mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 15:23:51 +00:00
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/* -*- 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::IPCDataTransfer> dataTransfers;
|
|
nsContentUtils::TransferablesToIPCTransferables(
|
|
aArrayTransferables, dataTransfers, false, child->Manager(), nullptr);
|
|
|
|
nsCOMPtr<nsIPrincipal> principal;
|
|
if (mSourceNode) {
|
|
principal = mSourceNode->NodePrincipal();
|
|
}
|
|
|
|
nsCOMPtr<nsIContentSecurityPolicy> csp;
|
|
if (mSourceDocument) {
|
|
csp = mSourceDocument->GetCsp();
|
|
}
|
|
|
|
nsCOMPtr<nsICookieJarSettings> cookieJarSettings;
|
|
cookieJarSettings = mSourceDocument->CookieJarSettings();
|
|
net::CookieJarSettingsArgs csArgs;
|
|
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;
|
|
Maybe<Shmem> maybeShm = nsContentUtils::GetSurfaceData(
|
|
dataSurface, &length, &stride, child);
|
|
if (maybeShm.isNothing()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
auto surfaceData = maybeShm.value();
|
|
|
|
// Save the surface data to shared memory.
|
|
if (!surfaceData.IsReadable() || !surfaceData.get<char>()) {
|
|
NS_WARNING("Failed to create shared memory for drag session.");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mozilla::Unused << child->SendInvokeDragSession(
|
|
dataTransfers, aActionType, Some(std::move(surfaceData)), stride,
|
|
dataSurface->GetFormat(), dragRect, principal, csp, csArgs);
|
|
StartDragSession();
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
mozilla::Unused << child->SendInvokeDragSession(
|
|
dataTransfers, aActionType, Nothing(), 0, static_cast<SurfaceFormat>(0),
|
|
dragRect, principal, csp, csArgs);
|
|
StartDragSession();
|
|
return NS_OK;
|
|
}
|