src/chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc

   1 // Copyright (c) 2013 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 "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
   6
   7 #include "ash/display/display_controller.h"
   8 #include "ash/shell.h"
   9 #include "chrome/browser/extensions/extension_function_dispatcher.h"
  10 #include "chrome/browser/extensions/extension_service.h"
  11 #include "chrome/browser/extensions/extension_system.h"
  12 #include "chrome/browser/extensions/extension_web_contents_observer.h"
  13 #include "chrome/browser/extensions/event_names.h"
  14 #include "chrome/browser/extensions/event_router.h"
  15 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/profiles/profile_manager.h"
  18 #include "chrome/common/extensions/api/virtual_keyboard_private.h"
  19 #include "chrome/common/extensions/extension_messages.h"
  20 #include "content/public/browser/site_instance.h"
  21 #include "content/public/browser/web_contents.h"
  22 #include "content/public/browser/web_contents_view.h"
  23 #include "extensions/browser/view_type_utils.h"
  24 #include "extensions/common/constants.h"
  25 #include "ipc/ipc_message_macros.h"
  26 #include "ui/aura/client/aura_constants.h"
  27 #include "ui/aura/root_window.h"
  28 #include "ui/aura/window.h"
  29 #include "ui/base/ime/input_method.h"
  30 #include "ui/base/ime/text_input_client.h"
  31 #include "ui/keyboard/keyboard_controller.h"
  32
  33 namespace virtual_keyboard_private = extensions::api::virtual_keyboard_private;
  34 typedef virtual_keyboard_private::OnTextInputBoxFocused::Context Context;
  35
  36 namespace {
  37
  38 const char* kVirtualKeyboardExtensionID = "mppnpdlheglhdfmldimlhpnegondlapf";
  39
  40 Context::Type TextInputTypeToGeneratedInputTypeEnum(ui::TextInputType type) {
  41   switch (type) {
  42     case ui::TEXT_INPUT_TYPE_NONE:
  43       return Context::TYPE_NONE;
  44     case ui::TEXT_INPUT_TYPE_PASSWORD:
  45       return Context::TYPE_PASSWORD;
  46     case ui::TEXT_INPUT_TYPE_EMAIL:
  47       return Context::TYPE_EMAIL;
  48     case ui::TEXT_INPUT_TYPE_NUMBER:
  49       return Context::TYPE_NUMBER;
  50     case ui::TEXT_INPUT_TYPE_TELEPHONE:
  51       return Context::TYPE_TEL;
  52     case ui::TEXT_INPUT_TYPE_URL:
  53       return Context::TYPE_URL;
  54     case ui::TEXT_INPUT_TYPE_DATE:
  55       return Context::TYPE_DATE;
  56     case ui::TEXT_INPUT_TYPE_TEXT:
  57     case ui::TEXT_INPUT_TYPE_SEARCH:
  58     case ui::TEXT_INPUT_TYPE_DATE_TIME:
  59     case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL:
  60     case ui::TEXT_INPUT_TYPE_MONTH:
  61     case ui::TEXT_INPUT_TYPE_TIME:
  62     case ui::TEXT_INPUT_TYPE_WEEK:
  63     case ui::TEXT_INPUT_TYPE_TEXT_AREA:
  64     case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE:
  65     case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD:
  66       return Context::TYPE_TEXT;
  67   }
  68   NOTREACHED();
  69   return Context::TYPE_NONE;
  70 }
  71
  72 }  // namespace
  73
  74 AshKeyboardControllerProxy::AshKeyboardControllerProxy() {}
  75
  76 AshKeyboardControllerProxy::~AshKeyboardControllerProxy() {}
  77
  78 void AshKeyboardControllerProxy::OnRequest(
  79     const ExtensionHostMsg_Request_Params& params) {
  80   extension_function_dispatcher_->Dispatch(
  81       params, web_contents()->GetRenderViewHost());
  82 }
  83
  84 content::BrowserContext* AshKeyboardControllerProxy::GetBrowserContext() {
  85   return ProfileManager::GetDefaultProfile();
  86 }
  87
  88 ui::InputMethod* AshKeyboardControllerProxy::GetInputMethod() {
  89   aura::Window* root_window = ash::Shell::GetInstance()->GetPrimaryRootWindow();
  90   DCHECK(root_window);
  91   return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
  92 }
  93
  94 void AshKeyboardControllerProxy::RequestAudioInput(
  95       content::WebContents* web_contents,
  96       const content::MediaStreamRequest& request,
  97       const content::MediaResponseCallback& callback) {
  98   const extensions::Extension* extension = NULL;
  99   GURL origin(request.security_origin);
 100   if (origin.SchemeIs(extensions::kExtensionScheme)) {
 101     ExtensionService* extensions_service =
 102         extensions::ExtensionSystem::Get(ProfileManager::GetDefaultProfile())->
 103             extension_service();
 104     extension = extensions_service->extensions()->GetByID(origin.host());
 105     DCHECK(extension);
 106   }
 107
 108   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
 109       web_contents, request, callback, extension);
 110 }
 111
 112 void AshKeyboardControllerProxy::SetupWebContents(
 113     content::WebContents* contents) {
 114   extension_function_dispatcher_.reset(
 115       new ExtensionFunctionDispatcher(ProfileManager::GetDefaultProfile(),
 116                                       this));
 117   extensions::SetViewType(contents, extensions::VIEW_TYPE_VIRTUAL_KEYBOARD);
 118   extensions::ExtensionWebContentsObserver::CreateForWebContents(contents);
 119   Observe(contents);
 120 }
 121
 122 extensions::WindowController*
 123     AshKeyboardControllerProxy::GetExtensionWindowController() const {
 124   // The keyboard doesn't have a window controller.
 125   return NULL;
 126 }
 127
 128 content::WebContents*
 129     AshKeyboardControllerProxy::GetAssociatedWebContents() const {
 130   return web_contents();
 131 }
 132
 133 bool AshKeyboardControllerProxy::OnMessageReceived(
 134     const IPC::Message& message) {
 135   bool handled = true;
 136   IPC_BEGIN_MESSAGE_MAP(AshKeyboardControllerProxy, message)
 137     IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
 138     IPC_MESSAGE_UNHANDLED(handled = false)
 139   IPC_END_MESSAGE_MAP()
 140   return handled;
 141 }
 142
 143 void AshKeyboardControllerProxy::ShowKeyboardContainer(
 144     aura::Window* container) {
 145   // TODO(bshe): Implement logic to decide which root window should display
 146   // virtual keyboard. http://crbug.com/303429
 147   if (container->GetRootWindow() != ash::Shell::GetPrimaryRootWindow())
 148     NOTIMPLEMENTED();
 149
 150   KeyboardControllerProxy::ShowKeyboardContainer(container);
 151   // GetTextInputClient may return NULL when keyboard-usability-test flag is
 152   // set.
 153   if (GetInputMethod()->GetTextInputClient()) {
 154     gfx::Rect showing_area =
 155         ash::DisplayController::GetPrimaryDisplay().work_area();
 156     GetInputMethod()->GetTextInputClient()->EnsureCaretInRect(showing_area);
 157   }
 158 }
 159
 160 void AshKeyboardControllerProxy::SetUpdateInputType(ui::TextInputType type) {
 161   // TODO(bshe): Need to check the affected window's profile once multi-profile
 162   // is supported.
 163   Profile* profile = ProfileManager::GetDefaultProfile();
 164   extensions::EventRouter* router =
 165       extensions::ExtensionSystem::Get(profile)->event_router();
 166
 167   if (!router->HasEventListener(
 168           virtual_keyboard_private::OnTextInputBoxFocused::kEventName)) {
 169     return;
 170   }
 171
 172   scoped_ptr<base::ListValue> event_args(new base::ListValue());
 173   scoped_ptr<base::DictionaryValue> input_context(new base::DictionaryValue());
 174   input_context->SetString("type",
 175       Context::ToString(TextInputTypeToGeneratedInputTypeEnum(type)));
 176   event_args->Append(input_context.release());
 177
 178   scoped_ptr<extensions::Event> event(new extensions::Event(
 179       virtual_keyboard_private::OnTextInputBoxFocused::kEventName,
 180       event_args.Pass()));
 181   event->restrict_to_profile = profile;
 182   router->DispatchEventToExtension(kVirtualKeyboardExtensionID, event.Pass());
 183 }