Add final part of IPC plumbing for FileSystem API

chrome/common/file_system/file_system_dispatcher.cc

 // Copyright (c) 2010 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/common/file_system/file_system_dispatcher.h"
 
+#include "base/file_util.h"
 #include "chrome/common/child_thread.h"
 #include "chrome/common/render_messages.h"
+#include "chrome/common/render_messages_params.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFileInfo.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFileSystemEntry.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileSystemCallbacks.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebVector.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebFileError;
 using WebKit::WebFileInfo;
 using WebKit::WebFileSystemCallbacks;
+using WebKit::WebFileSystemEntry;
+using WebKit::WebVector;
 
 FileSystemDispatcher::FileSystemDispatcher() {
 }
 
 FileSystemDispatcher::~FileSystemDispatcher() {
   // Make sure we fire all the remaining callbacks.
   for (IDMap<WebFileSystemCallbacks>::iterator iter(&callbacks_);
        !iter.IsAtEnd();
        iter.Advance()) {
     int callbacks_id = iter.GetCurrentKey();
     WebFileSystemCallbacks* callbacks = iter.GetCurrentValue();
     DCHECK(callbacks);
     callbacks_.Remove(callbacks_id);
     callbacks->didFail(WebKit::WebFileErrorAbort);
   }
 }
 
 bool FileSystemDispatcher::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(FileSystemDispatcher, msg)
-    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_Succeeded, DidSucceed)
-    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_Failed, DidFail)
+    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidSucceed, DidSucceed)
+    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidReadDirectory, DidReadDirectory)
+    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidReadMetadata, DidReadMetadata)
+    IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidFail, DidFail)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void FileSystemDispatcher::Move(
     const string16& src_path, const string16& dest_path,
     WebFileSystemCallbacks* callbacks) {
   int request_id = callbacks_.Add(callbacks);
   ChildThread::current()->Send(
       new ViewHostMsg_FileSystem_Move(request_id, src_path, dest_path));
 }
 
+void FileSystemDispatcher::Copy(
+    const string16& src_path, const string16& dest_path,
+    WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_Copy(request_id, src_path, dest_path));
+}
+
+void FileSystemDispatcher::Remove(
+    const string16& path, WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_Remove(request_id, path));
+}
+
+void FileSystemDispatcher::ReadMetadata(
+    const string16& path, WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_ReadMetadata(request_id, path));
+}
+
+void FileSystemDispatcher::Create(
+    const string16& path, bool exclusive, bool is_directory,
+    WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_Create(request_id, path, exclusive,
+                                        is_directory));
+}
+
+void FileSystemDispatcher::Exists(
+    const string16& path, bool is_directory,
+    WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_Exists(request_id, path, is_directory));
+}
+
+void FileSystemDispatcher::ReadDirectory(
+    const string16& path, WebFileSystemCallbacks* callbacks) {
+  int request_id = callbacks_.Add(callbacks);
+  ChildThread::current()->Send(
+      new ViewHostMsg_FileSystem_ReadDirectory(request_id, path));
+}
+
 void FileSystemDispatcher::DidSucceed(int request_id) {
   WebFileSystemCallbacks* callbacks = callbacks_.Lookup(request_id);
   DCHECK(callbacks);
   callbacks_.Remove(request_id);
   callbacks->didSucceed();
 }
 
-void FileSystemDispatcher::DidFail(int request_id, int code) {
+void FileSystemDispatcher::DidReadMetadata(int request_id,
+    const file_util::FileInfo& file_info) {
   WebFileSystemCallbacks* callbacks = callbacks_.Lookup(request_id);
   DCHECK(callbacks);
   callbacks_.Remove(request_id);
-  callbacks->didFail(static_cast<WebFileError>(code));
+  WebFileInfo web_file_info;
+  web_file_info.modificationTime = file_info.last_modified.ToDoubleT();
+  callbacks->didReadMetadata(web_file_info);
 }
+
+void FileSystemDispatcher::DidReadDirectory(
+    const ViewMsg_FileSystem_DidReadDirectory_Params& params) {
+  WebFileSystemCallbacks* callbacks = callbacks_.Lookup(params.request_id);
+  DCHECK(callbacks);
+  if (!params.has_more)
+    callbacks_.Remove(params.request_id);
+  WebVector<WebFileSystemEntry> entries(params.entries.size());
+  for (size_t i = 0; i < params.entries.size(); ++i) {
+    entries[i].name = webkit_glue::FilePathToWebString(params.entries[i].name);
+    entries[i].isDirectory = params.entries[i].is_directory;
+  }
+  callbacks->didReadDirectory(entries, params.has_more);
+}
+
+void FileSystemDispatcher::DidFail(int request_id, WebFileError code) {
+  WebFileSystemCallbacks* callbacks = callbacks_.Lookup(request_id);
+  DCHECK(callbacks);
+  callbacks_.Remove(request_id);
+  callbacks->didFail(code);
+}