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/event_names.h"
  10 #include "chrome/browser/extensions/extension_function_dispatcher.h"
  11 #include "chrome/browser/extensions/extension_service.h"
  12 #include "chrome/browser/extensions/extension_web_contents_observer.h"
  13 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  14 #include "chrome/browser/profiles/profile.h"
  15 #include "chrome/browser/profiles/profile_manager.h"
  16 #include "chrome/common/extensions/api/virtual_keyboard_private.h"
  17 #include "content/public/browser/site_instance.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "content/public/browser/web_contents_view.h"
  20 #include "extensions/browser/event_router.h"
  21 #include "extensions/browser/extension_system.h"
  22 #include "extensions/browser/view_type_utils.h"
  23 #include "extensions/common/constants.h"
  24 #include "extensions/common/extension_messages.h"
  25 #include "ipc/ipc_message_macros.h"
  26 #include "ui/aura/client/aura_constants.h"
  27 #include "ui/aura/window.h"
  28 #include "ui/aura/window_event_dispatcher.h"
  29 #include "ui/base/ime/input_method.h"
  30 #include "ui/base/ime/text_input_client.h"
  31 #include "ui/compositor/scoped_layer_animation_settings.h"
  32 #include "ui/keyboard/keyboard_controller.h"
  33
  34 namespace virtual_keyboard_private = extensions::api::virtual_keyboard_private;
  35 typedef virtual_keyboard_private::OnTextInputBoxFocused::Context Context;
  36
  37 namespace {
  38
  39 const char* kVirtualKeyboardExtensionID = "mppnpdlheglhdfmldimlhpnegondlapf";
  40
  41 Context::Type TextInputTypeToGeneratedInputTypeEnum(ui::TextInputType type) {
  42   switch (type) {
  43     case ui::TEXT_INPUT_TYPE_NONE:
  44       return Context::TYPE_NONE;
  45     case ui::TEXT_INPUT_TYPE_PASSWORD:
  46       return Context::TYPE_PASSWORD;
  47     case ui::TEXT_INPUT_TYPE_EMAIL:
  48       return Context::TYPE_EMAIL;
  49     case ui::TEXT_INPUT_TYPE_NUMBER:
  50       return Context::TYPE_NUMBER;
  51     case ui::TEXT_INPUT_TYPE_TELEPHONE:
  52       return Context::TYPE_TEL;
  53     case ui::TEXT_INPUT_TYPE_URL:
  54       return Context::TYPE_URL;
  55     case ui::TEXT_INPUT_TYPE_DATE:
  56       return Context::TYPE_DATE;
  57     case ui::TEXT_INPUT_TYPE_TEXT:
  58     case ui::TEXT_INPUT_TYPE_SEARCH:
  59     case ui::TEXT_INPUT_TYPE_DATE_TIME:
  60     case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL:
  61     case ui::TEXT_INPUT_TYPE_MONTH:
  62     case ui::TEXT_INPUT_TYPE_TIME:
  63     case ui::TEXT_INPUT_TYPE_WEEK:
  64     case ui::TEXT_INPUT_TYPE_TEXT_AREA:
  65     case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE:
  66     case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD:
  67       return Context::TYPE_TEXT;
  68   }
  69   NOTREACHED();
  70   return Context::TYPE_NONE;
  71 }
  72
  73 }  // namespace
  74
  75 AshKeyboardControllerProxy::AshKeyboardControllerProxy() {}
  76
  77 AshKeyboardControllerProxy::~AshKeyboardControllerProxy() {}
  78
  79 void AshKeyboardControllerProxy::OnRequest(
  80     const ExtensionHostMsg_Request_Params& params) {
  81   extension_function_dispatcher_->Dispatch(
  82       params, web_contents()->GetRenderViewHost());
  83 }
  84
  85 content::BrowserContext* AshKeyboardControllerProxy::GetBrowserContext() {
  86   return ProfileManager::GetActiveUserProfile();
  87 }
  88
  89 ui::InputMethod* AshKeyboardControllerProxy::GetInputMethod() {
  90   aura::Window* root_window = ash::Shell::GetInstance()->GetPrimaryRootWindow();
  91   DCHECK(root_window);
  92   return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
  93 }
  94
  95 void AshKeyboardControllerProxy::RequestAudioInput(
  96       content::WebContents* web_contents,
  97       const content::MediaStreamRequest& request,
  98       const content::MediaResponseCallback& callback) {
  99   const extensions::Extension* extension = NULL;
 100   GURL origin(request.security_origin);
 101   if (origin.SchemeIs(extensions::kExtensionScheme)) {
 102     ExtensionService* extensions_service =
 103         extensions::ExtensionSystem::Get(
 104             GetBrowserContext())->extension_service();
 105     extension = extensions_service->extensions()->GetByID(origin.host());
 106     DCHECK(extension);
 107   }
 108
 109   MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
 110       web_contents, request, callback, extension);
 111 }
 112
 113 void AshKeyboardControllerProxy::SetupWebContents(
 114     content::WebContents* contents) {
 115   extension_function_dispatcher_.reset(
 116       new ExtensionFunctionDispatcher(GetBrowserContext(), 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 }
 152
 153 void AshKeyboardControllerProxy::EnsureCaretInWorkArea() {
 154   // GetTextInputClient may return NULL when keyboard-usability-experiment
 155   // flag is set.
 156   if (GetInputMethod()->GetTextInputClient()) {
 157     gfx::Rect showing_area =
 158         ash::Shell::GetScreen()->GetPrimaryDisplay().work_area();
 159     GetInputMethod()->GetTextInputClient()->EnsureCaretInRect(showing_area);
 160   }
 161 }
 162
 163 void AshKeyboardControllerProxy::SetUpdateInputType(ui::TextInputType type) {
 164   // TODO(bshe): Need to check the affected window's profile once multi-profile
 165   // is supported.
 166   content::BrowserContext* context = GetBrowserContext();
 167   extensions::EventRouter* router =
 168       extensions::ExtensionSystem::Get(context)->event_router();
 169
 170   if (!router->HasEventListener(
 171           virtual_keyboard_private::OnTextInputBoxFocused::kEventName)) {
 172     return;
 173   }
 174
 175   scoped_ptr<base::ListValue> event_args(new base::ListValue());
 176   scoped_ptr<base::DictionaryValue> input_context(new base::DictionaryValue());
 177   input_context->SetString("type",
 178       Context::ToString(TextInputTypeToGeneratedInputTypeEnum(type)));
 179   event_args->Append(input_context.release());
 180
 181   scoped_ptr<extensions::Event> event(new extensions::Event(
 182       virtual_keyboard_private::OnTextInputBoxFocused::kEventName,
 183       event_args.Pass()));
 184   event->restrict_to_browser_context = context;
 185   router->DispatchEventToExtension(kVirtualKeyboardExtensionID, event.Pass());
 186 }