Index: chrome/browser/ui/webui/print_preview/print_preview_distiller.cc |
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_distiller.cc b/chrome/browser/ui/webui/print_preview/print_preview_distiller.cc |
deleted file mode 100644 |
index f847549a58de8d7e37b22da91962a1d891a4bc58..0000000000000000000000000000000000000000 |
--- a/chrome/browser/ui/webui/print_preview/print_preview_distiller.cc |
+++ /dev/null |
@@ -1,293 +0,0 @@ |
-// Copyright 2015 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "chrome/browser/ui/webui/print_preview/print_preview_distiller.h" |
- |
-#include <stdint.h> |
-#include <string> |
-#include <utility> |
- |
-#include "base/command_line.h" |
-#include "base/feature_list.h" |
-#include "base/strings/utf_string_conversions.h" |
-#include "chrome/browser/chrome_notification_types.h" |
-#include "chrome/browser/dom_distiller/tab_utils.h" |
-#include "chrome/browser/printing/print_preview_dialog_controller.h" |
-#include "chrome/browser/printing/print_preview_message_handler.h" |
-#include "chrome/browser/profiles/profile.h" |
-#include "chrome/browser/ui/web_contents_sizer.h" |
-#include "chrome/common/chrome_switches.h" |
-#include "chrome/common/prerender_messages.h" |
-#include "components/dom_distiller/content/browser/distiller_javascript_utils.h" |
-#include "components/printing/common/print_messages.h" |
-#include "content/public/browser/navigation_details.h" |
-#include "content/public/browser/notification_service.h" |
-#include "content/public/browser/render_frame_host.h" |
-#include "content/public/browser/render_process_host.h" |
-#include "content/public/browser/render_view_host.h" |
-#include "content/public/browser/render_widget_host.h" |
-#include "content/public/browser/resource_request_details.h" |
-#include "content/public/browser/session_storage_namespace.h" |
-#include "content/public/browser/web_contents.h" |
-#include "content/public/browser/web_contents_delegate.h" |
-#include "content/public/browser/web_contents_observer.h" |
- |
-using content::OpenURLParams; |
-using content::RenderViewHost; |
-using content::SessionStorageNamespace; |
-using content::WebContents; |
- |
-class PrintPreviewDistiller::WebContentsDelegateImpl |
- : public content::WebContentsDelegate, |
- public content::NotificationObserver, |
- public content::WebContentsObserver { |
- public: |
- explicit WebContentsDelegateImpl( |
- WebContents* web_contents, |
- std::unique_ptr<base::DictionaryValue> settings, |
- const base::Closure on_failed_callback) |
- : content::WebContentsObserver(web_contents), |
- settings_(std::move(settings)), |
- on_failed_callback_(on_failed_callback) { |
- web_contents->SetDelegate(this); |
- |
- // Close ourselves when the application is shutting down. |
- notification_registrar_.Add(this, chrome::NOTIFICATION_APP_TERMINATING, |
- content::NotificationService::AllSources()); |
- |
- // Register to inform new RenderViews that we're rendering. |
- notification_registrar_.Add( |
- this, content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED, |
- content::Source<WebContents>(web_contents)); |
- } |
- |
- ~WebContentsDelegateImpl() override { web_contents()->SetDelegate(nullptr); } |
- |
- // content::WebContentsDelegate implementation. |
- WebContents* OpenURLFromTab(WebContents* source, |
- const OpenURLParams& params) override { |
- on_failed_callback_.Run(); |
- return nullptr; |
- } |
- |
- void CloseContents(content::WebContents* contents) override { |
- on_failed_callback_.Run(); |
- } |
- |
- void CanDownload(const GURL& url, |
- const std::string& request_method, |
- const base::Callback<void(bool)>& callback) override { |
- on_failed_callback_.Run(); |
- // Cancel the download. |
- callback.Run(false); |
- } |
- |
- bool ShouldCreateWebContents( |
- WebContents* web_contents, |
- int32_t route_id, |
- int32_t main_frame_route_id, |
- int32_t main_frame_widget_route_id, |
- WindowContainerType window_container_type, |
- const std::string& frame_name, |
- const GURL& target_url, |
- const std::string& partition_id, |
- SessionStorageNamespace* session_storage_namespace) override { |
- // Since we don't want to permit child windows that would have a |
- // window.opener property, terminate rendering. |
- on_failed_callback_.Run(); |
- // Cancel the popup. |
- return false; |
- } |
- |
- bool OnGoToEntryOffset(int offset) override { |
- // This isn't allowed because the history merge operation |
- // does not work if there are renderer issued challenges. |
- // TODO(cbentzel): Cancel in this case? May not need to do |
- // since render-issued offset navigations are not guaranteed, |
- // but indicates that the page cares about the history. |
- return false; |
- } |
- |
- bool ShouldSuppressDialogs(WebContents* source) override { |
- // We still want to show the user the message when they navigate to this |
- // page, so cancel this render. |
- on_failed_callback_.Run(); |
- // Always suppress JavaScript messages if they're triggered by a page being |
- // rendered. |
- return true; |
- } |
- |
- void RegisterProtocolHandler(WebContents* web_contents, |
- const std::string& protocol, |
- const GURL& url, |
- bool user_gesture) override { |
- on_failed_callback_.Run(); |
- } |
- |
- void RenderFrameCreated( |
- content::RenderFrameHost* render_frame_host) override { |
- // When a new RenderFrame is created for a distilled rendering |
- // WebContents, tell the new RenderFrame it's being used for |
- // prerendering before any navigations occur. Note that this is |
- // always triggered before the first navigation, so there's no |
- // need to send the message just after the WebContents is created. |
- render_frame_host->Send(new PrerenderMsg_SetIsPrerendering( |
- render_frame_host->GetRoutingID(), true)); |
- } |
- |
- void DidFinishLoad(content::RenderFrameHost* render_frame_host, |
- const GURL& validated_url) override { |
- // Notify distiller that print preview is using it. |
- dom_distiller::RunIsolatedJavaScript( |
- web_contents()->GetMainFrame(), |
- "var isPrintPreviewDistiller = true;"); |
- } |
- |
- void DoPrintPreview() { |
- RenderViewHost* rvh = web_contents()->GetRenderViewHost(); |
- rvh->Send(new PrintMsg_InitiatePrintPreview(rvh->GetRoutingID(), false)); |
- rvh->Send(new PrintMsg_PrintPreview(rvh->GetRoutingID(), *settings_)); |
- } |
- |
- void DidGetRedirectForResourceRequest( |
- content::RenderFrameHost* render_frame_host, |
- const content::ResourceRedirectDetails& details) override { |
- if (details.resource_type != content::RESOURCE_TYPE_MAIN_FRAME) |
- return; |
- // Redirects are unsupported for distilled content renderers. |
- on_failed_callback_.Run(); |
- } |
- |
- void RenderProcessGone(base::TerminationStatus status) override { |
- on_failed_callback_.Run(); |
- } |
- |
- void DidNavigateMainFrame( |
- const content::LoadCommittedDetails& details, |
- const content::FrameNavigateParams& params) override { |
- // Wait until we are done distilling the article and the target |
- // WebContents is ready for printing. |
- // The navigation to notify print preview that content is on the page will |
- // be an in-page navigation. |
- if (!details.is_in_page) |
- return; |
- // TODO(mvendra, wychen): resources (images, web fonts) are not necessarily |
- // ready at this point - so deferring the call to |
- // DoPrintPreview could be warranted |
- DoPrintPreview(); |
- } |
- |
- void Observe(int type, |
- const content::NotificationSource& source, |
- const content::NotificationDetails& details) override { |
- switch (type) { |
- // TODO(davidben): Try to remove this in favor of relying on |
- // FINAL_STATUS_PROFILE_DESTROYED. |
- case chrome::NOTIFICATION_APP_TERMINATING: |
- on_failed_callback_.Run(); |
- return; |
- |
- case content::NOTIFICATION_WEB_CONTENTS_RENDER_VIEW_HOST_CREATED: { |
- if (web_contents()) { |
- DCHECK_EQ(content::Source<WebContents>(source).ptr(), web_contents()); |
- |
- // Make sure the size of the RenderViewHost has been passed to the new |
- // RenderView. Otherwise, the size may not be sent until the |
- // RenderViewReady event makes it from the render process to the UI |
- // thread of the browser process. When the RenderView receives its |
- // size, is also sets itself to be visible, which would then break the |
- // visibility API. |
- content::Details<RenderViewHost> new_render_view_host(details); |
- new_render_view_host->GetWidget()->WasResized(); |
- web_contents()->WasHidden(); |
- } |
- break; |
- } |
- |
- default: |
- NOTREACHED() << "Unexpected notification sent."; |
- break; |
- } |
- } |
- |
- private: |
- std::unique_ptr<base::DictionaryValue> settings_; |
- content::NotificationRegistrar notification_registrar_; |
- |
- // The callback called when the preview failed. |
- base::Closure on_failed_callback_; |
-}; |
- |
-const base::Feature PrintPreviewDistiller::kFeature = { |
- "PrintPreviewDistiller", base::FEATURE_ENABLED_BY_DEFAULT, |
-}; |
- |
-bool PrintPreviewDistiller::IsEnabled() { |
- return base::FeatureList::IsEnabled(kFeature); |
-} |
- |
-PrintPreviewDistiller::PrintPreviewDistiller( |
- WebContents* source_web_contents, |
- const base::Closure on_failed_callback, |
- std::unique_ptr<base::DictionaryValue> settings) { |
- content::SessionStorageNamespace* session_storage_namespace = |
- source_web_contents->GetController().GetDefaultSessionStorageNamespace(); |
- CreateDestinationWebContents(session_storage_namespace, source_web_contents, |
- std::move(settings), on_failed_callback); |
- |
- DCHECK(web_contents_); |
- ::DistillAndView(source_web_contents, web_contents_.get()); |
-} |
- |
-void PrintPreviewDistiller::CreateDestinationWebContents( |
- SessionStorageNamespace* session_storage_namespace, |
- WebContents* source_web_contents, |
- std::unique_ptr<base::DictionaryValue> settings, |
- const base::Closure on_failed_callback) { |
- DCHECK(!web_contents_); |
- |
- web_contents_.reset( |
- CreateWebContents(session_storage_namespace, source_web_contents)); |
- |
- printing::PrintPreviewMessageHandler::CreateForWebContents( |
- web_contents_.get()); |
- |
- web_contents_delegate_.reset(new WebContentsDelegateImpl( |
- web_contents_.get(), std::move(settings), on_failed_callback)); |
- |
- // Set the size of the distilled WebContents. |
- ResizeWebContents(web_contents_.get(), gfx::Size(1, 1)); |
- |
- printing::PrintPreviewDialogController* dialog_controller = |
- printing::PrintPreviewDialogController::GetInstance(); |
- if (!dialog_controller) |
- return; |
- |
- dialog_controller->AddProxyDialogForWebContents(web_contents_.get(), |
- source_web_contents); |
-} |
- |
-PrintPreviewDistiller::~PrintPreviewDistiller() { |
- DCHECK(web_contents_); |
- |
- printing::PrintPreviewDialogController* dialog_controller = |
- printing::PrintPreviewDialogController::GetInstance(); |
- if (!dialog_controller) |
- return; |
- |
- dialog_controller->RemoveProxyDialogForWebContents(web_contents_.get()); |
-} |
- |
-WebContents* PrintPreviewDistiller::CreateWebContents( |
- SessionStorageNamespace* session_storage_namespace, |
- WebContents* source_web_contents) { |
- // TODO(ajwong): Remove the temporary map once prerendering is aware of |
- // multiple session storage namespaces per tab. |
- content::SessionStorageNamespaceMap session_storage_namespace_map; |
- Profile* profile = |
- Profile::FromBrowserContext(source_web_contents->GetBrowserContext()); |
- session_storage_namespace_map[std::string()] = session_storage_namespace; |
- return WebContents::CreateWithSessionStorage( |
- WebContents::CreateParams(profile), session_storage_namespace_map); |
-} |