1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Unused.h"
#include "nsIWebProgressListener.h"
#include "PrintProgressDialogParent.h"
using mozilla::Unused;
namespace mozilla {
namespace embedding {
NS_IMPL_ISUPPORTS(PrintProgressDialogParent, nsIObserver)
PrintProgressDialogParent::PrintProgressDialogParent() : mActive(true) {}
PrintProgressDialogParent::~PrintProgressDialogParent() = default;
void PrintProgressDialogParent::SetWebProgressListener(
nsIWebProgressListener* aListener) {
mWebProgressListener = aListener;
}
void PrintProgressDialogParent::SetPrintProgressParams(
nsIPrintProgressParams* aParams) {
mPrintProgressParams = aParams;
}
mozilla::ipc::IPCResult PrintProgressDialogParent::RecvStateChange(
const long& stateFlags, const nsresult& status) {
if (mWebProgressListener) {
mWebProgressListener->OnStateChange(nullptr, nullptr, stateFlags, status);
}
return IPC_OK();
}
mozilla::ipc::IPCResult PrintProgressDialogParent::RecvProgressChange(
const long& curSelfProgress, const long& maxSelfProgress,
const long& curTotalProgress, const long& maxTotalProgress) {
if (mWebProgressListener) {
mWebProgressListener->OnProgressChange(nullptr, nullptr, curSelfProgress,
maxSelfProgress, curTotalProgress,
maxTotalProgress);
}
return IPC_OK();
}
mozilla::ipc::IPCResult PrintProgressDialogParent::RecvDocTitleChange(
const nsString& newTitle) {
if (mPrintProgressParams) {
mPrintProgressParams->SetDocTitle(newTitle);
}
return IPC_OK();
}
mozilla::ipc::IPCResult PrintProgressDialogParent::RecvDocURLChange(
const nsString& newURL) {
if (mPrintProgressParams) {
mPrintProgressParams->SetDocURL(newURL);
}
return IPC_OK();
}
void PrintProgressDialogParent::ActorDestroy(ActorDestroyReason aWhy) {
// If IPC actor is destroyed, we can't send to child via IPC.
mActive = false;
}
mozilla::ipc::IPCResult PrintProgressDialogParent::Recv__delete__() {
// The child has requested that we tear down the connection, so we set a
// member to make sure we don't try to contact it after the fact.
mActive = false;
return IPC_OK();
}
// nsIObserver
NS_IMETHODIMP
PrintProgressDialogParent::Observe(nsISupports* aSubject, const char* aTopic,
const char16_t* aData) {
if (mActive) {
if (aTopic) {
if (!strcmp(aTopic, "cancelled")) {
Unused << SendCancelledCurrentJob();
if (!mDialogOpenedSent) {
// We haven't already called SendDialogOpened, so call it now or it
// might never get sent and block the child from new printing
// requests. Also set mActive to false because we don't want to send
// it twice and our PrintProgressDialogChild will get deleted anyway.
Unused << SendDialogOpened();
mActive = false;
}
} else if (!strcmp(aTopic, "completed")) {
// Once printing is complete don't send any messages to the child.
mActive = false;
}
} else {
Unused << SendDialogOpened();
mDialogOpenedSent = true;
}
} else {
NS_WARNING(
"The print progress dialog finished opening, but communications "
"with the child have been closed.");
}
return NS_OK;
}
} // namespace embedding
} // namespace mozilla
|