Implement user selected wallpaper feature.

chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc

Index: chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc b/chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc
index d71105f44a2633103b3ae9627b41d7fd056b03bd..e2dc781b8329f9ef226022628e91c2f2e5091622 100644
--- a/chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc
+++ b/chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.cc
@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/webui/options2/chromeos/set_wallpaper_options_handler2.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
-#include "ash/desktop_background/desktop_background_resources.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ -19,8 +18,8 @@
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/webui/options2/chromeos/wallpaper_thumbnail_source2.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "content/public/browser/notification_service.h"
+#include "chrome/browser/ui/webui/web_ui_util.h"
+#include "chrome/common/chrome_paths.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -30,11 +29,30 @@
 namespace chromeos {
 namespace options2 {
 
+namespace {
+
+// Returns info about extensions for files we support as wallpaper images.
+SelectFileDialog::FileTypeInfo GetUserImageFileTypeInfo() {
+  SelectFileDialog::FileTypeInfo file_type_info;
+  file_type_info.extensions.resize(3);
+
+  file_type_info.extensions[0].push_back(FILE_PATH_LITERAL("jpg"));
+  file_type_info.extensions[1].push_back(FILE_PATH_LITERAL("jpeg"));
+
+  file_type_info.extensions[2].push_back(FILE_PATH_LITERAL("png"));
+
+  return file_type_info;
+}
+
+}  // namespace
+
 SetWallpaperOptionsHandler::SetWallpaperOptionsHandler()
     : ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
 }
 
 SetWallpaperOptionsHandler::~SetWallpaperOptionsHandler() {
+  if (select_file_dialog_.get())
+    select_file_dialog_->ListenerDestroyed();
 }
 
 void SetWallpaperOptionsHandler::GetLocalizedValues(
@@ -48,6 +66,8 @@ void SetWallpaperOptionsHandler::GetLocalizedValues(
       l10n_util::GetStringUTF16(IDS_OPTIONS_SET_WALLPAPER_AUTHOR_TEXT));
   localized_strings->SetString("randomCheckbox",
       l10n_util::GetStringUTF16(IDS_OPTIONS_SET_WALLPAPER_RANDOM));
+  localized_strings->SetString("customWallpaper",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_CUSTOME_WALLPAPER));
 }
 
 void SetWallpaperOptionsHandler::RegisterMessages() {
@@ -63,6 +83,27 @@ void SetWallpaperOptionsHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("selectRandomWallpaper",
       base::Bind(&SetWallpaperOptionsHandler::HandleRandomWallpaper,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("chooseWallpaper",
+      base::Bind(&SetWallpaperOptionsHandler::HandleChooseFile,
+                 base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("changeWallpaperLayout",
+      base::Bind(&SetWallpaperOptionsHandler::HandleLayoutChanged,
+                 base::Unretained(this)));
+}
+
+void SetWallpaperOptionsHandler::SetCustomWallpaperThumbnail() {
+  web_ui()->CallJavascriptFunction("SetWallpaperOptions.setCustomImage");
+}
+
+void SetWallpaperOptionsHandler::FileSelected(const FilePath& path,
+                                              int index,
+                                              void* params) {
+  UserManager* user_manager = UserManager::Get();
+
+  // Default wallpaper layout is CENTER_CROPPED.
+  user_manager->SaveUserWallpaperFromFile(
+      user_manager->GetLoggedInUser().email(), path, ash::CENTER_CROPPED, this);
+  web_ui()->CallJavascriptFunction("SetWallpaperOptions.didSelectFile");
 }
 
 void SetWallpaperOptionsHandler::SendDefaultImages() {
@@ -82,6 +123,31 @@ void SetWallpaperOptionsHandler::SendDefaultImages() {
                                    images);
 }
 
+void SetWallpaperOptionsHandler::SendLayoutOptions(
+    ash::WallpaperLayout layout) {
+  ListValue layouts;
+  DictionaryValue* entry;
+
+  layouts.Append(entry = new DictionaryValue());
+  entry->SetString("name",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_WALLPAPER_CENTER_LAYOUT));
+  entry->SetInteger("index", ash::CENTER);
+
+  layouts.Append(entry = new DictionaryValue());
+  entry->SetString("name",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_WALLPAPER_CENTER_CROPPED_LAYOUT));
+  entry->SetInteger("index", ash::CENTER_CROPPED);
+
+  layouts.Append(entry = new DictionaryValue());
+  entry->SetString("name",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_WALLPAPER_STRETCH_LAYOUT));
+  entry->SetInteger("index", ash::STRETCH);
+
+  base::FundamentalValue selected_value(static_cast<int>(layout));
+  web_ui()->CallJavascriptFunction(
+      "SetWallpaperOptions.populateWallpaperLayouts", layouts, selected_value);
+}
+
 void SetWallpaperOptionsHandler::HandlePageInitialized(
     const base::ListValue* args) {
   DCHECK(args && args->empty());
@@ -96,8 +162,47 @@ void SetWallpaperOptionsHandler::HandlePageShown(const base::ListValue* args) {
   UserManager::Get()->GetLoggedInUserWallpaperProperties(&type, &index);
   base::StringValue image_url(GetDefaultWallpaperThumbnailURL(index));
   base::FundamentalValue is_random(type == User::RANDOM);
-  web_ui()->CallJavascriptFunction("SetWallpaperOptions.setSelectedImage",
-                                   image_url, is_random);
+  if (type == User::CUSTOMIZED) {
+    ash::WallpaperLayout layout = static_cast<ash::WallpaperLayout>(index);
+    SendLayoutOptions(layout);
+    web_ui()->CallJavascriptFunction("SetWallpaperOptions.setCustomImage");
+  } else {
+    SendLayoutOptions(ash::CENTER_CROPPED);
+    web_ui()->CallJavascriptFunction("SetWallpaperOptions.setSelectedImage",
+                                     image_url, is_random);
+  }
+}
+
+void SetWallpaperOptionsHandler::HandleChooseFile(const ListValue* args) {
+  DCHECK(args && args->empty());
+  if (!select_file_dialog_.get())
+    select_file_dialog_ = SelectFileDialog::Create(this);
+
+  FilePath downloads_path;
+  if (!PathService::Get(chrome::DIR_DEFAULT_DOWNLOADS, &downloads_path))
+    NOTREACHED();
+
+  // Static so we initialize it only once.
+  CR_DEFINE_STATIC_LOCAL(SelectFileDialog::FileTypeInfo, file_type_info,
+      (GetUserImageFileTypeInfo()));
+
+  select_file_dialog_->SelectFile(SelectFileDialog::SELECT_OPEN_FILE,
+                                  l10n_util::GetStringUTF16(IDS_DOWNLOAD_TITLE),
+                                  downloads_path, &file_type_info, 0,
+                                  FILE_PATH_LITERAL(""),
+                                  web_ui()->GetWebContents(),
+                                  GetBrowserWindow(), NULL);
+}
+
+void SetWallpaperOptionsHandler::HandleLayoutChanged(const ListValue* args) {
+  int selected_layout = ash::CENTER_CROPPED;
+  if (!ExtractIntegerValue(args, &selected_layout))
+    NOTREACHED() << "Could not read wallpaper layout from JSON argument";
+
+  ash::WallpaperLayout layout =
+      static_cast<ash::WallpaperLayout>(selected_layout);
+
+  UserManager::Get()->SetLoggedInUserCustomWallpaperLayout(layout);
 }
 
 void SetWallpaperOptionsHandler::HandleDefaultWallpaper(const ListValue* args) {