src/ui/keyboard/webui/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 "ui/keyboard/webui/vk_webui_controller.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "content/public/browser/render_frame_host.h"
  10 #include "content/public/browser/render_view_host.h"
  11 #include "content/public/browser/web_contents.h"
  12 #include "content/public/browser/web_ui_data_source.h"
  13 #include "content/public/common/service_registry.h"
  14 #include "grit/keyboard_resources.h"
  15 #include "grit/keyboard_resources_map.h"
  16 #include "mojo/public/cpp/bindings/interface_impl.h"
  17 #include "mojo/public/cpp/system/core.h"
  18 #include "ui/keyboard/keyboard_constants.h"
  19 #include "ui/keyboard/keyboard_util.h"
  20 #include "ui/keyboard/webui/vk_mojo_handler.h"
  21
  22 namespace keyboard {
  23
  24 namespace {
  25
  26 content::WebUIDataSource* CreateKeyboardUIDataSource() {
  27   content::WebUIDataSource* source =
  28       content::WebUIDataSource::Create(kKeyboardHost);
  29
  30   size_t count = 0;
  31   const GritResourceMap* resources = GetKeyboardExtensionResources(&count);
  32   source->SetDefaultResource(IDR_KEYBOARD_INDEX);
  33
  34   const std::string keyboard_host = base::StringPrintf("%s/", kKeyboardHost);
  35   for (size_t i = 0; i < count; ++i) {
  36     size_t offset = 0;
  37     // The webui URL needs to skip the 'keyboard/' at the front of the resource
  38     // names, since it is part of the data-source name.
  39     if (StartsWithASCII(std::string(resources[i].name), keyboard_host, false))
  40       offset = keyboard_host.length();
  41     source->AddResourcePath(resources[i].name + offset, resources[i].value);
  42   }
  43   return source;
  44 }
  45
  46 }  // namespace
  47
  48 ////////////////////////////////////////////////////////////////////////////////
  49 // VKWebUIController:
  50
  51 VKWebUIController::VKWebUIController(content::WebUI* web_ui)
  52     : WebUIController(web_ui), weak_factory_(this) {
  53   content::BrowserContext* browser_context =
  54       web_ui->GetWebContents()->GetBrowserContext();
  55   content::WebUIDataSource::Add(browser_context, CreateKeyboardUIDataSource());
  56   content::WebUIDataSource::AddMojoDataSource(browser_context)->AddResourcePath(
  57       "ui/keyboard/webui/keyboard.mojom", IDR_KEYBOARD_MOJO_GEN_JS);
  58 }
  59
  60 VKWebUIController::~VKWebUIController() {
  61 }
  62
  63 void VKWebUIController::RenderViewCreated(content::RenderViewHost* host) {
  64   host->GetMainFrame()->GetServiceRegistry()->AddService<KeyboardUIHandlerMojo>(
  65       base::Bind(&VKWebUIController::CreateAndStoreUIHandler,
  66                  weak_factory_.GetWeakPtr()));
  67 }
  68
  69 void VKWebUIController::CreateAndStoreUIHandler(
  70     mojo::InterfaceRequest<KeyboardUIHandlerMojo> request) {
  71   ui_handler_ = scoped_ptr<VKMojoHandler>(
  72       mojo::WeakBindToRequest(new VKMojoHandler(), &request));
  73 }
  74
  75 ////////////////////////////////////////////////////////////////////////////////
  76 // VKWebUIControllerFactory:
  77
  78 content::WebUI::TypeID VKWebUIControllerFactory::GetWebUIType(
  79     content::BrowserContext* browser_context,
  80     const GURL& url) const {
  81   if (url == GURL(kKeyboardURL))
  82     return const_cast<VKWebUIControllerFactory*>(this);
  83
  84   return content::WebUI::kNoWebUI;
  85 }
  86
  87 bool VKWebUIControllerFactory::UseWebUIForURL(
  88     content::BrowserContext* browser_context,
  89     const GURL& url) const {
  90   return GetWebUIType(browser_context, url) != content::WebUI::kNoWebUI;
  91 }
  92
  93 bool VKWebUIControllerFactory::UseWebUIBindingsForURL(
  94     content::BrowserContext* browser_context,
  95     const GURL& url) const {
  96   return UseWebUIForURL(browser_context, url);
  97 }
  98
  99 content::WebUIController* VKWebUIControllerFactory::CreateWebUIControllerForURL(
 100     content::WebUI* web_ui,
 101     const GURL& url) const {
 102   if (url == GURL(kKeyboardURL))
 103     return new VKWebUIController(web_ui);
 104   return NULL;
 105 }
 106
 107 // static
 108 VKWebUIControllerFactory* VKWebUIControllerFactory::GetInstance() {
 109   return Singleton<VKWebUIControllerFactory>::get();
 110 }
 111
 112 // protected
 113 VKWebUIControllerFactory::VKWebUIControllerFactory() {
 114 }
 115
 116 VKWebUIControllerFactory::~VKWebUIControllerFactory() {
 117 }
 118
 119 }  // namespace keyboard