layout/printing/ipc/RemotePrintJobParent.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_layout_RemotePrintJobParent_h
   8 #define mozilla_layout_RemotePrintJobParent_h
   9
  10 #include "mozilla/layout/PRemotePrintJobParent.h"
  11 #include "mozilla/layout/printing/DrawEventRecorder.h"
  12
  13 #include "nsCOMArray.h"
  14 #include "nsCOMPtr.h"
  15 #include "mozilla/RefPtr.h"
  16 #include "mozilla/UniquePtr.h"
  17 #include "mozilla/gfx/RecordedEvent.h"
  18 #include "mozilla/gfx/CrossProcessPaint.h"
  19
  20 class nsDeviceContext;
  21 class nsIPrintSettings;
  22 class nsIWebProgressListener;
  23
  24 namespace mozilla {
  25 namespace layout {
  26
  27 class PrintTranslator;
  28
  29 class RemotePrintJobParent final : public PRemotePrintJobParent {
  30  public:
  31   NS_INLINE_DECL_REFCOUNTING(RemotePrintJobParent);
  32
  33   explicit RemotePrintJobParent(nsIPrintSettings* aPrintSettings);
  34
  35   void ActorDestroy(ActorDestroyReason aWhy) final;
  36
  37   mozilla::ipc::IPCResult RecvInitializePrint(const nsAString& aDocumentTitle,
  38                                               const int32_t& aStartPage,
  39                                               const int32_t& aEndPage) final;
  40
  41   mozilla::ipc::IPCResult RecvProcessPage(nsTArray<uint64_t>&& aDeps) final;
  42
  43   mozilla::ipc::IPCResult RecvFinalizePrint() final;
  44
  45   mozilla::ipc::IPCResult RecvAbortPrint(const nsresult& aRv) final;
  46
  47   mozilla::ipc::IPCResult RecvProgressChange(
  48       const long& aCurSelfProgress, const long& aMaxSelfProgress,
  49       const long& aCurTotalProgress, const long& aMaxTotalProgress) final;
  50
  51   mozilla::ipc::IPCResult RecvStatusChange(const nsresult& aStatus) final;
  52
  53   /**
  54    * Register a progress listener to receive print progress updates.
  55    *
  56    * @param aListener the progress listener to register. Must not be null.
  57    */
  58   void RegisterListener(nsIWebProgressListener* aListener);
  59
  60   /**
  61    * @return the print settings for this remote print job.
  62    */
  63   already_AddRefed<nsIPrintSettings> GetPrintSettings();
  64
  65  private:
  66   ~RemotePrintJobParent() final;
  67
  68   nsresult InitializePrintDevice(const nsAString& aDocumentTitle,
  69                                  const int32_t& aStartPage,
  70                                  const int32_t& aEndPage);
  71
  72   nsresult PrepareNextPageFD(FileDescriptor* aFd);
  73
  74   nsresult PrintPage(
  75       PRFileDescStream& aRecording,
  76       gfx::CrossProcessPaint::ResolvedFragmentMap* aFragments = nullptr);
  77   void FinishProcessingPage(
  78       gfx::CrossProcessPaint::ResolvedFragmentMap* aFragments = nullptr);
  79
  80   /**
  81    * Called to notify our corresponding RemotePrintJobChild once we've
  82    * finished printing a page.
  83    */
  84   void PageDone(nsresult aResult);
  85
  86   nsCOMPtr<nsIPrintSettings> mPrintSettings;
  87   RefPtr<nsDeviceContext> mPrintDeviceContext;
  88   UniquePtr<PrintTranslator> mPrintTranslator;
  89   nsCOMArray<nsIWebProgressListener> mPrintProgressListeners;
  90   PRFileDescStream mCurrentPageStream;
  91   bool mIsDoingPrinting;
  92   nsresult mStatus;
  93 };
  94
  95 }  // namespace layout
  96 }  // namespace mozilla
  97
  98 #endif  // mozilla_layout_RemotePrintJobParent_h