Implement chrome.downloads.onDeterminingFilename()

chrome/browser/extensions/api/downloads_internal/downloads_internal_api.cc

Index: chrome/browser/extensions/api/downloads_internal/downloads_internal_api.cc
diff --git a/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.cc b/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.cc
new file mode 100644
index 0000000000000000000000000000000000000000..30c4d94cd96bcf99145847e34e292df72d5d6e20
--- /dev/null
+++ b/chrome/browser/extensions/api/downloads_internal/downloads_internal_api.cc
@@ -0,0 +1,127 @@
+// Copyright (c) 2012 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/extensions/api/downloads_internal/downloads_internal_api.h"
+
+#include <algorithm>
+#include <cctype>
+#include <iterator>
+#include <set>
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/callback.h"
+#include "base/json/json_writer.h"
+#include "base/lazy_instance.h"
+#include "base/logging.h"
+#include "base/metrics/histogram.h"
+#include "base/stl_util.h"
+#include "base/string16.h"
+#include "base/string_split.h"
+#include "base/string_util.h"
+#include "base/stringprintf.h"
+#include "base/values.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/download/download_file_icon_extractor.h"
+#include "chrome/browser/download/download_query.h"
+#include "chrome/browser/download/download_service.h"
+#include "chrome/browser/download/download_service_factory.h"
+#include "chrome/browser/download/download_util.h"
+#include "chrome/browser/extensions/api/downloads/downloads_api.h"
+#include "chrome/browser/extensions/event_names.h"
+#include "chrome/browser/extensions/event_router.h"
+#include "chrome/browser/extensions/extension_function_dispatcher.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/icon_loader.h"
+#include "chrome/browser/icon_manager.h"
+#include "chrome/browser/renderer_host/chrome_render_message_filter.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/webui/web_ui_util.h"
+#include "chrome/common/cancelable_task_tracker.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/extensions/api/downloads_internal.h"
+#include "content/public/browser/download_interrupt_reasons.h"
+#include "content/public/browser/download_item.h"
+#include "content/public/browser/download_save_info.h"
+#include "content/public/browser/download_url_parameters.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/resource_context.h"
+#include "content/public/browser/resource_dispatcher_host.h"
+#include "content/public/browser/web_contents.h"
+#include "net/base/load_flags.h"
+#include "net/http/http_util.h"
+
+using content::DownloadItem;
+using content::DownloadManager;
+
+DownloadsInternalAddFilenameDeterminerFunction::
+    DownloadsInternalAddFilenameDeterminerFunction() {}
+
+DownloadsInternalAddFilenameDeterminerFunction::
+    ~DownloadsInternalAddFilenameDeterminerFunction() {}
+
+typedef extensions::api::downloads_internal::AddFilenameDeterminer::Params
+    AddFilenameDeterminerParams;
+
+bool DownloadsInternalAddFilenameDeterminerFunction::RunImpl() {
+  scoped_ptr<AddFilenameDeterminerParams> params(
+      AddFilenameDeterminerParams::Create(*args_));
+  EXTENSION_FUNCTION_VALIDATE(params.get());
+  return ExtensionDownloadsEventRouter::AddFilenameDeterminer(
+      profile(),
+      include_incognito(),
+      GetExtension()->id(),
+      params->sub_event_id);
+}
+
+DownloadsInternalRemoveFilenameDeterminerFunction::
+    DownloadsInternalRemoveFilenameDeterminerFunction() {}
+
+DownloadsInternalRemoveFilenameDeterminerFunction::
+    ~DownloadsInternalRemoveFilenameDeterminerFunction() {}
+
+typedef extensions::api::downloads_internal::RemoveFilenameDeterminer::Params
+    RemoveFilenameDeterminerParams;
+
+bool DownloadsInternalRemoveFilenameDeterminerFunction::RunImpl() {
+  scoped_ptr<RemoveFilenameDeterminerParams> params(
+      RemoveFilenameDeterminerParams::Create(*args_));
+  EXTENSION_FUNCTION_VALIDATE(params.get());
+  return ExtensionDownloadsEventRouter::RemoveFilenameDeterminer(
+      profile(),
+      include_incognito(),
+      GetExtension()->id(),
+      params->sub_event_id);
+}
+
+DownloadsInternalDetermineFilenameFunction::
+    DownloadsInternalDetermineFilenameFunction() {}
+
+DownloadsInternalDetermineFilenameFunction::
+    ~DownloadsInternalDetermineFilenameFunction() {}
+
+typedef extensions::api::downloads_internal::DetermineFilename::Params
+    DetermineFilenameParams;
+
+bool DownloadsInternalDetermineFilenameFunction::RunImpl() {
+  scoped_ptr<DetermineFilenameParams> params(
+      DetermineFilenameParams::Create(*args_));
+  EXTENSION_FUNCTION_VALIDATE(params.get());
+  FilePath::StringType filename;
+  if (params->filename.get()) {
+    EXTENSION_FUNCTION_VALIDATE(args_->GetString(2, &filename));
+  }
+  return ExtensionDownloadsEventRouter::DetermineFilename(
+      profile(),
+      include_incognito(),
+      GetExtension()->id(),
+      params->sub_event_id,
+      params->download_id,
+      FilePath(filename),
+      params->overwrite);
+}