Add m-esr52 at 52.6.0

1 files changed, 393 insertions, 0 deletions

diff --git a/widget/nsBaseFilePicker.cpp b/widget/nsBaseFilePicker.cpp
new file mode 100644
index 000000000..d65ffb651
--- /dev/null
+++ b/widget/nsBaseFilePicker.cpp
@@ -0,0 +1,393 @@
+/* -*- Mode: C++; tab-width: 2; 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 "nsCOMPtr.h"
+#include "nsPIDOMWindow.h"
+#include "nsIDocShell.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsIBaseWindow.h"
+#include "nsIWidget.h"
+
+#include "nsIStringBundle.h"
+#include "nsXPIDLString.h"
+#include "nsIServiceManager.h"
+#include "nsCOMArray.h"
+#include "nsIFile.h"
+#include "nsEnumeratorUtils.h"
+#include "mozilla/dom/Directory.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/Services.h"
+#include "WidgetUtils.h"
+#include "nsThreadUtils.h"
+
+#include "nsBaseFilePicker.h"
+
+using namespace mozilla::widget;
+using namespace mozilla::dom;
+
+#define FILEPICKER_TITLES "chrome://global/locale/filepicker.properties"
+#define FILEPICKER_FILTERS "chrome://global/content/filepicker.properties"
+
+namespace {
+
+nsresult
+LocalFileToDirectoryOrBlob(nsPIDOMWindowInner* aWindow,
+                           bool aIsDirectory,
+                           nsIFile* aFile,
+                           nsISupports** aResult)
+{
+  if (aIsDirectory) {
+#ifdef DEBUG
+    bool isDir;
+    aFile->IsDirectory(&isDir);
+    MOZ_ASSERT(isDir);
+#endif
+
+    RefPtr<Directory> directory = Directory::Create(aWindow, aFile);
+    MOZ_ASSERT(directory);
+
+    directory.forget(aResult);
+    return NS_OK;
+  }
+
+  nsCOMPtr<nsIDOMBlob> blob = File::CreateFromFile(aWindow, aFile);
+  blob.forget(aResult);
+  return NS_OK;
+}
+
+} // anonymous namespace
+
+/**
+ * A runnable to dispatch from the main thread to the main thread to display
+ * the file picker while letting the showAsync method return right away.
+*/
+class AsyncShowFilePicker : public mozilla::Runnable
+{
+public:
+  AsyncShowFilePicker(nsIFilePicker *aFilePicker,
+                      nsIFilePickerShownCallback *aCallback) :
+    mFilePicker(aFilePicker),
+    mCallback(aCallback)
+  {
+  }
+
+  NS_IMETHOD Run() override
+  {
+    NS_ASSERTION(NS_IsMainThread(),
+                 "AsyncShowFilePicker should be on the main thread!");
+
+    // It's possible that some widget implementations require GUI operations
+    // to be on the main thread, so that's why we're not dispatching to another
+    // thread and calling back to the main after it's done.
+    int16_t result = nsIFilePicker::returnCancel;
+    nsresult rv = mFilePicker->Show(&result);
+    if (NS_FAILED(rv)) {
+      NS_ERROR("FilePicker's Show() implementation failed!");
+    }
+
+    if (mCallback) {
+      mCallback->Done(result);
+    }
+    return NS_OK;
+  }
+
+private:
+  RefPtr<nsIFilePicker> mFilePicker;
+  RefPtr<nsIFilePickerShownCallback> mCallback;
+};
+
+class nsBaseFilePickerEnumerator : public nsISimpleEnumerator
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  nsBaseFilePickerEnumerator(nsPIDOMWindowOuter* aParent,
+                             nsISimpleEnumerator* iterator,
+                             int16_t aMode)
+    : mIterator(iterator)
+    , mParent(aParent->GetCurrentInnerWindow())
+    , mMode(aMode)
+  {}
+
+  NS_IMETHOD
+  GetNext(nsISupports** aResult) override
+  {
+    nsCOMPtr<nsISupports> tmp;
+    nsresult rv = mIterator->GetNext(getter_AddRefs(tmp));
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (!tmp) {
+      return NS_OK;
+    }
+
+    nsCOMPtr<nsIFile> localFile = do_QueryInterface(tmp);
+    if (!localFile) {
+      return NS_ERROR_FAILURE;
+    }
+
+    return LocalFileToDirectoryOrBlob(mParent,
+                                      mMode == nsIFilePicker::modeGetFolder,
+                                      localFile,
+                                      aResult);
+  }
+
+  NS_IMETHOD
+  HasMoreElements(bool* aResult) override
+  {
+    return mIterator->HasMoreElements(aResult);
+  }
+
+protected:
+  virtual ~nsBaseFilePickerEnumerator()
+  {}
+
+private:
+  nsCOMPtr<nsISimpleEnumerator> mIterator;
+  nsCOMPtr<nsPIDOMWindowInner> mParent;
+  int16_t mMode;
+};
+
+NS_IMPL_ISUPPORTS(nsBaseFilePickerEnumerator, nsISimpleEnumerator)
+
+nsBaseFilePicker::nsBaseFilePicker()
+  : mAddToRecentDocs(true)
+  , mMode(nsIFilePicker::modeOpen)
+{
+
+}
+
+nsBaseFilePicker::~nsBaseFilePicker()
+{
+
+}
+
+NS_IMETHODIMP nsBaseFilePicker::Init(mozIDOMWindowProxy* aParent,
+                                     const nsAString& aTitle,
+                                     int16_t aMode)
+{
+  NS_PRECONDITION(aParent, "Null parent passed to filepicker, no file "
+                  "picker for you!");
+
+  mParent = nsPIDOMWindowOuter::From(aParent);
+
+  nsCOMPtr<nsIWidget> widget = WidgetUtils::DOMWindowToWidget(mParent->GetOuterWindow());
+  NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
+
+
+  mMode = aMode;
+  InitNative(widget, aTitle);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::Open(nsIFilePickerShownCallback *aCallback)
+{
+  nsCOMPtr<nsIRunnable> filePickerEvent =
+    new AsyncShowFilePicker(this, aCallback);
+  return NS_DispatchToMainThread(filePickerEvent);
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::AppendFilters(int32_t aFilterMask)
+{
+  nsCOMPtr<nsIStringBundleService> stringService =
+    mozilla::services::GetStringBundleService();
+  if (!stringService)
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIStringBundle> titleBundle, filterBundle;
+
+  nsresult rv = stringService->CreateBundle(FILEPICKER_TITLES,
+                                            getter_AddRefs(titleBundle));
+  if (NS_FAILED(rv))
+    return NS_ERROR_FAILURE;
+
+  rv = stringService->CreateBundle(FILEPICKER_FILTERS, getter_AddRefs(filterBundle));
+  if (NS_FAILED(rv))
+    return NS_ERROR_FAILURE;
+
+  nsXPIDLString title;
+  nsXPIDLString filter;
+
+  if (aFilterMask & filterAll) {
+    titleBundle->GetStringFromName(u"allTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"allFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterHTML) {
+    titleBundle->GetStringFromName(u"htmlTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"htmlFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterText) {
+    titleBundle->GetStringFromName(u"textTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"textFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterImages) {
+    titleBundle->GetStringFromName(u"imageTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"imageFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterAudio) {
+    titleBundle->GetStringFromName(u"audioTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"audioFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterVideo) {
+    titleBundle->GetStringFromName(u"videoTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"videoFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterXML) {
+    titleBundle->GetStringFromName(u"xmlTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"xmlFilter", getter_Copies(filter));
+    AppendFilter(title,filter);
+  }
+  if (aFilterMask & filterXUL) {
+    titleBundle->GetStringFromName(u"xulTitle", getter_Copies(title));
+    filterBundle->GetStringFromName(u"xulFilter", getter_Copies(filter));
+    AppendFilter(title, filter);
+  }
+  if (aFilterMask & filterApps) {
+    titleBundle->GetStringFromName(u"appsTitle", getter_Copies(title));
+    // Pass the magic string "..apps" to the platform filepicker, which it
+    // should recognize and do the correct platform behavior for.
+    AppendFilter(title, NS_LITERAL_STRING("..apps"));
+  }
+  return NS_OK;
+}
+
+// Set the filter index
+NS_IMETHODIMP nsBaseFilePicker::GetFilterIndex(int32_t *aFilterIndex)
+{
+  *aFilterIndex = 0;
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsBaseFilePicker::SetFilterIndex(int32_t aFilterIndex)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsBaseFilePicker::GetFiles(nsISimpleEnumerator **aFiles)
+{
+  NS_ENSURE_ARG_POINTER(aFiles);
+  nsCOMArray <nsIFile> files;
+  nsresult rv;
+
+  // if we get into the base class, the platform
+  // doesn't implement GetFiles() yet.
+  // so we fake it.
+  nsCOMPtr <nsIFile> file;
+  rv = GetFile(getter_AddRefs(file));
+  NS_ENSURE_SUCCESS(rv,rv);
+
+  files.AppendObject(file);
+
+  return NS_NewArrayEnumerator(aFiles, files);
+}
+
+// Set the display directory
+NS_IMETHODIMP nsBaseFilePicker::SetDisplayDirectory(nsIFile *aDirectory)
+{
+  if (!aDirectory) {
+    mDisplayDirectory = nullptr;
+    return NS_OK;
+  }
+  nsCOMPtr<nsIFile> directory;
+  nsresult rv = aDirectory->Clone(getter_AddRefs(directory));
+  if (NS_FAILED(rv))
+    return rv;
+  mDisplayDirectory = do_QueryInterface(directory, &rv);
+  return rv;
+}
+
+// Get the display directory
+NS_IMETHODIMP nsBaseFilePicker::GetDisplayDirectory(nsIFile **aDirectory)
+{
+  *aDirectory = nullptr;
+  if (!mDisplayDirectory)
+    return NS_OK;
+  nsCOMPtr<nsIFile> directory;
+  nsresult rv = mDisplayDirectory->Clone(getter_AddRefs(directory));
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+  directory.forget(aDirectory);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::GetAddToRecentDocs(bool *aFlag)
+{
+  *aFlag = mAddToRecentDocs;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::SetAddToRecentDocs(bool aFlag)
+{
+  mAddToRecentDocs = aFlag;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::GetMode(int16_t* aMode)
+{
+  *aMode = mMode;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::SetOkButtonLabel(const nsAString& aLabel)
+{
+  mOkButtonLabel = aLabel;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::GetOkButtonLabel(nsAString& aLabel)
+{
+  aLabel = mOkButtonLabel;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::GetDomFileOrDirectory(nsISupports** aValue)
+{
+  nsCOMPtr<nsIFile> localFile;
+  nsresult rv = GetFile(getter_AddRefs(localFile));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (!localFile) {
+    *aValue = nullptr;
+    return NS_OK;
+  }
+
+  auto* innerParent = mParent ? mParent->GetCurrentInnerWindow() : nullptr;
+
+  return LocalFileToDirectoryOrBlob(innerParent,
+                                    mMode == nsIFilePicker::modeGetFolder,
+                                    localFile,
+                                    aValue);
+}
+
+NS_IMETHODIMP
+nsBaseFilePicker::GetDomFileOrDirectoryEnumerator(nsISimpleEnumerator** aValue)
+{
+  nsCOMPtr<nsISimpleEnumerator> iter;
+  nsresult rv = GetFiles(getter_AddRefs(iter));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  RefPtr<nsBaseFilePickerEnumerator> retIter =
+    new nsBaseFilePickerEnumerator(mParent, iter, mMode);
+
+  retIter.forget(aValue);
+  return NS_OK;
+}
+