widget/ClipboardWriteRequestChild.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "mozilla/ClipboardWriteRequestChild.h"
   7
   8 #if defined(ACCESSIBILITY) && defined(XP_WIN)
   9 #  include "mozilla/a11y/Compatibility.h"
  10 #endif
  11 #include "mozilla/dom/ContentChild.h"
  12 #include "mozilla/net/CookieJarSettings.h"
  13 #include "nsITransferable.h"
  14
  15 namespace mozilla {
  16
  17 NS_IMPL_ISUPPORTS(ClipboardWriteRequestChild, nsIAsyncSetClipboardData)
  18
  19 NS_IMETHODIMP
  20 ClipboardWriteRequestChild::SetData(nsITransferable* aTransferable,
  21                                     nsIClipboardOwner* aOwner) {
  22   MOZ_ASSERT(aTransferable);
  23   // Callback should be notified if actor is destroyed.
  24   MOZ_ASSERT_IF(!CanSend(), !mIsValid && !mCallback);
  25
  26   if (!mIsValid) {
  27     return NS_ERROR_FAILURE;
  28   }
  29
  30 #if defined(ACCESSIBILITY) && defined(XP_WIN)
  31   a11y::Compatibility::SuppressA11yForClipboardCopy();
  32 #endif
  33
  34   mIsValid = false;
  35   IPCDataTransfer ipcDataTransfer;
  36   nsContentUtils::TransferableToIPCTransferable(aTransferable, &ipcDataTransfer,
  37                                                 false, nullptr);
  38   Maybe<net::CookieJarSettingsArgs> cookieJarSettingsArgs;
  39   if (nsCOMPtr<nsICookieJarSettings> cookieJarSettings =
  40           aTransferable->GetCookieJarSettings()) {
  41     net::CookieJarSettingsArgs args;
  42     net::CookieJarSettings::Cast(cookieJarSettings)->Serialize(args);
  43     cookieJarSettingsArgs = Some(std::move(args));
  44   }
  45   SendSetData(std::move(ipcDataTransfer), aTransferable->GetIsPrivateData(),
  46               aTransferable->GetRequestingPrincipal(), cookieJarSettingsArgs,
  47               aTransferable->GetContentPolicyType(),
  48               aTransferable->GetReferrerInfo());
  49   return NS_OK;
  50 }
  51
  52 NS_IMETHODIMP ClipboardWriteRequestChild::Abort(nsresult aReason) {
  53   // Callback should be notified if actor is destroyed.
  54   MOZ_ASSERT_IF(!CanSend(), !mIsValid && !mCallback);
  55
  56   if (!mIsValid || !NS_FAILED(aReason)) {
  57     return NS_ERROR_FAILURE;
  58   }
  59
  60   // Need to notify callback first to propagate reason properly.
  61   MaybeNotifyCallback(aReason);
  62   Unused << PClipboardWriteRequestChild::Send__delete__(this, aReason);
  63   return NS_OK;
  64 }
  65
  66 ipc::IPCResult ClipboardWriteRequestChild::Recv__delete__(nsresult aResult) {
  67   MaybeNotifyCallback(aResult);
  68   return IPC_OK();
  69 }
  70
  71 void ClipboardWriteRequestChild::ActorDestroy(ActorDestroyReason aReason) {
  72   MaybeNotifyCallback(NS_ERROR_ABORT);
  73 }
  74
  75 void ClipboardWriteRequestChild::MaybeNotifyCallback(nsresult aResult) {
  76   mIsValid = false;
  77   if (nsCOMPtr<nsIAsyncSetClipboardDataCallback> callback =
  78           mCallback.forget()) {
  79     callback->OnComplete(aResult);
  80   }
  81 }
  82
  83 }  // namespace mozilla