Revert 291002 "Introduce WebViewGuestDelegate."

trunk/src/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

Index: trunk/src/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
===================================================================
--- trunk/src/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc	(revision 291025)
+++ trunk/src/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc	(working copy)
@@ -1,204 +0,0 @@
-// Copyright 2014 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/guest_view/web_view/chrome_web_view_guest_delegate.h"
-
-#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
-#include "chrome/browser/favicon/favicon_tab_helper.h"
-#include "chrome/browser/guest_view/web_view/web_view_constants.h"
-#include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
-#include "chrome/browser/ui/pdf/pdf_tab_helper.h"
-#include "chrome/browser/ui/zoom/zoom_controller.h"
-#include "chrome/common/chrome_version_info.h"
-#include "components/renderer_context_menu/context_menu_delegate.h"
-#include "content/public/common/page_zoom.h"
-
-#if defined(ENABLE_PRINTING)
-#if defined(ENABLE_FULL_PRINTING)
-#include "chrome/browser/printing/print_preview_message_handler.h"
-#include "chrome/browser/printing/print_view_manager.h"
-#else
-#include "chrome/browser/printing/print_view_manager_basic.h"
-#endif  // defined(ENABLE_FULL_PRINTING)
-#endif  // defined(ENABLE_PRINTING)
-
-ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
-    extensions::WebViewGuest* web_view_guest)
-  : WebViewGuestDelegate(),
-    pending_context_menu_request_id_(0),
-    chromevox_injected_(false),
-    current_zoom_factor_(1.0),
-    web_view_guest_(web_view_guest) {
-}
-
-ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
-}
-
-double ChromeWebViewGuestDelegate::GetZoom() {
-  return current_zoom_factor_;
-}
-
-bool ChromeWebViewGuestDelegate::HandleContextMenu(
-    const content::ContextMenuParams& params) {
-  ContextMenuDelegate* menu_delegate =
-      ContextMenuDelegate::FromWebContents(guest_web_contents());
-  DCHECK(menu_delegate);
-
-  pending_menu_ = menu_delegate->BuildMenu(guest_web_contents(), params);
-
-  // Pass it to embedder.
-  int request_id = ++pending_context_menu_request_id_;
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  scoped_ptr<base::ListValue> items =
-      MenuModelToValue(pending_menu_->menu_model());
-  args->Set(webview::kContextMenuItems, items.release());
-  args->SetInteger(webview::kRequestId, request_id);
-  web_view_guest_->DispatchEventToEmbedder(
-      new extensions::GuestViewBase::Event(
-          webview::kEventContextMenu, args.Pass()));
-  return true;
-}
-
-// TODO(hanxi) Investigate which of these observers should move to the
-// extension module in the future.
-void ChromeWebViewGuestDelegate::OnAttachWebViewHelpers(
-    content::WebContents* contents) {
-  // Create a zoom controller for the guest contents give it access to
-  // GetZoomLevel() and and SetZoomLevel() in WebViewGuest.
-  // TODO(wjmaclean) This currently uses the same HostZoomMap as the browser
-  // context, but we eventually want to isolate the guest contents from zoom
-  // changes outside the guest (e.g. in the main browser), so we should
-  // create a separate HostZoomMap for the guest.
-  ZoomController::CreateForWebContents(contents);
-
-  FaviconTabHelper::CreateForWebContents(contents);
-  extensions::ChromeExtensionWebContentsObserver::
-      CreateForWebContents(contents);
-#if defined(ENABLE_PRINTING)
-#if defined(ENABLE_FULL_PRINTING)
-  printing::PrintViewManager::CreateForWebContents(contents);
-  printing::PrintPreviewMessageHandler::CreateForWebContents(contents);
-#else
-  printing::PrintViewManagerBasic::CreateForWebContents(contents);
-#endif  // defined(ENABLE_FULL_PRINTING)
-#endif  // defined(ENABLE_PRINTING)
-  PDFTabHelper::CreateForWebContents(contents);
-}
-
-void ChromeWebViewGuestDelegate::OnDidCommitProvisionalLoadForFrame(
-    bool is_main_frame) {
-  // Update the current zoom factor for the new page.
-  ZoomController* zoom_controller =
-      ZoomController::FromWebContents(guest_web_contents());
-  DCHECK(zoom_controller);
-  current_zoom_factor_ = zoom_controller->GetZoomLevel();
-  if (is_main_frame)
-    chromevox_injected_ = false;
-}
-
-void ChromeWebViewGuestDelegate::OnDidInitialize() {
-#if defined(OS_CHROMEOS)
-  chromeos::AccessibilityManager* accessibility_manager =
-      chromeos::AccessibilityManager::Get();
-  CHECK(accessibility_manager);
-  accessibility_subscription_ = accessibility_manager->RegisterCallback(
-      base::Bind(&ChromeWebViewGuestDelegate::OnAccessibilityStatusChanged,
-                 base::Unretained(this)));
-#endif
-}
-
-void ChromeWebViewGuestDelegate::OnDocumentLoadedInFrame(
-    content::RenderFrameHost* render_frame_host) {
-  if (!render_frame_host->GetParent())
-    InjectChromeVoxIfNeeded(render_frame_host->GetRenderViewHost());
-}
-
-void ChromeWebViewGuestDelegate::OnGuestDestroyed() {
-  // Clean up custom context menu items for this guest.
-  extensions::MenuManager* menu_manager = extensions::MenuManager::Get(
-      Profile::FromBrowserContext(web_view_guest_->browser_context()));
-  menu_manager->RemoveAllContextItems(extensions::MenuItem::ExtensionKey(
-      web_view_guest_->embedder_extension_id(),
-      web_view_guest_->view_instance_id()));
-}
-
-// static
-scoped_ptr<base::ListValue> ChromeWebViewGuestDelegate::MenuModelToValue(
-    const ui::SimpleMenuModel& menu_model) {
-  scoped_ptr<base::ListValue> items(new base::ListValue());
-  for (int i = 0; i < menu_model.GetItemCount(); ++i) {
-    base::DictionaryValue* item_value = new base::DictionaryValue();
-    // TODO(lazyboy): We need to expose some kind of enum equivalent of
-    // |command_id| instead of plain integers.
-    item_value->SetInteger(webview::kMenuItemCommandId,
-                           menu_model.GetCommandIdAt(i));
-    item_value->SetString(webview::kMenuItemLabel, menu_model.GetLabelAt(i));
-    items->Append(item_value);
-  }
-  return items.Pass();
-}
-
-void ChromeWebViewGuestDelegate::OnSetZoom(double zoom_factor) {
-  ZoomController* zoom_controller =
-      ZoomController::FromWebContents(guest_web_contents());
-  DCHECK(zoom_controller);
-  double zoom_level = content::ZoomFactorToZoomLevel(zoom_factor);
-  zoom_controller->SetZoomLevel(zoom_level);
-
-  scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
-  args->SetDouble(webview::kOldZoomFactor, current_zoom_factor_);
-  args->SetDouble(webview::kNewZoomFactor, zoom_factor);
-  web_view_guest_->DispatchEventToEmbedder(
-      new extensions::GuestViewBase::Event(
-          webview::kEventZoomChange, args.Pass()));
-  current_zoom_factor_ = zoom_factor;
-}
-
-void ChromeWebViewGuestDelegate::OnShowContextMenu(
-    int request_id,
-    const MenuItemVector* items) {
-  if (!pending_menu_.get())
-    return;
-
-  // Make sure this was the correct request.
-  if (request_id != pending_context_menu_request_id_)
-    return;
-
-  // TODO(lazyboy): Implement.
-  DCHECK(!items);
-
-  ContextMenuDelegate* menu_delegate =
-      ContextMenuDelegate::FromWebContents(guest_web_contents());
-  menu_delegate->ShowMenu(pending_menu_.Pass());
-}
-
-void ChromeWebViewGuestDelegate::InjectChromeVoxIfNeeded(
-    content::RenderViewHost* render_view_host) {
-#if defined(OS_CHROMEOS)
-  if (!chromevox_injected_) {
-    chromeos::AccessibilityManager* manager =
-        chromeos::AccessibilityManager::Get();
-    if (manager && manager->IsSpokenFeedbackEnabled()) {
-      manager->InjectChromeVox(render_view_host);
-      chromevox_injected_ = true;
-    }
-  }
-#endif
-}
-
-#if defined(OS_CHROMEOS)
-void ChromeWebViewGuestDelegate::OnAccessibilityStatusChanged(
-    const chromeos::AccessibilityStatusEventDetails& details) {
-  if (details.notification_type == chromeos::ACCESSIBILITY_MANAGER_SHUTDOWN) {
-    accessibility_subscription_.reset();
-  } else if (details.notification_type ==
-      chromeos::ACCESSIBILITY_TOGGLE_SPOKEN_FEEDBACK) {
-    if (details.enabled)
-      InjectChromeVoxIfNeeded(guest_web_contents()->GetRenderViewHost());
-    else
-      chromevox_injected_ = false;
-  }
-}
-#endif