Move extensions bindings code out of //chrome

chrome/renderer/extensions/file_system_natives.cc

-// 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/renderer/extensions/file_system_natives.h"
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/renderer/extensions/chrome_v8_context.h"
-#include "chrome/renderer/extensions/user_script_slave.h"
-#include "extensions/common/constants.h"
-#include "extensions/renderer/script_context.h"
-#include "grit/renderer_resources.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/web/WebDOMError.h"
-#include "third_party/WebKit/public/web/WebDOMFileSystem.h"
-#include "third_party/WebKit/public/web/WebLocalFrame.h"
-#include "webkit/common/fileapi/file_system_types.h"
-#include "webkit/common/fileapi/file_system_util.h"
-
-namespace extensions {
-
-FileSystemNatives::FileSystemNatives(ChromeV8Context* context)
-    : ObjectBackedNativeHandler(context) {
-  RouteFunction("GetFileEntry",
-      base::Bind(&FileSystemNatives::GetFileEntry, base::Unretained(this)));
-  RouteFunction("GetIsolatedFileSystem",
-      base::Bind(&FileSystemNatives::GetIsolatedFileSystem,
-                 base::Unretained(this)));
-  RouteFunction("CrackIsolatedFileSystemName",
-      base::Bind(&FileSystemNatives::CrackIsolatedFileSystemName,
-                 base::Unretained(this)));
-  RouteFunction("GetDOMError",
-      base::Bind(&FileSystemNatives::GetDOMError,
-                 base::Unretained(this)));
-}
-
-void FileSystemNatives::GetIsolatedFileSystem(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  DCHECK(args.Length() == 1 || args.Length() == 2);
-  DCHECK(args[0]->IsString());
-  std::string file_system_id(*v8::String::Utf8Value(args[0]));
-  blink::WebLocalFrame* webframe =
-      blink::WebLocalFrame::frameForContext(context()->v8_context());
-  DCHECK(webframe);
-
-  GURL context_url =
-      extensions::ScriptContext::GetDataSourceURLForFrame(webframe);
-  CHECK(context_url.SchemeIs(extensions::kExtensionScheme));
-
-  std::string name(fileapi::GetIsolatedFileSystemName(context_url.GetOrigin(),
-                                                      file_system_id));
-
-  // The optional second argument is the subfolder within the isolated file
-  // system at which to root the DOMFileSystem we're returning to the caller.
-  std::string optional_root_name;
-  if (args.Length() == 2) {
-    DCHECK(args[1]->IsString());
-    optional_root_name = *v8::String::Utf8Value(args[1]);
-  }
-
-  GURL root_url(fileapi::GetIsolatedFileSystemRootURIString(
-      context_url.GetOrigin(),
-      file_system_id,
-      optional_root_name));
-
-  args.GetReturnValue().Set(
-      blink::WebDOMFileSystem::create(
-          webframe,
-          blink::WebFileSystemTypeIsolated,
-          blink::WebString::fromUTF8(name),
-          root_url).toV8Value());
-}
-
-void FileSystemNatives::GetFileEntry(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  DCHECK(args.Length() == 5);
-  DCHECK(args[0]->IsString());
-  std::string type_string = *v8::String::Utf8Value(args[0]->ToString());
-  blink::WebFileSystemType type;
-  bool is_valid_type = fileapi::GetFileSystemPublicType(type_string, &type);
-  DCHECK(is_valid_type);
-  if (is_valid_type == false) {
-    return;
-  }
-
-  DCHECK(args[1]->IsString());
-  DCHECK(args[2]->IsString());
-  DCHECK(args[3]->IsString());
-  std::string file_system_name(*v8::String::Utf8Value(args[1]->ToString()));
-  GURL file_system_root_url(*v8::String::Utf8Value(args[2]->ToString()));
-  std::string file_path_string(*v8::String::Utf8Value(args[3]->ToString()));
-  base::FilePath file_path = base::FilePath::FromUTF8Unsafe(file_path_string);
-  DCHECK(fileapi::VirtualPath::IsAbsolute(file_path.value()));
-
-  DCHECK(args[4]->IsBoolean());
-  blink::WebDOMFileSystem::EntryType entry_type = args[4]->BooleanValue()
-      ? blink::WebDOMFileSystem::EntryTypeDirectory
-      : blink::WebDOMFileSystem::EntryTypeFile;
-
-  blink::WebLocalFrame* webframe =
-      blink::WebLocalFrame::frameForContext(context()->v8_context());
-  DCHECK(webframe);
-  args.GetReturnValue().Set(
-      blink::WebDOMFileSystem::create(
-          webframe, type,
-          blink::WebString::fromUTF8(file_system_name),
-          file_system_root_url).createV8Entry(
-              blink::WebString::fromUTF8(file_path_string),
-              entry_type));
-}
-
-void FileSystemNatives::CrackIsolatedFileSystemName(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  DCHECK_EQ(args.Length(), 1);
-  DCHECK(args[0]->IsString());
-  std::string filesystem_name = *v8::String::Utf8Value(args[0]->ToString());
-  std::string filesystem_id;
-  if (!fileapi::CrackIsolatedFileSystemName(filesystem_name, &filesystem_id))
-    return;
-
-  args.GetReturnValue().Set(v8::String::NewFromUtf8(args.GetIsolate(),
-                                                    filesystem_id.c_str(),
-                                                    v8::String::kNormalString,
-                                                    filesystem_id.size()));
-}
-
-void FileSystemNatives::GetDOMError(
-    const v8::FunctionCallbackInfo<v8::Value>& args) {
-  if (args.Length() != 2) {
-    NOTREACHED();
-    return;
-  }
-  if (!args[0]->IsString()) {
-    NOTREACHED();
-    return;
-  }
-  if (!args[1]->IsString()) {
-    NOTREACHED();
-    return;
-  }
-
-  std::string name(*v8::String::Utf8Value(args[0]));
-  if (name.empty()) {
-    NOTREACHED();
-    return;
-  }
-  std::string message(*v8::String::Utf8Value(args[1]));
-  // message is optional hence empty is fine.
-
-  blink::WebDOMError dom_error = blink::WebDOMError::create(
-      blink::WebString::fromUTF8(name),
-      blink::WebString::fromUTF8(message));
-  args.GetReturnValue().Set(dom_error.toV8Value());
-}
-
-}  // namespace extensions