TODO(avi): Remove. http://crbug.com/170921 |
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3720 | 3714 |
3721 SetIsLoading(rvh, false, true, NULL); | 3715 SetIsLoading(rvh, false, true, NULL); |
3722 NotifyDisconnected(); | 3716 NotifyDisconnected(); |
3723 SetIsCrashed(status, error_code); | 3717 SetIsCrashed(status, error_code); |
3724 | 3718 |
3725 // Reset the loading progress. TODO(avi): What does it mean to have a | 3719 // Reset the loading progress. TODO(avi): What does it mean to have a |
3726 // "renderer crash" when there is more than one renderer process serving a | 3720 // "renderer crash" when there is more than one renderer process serving a |
3727 // webpage? Once this function is called at a more granular frame level, we | 3721 // webpage? Once this function is called at a more granular frame level, we |
3728 // probably will need to more granularly reset the state here. | 3722 // probably will need to more granularly reset the state here. |
3729 ResetLoadProgressState(); | 3723 ResetLoadProgressState(); |
3730 loading_frames_in_progress_ = 0; | |
3731 | 3724 |
3732 FOR_EACH_OBSERVER(WebContentsObserver, | 3725 FOR_EACH_OBSERVER(WebContentsObserver, |
3733 observers_, | 3726 observers_, |
3734 RenderProcessGone(GetCrashedStatus())); | 3727 RenderProcessGone(GetCrashedStatus())); |
3735 } | 3728 } |
3736 | 3729 |
3737 void WebContentsImpl::RenderViewDeleted(RenderViewHost* rvh) { | 3730 void WebContentsImpl::RenderViewDeleted(RenderViewHost* rvh) { |
3738 FOR_EACH_OBSERVER(WebContentsObserver, observers_, RenderViewDeleted(rvh)); | 3731 FOR_EACH_OBSERVER(WebContentsObserver, observers_, RenderViewDeleted(rvh)); |
3739 } | 3732 } |
3740 | 3733 |
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4513 node->render_manager()->ResumeResponseDeferredAtStart(); | 4506 node->render_manager()->ResumeResponseDeferredAtStart(); |
4514 } | 4507 } |
4515 | 4508 |
4516 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) { | 4509 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) { |
4517 force_disable_overscroll_content_ = force_disable; | 4510 force_disable_overscroll_content_ = force_disable; |
4518 if (view_) | 4511 if (view_) |
4519 view_->SetOverscrollControllerEnabled(CanOverscrollContent()); | 4512 view_->SetOverscrollControllerEnabled(CanOverscrollContent()); |
4520 } | 4513 } |
4521 | 4514 |
4522 } // namespace content | 4515 } // namespace content |
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