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path: root/embedding/components/webbrowserpersist/WebBrowserPersistDocumentChild.cpp
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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 "WebBrowserPersistDocumentChild.h"

#include "mozilla/ipc/InputStreamUtils.h"
#include "nsIDocument.h"
#include "nsIInputStream.h"
#include "WebBrowserPersistLocalDocument.h"
#include "WebBrowserPersistResourcesChild.h"
#include "WebBrowserPersistSerializeChild.h"

namespace mozilla {

WebBrowserPersistDocumentChild::WebBrowserPersistDocumentChild()
{
}

WebBrowserPersistDocumentChild::~WebBrowserPersistDocumentChild()
{
}

void
WebBrowserPersistDocumentChild::Start(nsIDocument* aDocument)
{
    RefPtr<WebBrowserPersistLocalDocument> doc;
    if (aDocument) {
        doc = new WebBrowserPersistLocalDocument(aDocument);
    }
    Start(doc);
}

void
WebBrowserPersistDocumentChild::Start(nsIWebBrowserPersistDocument* aDocument)
{
    MOZ_ASSERT(!mDocument);
    if (!aDocument) {
        SendInitFailure(NS_ERROR_FAILURE);
        return;
    }

    WebBrowserPersistDocumentAttrs attrs;
    nsCOMPtr<nsIInputStream> postDataStream;
    OptionalInputStreamParams postData;
    nsTArray<FileDescriptor> postFiles;
#define ENSURE(e) do {           \
        nsresult rv = (e);       \
        if (NS_FAILED(rv)) {     \
            SendInitFailure(rv); \
            return;              \
        }                        \
    } while(0)
    ENSURE(aDocument->GetIsPrivate(&(attrs.isPrivate())));
    ENSURE(aDocument->GetDocumentURI(attrs.documentURI()));
    ENSURE(aDocument->GetBaseURI(attrs.baseURI()));
    ENSURE(aDocument->GetContentType(attrs.contentType()));
    ENSURE(aDocument->GetCharacterSet(attrs.characterSet()));
    ENSURE(aDocument->GetTitle(attrs.title()));
    ENSURE(aDocument->GetReferrer(attrs.referrer()));
    ENSURE(aDocument->GetContentDisposition(attrs.contentDisposition()));
    ENSURE(aDocument->GetCacheKey(&(attrs.cacheKey())));
    ENSURE(aDocument->GetPersistFlags(&(attrs.persistFlags())));
    ENSURE(aDocument->GetPostData(getter_AddRefs(postDataStream)));
    ipc::SerializeInputStream(postDataStream,
                              postData,
                              postFiles);
#undef ENSURE
    mDocument = aDocument;
    SendAttributes(attrs, postData, postFiles);
}

bool
WebBrowserPersistDocumentChild::RecvSetPersistFlags(const uint32_t& aNewFlags)
{
    mDocument->SetPersistFlags(aNewFlags);
    return true;
}

PWebBrowserPersistResourcesChild*
WebBrowserPersistDocumentChild::AllocPWebBrowserPersistResourcesChild()
{
    auto* actor = new WebBrowserPersistResourcesChild();
    NS_ADDREF(actor);
    return actor;
}

bool
WebBrowserPersistDocumentChild::RecvPWebBrowserPersistResourcesConstructor(PWebBrowserPersistResourcesChild* aActor)
{
    RefPtr<WebBrowserPersistResourcesChild> visitor =
        static_cast<WebBrowserPersistResourcesChild*>(aActor);
    nsresult rv = mDocument->ReadResources(visitor);
    if (NS_FAILED(rv)) {
        // This is a sync failure on the child side but an async
        // failure on the parent side -- it already got NS_OK from
        // ReadResources, so the error has to be reported via the
        // visitor instead.
        visitor->EndVisit(mDocument, rv);
    }
    return true;
}

bool
WebBrowserPersistDocumentChild::DeallocPWebBrowserPersistResourcesChild(PWebBrowserPersistResourcesChild* aActor)
{
    auto* castActor =
        static_cast<WebBrowserPersistResourcesChild*>(aActor);
    NS_RELEASE(castActor);
    return true;
}

PWebBrowserPersistSerializeChild*
WebBrowserPersistDocumentChild::AllocPWebBrowserPersistSerializeChild(
            const WebBrowserPersistURIMap& aMap,
            const nsCString& aRequestedContentType,
            const uint32_t& aEncoderFlags,
            const uint32_t& aWrapColumn)
{
    auto* actor = new WebBrowserPersistSerializeChild(aMap);
    NS_ADDREF(actor);
    return actor;
}

bool
WebBrowserPersistDocumentChild::RecvPWebBrowserPersistSerializeConstructor(
            PWebBrowserPersistSerializeChild* aActor,
            const WebBrowserPersistURIMap& aMap,
            const nsCString& aRequestedContentType,
            const uint32_t& aEncoderFlags,
            const uint32_t& aWrapColumn)
{
    auto* castActor =
        static_cast<WebBrowserPersistSerializeChild*>(aActor);
    // This actor performs the roles of: completion, URI map, and output stream.
    nsresult rv = mDocument->WriteContent(castActor,
                                          castActor,
                                          aRequestedContentType,
                                          aEncoderFlags,
                                          aWrapColumn,
                                          castActor);
    if (NS_FAILED(rv)) {
        castActor->OnFinish(mDocument, castActor, aRequestedContentType, rv);
    }
    return true;
}

bool
WebBrowserPersistDocumentChild::DeallocPWebBrowserPersistSerializeChild(PWebBrowserPersistSerializeChild* aActor)
{
    auto* castActor =
        static_cast<WebBrowserPersistSerializeChild*>(aActor);
    NS_RELEASE(castActor);
    return true;
}

} // namespace mozilla