athena/virtual_keyboard/vk_webui_controller.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "athena/virtual_keyboard/vk_webui_controller.h"
   6
   7 #include "athena/virtual_keyboard/vk_message_handler.h"
   8 #include "base/strings/string_util.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "content/public/browser/web_contents.h"
  11 #include "content/public/browser/web_ui_data_source.h"
  12 #include "grit/keyboard_resources.h"
  13 #include "grit/keyboard_resources_map.h"
  14 #include "ui/keyboard/keyboard_constants.h"
  15 #include "ui/keyboard/keyboard_util.h"
  16
  17 namespace athena {
  18
  19 namespace {
  20
  21 content::WebUIDataSource* CreateKeyboardUIDataSource() {
  22   content::WebUIDataSource* source =
  23       content::WebUIDataSource::Create(keyboard::kKeyboardHost);
  24
  25   size_t count = 0;
  26   const GritResourceMap* resources =
  27       keyboard::GetKeyboardExtensionResources(&count);
  28   source->SetDefaultResource(IDR_KEYBOARD_INDEX);
  29
  30   const std::string keyboard_host =
  31       base::StringPrintf("%s/", keyboard::kKeyboardHost);
  32   for (size_t i = 0; i < count; ++i) {
  33     size_t offset = 0;
  34     if (StartsWithASCII(std::string(resources[i].name), keyboard_host, false))
  35       offset = keyboard_host.length();
  36     source->AddResourcePath(resources[i].name + offset, resources[i].value);
  37   }
  38   return source;
  39 }
  40
  41 }  // namespace
  42
  43 ////////////////////////////////////////////////////////////////////////////////
  44 // VKWebUIController:
  45
  46 VKWebUIController::VKWebUIController(content::WebUI* web_ui)
  47     : WebUIController(web_ui) {
  48   content::BrowserContext* browser_context =
  49       web_ui->GetWebContents()->GetBrowserContext();
  50   web_ui->AddMessageHandler(new VKMessageHandler());
  51   content::WebUIDataSource::Add(browser_context, CreateKeyboardUIDataSource());
  52 }
  53
  54 VKWebUIController::~VKWebUIController() {
  55 }
  56
  57 ////////////////////////////////////////////////////////////////////////////////
  58 // VKWebUIControllerFactory:
  59
  60 content::WebUI::TypeID VKWebUIControllerFactory::GetWebUIType(
  61     content::BrowserContext* browser_context,
  62     const GURL& url) const {
  63   if (url == GURL(keyboard::kKeyboardURL))
  64     return const_cast<VKWebUIControllerFactory*>(this);
  65
  66   return content::WebUI::kNoWebUI;
  67 }
  68
  69 bool VKWebUIControllerFactory::UseWebUIForURL(
  70     content::BrowserContext* browser_context,
  71     const GURL& url) const {
  72   return GetWebUIType(browser_context, url) != content::WebUI::kNoWebUI;
  73 }
  74
  75 bool VKWebUIControllerFactory::UseWebUIBindingsForURL(
  76     content::BrowserContext* browser_context,
  77     const GURL& url) const {
  78   return UseWebUIForURL(browser_context, url);
  79 }
  80
  81 content::WebUIController* VKWebUIControllerFactory::CreateWebUIControllerForURL(
  82     content::WebUI* web_ui,
  83     const GURL& url) const {
  84   if (url == GURL(keyboard::kKeyboardURL))
  85     return new VKWebUIController(web_ui);
  86   return NULL;
  87 }
  88
  89 // static
  90 VKWebUIControllerFactory* VKWebUIControllerFactory::GetInstance() {
  91   return Singleton<VKWebUIControllerFactory>::get();
  92 }
  93
  94 // protected
  95 VKWebUIControllerFactory::VKWebUIControllerFactory() {
  96 }
  97
  98 VKWebUIControllerFactory::~VKWebUIControllerFactory() {
  99 }
 100
 101 }  // namespace athena