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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 "chrome/browser/ui/webui/print_preview/print_preview_distiller.h" | 5 #include "chrome/browser/ui/webui/print_preview/print_preview_distiller.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 #include <string> | 8 #include <string> |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
11 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/feature_list.h" | 12 #include "base/feature_list.h" |
13 #include "base/strings/utf_string_conversions.h" | 13 #include "base/strings/utf_string_conversions.h" |
14 #include "chrome/browser/chrome_notification_types.h" | 14 #include "chrome/browser/chrome_notification_types.h" |
15 #include "chrome/browser/dom_distiller/tab_utils.h" | 15 #include "chrome/browser/dom_distiller/tab_utils.h" |
16 #include "chrome/browser/printing/print_preview_dialog_controller.h" | 16 #include "chrome/browser/printing/print_preview_dialog_controller.h" |
17 #include "chrome/browser/printing/print_preview_message_handler.h" | 17 #include "chrome/browser/printing/print_preview_message_handler.h" |
18 #include "chrome/browser/profiles/profile.h" | 18 #include "chrome/browser/profiles/profile.h" |
19 #include "chrome/browser/ui/web_contents_sizer.h" | 19 #include "chrome/browser/ui/web_contents_sizer.h" |
20 #include "chrome/common/chrome_switches.h" | 20 #include "chrome/common/chrome_switches.h" |
21 #include "chrome/common/prerender_messages.h" | 21 #include "chrome/common/prerender_messages.h" |
22 #include "components/dom_distiller/content/browser/distiller_javascript_utils.h" | 22 #include "components/dom_distiller/content/browser/distiller_javascript_utils.h" |
23 #include "components/printing/common/print_messages.h" | 23 #include "components/printing/common/print_messages.h" |
| 24 #include "content/public/browser/navigation_details.h" |
24 #include "content/public/browser/notification_service.h" | 25 #include "content/public/browser/notification_service.h" |
25 #include "content/public/browser/render_frame_host.h" | 26 #include "content/public/browser/render_frame_host.h" |
26 #include "content/public/browser/render_process_host.h" | 27 #include "content/public/browser/render_process_host.h" |
27 #include "content/public/browser/render_view_host.h" | 28 #include "content/public/browser/render_view_host.h" |
28 #include "content/public/browser/render_widget_host.h" | 29 #include "content/public/browser/render_widget_host.h" |
29 #include "content/public/browser/resource_request_details.h" | 30 #include "content/public/browser/resource_request_details.h" |
30 #include "content/public/browser/session_storage_namespace.h" | 31 #include "content/public/browser/session_storage_namespace.h" |
31 #include "content/public/browser/web_contents.h" | 32 #include "content/public/browser/web_contents.h" |
32 #include "content/public/browser/web_contents_delegate.h" | 33 #include "content/public/browser/web_contents_delegate.h" |
33 #include "content/public/browser/web_contents_observer.h" | 34 #include "content/public/browser/web_contents_observer.h" |
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128 content::RenderFrameHost* render_frame_host) override { | 129 content::RenderFrameHost* render_frame_host) override { |
129 // When a new RenderFrame is created for a distilled rendering | 130 // When a new RenderFrame is created for a distilled rendering |
130 // WebContents, tell the new RenderFrame it's being used for | 131 // WebContents, tell the new RenderFrame it's being used for |
131 // prerendering before any navigations occur. Note that this is | 132 // prerendering before any navigations occur. Note that this is |
132 // always triggered before the first navigation, so there's no | 133 // always triggered before the first navigation, so there's no |
133 // need to send the message just after the WebContents is created. | 134 // need to send the message just after the WebContents is created. |
134 render_frame_host->Send(new PrerenderMsg_SetIsPrerendering( | 135 render_frame_host->Send(new PrerenderMsg_SetIsPrerendering( |
135 render_frame_host->GetRoutingID(), true)); | 136 render_frame_host->GetRoutingID(), true)); |
136 } | 137 } |
137 | 138 |
138 void DidFinishLoad(content::RenderFrameHost* render_frame_host, | 139 void DoPrintPreview() { |
139 const GURL& validated_url) override { | 140 RenderViewHost* rvh = web_contents()->GetRenderViewHost(); |
140 // Ask the page to trigger an anchor navigation once the distilled | 141 rvh->Send(new PrintMsg_InitiatePrintPreview(rvh->GetRoutingID(), false)); |
141 // contents are added to the page. | 142 rvh->Send(new PrintMsg_PrintPreview(rvh->GetRoutingID(), *settings_)); |
142 dom_distiller::RunIsolatedJavaScript( | |
143 web_contents()->GetMainFrame(), | |
144 "navigate_on_initial_content_load = true;"); | |
145 } | |
146 | |
147 void DidNavigateMainFrame( | |
148 const content::LoadCommittedDetails& details, | |
149 const content::FrameNavigateParams& params) override { | |
150 // The second content loads signals that the distilled contents have | |
151 // been delivered to the page via inline JavaScript execution. | |
152 if (web_contents()->GetController().GetEntryCount() > 1) { | |
153 RenderViewHost* rvh = web_contents()->GetRenderViewHost(); | |
154 rvh->Send(new PrintMsg_InitiatePrintPreview(rvh->GetRoutingID(), false)); | |
155 rvh->Send(new PrintMsg_PrintPreview(rvh->GetRoutingID(), *settings_)); | |
156 } | |
157 } | 143 } |
158 | 144 |
159 void DidGetRedirectForResourceRequest( | 145 void DidGetRedirectForResourceRequest( |
160 content::RenderFrameHost* render_frame_host, | 146 content::RenderFrameHost* render_frame_host, |
161 const content::ResourceRedirectDetails& details) override { | 147 const content::ResourceRedirectDetails& details) override { |
162 if (details.resource_type != content::RESOURCE_TYPE_MAIN_FRAME) | 148 if (details.resource_type != content::RESOURCE_TYPE_MAIN_FRAME) |
163 return; | 149 return; |
164 // Redirects are unsupported for distilled content renderers. | 150 // Redirects are unsupported for distilled content renderers. |
165 on_failed_callback_.Run(); | 151 on_failed_callback_.Run(); |
166 } | 152 } |
167 | 153 |
168 void RenderProcessGone(base::TerminationStatus status) override { | 154 void RenderProcessGone(base::TerminationStatus status) override { |
169 on_failed_callback_.Run(); | 155 on_failed_callback_.Run(); |
170 } | 156 } |
171 | 157 |
| 158 void DidNavigateMainFrame( |
| 159 const content::LoadCommittedDetails& details, |
| 160 const content::FrameNavigateParams& params) override { |
| 161 // Wait until we are done distilling the article and the target |
| 162 // WebContents is ready for printing. |
| 163 // The navigation to notify print preview that content is on the page will |
| 164 // be an in-page navigation. |
| 165 if (!details.is_in_page) |
| 166 return; |
| 167 // TODO(mvendra, wychen): resources (images, web fonts) are not necessarily |
| 168 // ready at this point - so deferring the call to |
| 169 // DoPrintPreview could be warranted |
| 170 DoPrintPreview(); |
| 171 } |
| 172 |
172 void Observe(int type, | 173 void Observe(int type, |
173 const content::NotificationSource& source, | 174 const content::NotificationSource& source, |
174 const content::NotificationDetails& details) override { | 175 const content::NotificationDetails& details) override { |
175 switch (type) { | 176 switch (type) { |
176 // TODO(davidben): Try to remove this in favor of relying on | 177 // TODO(davidben): Try to remove this in favor of relying on |
177 // FINAL_STATUS_PROFILE_DESTROYED. | 178 // FINAL_STATUS_PROFILE_DESTROYED. |
178 case chrome::NOTIFICATION_APP_TERMINATING: | 179 case chrome::NOTIFICATION_APP_TERMINATING: |
179 on_failed_callback_.Run(); | 180 on_failed_callback_.Run(); |
180 return; | 181 return; |
181 | 182 |
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275 WebContents* source_web_contents) { | 276 WebContents* source_web_contents) { |
276 // TODO(ajwong): Remove the temporary map once prerendering is aware of | 277 // TODO(ajwong): Remove the temporary map once prerendering is aware of |
277 // multiple session storage namespaces per tab. | 278 // multiple session storage namespaces per tab. |
278 content::SessionStorageNamespaceMap session_storage_namespace_map; | 279 content::SessionStorageNamespaceMap session_storage_namespace_map; |
279 Profile* profile = | 280 Profile* profile = |
280 Profile::FromBrowserContext(source_web_contents->GetBrowserContext()); | 281 Profile::FromBrowserContext(source_web_contents->GetBrowserContext()); |
281 session_storage_namespace_map[std::string()] = session_storage_namespace; | 282 session_storage_namespace_map[std::string()] = session_storage_namespace; |
282 return WebContents::CreateWithSessionStorage( | 283 return WebContents::CreateWithSessionStorage( |
283 WebContents::CreateParams(profile), session_storage_namespace_map); | 284 WebContents::CreateParams(profile), session_storage_namespace_map); |
284 } | 285 } |
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