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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 "nsDragServiceProxy.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/BrowserChild.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/net/CookieJarSettings.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/Unused.h"
#include "nsContentUtils.h"
using mozilla::CSSIntRegion;
using mozilla::LayoutDeviceIntRect;
using mozilla::Maybe;
using mozilla::Nothing;
using mozilla::Some;
using mozilla::dom::BrowserChild;
using mozilla::gfx::DataSourceSurface;
using mozilla::gfx::SourceSurface;
using mozilla::gfx::SurfaceFormat;
using mozilla::ipc::Shmem;
nsDragServiceProxy::nsDragServiceProxy() = default;
nsDragServiceProxy::~nsDragServiceProxy() = default;
nsresult nsDragServiceProxy::InvokeDragSessionImpl(
nsIArray* aArrayTransferables, const Maybe<CSSIntRegion>& aRegion,
uint32_t aActionType) {
NS_ENSURE_STATE(mSourceDocument->GetDocShell());
BrowserChild* child = BrowserChild::GetFrom(mSourceDocument->GetDocShell());
NS_ENSURE_STATE(child);
nsTArray<mozilla::dom::IPCTransferableData> transferables;
nsContentUtils::TransferablesToIPCTransferableDatas(
aArrayTransferables, transferables, false, nullptr);
nsCOMPtr<nsIPrincipal> principal;
if (mSourceNode) {
principal = mSourceNode->NodePrincipal();
}
nsCOMPtr<nsIContentSecurityPolicy> csp;
if (mSourceDocument) {
csp = mSourceDocument->GetCsp();
// XXX why do we need this here? Shouldn't they be set properly in
// nsBaseDragService already?
mSourceWindowContext = mSourceDocument->GetWindowContext();
mSourceTopWindowContext = mSourceWindowContext
? mSourceWindowContext->TopWindowContext()
: nullptr;
}
nsCOMPtr<nsICookieJarSettings> cookieJarSettings;
cookieJarSettings = mSourceDocument->CookieJarSettings();
mozilla::net::CookieJarSettingsArgs csArgs;
mozilla::net::CookieJarSettings::Cast(cookieJarSettings)->Serialize(csArgs);
LayoutDeviceIntRect dragRect;
if (mHasImage || mSelection) {
nsPresContext* pc;
RefPtr<SourceSurface> surface;
DrawDrag(mSourceNode, aRegion, mScreenPosition, &dragRect, &surface, &pc);
if (surface) {
RefPtr<DataSourceSurface> dataSurface = surface->GetDataSurface();
if (dataSurface) {
size_t length;
int32_t stride;
auto surfaceData =
nsContentUtils::GetSurfaceData(*dataSurface, &length, &stride);
if (surfaceData.isNothing()) {
NS_WARNING("Failed to create shared memory for drag session.");
return NS_ERROR_FAILURE;
}
mozilla::Unused << child->SendInvokeDragSession(
std::move(transferables), aActionType, std::move(surfaceData),
stride, dataSurface->GetFormat(), dragRect, principal, csp, csArgs,
mSourceWindowContext, mSourceTopWindowContext);
StartDragSession();
return NS_OK;
}
}
}
mozilla::Unused << child->SendInvokeDragSession(
std::move(transferables), aActionType, Nothing(), 0,
static_cast<SurfaceFormat>(0), dragRect, principal, csp, csArgs,
mSourceWindowContext, mSourceTopWindowContext);
StartDragSession();
return NS_OK;
}
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