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/. */
7 #include "nsPrintData.h"
9 #include "mozilla/gfx/PrintPromise.h"
10 #include "nsIStringBundle.h"
11 #include "nsIWidget.h"
12 #include "nsPrintObject.h"
13 #include "nsIWebProgressListener.h"
14 #include "mozilla/Services.h"
16 //-----------------------------------------------------
18 #include "mozilla/Logging.h"
20 extern mozilla::LazyLogModule gPrintingLog
;
22 #define PR_PL(_p1) MOZ_LOG(gPrintingLog, mozilla::LogLevel::Debug, _p1);
24 static void InformListenersOfProgressChange(
25 const nsCOMArray
<nsIWebProgressListener
>& aListeners
, int32_t aProgress
,
26 int32_t aMaxProgress
, bool aDoStartStop
, int32_t aFlag
) {
27 size_t numberOfListeners
= aListeners
.Length();
28 for (size_t i
= 0; i
< numberOfListeners
; ++i
) {
29 nsCOMPtr
<nsIWebProgressListener
> listener
= aListeners
.SafeElementAt(i
);
30 if (NS_WARN_IF(!listener
)) {
33 listener
->OnProgressChange(nullptr, nullptr, aProgress
, aMaxProgress
,
34 aProgress
, aMaxProgress
);
36 listener
->OnStateChange(nullptr, nullptr, aFlag
, NS_OK
);
41 static void InformListenersOfEndPrinting(
42 const nsCOMArray
<nsIWebProgressListener
>& aListeners
) {
43 InformListenersOfProgressChange(
44 aListeners
, 100, 100, true,
45 nsIWebProgressListener::STATE_STOP
|
46 nsIWebProgressListener::STATE_IS_DOCUMENT
);
47 InformListenersOfProgressChange(aListeners
, 100, 100, true,
48 nsIWebProgressListener::STATE_STOP
|
49 nsIWebProgressListener::STATE_IS_NETWORK
);
52 //---------------------------------------------------
53 //-- nsPrintData Class Impl
54 //---------------------------------------------------
55 nsPrintData::nsPrintData(ePrintDataType aType
)
56 : mType(aType
), mOnStartSent(false), mIsAborted(false) {}
58 nsPrintData::~nsPrintData() {
59 // Two things need to be done:
60 // - Inform the listeners
61 // - End/Abort document
62 // Preview requires neither, so return early.
63 if (mType
== eIsPrintPreview
) {
68 PR_PL(("****************** End Document ************************\n"));
70 if (mPrintDC
->IsCurrentlyPrintingDocument()) {
72 auto promise
= mPrintDC
->EndDocument();
74 promise
->Then(mozilla::GetMainThreadSerialEventTarget(), __func__
,
75 [listeners
= std::move(mPrintProgressListeners
)](
76 // We're in dtor, so capture listeners by move.
77 const mozilla::gfx::PrintEndDocumentPromise::
78 ResolveOrRejectValue
&) {
79 InformListenersOfEndPrinting(listeners
);
82 // Informing listeners asynchronously, or don't need to inform them, so
86 mPrintDC
->AbortDocument();
90 // Synchronously notify the listeners.
95 void nsPrintData::OnStartPrinting() {
97 InformListenersOfProgressChange(
98 mPrintProgressListeners
, 0, 0, true,
99 nsIWebProgressListener::STATE_START
|
100 nsIWebProgressListener::STATE_IS_DOCUMENT
|
101 nsIWebProgressListener::STATE_IS_NETWORK
);
106 void nsPrintData::OnEndPrinting() {
107 InformListenersOfEndPrinting(mPrintProgressListeners
);
110 void nsPrintData::DoOnProgressChange(int32_t aProgress
, int32_t aMaxProgress
,
111 bool aDoStartStop
, int32_t aFlag
) {
112 InformListenersOfProgressChange(mPrintProgressListeners
, aProgress
,
113 aMaxProgress
, aDoStartStop
, aFlag
);
116 void nsPrintData::DoOnStatusChange(nsresult aStatus
) {
117 size_t numberOfListeners
= mPrintProgressListeners
.Length();
118 for (size_t i
= 0; i
< numberOfListeners
; ++i
) {
119 nsCOMPtr
<nsIWebProgressListener
> listener
=
120 mPrintProgressListeners
.SafeElementAt(i
);
121 if (NS_WARN_IF(!listener
)) {
124 listener
->OnStatusChange(nullptr, nullptr, aStatus
, nullptr);