Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 133 insertions, 0 deletions

diff --git a/chrome/browser/printing/print_job_worker.h b/chrome/browser/printing/print_job_worker.h
new file mode 100644
index 0000000..c7064f7
--- /dev/null
+++ b/chrome/browser/printing/print_job_worker.h
@@ -0,0 +1,133 @@
+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__
+#define CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__
+
+#include "base/task.h"
+#include "base/thread.h"
+#include "chrome/browser/printing/page_number.h"
+#include "chrome/browser/printing/win_printing_context.h"
+#include "googleurl/src/gurl.h"
+
+namespace printing {
+
+class PrintedDocument;
+class PrintedPage;
+class PrintJob;
+class PrintJobWorkerOwner;
+
+// Worker thread code. All this code, except for the constructor, is executed in
+// the worker thread. It manages the PrintingContext, which can be blocking
+// and/or run a message loop. This is the object that generates most
+// NOTIFY_PRINT_JOB_EVENT notifications, but they are generated through a
+// NotificationTask task to be executed from the right thread, the UI thread.
+// PrintJob always outlives its worker instance.
+class PrintJobWorker : public Thread {
+ public:
+  PrintJobWorker(PrintJobWorkerOwner* owner);
+  ~PrintJobWorker();
+
+  void SetNewOwner(PrintJobWorkerOwner* new_owner);
+
+  // Initializes the print settings. If |ask_user_for_settings| is true, a
+  // Print... dialog box will be shown to ask the user his preference.
+  void GetSettings(bool ask_user_for_settings,
+                   HWND parent_window,
+                   int document_page_count);
+
+  // Starts the printing loop. Every pages are printed as soon as the data is
+  // available. Makes sure the new_document is the right one.
+  void StartPrinting(PrintedDocument* new_document);
+
+  // Updates the printed document.
+  void OnDocumentChanged(PrintedDocument* new_document);
+
+  // Unqueues waiting pages. Called when PrintJob receives a
+  // NOTIFY_PRINTED_DOCUMENT_UPDATED notification. It's time to look again if
+  // the next page can be printed.
+  void OnNewPage();
+
+  // This is the only function that can be called in a thread.
+  void Cancel();
+
+  // Cancels the Print... dialog box if shown, noop otherwise.
+  void DismissDialog();
+
+  // Requests the missing pages in rendered_document_. Sends back a
+  // ALL_PAGES_REQUESTED notification once done.
+  void RequestMissingPages();
+
+ private:
+  // The shared NotificationService service can only be accessed from the UI
+  // thread, so this class encloses the necessary information to send the
+  // notification from the right thread. Most NOTIFY_PRINT_JOB_EVENT
+  // notifications are sent this way, except USER_INIT_DONE, USER_INIT_CANCELED
+  // and DEFAULT_INIT_DONE. These three are sent through PrintJob::InitDone().
+  class NotificationTask;
+  friend struct RunnableMethodTraits<PrintJobWorker>;
+
+  // Renders a page in the printer.
+  void SpoolPage(PrintedPage& page);
+
+  // Closes the job since spooling is done.
+  void OnDocumentDone();
+
+  // Discards the current document, the current page and cancels the printing
+  // context.
+  void OnFailure();
+
+  // Information about the printer setting.
+  PrintingContext printing_context_;
+
+  // The printed document. Only has read-only access.
+  scoped_refptr<PrintedDocument> document_;
+
+  // The print job owning this worker thread. It is guaranteed to outlive this
+  // object.
+  PrintJobWorkerOwner* owner_;
+
+  // Current page number to print.
+  PageNumber page_number_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(PrintJobWorker);
+};
+
+}  // namespace printing
+
+template <>
+struct RunnableMethodTraits<printing::PrintJobWorker> {
+  RunnableMethodTraits();
+  void RetainCallee(printing::PrintJobWorker* obj);
+  void ReleaseCallee(printing::PrintJobWorker* obj);
+ private:
+  scoped_refptr<printing::PrintJobWorkerOwner> owner_;
+};
+
+#endif  // CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__