Update printing code

This commit is contained in:
Cheng Zhao 2014-12-07 06:55:40 -08:00
parent 6d32db32ef
commit d309fd5a27
23 changed files with 665 additions and 485 deletions

View file

@ -15,15 +15,19 @@
class Thread;
namespace base {
class RefCountedMemory;
}
namespace printing {
// See definition below.
class JobEventDetails;
class MetafilePlayer;
class PdfToEmfConverter;
class PrintJobWorker;
class PrintedDocument;
class PrintedPage;
class PrintedPagesSource;
class PrintJobWorker;
class PrinterQuery;
// Manages the print work for a specific document. Talks to the printer through
@ -33,8 +37,7 @@ class PrinterQuery;
// reference to the job to be sure it is kept alive. All the code in this class
// runs in the UI thread.
class PrintJob : public PrintJobWorkerOwner,
public content::NotificationObserver,
public base::MessageLoop::DestructionObserver {
public content::NotificationObserver {
public:
// Create a empty PrintJob. When initializing with this constructor,
// post-constructor initialization must be done with Initialize().
@ -54,13 +57,9 @@ class PrintJob : public PrintJobWorkerOwner,
virtual void GetSettingsDone(const PrintSettings& new_settings,
PrintingContext::Result result) OVERRIDE;
virtual PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) OVERRIDE;
virtual base::MessageLoop* message_loop() OVERRIDE;
virtual const PrintSettings& settings() const OVERRIDE;
virtual int cookie() const OVERRIDE;
// DestructionObserver implementation.
virtual void WillDestroyCurrentMessageLoop() OVERRIDE;
// Starts the actual printing. Signals the worker that it should begin to
// spool as soon as data is available.
void StartPrinting();
@ -116,10 +115,6 @@ class PrintJob : public PrintJobWorkerOwner,
content::NotificationRegistrar registrar_;
// Main message loop reference. Used to send notifications in the right
// thread.
base::MessageLoop* const ui_message_loop_;
// Source that generates the PrintedPage's (i.e. a WebContents). It will be
// set back to NULL if the source is deleted before this object.
PrintedPagesSource* source_;