forked from mirrors/gecko-dev
131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Unused.h"
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#include "nsIPrintProgressParams.h"
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#include "nsIWebProgressListener.h"
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#include "PrintProgressDialogParent.h"
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using mozilla::Unused;
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namespace mozilla {
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namespace embedding {
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NS_IMPL_ISUPPORTS(PrintProgressDialogParent, nsIObserver)
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PrintProgressDialogParent::PrintProgressDialogParent() :
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mActive(true)
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{
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}
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PrintProgressDialogParent::~PrintProgressDialogParent()
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{
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}
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void
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PrintProgressDialogParent::SetWebProgressListener(nsIWebProgressListener* aListener)
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{
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mWebProgressListener = aListener;
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}
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void
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PrintProgressDialogParent::SetPrintProgressParams(nsIPrintProgressParams* aParams)
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{
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mPrintProgressParams = aParams;
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}
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mozilla::ipc::IPCResult
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PrintProgressDialogParent::RecvStateChange(const long& stateFlags,
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const nsresult& status)
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{
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if (mWebProgressListener) {
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mWebProgressListener->OnStateChange(nullptr, nullptr, stateFlags, status);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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PrintProgressDialogParent::RecvProgressChange(const long& curSelfProgress,
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const long& maxSelfProgress,
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const long& curTotalProgress,
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const long& maxTotalProgress)
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{
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if (mWebProgressListener) {
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mWebProgressListener->OnProgressChange(nullptr, nullptr, curSelfProgress,
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maxSelfProgress, curTotalProgress,
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maxTotalProgress);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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PrintProgressDialogParent::RecvDocTitleChange(const nsString& newTitle)
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{
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if (mPrintProgressParams) {
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mPrintProgressParams->SetDocTitle(newTitle);
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}
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return IPC_OK();
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}
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mozilla::ipc::IPCResult
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PrintProgressDialogParent::RecvDocURLChange(const nsString& newURL)
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{
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if (mPrintProgressParams) {
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mPrintProgressParams->SetDocURL(newURL);
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}
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return IPC_OK();
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}
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void
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PrintProgressDialogParent::ActorDestroy(ActorDestroyReason aWhy)
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{
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// If IPC actor is destroyed, we can't send to child via IPC.
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mActive = false;
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}
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mozilla::ipc::IPCResult
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PrintProgressDialogParent::Recv__delete__()
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{
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// The child has requested that we tear down the connection, so we set a
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// member to make sure we don't try to contact it after the fact.
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mActive = false;
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return IPC_OK();
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}
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// nsIObserver
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NS_IMETHODIMP
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PrintProgressDialogParent::Observe(nsISupports *aSubject, const char *aTopic,
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const char16_t *aData)
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{
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if (mActive) {
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if (aTopic) {
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if (!strcmp(aTopic, "cancelled")) {
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Unused << SendCancelledCurrentJob();
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if (!mDialogOpenedSent) {
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// We haven't already called SendDialogOpened, so call it now or it
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// might never get sent and block the child from new printing requests.
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// Also set mActive to false because we don't want to send it twice
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// and our PrintProgressDialogChild will get deleted anyway.
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Unused << SendDialogOpened();
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mActive = false;
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}
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} else if (!strcmp(aTopic, "completed")) {
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// Once printing is complete don't send any messages to the child.
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mActive = false;
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}
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} else {
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Unused << SendDialogOpened();
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mDialogOpenedSent = true;
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}
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} else {
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NS_WARNING("The print progress dialog finished opening, but communications "
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"with the child have been closed.");
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}
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return NS_OK;
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}
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} // namespace embedding
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} // namespace mozilla
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