[Suggested files] Create new file result class.

The suggested files v2 and soon-to-be file search projects will share
code. This CL makes a new directory that we can gradually migrate all
file-related search providers into, and adds a common result class for
all files.

Bug: 1034842
Change-Id: I29026120ec47382155125d1cf225388d233b4117
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2407675Reviewed-by: Rachel Wong <wrong@chromium.org>
Commit-Queue: Tony Yeoman <tby@chromium.org>
Cr-Commit-Position: refs/heads/master@{#806530}

chrome/browser/ui/BUILD.gn

@@ -1745,6 +1745,8 @@ static_library("ui") {
       "app_list/search/drive_quick_access_result.h",
       "app_list/search/file_chip_result.cc",
       "app_list/search/file_chip_result.h",
+      "app_list/search/files/file_result.cc",
+      "app_list/search/files/file_result.h",
       "app_list/search/launcher_search/launcher_search_icon_image_loader.cc",
       "app_list/search/launcher_search/launcher_search_icon_image_loader.h",
       "app_list/search/launcher_search/launcher_search_icon_image_loader_impl.cc",

chrome/browser/ui/app_list/search/files/file_result.cc

+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/app_list/search/files/file_result.h"
+
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "ash/public/cpp/app_list/app_list_types.h"
+#include "ash/public/cpp/file_icon_util.h"
+#include "base/bind.h"
+#include "base/files/file_path.h"
+#include "base/i18n/rtl.h"
+#include "base/macros.h"
+#include "base/no_destructor.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/platform_util.h"
+#include "chrome/grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace app_list {
+
+namespace {
+
+std::string StripHostedFileExtensions(const std::string& filename) {
+  static const base::NoDestructor<std::vector<std::string>> hosted_extensions(
+      {".GDOC", ".GSHEET", ".GSLIDES", ".GDRAW", ".GTABLE", ".GLINK", ".GFORM",
+       ".GMAPS", ".GSITE"});
+
+  for (const auto& extension : *hosted_extensions) {
+    if (EndsWith(filename, extension, base::CompareCase::INSENSITIVE_ASCII)) {
+      return filename.substr(0, filename.size() - extension.size());
+    }
+  }
+
+  return filename;
+}
+
+}  // namespace
+
+FileResult::FileResult(const std::string& schema,
+                       const base::FilePath& filepath,
+                       ResultType result_type,
+                       DisplayType display_type,
+                       float relevance,
+                       Profile* profile)
+    : filepath_(filepath), profile_(profile) {
+  DCHECK(profile);
+  set_id(schema + filepath.value());
+  set_relevance(relevance);
+
+  // TODO(crbug.com/1034842): Rename or replace the DriveQuickAccess and
+  // ZeroStateFile enum values.
+
+  SetResultType(result_type);
+  switch (result_type) {
+    case ResultType::kDriveQuickAccess:
+      SetMetricsType(ash::DRIVE_QUICK_ACCESS);
+      break;
+    case ResultType::kZeroStateFile:
+      SetMetricsType(ash::ZERO_STATE_FILE);
+      break;
+    default:
+      NOTREACHED();
+  }
+
+  SetDisplayType(display_type);
+  switch (display_type) {
+    case DisplayType::kChip:
+      SetChipIcon(ash::GetChipIconForPath(filepath));
+      break;
+    case DisplayType::kList:
+      SetIcon(ash::GetIconForPath(filepath));
+      break;
+    default:
+      NOTREACHED();
+  }
+
+  // Set the details to the display name of the Files app.
+  base::string16 sanitized_name = base::CollapseWhitespace(
+      l10n_util::GetStringUTF16(IDS_FILEMANAGER_APP_NAME), true);
+  base::i18n::SanitizeUserSuppliedString(&sanitized_name);
+  SetDetails(sanitized_name);
+  SetTitle(base::UTF8ToUTF16(
+      StripHostedFileExtensions(filepath.BaseName().value())));
+}
+
+FileResult::~FileResult() = default;
+
+void FileResult::Open(int event_flags) {
+  platform_util::OpenItem(profile_, filepath_,
+                          platform_util::OpenItemType::OPEN_FILE,
+                          platform_util::OpenOperationCallback());
+}
+
+::std::ostream& operator<<(::std::ostream& os, const FileResult& result) {
+  return os << "{" << result.title() << ", " << result.relevance() << "}";
+}
+
+}  // namespace app_list

chrome/browser/ui/app_list/search/files/file_result.h

+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_FILES_FILE_RESULT_H_
+#define CHROME_BROWSER_UI_APP_LIST_SEARCH_FILES_FILE_RESULT_H_
+
+#include <iosfwd>
+
+#include "base/files/file_path.h"
+#include "chrome/browser/ui/app_list/search/chrome_search_result.h"
+
+class Profile;
+
+namespace app_list {
+
+class FileResult : public ChromeSearchResult {
+ public:
+  FileResult(const std::string& schema,
+             const base::FilePath& filepath,
+             ResultType result_type,
+             DisplayType display_type,
+             float relevance,
+             Profile* profile);
+  ~FileResult() override;
+
+  FileResult(const FileResult&) = delete;
+  FileResult& operator=(const FileResult&) = delete;
+
+  // ChromeSearchResult overrides:
+  void Open(int event_flags) override;
+
+ private:
+  const base::FilePath filepath_;
+  Profile* const profile_;
+};
+
+::std::ostream& operator<<(::std::ostream& os, const FileResult& result);
+
+}  // namespace app_list
+
+#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_FILES_FILE_RESULT_H_