Moving slideshow to the filebrowser.

chrome/browser/ui/webui/slideshow_ui.cc

Index: chrome/browser/ui/webui/slideshow_ui.cc
===================================================================
--- chrome/browser/ui/webui/slideshow_ui.cc	(revision 82643)
+++ chrome/browser/ui/webui/slideshow_ui.cc	(working copy)
@@ -1,284 +0,0 @@
-// Copyright (c) 2011 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/webui/slideshow_ui.h"
-
-#include "base/callback.h"
-#include "base/memory/singleton.h"
-#include "base/memory/weak_ptr.h"
-#include "base/message_loop.h"
-#include "base/path_service.h"
-#include "base/string_piece.h"
-#include "base/string_util.h"
-#include "base/threading/thread.h"
-#include "base/time.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/history/history_types.h"
-#include "chrome/browser/metrics/user_metrics.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/webui/favicon_source.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/jstemplate_builder.h"
-#include "chrome/common/url_constants.h"
-#include "content/browser/browser_thread.h"
-#include "content/browser/tab_contents/tab_contents.h"
-#include "grit/browser_resources.h"
-#include "grit/chromium_strings.h"
-#include "grit/generated_resources.h"
-#include "grit/locale_settings.h"
-#include "net/base/directory_lister.h"
-#include "net/base/escape.h"
-#include "ui/base/resource/resource_bundle.h"
-
-static const char kPropertyPath[] = "path";
-static const char kPropertyTitle[] = "title";
-static const char kPropertyOffset[] = "currentOffset";
-static const char kPropertyDirectory[] = "isDirectory";
-
-class SlideshowUIHTMLSource : public ChromeURLDataManager::DataSource {
- public:
-  SlideshowUIHTMLSource();
-
-  // Called when the network layer has requested a resource underneath
-  // the path we registered.
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_incognito,
-                                int request_id);
-  virtual std::string GetMimeType(const std::string&) const {
-    return "text/html";
-  }
-
- private:
-  ~SlideshowUIHTMLSource() {}
-
-  DISALLOW_COPY_AND_ASSIGN(SlideshowUIHTMLSource);
-};
-
-// The handler for Javascript messages related to the "slideshow" view.
-class SlideshowHandler : public net::DirectoryLister::DirectoryListerDelegate,
-                         public WebUIMessageHandler,
-                         public base::SupportsWeakPtr<SlideshowHandler> {
- public:
-  SlideshowHandler();
-  virtual ~SlideshowHandler();
-
-  // Init work after Attach.
-  void Init();
-
-  // DirectoryLister::DirectoryListerDelegate methods:
-  virtual void OnListFile(
-      const net::DirectoryLister::DirectoryListerData& data);
-  virtual void OnListDone(int error);
-
-  // WebUIMessageHandler implementation.
-  virtual WebUIMessageHandler* Attach(WebUI* web_ui);
-  virtual void RegisterMessages();
-
-  void GetChildrenForPath(const FilePath& path, bool is_refresh);
-
-  // Callback for the "getChildren" message.
-  void HandleGetChildren(const ListValue* args);
-
-  void HandleRefreshDirectory(const ListValue* args);
-
- private:
-  bool PathIsImageFile(const char* filename);
-
-  scoped_ptr<ListValue> filelist_value_;
-  FilePath currentpath_;
-  FilePath originalpath_;
-  Profile* profile_;
-  int counter_;
-  int currentOffset_;
-  scoped_refptr<net::DirectoryLister> lister_;
-  bool is_refresh_;
-
-  DISALLOW_COPY_AND_ASSIGN(SlideshowHandler);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// SlideshowHTMLSource
-//
-////////////////////////////////////////////////////////////////////////////////
-
-SlideshowUIHTMLSource::SlideshowUIHTMLSource()
-    : DataSource(chrome::kChromeUISlideshowHost, MessageLoop::current()) {
-}
-
-void SlideshowUIHTMLSource::StartDataRequest(const std::string& path,
-                                              bool is_incognito,
-                                              int request_id) {
-  DictionaryValue localized_strings;
-  // TODO(dhg): Add stirings to localized strings, also add more strings
-  // that are currently hardcoded.
-  SetFontAndTextDirection(&localized_strings);
-
-  static const base::StringPiece slideshow_html(
-      ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_SLIDESHOW_HTML));
-  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
-      slideshow_html, &localized_strings);
-
-  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
-  html_bytes->data.resize(full_html.size());
-  std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
-
-  SendResponse(request_id, html_bytes);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// SlideshowHandler
-//
-////////////////////////////////////////////////////////////////////////////////
-SlideshowHandler::SlideshowHandler()
-    : profile_(NULL),
-      is_refresh_(false) {
-  lister_ = NULL;
-}
-
-SlideshowHandler::~SlideshowHandler() {
-  if (lister_.get()) {
-    lister_->Cancel();
-    lister_->set_delegate(NULL);
-  }
-}
-
-WebUIMessageHandler* SlideshowHandler::Attach(WebUI* web_ui) {
-  profile_ = web_ui->GetProfile();
-  // Create our favicon data source.
-  profile_->GetChromeURLDataManager()->AddDataSource(
-      new FaviconSource(profile_, FaviconSource::FAVICON));
-  return WebUIMessageHandler::Attach(web_ui);
-}
-
-void SlideshowHandler::Init() {
-}
-
-void SlideshowHandler::RegisterMessages() {
-  web_ui_->RegisterMessageCallback("getChildren",
-      NewCallback(this, &SlideshowHandler::HandleGetChildren));
-  web_ui_->RegisterMessageCallback("refreshDirectory",
-      NewCallback(this, &SlideshowHandler::HandleRefreshDirectory));
-}
-
-void SlideshowHandler::HandleRefreshDirectory(const ListValue* args) {
-#if defined(OS_CHROMEOS)
-  std::string path = UTF16ToUTF8(ExtractStringValue(args));
-  GetChildrenForPath(FilePath(path), true);
-#endif
-}
-
-void SlideshowHandler::GetChildrenForPath(const FilePath& path,
-                                          bool is_refresh) {
-  filelist_value_.reset(new ListValue());
-  currentpath_ = path;
-
-  if (lister_.get()) {
-    lister_->Cancel();
-    lister_->set_delegate(NULL);
-    lister_ = NULL;
-  }
-
-  is_refresh_ = is_refresh;
-  if (file_util::EnsureEndsWithSeparator(&currentpath_) &&
-      currentpath_.IsAbsolute()) {
-    lister_ = new net::DirectoryLister(currentpath_, this);
-  } else {
-    originalpath_ = currentpath_;
-    currentpath_ = currentpath_.DirName();
-    lister_ = new net::DirectoryLister(currentpath_, this);
-  }
-  counter_ = 0;
-  currentOffset_ = -1;
-  lister_->Start();
-}
-
-void SlideshowHandler::HandleGetChildren(const ListValue* args) {
-#if defined(OS_CHROMEOS)
-  filelist_value_.reset(new ListValue());
-  std::string path = UTF16ToUTF8(ExtractStringValue(args));
-  GetChildrenForPath(FilePath(path), false);
-#endif
-}
-
-bool SlideshowHandler::PathIsImageFile(const char* filename) {
-#if defined(OS_CHROMEOS)
-  FilePath file = FilePath(filename);
-  std::string ext = file.Extension();
-  ext = StringToLowerASCII(ext);
-  if (ext == ".jpg" ||
-      ext == ".jpeg" ||
-      ext == ".png" ||
-      ext == ".gif") {
-    return true;
-  } else {
-    return false;
-  }
-#else
-  return false;
-#endif
-}
-
-void SlideshowHandler::OnListFile(
-    const net::DirectoryLister::DirectoryListerData& data) {
-#if defined(OS_CHROMEOS)
-  if (data.info.filename[0] == '.') {
-    return;
-  }
-  if (!PathIsImageFile(data.info.filename.c_str())) {
-    return;
-  }
-
-  DictionaryValue* file_value = new DictionaryValue();
-
-  file_value->SetString(kPropertyTitle, data.info.filename);
-  file_value->SetString(kPropertyPath,
-                        currentpath_.Append(data.info.filename).value());
-  file_value->SetBoolean(kPropertyDirectory, S_ISDIR(data.info.stat.st_mode));
-  filelist_value_->Append(file_value);
-  std::string val;
-  file_value->GetString(kPropertyTitle, &val);
-  if (val == originalpath_.BaseName().value()) {
-    currentOffset_ = counter_;
-  }
-  counter_++;
-#endif
-}
-
-void SlideshowHandler::OnListDone(int error) {
-  DictionaryValue info_value;
-  counter_ = 0;
-  if (!(file_util::EnsureEndsWithSeparator(&originalpath_) &&
-        originalpath_.IsAbsolute()) &&
-      currentOffset_ != -1) {
-    info_value.SetInteger(kPropertyOffset, currentOffset_);
-  }
-  if (is_refresh_) {
-    info_value.SetString("functionCall", "refresh");
-  } else {
-    info_value.SetString("functionCall", "getChildren");
-  }
-  info_value.SetString(kPropertyPath, currentpath_.value());
-  web_ui_->CallJavascriptFunction("browseFileResult",
-                                  info_value, *(filelist_value_.get()));
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-// SlideshowUI
-//
-////////////////////////////////////////////////////////////////////////////////
-
-SlideshowUI::SlideshowUI(TabContents* contents) : WebUI(contents) {
-  SlideshowHandler* handler = new SlideshowHandler();
-  AddMessageHandler((handler)->Attach(this));
-  handler->Init();
-  SlideshowUIHTMLSource* html_source = new SlideshowUIHTMLSource();
-
-  // Set up the chrome://slideshow/ source.
-  contents->profile()->GetChromeURLDataManager()->AddDataSource(html_source);
-}