Add Print Selection support to Chrome. This change is fairly involved since ...

chrome/browser/printing/print_view_manager.cc

 // Copyright (c) 2006-2008 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/printing/print_view_manager.h"
 
 #include "app/l10n_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_job.h"
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/printing/printed_document.h"
 #include "chrome/browser/printing/printer_query.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/tab_contents/navigation_entry.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/gfx/emf.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/render_messages.h"
 #include "grit/generated_resources.h"
 
 using base::TimeDelta;
 
 namespace printing {
 
 PrintViewManager::PrintViewManager(TabContents& owner)
     : owner_(owner),
       waiting_to_print_(false),
+      printing_succeeded_(false),
       inside_inner_message_loop_(false) {
 }
 
 PrintViewManager::~PrintViewManager() {
   DisconnectFromCurrentPrintJob();
 }
 
 void PrintViewManager::Stop() {
   // Cancel the current job, wait for the worker to finish.
   TerminatePrintJob(true);
 }
 
 bool PrintViewManager::OnRenderViewGone(RenderViewHost* render_view_host) {
   if (!print_job_.get())
     return true;
 
   if (render_view_host != owner_.render_view_host())
     return false;
 
   scoped_refptr<PrintedDocument> document(print_job_->document());
   if (document) {
-    // If IsComplete() returns false, the document isn't completely renderered.
+    // If IsComplete() returns false, the document isn't completely rendered.
     // Since our renderer is gone, there's nothing to do, cancel it. Otherwise,
     // the print job may finish without problem.
     TerminatePrintJob(!document->IsComplete());
   }
   return true;
 }
 
 void PrintViewManager::DidGetPrintedPagesCount(int cookie, int number_pages) {
   DCHECK_GT(cookie, 0);
   if (!OpportunisticallyCreatePrintJob(cookie))
@@ skipping 81 matching lines @@
       NOTREACHED();
       break;
     }
   }
 }
 
 void PrintViewManager::OnNotifyPrintJobEvent(
     const JobEventDetails& event_details) {
   switch (event_details.type()) {
     case JobEventDetails::FAILED: {
-      // TODO(maruel):  bug 1123882 Show some kind of notification.
       TerminatePrintJob(true);
       break;
     }
     case JobEventDetails::USER_INIT_DONE:
     case JobEventDetails::DEFAULT_INIT_DONE:
     case JobEventDetails::USER_INIT_CANCELED: {
       NOTREACHED();
       break;
     }
     case JobEventDetails::ALL_PAGES_REQUESTED: {
       ShouldQuitFromInnerMessageLoop();
       break;
     }
     case JobEventDetails::NEW_DOC:
     case JobEventDetails::NEW_PAGE:
     case JobEventDetails::PAGE_DONE: {
       // Don't care about the actual printing process.
       break;
     }
     case JobEventDetails::DOC_DONE: {
       waiting_to_print_ = false;
       break;
     }
     case JobEventDetails::JOB_DONE: {
       // Printing is done, we don't need it anymore.
       // print_job_->is_job_pending() may still be true, depending on the order
       // of object registration.
+      printing_succeeded_ = true;
       ReleasePrintJob();
       break;
     }
     default: {
       NOTREACHED();
       break;
     }
   }
 }
 
 bool PrintViewManager::RenderAllMissingPagesNow() {
   if (!print_job_.get() || !print_job_->is_job_pending()) {
     DCHECK_EQ(waiting_to_print_, false);
     return false;
   }
 
   // We can't print if there is no renderer.
   if (!owner_.render_view_host() ||
       !owner_.render_view_host()->IsRenderViewLive()) {
     waiting_to_print_ = false;
     return false;
   }
 
   // Is the document already complete?
   if (print_job_->document() && print_job_->document()->IsComplete()) {
     waiting_to_print_ = false;
+    printing_succeeded_ = true;
     return true;
   }
 
   // TabContents is either dying or a second consecutive request to print
   // happened before the first had time to finish. We need to render all the
   // pages in an hurry if a print_job_ is still pending. No need to wait for it
   // to actually spool the pages, only to have the renderer generate them. Run
   // a message loop until we get our signal that the print job is satisfied.
   // PrintJob will send a ALL_PAGES_REQUESTED after having received all the
   // pages it needs. MessageLoop::current()->Quit() will be called as soon as
@@ skipping 44 matching lines @@
   // view and switch to it, initialize the printer and show the print dialog.
   DCHECK(!print_job_.get());
   DCHECK(job);
   if (!job)
     return false;
 
   print_job_ = new PrintJob();
   print_job_->Initialize(job, this);
   registrar_.Add(this, NotificationType::PRINT_JOB_EVENT,
                  Source<PrintJob>(print_job_.get()));
+  printing_succeeded_ = false;
   return true;
 }
 
 void PrintViewManager::DisconnectFromCurrentPrintJob() {
   // Make sure all the necessary rendered page are done. Don't bother with the
   // return value.
   bool result = RenderAllMissingPagesNow();
 
   // Verify that assertion.
   if (print_job_.get() &&
       print_job_->document() &&
       !print_job_->document()->IsComplete()) {
     DCHECK(!result);
     // That failed.
     TerminatePrintJob(true);
   } else {
     // DO NOT wait for the job to finish.
     ReleasePrintJob();
   }
 }
 
+void PrintViewManager::PrintingDone(bool success) {
+  if (print_job_.get()) {
+    owner_.PrintingDone(print_job_->cookie(), success);
+  }
+}
+
 void PrintViewManager::TerminatePrintJob(bool cancel) {
   if (!print_job_.get())
     return;
 
   if (cancel) {
     // We don't need the EMF data anymore because the printing is canceled.
     print_job_->Cancel();
     waiting_to_print_ = false;
     inside_inner_message_loop_ = false;
   } else {
     DCHECK(!inside_inner_message_loop_);
     DCHECK(!print_job_->document() || print_job_->document()->IsComplete() ||
            !waiting_to_print_);
 
     // TabContents is either dying or navigating elsewhere. We need to render
     // all the pages in an hurry if a print job is still pending. This does the
     // trick since it runs a blocking message loop:
     print_job_->Stop();
   }
   ReleasePrintJob();
 }
 
 void PrintViewManager::ReleasePrintJob() {
   DCHECK_EQ(waiting_to_print_, false);
   if (!print_job_.get())
     return;
 
+  PrintingDone(printing_succeeded_);
+
   registrar_.Remove(this, NotificationType::PRINT_JOB_EVENT,
                     Source<PrintJob>(print_job_.get()));
   print_job_->DisconnectSource();
   // Don't close the worker thread.
   print_job_ = NULL;
 }
 
 void PrintViewManager::PrintNowInternal() {
   DCHECK(waiting_to_print_);
 
@@ skipping 65 matching lines @@
     return false;
   }
 
   // Settings are already loaded. Go ahead. This will set
   // print_job_->is_job_pending() to true.
   print_job_->StartPrinting();
   return true;
 }
 
 }  // namespace printing