chrome/browser/ui/ash/ash_keyboard_controller_proxy.cc

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"

#include "ash/display/display_controller.h"
#include "ash/shell.h"
#include "chrome/browser/extensions/extension_function_dispatcher.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/extensions/extension_system.h"
#include "chrome/browser/media/media_capture_devices_dispatcher.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/extensions/extension_messages.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_view.h"
#include "extensions/browser/view_type_utils.h"
#include "extensions/common/constants.h"
#include "ipc/ipc_message_macros.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/base/ime/input_method.h"
#include "ui/base/ime/text_input_client.h"
#include "ui/keyboard/keyboard_controller.h"

AshKeyboardControllerProxy::AshKeyboardControllerProxy() {}

AshKeyboardControllerProxy::~AshKeyboardControllerProxy() {}

void AshKeyboardControllerProxy::OnRequest(
    const ExtensionHostMsg_Request_Params& params) {
  extension_function_dispatcher_->Dispatch(
      params, web_contents()->GetRenderViewHost());
}

content::BrowserContext* AshKeyboardControllerProxy::GetBrowserContext() {
  return ProfileManager::GetDefaultProfile();
}

ui::InputMethod* AshKeyboardControllerProxy::GetInputMethod() {
  aura::Window* root_window = ash::Shell::GetInstance()->GetPrimaryRootWindow();
  DCHECK(root_window);
  return root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
}

void AshKeyboardControllerProxy::RequestAudioInput(
      content::WebContents* web_contents,
      const content::MediaStreamRequest& request,
      const content::MediaResponseCallback& callback) {
  const extensions::Extension* extension = NULL;
  GURL origin(request.security_origin);
  if (origin.SchemeIs(extensions::kExtensionScheme)) {
    ExtensionService* extensions_service =
        extensions::ExtensionSystem::Get(ProfileManager::GetDefaultProfile())->
            extension_service();
    extension = extensions_service->extensions()->GetByID(origin.host());
    DCHECK(extension);
  }

  MediaCaptureDevicesDispatcher::GetInstance()->ProcessMediaAccessRequest(
      web_contents, request, callback, extension);
}

void AshKeyboardControllerProxy::SetupWebContents(
    content::WebContents* contents) {
  extension_function_dispatcher_.reset(
      new ExtensionFunctionDispatcher(ProfileManager::GetDefaultProfile(),
                                      this));
  extensions::SetViewType(contents, extensions::VIEW_TYPE_VIRTUAL_KEYBOARD);
  Observe(contents);
}

extensions::WindowController*
    AshKeyboardControllerProxy::GetExtensionWindowController() const {
  // The keyboard doesn't have a window controller.
  return NULL;
}

content::WebContents*
    AshKeyboardControllerProxy::GetAssociatedWebContents() const {
  return web_contents();
}

bool AshKeyboardControllerProxy::OnMessageReceived(
    const IPC::Message& message) {
  bool handled = true;
  IPC_BEGIN_MESSAGE_MAP(AshKeyboardControllerProxy, message)
    IPC_MESSAGE_HANDLER(ExtensionHostMsg_Request, OnRequest)
    IPC_MESSAGE_UNHANDLED(handled = false)
  IPC_END_MESSAGE_MAP()
  return handled;
}

void AshKeyboardControllerProxy::ShowKeyboardContainer(
    aura::Window* container) {
  KeyboardControllerProxy::ShowKeyboardContainer(container);
  gfx::Rect showing_area =
      ash::DisplayController::GetPrimaryDisplay().work_area();
  GetInputMethod()->GetTextInputClient()->EnsureCaretInRect(showing_area);
}