widget/xpwidgets/nsFilePickerProxy.cpp

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsFilePickerProxy.h"
   8 #include "nsComponentManagerUtils.h"
   9 #include "nsNetUtil.h"
  10 #include "nsIFile.h"
  11 #include "nsDOMFile.h"
  12 #include "mozilla/dom/TabChild.h"
  13 #include "mozilla/dom/ipc/Blob.h"
  14
  15 using namespace mozilla::dom;
  16
  17 NS_IMPL_ISUPPORTS(nsFilePickerProxy, nsIFilePicker)
  18
  19 nsFilePickerProxy::nsFilePickerProxy()
  20 {
  21 }
  22
  23 nsFilePickerProxy::~nsFilePickerProxy()
  24 {
  25 }
  26
  27 NS_IMETHODIMP
  28 nsFilePickerProxy::Init(nsIDOMWindow* aParent, const nsAString& aTitle,
  29                         int16_t aMode)
  30 {
  31   TabChild* tabChild = TabChild::GetFrom(aParent);
  32   if (!tabChild) {
  33     return NS_ERROR_FAILURE;
  34   }
  35
  36   mMode = aMode;
  37
  38   NS_ADDREF_THIS();
  39   tabChild->SendPFilePickerConstructor(this, nsString(aTitle), aMode);
  40   return NS_OK;
  41 }
  42
  43 void
  44 nsFilePickerProxy::InitNative(nsIWidget* aParent, const nsAString& aTitle)
  45 {
  46 }
  47
  48 NS_IMETHODIMP
  49 nsFilePickerProxy::AppendFilter(const nsAString& aTitle, const nsAString& aFilter)
  50 {
  51   mFilterNames.AppendElement(aTitle);
  52   mFilters.AppendElement(aFilter);
  53   return NS_OK;
  54 }
  55
  56 NS_IMETHODIMP
  57 nsFilePickerProxy::GetDefaultString(nsAString& aDefaultString)
  58 {
  59   aDefaultString = mDefault;
  60   return NS_OK;
  61 }
  62
  63 NS_IMETHODIMP
  64 nsFilePickerProxy::SetDefaultString(const nsAString& aDefaultString)
  65 {
  66   mDefault = aDefaultString;
  67   return NS_OK;
  68 }
  69
  70 NS_IMETHODIMP
  71 nsFilePickerProxy::GetDefaultExtension(nsAString& aDefaultExtension)
  72 {
  73   aDefaultExtension = mDefaultExtension;
  74   return NS_OK;
  75 }
  76
  77 NS_IMETHODIMP
  78 nsFilePickerProxy::SetDefaultExtension(const nsAString& aDefaultExtension)
  79 {
  80   mDefaultExtension = aDefaultExtension;
  81   return NS_OK;
  82 }
  83
  84 NS_IMETHODIMP
  85 nsFilePickerProxy::GetFilterIndex(int32_t* aFilterIndex)
  86 {
  87   *aFilterIndex = mSelectedType;
  88   return NS_OK;
  89 }
  90
  91 NS_IMETHODIMP
  92 nsFilePickerProxy::SetFilterIndex(int32_t aFilterIndex)
  93 {
  94   mSelectedType = aFilterIndex;
  95   return NS_OK;
  96 }
  97
  98 /* readonly attribute nsIFile file; */
  99 NS_IMETHODIMP
 100 nsFilePickerProxy::GetFile(nsIFile** aFile)
 101 {
 102   MOZ_ASSERT(false, "GetFile is unimplemented; use GetDomfile");
 103   return NS_ERROR_FAILURE;
 104 }
 105
 106 /* readonly attribute nsIFileURL fileURL; */
 107 NS_IMETHODIMP
 108 nsFilePickerProxy::GetFileURL(nsIURI** aFileURL)
 109 {
 110   MOZ_ASSERT(false, "GetFileURL is unimplemented; use GetDomfile");
 111   return NS_ERROR_FAILURE;
 112 }
 113
 114 /* readonly attribute nsISimpleEnumerator files; */
 115 NS_IMETHODIMP
 116 nsFilePickerProxy::GetFiles(nsISimpleEnumerator** aFiles)
 117 {
 118   MOZ_ASSERT(false, "GetFiles is unimplemented; use GetDomfiles");
 119   return NS_ERROR_FAILURE;
 120 }
 121
 122 NS_IMETHODIMP
 123 nsFilePickerProxy::Show(int16_t* aReturn)
 124 {
 125   MOZ_ASSERT(false, "Show is unimplemented; use Open");
 126   return NS_ERROR_NOT_IMPLEMENTED;
 127 }
 128
 129 NS_IMETHODIMP
 130 nsFilePickerProxy::Open(nsIFilePickerShownCallback* aCallback)
 131 {
 132   mCallback = aCallback;
 133
 134   SendOpen(mSelectedType, mAddToRecentDocs, mDefault,
 135            mDefaultExtension, mFilters, mFilterNames);
 136
 137   return NS_OK;
 138 }
 139
 140 bool
 141 nsFilePickerProxy::Recv__delete__(const MaybeInputFiles& aFiles,
 142                                   const int16_t& aResult)
 143 {
 144   if (aFiles.type() == MaybeInputFiles::TInputFiles) {
 145     const InfallibleTArray<PBlobChild*>& files = aFiles.get_InputFiles().filesChild();
 146     for (uint32_t i = 0; i < files.Length(); ++i) {
 147       BlobChild* actor = static_cast<BlobChild*>(files[i]);
 148       nsCOMPtr<nsIDOMBlob> blob = actor->GetBlob();
 149       nsCOMPtr<nsIDOMFile> file(do_QueryInterface(blob));
 150       NS_ENSURE_TRUE(file, true);
 151       mDomfiles.AppendObject(file);
 152     }
 153   }
 154
 155   if (mCallback) {
 156     mCallback->Done(aResult);
 157     mCallback = nullptr;
 158   }
 159
 160   return true;
 161 }
 162
 163 NS_IMETHODIMP
 164 nsFilePickerProxy::GetDomfile(nsIDOMFile** aDomfile)
 165 {
 166   *aDomfile = nullptr;
 167   if (mDomfiles.IsEmpty()) {
 168     return NS_OK;
 169   }
 170
 171   MOZ_ASSERT(mDomfiles.Length() == 1);
 172   nsCOMPtr<nsIDOMFile> domfile = mDomfiles[0];
 173   domfile.forget(aDomfile);
 174   return NS_OK;
 175 }
 176
 177 NS_IMETHODIMP
 178 nsFilePickerProxy::GetDomfiles(nsISimpleEnumerator** aDomfiles)
 179 {
 180   return NS_NewArrayEnumerator(aDomfiles, mDomfiles);
 181 }