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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/components/filepicker/nsFileView.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/components/filepicker/nsFileView.cpp')
-rw-r--r--toolkit/components/filepicker/nsFileView.cpp982
1 files changed, 982 insertions, 0 deletions
diff --git a/toolkit/components/filepicker/nsFileView.cpp b/toolkit/components/filepicker/nsFileView.cpp
new file mode 100644
index 000000000..ad4471e86
--- /dev/null
+++ b/toolkit/components/filepicker/nsFileView.cpp
@@ -0,0 +1,982 @@
+/* -*- 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 "nsIFileView.h"
+#include "nsITreeView.h"
+#include "mozilla/ModuleUtils.h"
+#include "nsITreeSelection.h"
+#include "nsITreeColumns.h"
+#include "nsITreeBoxObject.h"
+#include "nsIFile.h"
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "nsCRT.h"
+#include "nsPrintfCString.h"
+#include "nsIDateTimeFormat.h"
+#include "nsQuickSort.h"
+#include "nsIAtom.h"
+#include "nsIAutoCompleteResult.h"
+#include "nsIAutoCompleteSearch.h"
+#include "nsISimpleEnumerator.h"
+#include "nsAutoPtr.h"
+#include "nsIMutableArray.h"
+#include "nsTArray.h"
+#include "mozilla/Attributes.h"
+
+#include "nsWildCard.h"
+
+class nsIDOMDataTransfer;
+
+#define NS_FILECOMPLETE_CID { 0xcb60980e, 0x18a5, 0x4a77, \
+ { 0x91, 0x10, 0x81, 0x46, 0x61, 0x4c, 0xa7, 0xf0 } }
+#define NS_FILECOMPLETE_CONTRACTID "@mozilla.org/autocomplete/search;1?name=file"
+
+class nsFileResult final : public nsIAutoCompleteResult
+{
+public:
+ // aSearchString is the text typed into the autocomplete widget
+ // aSearchParam is the picker's currently displayed directory
+ nsFileResult(const nsAString& aSearchString, const nsAString& aSearchParam);
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIAUTOCOMPLETERESULT
+
+ nsTArray<nsString> mValues;
+ nsString mSearchString;
+ uint16_t mSearchResult;
+private:
+ ~nsFileResult() {}
+};
+
+NS_IMPL_ISUPPORTS(nsFileResult, nsIAutoCompleteResult)
+
+nsFileResult::nsFileResult(const nsAString& aSearchString,
+ const nsAString& aSearchParam):
+ mSearchString(aSearchString)
+{
+ if (aSearchString.IsEmpty())
+ mSearchResult = RESULT_IGNORED;
+ else {
+ int32_t slashPos = mSearchString.RFindChar('/');
+ mSearchResult = RESULT_FAILURE;
+ nsCOMPtr<nsIFile> directory;
+ nsDependentSubstring parent(Substring(mSearchString, 0, slashPos + 1));
+ if (!parent.IsEmpty() && parent.First() == '/')
+ NS_NewLocalFile(parent, true, getter_AddRefs(directory));
+ if (!directory) {
+ if (NS_FAILED(NS_NewLocalFile(aSearchParam, true, getter_AddRefs(directory))))
+ return;
+ if (slashPos > 0)
+ directory->AppendRelativePath(Substring(mSearchString, 0, slashPos));
+ }
+ nsCOMPtr<nsISimpleEnumerator> dirEntries;
+ if (NS_FAILED(directory->GetDirectoryEntries(getter_AddRefs(dirEntries))))
+ return;
+ mSearchResult = RESULT_NOMATCH;
+ bool hasMore = false;
+ nsDependentSubstring prefix(Substring(mSearchString, slashPos + 1));
+ while (NS_SUCCEEDED(dirEntries->HasMoreElements(&hasMore)) && hasMore) {
+ nsCOMPtr<nsISupports> nextItem;
+ dirEntries->GetNext(getter_AddRefs(nextItem));
+ nsCOMPtr<nsIFile> nextFile(do_QueryInterface(nextItem));
+ nsAutoString fileName;
+ nextFile->GetLeafName(fileName);
+ if (StringBeginsWith(fileName, prefix)) {
+ fileName.Insert(parent, 0);
+ if (mSearchResult == RESULT_NOMATCH && fileName.Equals(mSearchString))
+ mSearchResult = RESULT_IGNORED;
+ else
+ mSearchResult = RESULT_SUCCESS;
+ bool isDirectory = false;
+ nextFile->IsDirectory(&isDirectory);
+ if (isDirectory)
+ fileName.Append('/');
+ mValues.AppendElement(fileName);
+ }
+ }
+ mValues.Sort();
+ }
+}
+
+NS_IMETHODIMP nsFileResult::GetSearchString(nsAString & aSearchString)
+{
+ aSearchString.Assign(mSearchString);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetSearchResult(uint16_t *aSearchResult)
+{
+ NS_ENSURE_ARG_POINTER(aSearchResult);
+ *aSearchResult = mSearchResult;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetDefaultIndex(int32_t *aDefaultIndex)
+{
+ NS_ENSURE_ARG_POINTER(aDefaultIndex);
+ *aDefaultIndex = -1;
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetErrorDescription(nsAString & aErrorDescription)
+{
+ aErrorDescription.Truncate();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetMatchCount(uint32_t *aMatchCount)
+{
+ NS_ENSURE_ARG_POINTER(aMatchCount);
+ *aMatchCount = mValues.Length();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetValueAt(int32_t index, nsAString & aValue)
+{
+ aValue = mValues[index];
+ if (aValue.Last() == '/')
+ aValue.Truncate(aValue.Length() - 1);
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetLabelAt(int32_t index, nsAString & aValue)
+{
+ return GetValueAt(index, aValue);
+}
+
+NS_IMETHODIMP nsFileResult::GetCommentAt(int32_t index, nsAString & aComment)
+{
+ aComment.Truncate();
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetStyleAt(int32_t index, nsAString & aStyle)
+{
+ if (mValues[index].Last() == '/')
+ aStyle.AssignLiteral("directory");
+ else
+ aStyle.AssignLiteral("file");
+ return NS_OK;
+}
+
+NS_IMETHODIMP nsFileResult::GetImageAt(int32_t index, nsAString & aImage)
+{
+ aImage.Truncate();
+ return NS_OK;
+}
+NS_IMETHODIMP nsFileResult::GetFinalCompleteValueAt(int32_t index,
+ nsAString & aValue)
+{
+ return GetValueAt(index, aValue);
+}
+
+NS_IMETHODIMP nsFileResult::RemoveValueAt(int32_t rowIndex, bool removeFromDb)
+{
+ return NS_OK;
+}
+
+class nsFileComplete final : public nsIAutoCompleteSearch
+{
+ ~nsFileComplete() {}
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIAUTOCOMPLETESEARCH
+};
+
+NS_IMPL_ISUPPORTS(nsFileComplete, nsIAutoCompleteSearch)
+
+NS_IMETHODIMP
+nsFileComplete::StartSearch(const nsAString& aSearchString,
+ const nsAString& aSearchParam,
+ nsIAutoCompleteResult *aPreviousResult,
+ nsIAutoCompleteObserver *aListener)
+{
+ NS_ENSURE_ARG_POINTER(aListener);
+ RefPtr<nsFileResult> result = new nsFileResult(aSearchString, aSearchParam);
+ NS_ENSURE_TRUE(result, NS_ERROR_OUT_OF_MEMORY);
+ return aListener->OnSearchResult(this, result);
+}
+
+NS_IMETHODIMP
+nsFileComplete::StopSearch()
+{
+ return NS_OK;
+}
+
+#define NS_FILEVIEW_CID { 0xa5570462, 0x1dd1, 0x11b2, \
+ { 0x9d, 0x19, 0xdf, 0x30, 0xa2, 0x7f, 0xbd, 0xc4 } }
+
+class nsFileView : public nsIFileView,
+ public nsITreeView
+{
+public:
+ nsFileView();
+ nsresult Init();
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIFILEVIEW
+ NS_DECL_NSITREEVIEW
+
+protected:
+ virtual ~nsFileView();
+
+ void FilterFiles();
+ void ReverseArray(nsTArray<nsCOMPtr<nsIFile> >& aArray);
+ void SortArray(nsTArray<nsCOMPtr<nsIFile> >& aArray);
+ void SortInternal();
+
+ nsTArray<nsCOMPtr<nsIFile> > mFileList;
+ nsTArray<nsCOMPtr<nsIFile> > mDirList;
+ nsTArray<nsCOMPtr<nsIFile> > mFilteredFiles;
+
+ nsCOMPtr<nsIFile> mDirectoryPath;
+ nsCOMPtr<nsITreeBoxObject> mTree;
+ nsCOMPtr<nsITreeSelection> mSelection;
+ nsCOMPtr<nsIDateTimeFormat> mDateFormatter;
+
+ int16_t mSortType;
+ int32_t mTotalRows;
+
+ nsTArray<char16_t*> mCurrentFilters;
+
+ bool mShowHiddenFiles;
+ bool mDirectoryFilter;
+ bool mReverseSort;
+};
+
+// Factory constructor
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsFileComplete)
+NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsFileView, Init)
+NS_DEFINE_NAMED_CID(NS_FILECOMPLETE_CID);
+NS_DEFINE_NAMED_CID(NS_FILEVIEW_CID);
+
+static const mozilla::Module::CIDEntry kFileViewCIDs[] = {
+ { &kNS_FILECOMPLETE_CID, false, nullptr, nsFileCompleteConstructor },
+ { &kNS_FILEVIEW_CID, false, nullptr, nsFileViewConstructor },
+ { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kFileViewContracts[] = {
+ { NS_FILECOMPLETE_CONTRACTID, &kNS_FILECOMPLETE_CID },
+ { NS_FILEVIEW_CONTRACTID, &kNS_FILEVIEW_CID },
+ { nullptr }
+};
+
+static const mozilla::Module kFileViewModule = {
+ mozilla::Module::kVersion,
+ kFileViewCIDs,
+ kFileViewContracts
+};
+
+NSMODULE_DEFN(nsFileViewModule) = &kFileViewModule;
+
+nsFileView::nsFileView() :
+ mSortType(-1),
+ mTotalRows(0),
+ mShowHiddenFiles(false),
+ mDirectoryFilter(false),
+ mReverseSort(false)
+{
+}
+
+nsFileView::~nsFileView()
+{
+ uint32_t count = mCurrentFilters.Length();
+ for (uint32_t i = 0; i < count; ++i)
+ free(mCurrentFilters[i]);
+}
+
+nsresult
+nsFileView::Init()
+{
+ mDateFormatter = nsIDateTimeFormat::Create();
+ if (!mDateFormatter)
+ return NS_ERROR_OUT_OF_MEMORY;
+
+ return NS_OK;
+}
+
+// nsISupports implementation
+
+NS_IMPL_ISUPPORTS(nsFileView, nsITreeView, nsIFileView)
+
+// nsIFileView implementation
+
+NS_IMETHODIMP
+nsFileView::SetShowHiddenFiles(bool aShowHidden)
+{
+ if (aShowHidden != mShowHiddenFiles) {
+ mShowHiddenFiles = aShowHidden;
+
+ // This could be better optimized, but since the hidden
+ // file functionality is not currently used, this will be fine.
+ SetDirectory(mDirectoryPath);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetShowHiddenFiles(bool* aShowHidden)
+{
+ *aShowHidden = mShowHiddenFiles;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetShowOnlyDirectories(bool aOnlyDirs)
+{
+ if (aOnlyDirs == mDirectoryFilter)
+ return NS_OK;
+
+ mDirectoryFilter = aOnlyDirs;
+ uint32_t dirCount = mDirList.Length();
+ if (mDirectoryFilter) {
+ int32_t rowDiff = mTotalRows - dirCount;
+
+ mFilteredFiles.Clear();
+ mTotalRows = dirCount;
+ if (mTree)
+ mTree->RowCountChanged(mTotalRows, -rowDiff);
+ } else {
+ // Run the filter again to get the file list back
+ FilterFiles();
+
+ SortArray(mFilteredFiles);
+ if (mReverseSort)
+ ReverseArray(mFilteredFiles);
+
+ if (mTree)
+ mTree->RowCountChanged(dirCount, mTotalRows - dirCount);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetShowOnlyDirectories(bool* aOnlyDirs)
+{
+ *aOnlyDirs = mDirectoryFilter;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetSortType(int16_t* aSortType)
+{
+ *aSortType = mSortType;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetReverseSort(bool* aReverseSort)
+{
+ *aReverseSort = mReverseSort;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::Sort(int16_t aSortType, bool aReverseSort)
+{
+ if (aSortType == mSortType) {
+ if (aReverseSort == mReverseSort)
+ return NS_OK;
+
+ mReverseSort = aReverseSort;
+ ReverseArray(mDirList);
+ ReverseArray(mFilteredFiles);
+ } else {
+ mSortType = aSortType;
+ mReverseSort = aReverseSort;
+ SortInternal();
+ }
+
+ if (mTree)
+ mTree->Invalidate();
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetDirectory(nsIFile* aDirectory)
+{
+ NS_ENSURE_ARG_POINTER(aDirectory);
+
+ nsCOMPtr<nsISimpleEnumerator> dirEntries;
+ aDirectory->GetDirectoryEntries(getter_AddRefs(dirEntries));
+
+ if (!dirEntries) {
+ // Couldn't read in the directory, this can happen if the user does not
+ // have permission to list it.
+ return NS_ERROR_FAILURE;
+ }
+
+ mDirectoryPath = aDirectory;
+ mFileList.Clear();
+ mDirList.Clear();
+
+ bool hasMore = false;
+
+ while (NS_SUCCEEDED(dirEntries->HasMoreElements(&hasMore)) && hasMore) {
+ nsCOMPtr<nsISupports> nextItem;
+ dirEntries->GetNext(getter_AddRefs(nextItem));
+ nsCOMPtr<nsIFile> theFile = do_QueryInterface(nextItem);
+
+ bool isDirectory = false;
+ if (theFile) {
+ theFile->IsDirectory(&isDirectory);
+
+ if (isDirectory) {
+ bool isHidden;
+ theFile->IsHidden(&isHidden);
+ if (mShowHiddenFiles || !isHidden) {
+ mDirList.AppendElement(theFile);
+ }
+ }
+ else {
+ mFileList.AppendElement(theFile);
+ }
+ }
+ }
+
+ if (mTree) {
+ mTree->BeginUpdateBatch();
+ mTree->RowCountChanged(0, -mTotalRows);
+ }
+
+ FilterFiles();
+ SortInternal();
+
+ if (mTree) {
+ mTree->EndUpdateBatch();
+ mTree->ScrollToRow(0);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetFilter(const nsAString& aFilterString)
+{
+ uint32_t filterCount = mCurrentFilters.Length();
+ for (uint32_t i = 0; i < filterCount; ++i)
+ free(mCurrentFilters[i]);
+ mCurrentFilters.Clear();
+
+ nsAString::const_iterator start, iter, end;
+ aFilterString.BeginReading(iter);
+ aFilterString.EndReading(end);
+
+ while (true) {
+ // skip over delimiters
+ while (iter != end && (*iter == ';' || *iter == ' '))
+ ++iter;
+
+ if (iter == end)
+ break;
+
+ start = iter; // start of a filter
+
+ // we know this is neither ';' nor ' ', skip to next char
+ ++iter;
+
+ // find next delimiter or end of string
+ while (iter != end && (*iter != ';' && *iter != ' '))
+ ++iter;
+
+ char16_t* filter = ToNewUnicode(Substring(start, iter));
+ if (!filter)
+ return NS_ERROR_OUT_OF_MEMORY;
+
+ if (!mCurrentFilters.AppendElement(filter)) {
+ free(filter);
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ if (iter == end)
+ break;
+
+ ++iter; // we know this is either ';' or ' ', skip to next char
+ }
+
+ if (mTree) {
+ mTree->BeginUpdateBatch();
+ uint32_t count = mDirList.Length();
+ mTree->RowCountChanged(count, count - mTotalRows);
+ }
+
+ mFilteredFiles.Clear();
+
+ FilterFiles();
+
+ SortArray(mFilteredFiles);
+ if (mReverseSort)
+ ReverseArray(mFilteredFiles);
+
+ if (mTree)
+ mTree->EndUpdateBatch();
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetSelectedFiles(nsIArray** aFiles)
+{
+ *aFiles = nullptr;
+ if (!mSelection)
+ return NS_OK;
+
+ int32_t numRanges;
+ mSelection->GetRangeCount(&numRanges);
+
+ uint32_t dirCount = mDirList.Length();
+ nsCOMPtr<nsIMutableArray> fileArray =
+ do_CreateInstance(NS_ARRAY_CONTRACTID);
+ NS_ENSURE_STATE(fileArray);
+
+ for (int32_t range = 0; range < numRanges; ++range) {
+ int32_t rangeBegin, rangeEnd;
+ mSelection->GetRangeAt(range, &rangeBegin, &rangeEnd);
+
+ for (int32_t itemIndex = rangeBegin; itemIndex <= rangeEnd; ++itemIndex) {
+ nsIFile* curFile = nullptr;
+
+ if (itemIndex < (int32_t) dirCount)
+ curFile = mDirList[itemIndex];
+ else {
+ if (itemIndex < mTotalRows)
+ curFile = mFilteredFiles[itemIndex - dirCount];
+ }
+
+ if (curFile)
+ fileArray->AppendElement(curFile, false);
+ }
+ }
+
+ fileArray.forget(aFiles);
+ return NS_OK;
+}
+
+
+// nsITreeView implementation
+
+NS_IMETHODIMP
+nsFileView::GetRowCount(int32_t* aRowCount)
+{
+ *aRowCount = mTotalRows;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetSelection(nsITreeSelection** aSelection)
+{
+ *aSelection = mSelection;
+ NS_IF_ADDREF(*aSelection);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetSelection(nsITreeSelection* aSelection)
+{
+ mSelection = aSelection;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetRowProperties(int32_t aIndex, nsAString& aProps)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetCellProperties(int32_t aRow, nsITreeColumn* aCol,
+ nsAString& aProps)
+{
+ uint32_t dirCount = mDirList.Length();
+
+ if (aRow < (int32_t) dirCount)
+ aProps.AppendLiteral("directory");
+ else if (aRow < mTotalRows)
+ aProps.AppendLiteral("file");
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetColumnProperties(nsITreeColumn* aCol, nsAString& aProps)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsContainer(int32_t aIndex, bool* aIsContainer)
+{
+ *aIsContainer = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsContainerOpen(int32_t aIndex, bool* aIsOpen)
+{
+ *aIsOpen = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsContainerEmpty(int32_t aIndex, bool* aIsEmpty)
+{
+ *aIsEmpty = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsSeparator(int32_t aIndex, bool* aIsSeparator)
+{
+ *aIsSeparator = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsSorted(bool* aIsSorted)
+{
+ *aIsSorted = (mSortType >= 0);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::CanDrop(int32_t aIndex, int32_t aOrientation,
+ nsIDOMDataTransfer* dataTransfer, bool* aCanDrop)
+{
+ *aCanDrop = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::Drop(int32_t aRow, int32_t aOrientation, nsIDOMDataTransfer* dataTransfer)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetParentIndex(int32_t aRowIndex, int32_t* aParentIndex)
+{
+ *aParentIndex = -1;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::HasNextSibling(int32_t aRowIndex, int32_t aAfterIndex,
+ bool* aHasSibling)
+{
+ *aHasSibling = (aAfterIndex < (mTotalRows - 1));
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetLevel(int32_t aIndex, int32_t* aLevel)
+{
+ *aLevel = 0;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetImageSrc(int32_t aRow, nsITreeColumn* aCol,
+ nsAString& aImageSrc)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetProgressMode(int32_t aRow, nsITreeColumn* aCol,
+ int32_t* aProgressMode)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetCellValue(int32_t aRow, nsITreeColumn* aCol,
+ nsAString& aCellValue)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::GetCellText(int32_t aRow, nsITreeColumn* aCol,
+ nsAString& aCellText)
+{
+ uint32_t dirCount = mDirList.Length();
+ bool isDirectory;
+ nsIFile* curFile = nullptr;
+
+ if (aRow < (int32_t) dirCount) {
+ isDirectory = true;
+ curFile = mDirList[aRow];
+ } else if (aRow < mTotalRows) {
+ isDirectory = false;
+ curFile = mFilteredFiles[aRow - dirCount];
+ } else {
+ // invalid row
+ aCellText.SetCapacity(0);
+ return NS_OK;
+ }
+
+ const char16_t* colID;
+ aCol->GetIdConst(&colID);
+ if (NS_LITERAL_STRING("FilenameColumn").Equals(colID)) {
+ curFile->GetLeafName(aCellText);
+ } else if (NS_LITERAL_STRING("LastModifiedColumn").Equals(colID)) {
+ PRTime lastModTime;
+ curFile->GetLastModifiedTime(&lastModTime);
+ // XXX FormatPRTime could take an nsAString&
+ nsAutoString temp;
+ mDateFormatter->FormatPRTime(nullptr, kDateFormatShort, kTimeFormatSeconds,
+ lastModTime * 1000, temp);
+ aCellText = temp;
+ } else {
+ // file size
+ if (isDirectory)
+ aCellText.SetCapacity(0);
+ else {
+ int64_t fileSize;
+ curFile->GetFileSize(&fileSize);
+ CopyUTF8toUTF16(nsPrintfCString("%lld", fileSize), aCellText);
+ }
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetTree(nsITreeBoxObject* aTree)
+{
+ mTree = aTree;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::ToggleOpenState(int32_t aIndex)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::CycleHeader(nsITreeColumn* aCol)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SelectionChanged()
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::CycleCell(int32_t aRow, nsITreeColumn* aCol)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsEditable(int32_t aRow, nsITreeColumn* aCol,
+ bool* aIsEditable)
+{
+ *aIsEditable = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::IsSelectable(int32_t aRow, nsITreeColumn* aCol,
+ bool* aIsSelectable)
+{
+ *aIsSelectable = false;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetCellValue(int32_t aRow, nsITreeColumn* aCol,
+ const nsAString& aValue)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::SetCellText(int32_t aRow, nsITreeColumn* aCol,
+ const nsAString& aValue)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::PerformAction(const char16_t* aAction)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::PerformActionOnRow(const char16_t* aAction, int32_t aRow)
+{
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsFileView::PerformActionOnCell(const char16_t* aAction, int32_t aRow,
+ nsITreeColumn* aCol)
+{
+ return NS_OK;
+}
+
+// Private methods
+
+void
+nsFileView::FilterFiles()
+{
+ uint32_t count = mDirList.Length();
+ mTotalRows = count;
+ count = mFileList.Length();
+ mFilteredFiles.Clear();
+ uint32_t filterCount = mCurrentFilters.Length();
+
+ for (uint32_t i = 0; i < count; ++i) {
+ nsIFile* file = mFileList[i];
+ bool isHidden = false;
+ if (!mShowHiddenFiles)
+ file->IsHidden(&isHidden);
+
+ nsAutoString ucsLeafName;
+ if(NS_FAILED(file->GetLeafName(ucsLeafName))) {
+ // need to check return value for GetLeafName()
+ continue;
+ }
+
+ if (!isHidden) {
+ for (uint32_t j = 0; j < filterCount; ++j) {
+ bool matched = false;
+ if (!nsCRT::strcmp(mCurrentFilters.ElementAt(j),
+ u"..apps"))
+ {
+ file->IsExecutable(&matched);
+ } else
+ matched = (NS_WildCardMatch(ucsLeafName.get(),
+ mCurrentFilters.ElementAt(j),
+ true) == MATCH);
+
+ if (matched) {
+ mFilteredFiles.AppendElement(file);
+ ++mTotalRows;
+ break;
+ }
+ }
+ }
+ }
+}
+
+void
+nsFileView::ReverseArray(nsTArray<nsCOMPtr<nsIFile> >& aArray)
+{
+ uint32_t count = aArray.Length();
+ for (uint32_t i = 0; i < count/2; ++i) {
+ // If we get references to the COMPtrs in the array, and then .swap() them
+ // we avoid AdRef() / Release() calls.
+ nsCOMPtr<nsIFile>& element = aArray[i];
+ nsCOMPtr<nsIFile>& element2 = aArray[count - i - 1];
+ element.swap(element2);
+ }
+}
+
+static int
+SortNameCallback(const void* aElement1, const void* aElement2, void* aContext)
+{
+ nsIFile* file1 = *static_cast<nsIFile* const *>(aElement1);
+ nsIFile* file2 = *static_cast<nsIFile* const *>(aElement2);
+
+ nsAutoString leafName1, leafName2;
+ file1->GetLeafName(leafName1);
+ file2->GetLeafName(leafName2);
+
+ return Compare(leafName1, leafName2);
+}
+
+static int
+SortSizeCallback(const void* aElement1, const void* aElement2, void* aContext)
+{
+ nsIFile* file1 = *static_cast<nsIFile* const *>(aElement1);
+ nsIFile* file2 = *static_cast<nsIFile* const *>(aElement2);
+
+ int64_t size1, size2;
+ file1->GetFileSize(&size1);
+ file2->GetFileSize(&size2);
+
+ if (size1 == size2)
+ return 0;
+
+ return size1 < size2 ? -1 : 1;
+}
+
+static int
+SortDateCallback(const void* aElement1, const void* aElement2, void* aContext)
+{
+ nsIFile* file1 = *static_cast<nsIFile* const *>(aElement1);
+ nsIFile* file2 = *static_cast<nsIFile* const *>(aElement2);
+
+ PRTime time1, time2;
+ file1->GetLastModifiedTime(&time1);
+ file2->GetLastModifiedTime(&time2);
+
+ if (time1 == time2)
+ return 0;
+
+ return time1 < time2 ? -1 : 1;
+}
+
+void
+nsFileView::SortArray(nsTArray<nsCOMPtr<nsIFile> >& aArray)
+{
+ // We assume the array to be in filesystem order, which
+ // for our purposes, is completely unordered.
+
+ int (*compareFunc)(const void*, const void*, void*);
+
+ switch (mSortType) {
+ case sortName:
+ compareFunc = SortNameCallback;
+ break;
+ case sortSize:
+ compareFunc = SortSizeCallback;
+ break;
+ case sortDate:
+ compareFunc = SortDateCallback;
+ break;
+ default:
+ return;
+ }
+
+ uint32_t count = aArray.Length();
+
+ nsIFile** array = new nsIFile*[count];
+ for (uint32_t i = 0; i < count; ++i) {
+ array[i] = aArray[i];
+ }
+
+ NS_QuickSort(array, count, sizeof(nsIFile*), compareFunc, nullptr);
+
+ for (uint32_t i = 0; i < count; ++i) {
+ // Use swap() to avoid refcounting.
+ aArray[i].swap(array[i]);
+ }
+
+ delete[] array;
+}
+
+void
+nsFileView::SortInternal()
+{
+ SortArray(mDirList);
+ SortArray(mFilteredFiles);
+
+ if (mReverseSort) {
+ ReverseArray(mDirList);
+ ReverseArray(mFilteredFiles);
+ }
+}