Split web_view_internal_api and move part of it to extensions.

chrome/browser/extensions/api/web_view/web_view_internal_api.cc

-// 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/extensions/api/web_view/web_view_internal_api.h"
-
-#include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/extensions/api/browsing_data/browsing_data_api.h"
-#include "chrome/browser/extensions/api/context_menus/context_menus_api.h"
-#include "chrome/browser/extensions/api/context_menus/context_menus_api_helpers.h"
-#include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/extensions/api/web_view_internal.h"
-#include "content/public/browser/render_process_host.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/storage_partition.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/common/stop_find_action.h"
-#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
-#include "extensions/common/error_utils.h"
-#include "third_party/WebKit/public/web/WebFindOptions.h"
-
-using content::WebContents;
-using extensions::api::web_view_internal::SetPermission::Params;
-using extensions::core_api::extension_types::InjectDetails;
-namespace helpers = extensions::context_menus_api_helpers;
-namespace webview = extensions::api::web_view_internal;
-
-namespace extensions {
-
-namespace {
-int MaskForKey(const char* key) {
-  if (strcmp(key, extension_browsing_data_api_constants::kAppCacheKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_APPCACHE;
-  if (strcmp(key, extension_browsing_data_api_constants::kCookiesKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_COOKIES;
-  if (strcmp(key, extension_browsing_data_api_constants::kFileSystemsKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_FILE_SYSTEMS;
-  if (strcmp(key, extension_browsing_data_api_constants::kIndexedDBKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_INDEXEDDB;
-  if (strcmp(key, extension_browsing_data_api_constants::kLocalStorageKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_LOCAL_STORAGE;
-  if (strcmp(key, extension_browsing_data_api_constants::kWebSQLKey) == 0)
-    return content::StoragePartition::REMOVE_DATA_MASK_WEBSQL;
-  return 0;
-}
-
-}  // namespace
-
-bool WebViewInternalExtensionFunction::RunAsync() {
-  int instance_id = 0;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &instance_id));
-  WebViewGuest* guest = WebViewGuest::From(
-      render_view_host()->GetProcess()->GetID(), instance_id);
-  if (!guest)
-    return false;
-
-  return RunAsyncSafe(guest);
-}
-
-// TODO(lazyboy): Add checks similar to
-// WebViewInternalExtensionFunction::RunAsyncSafe(WebViewGuest*).
-bool WebViewInternalContextMenusCreateFunction::RunAsync() {
-  scoped_ptr<webview::ContextMenusCreate::Params> params(
-      webview::ContextMenusCreate::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  MenuItem::Id id(
-      Profile::FromBrowserContext(browser_context())->IsOffTheRecord(),
-      MenuItem::ExtensionKey(extension_id(), params->instance_id));
-
-  if (params->create_properties.id.get()) {
-    id.string_uid = *params->create_properties.id;
-  } else {
-    // The Generated Id is added by web_view_internal_custom_bindings.js.
-    base::DictionaryValue* properties = NULL;
-    EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &properties));
-    EXTENSION_FUNCTION_VALIDATE(
-        properties->GetInteger(helpers::kGeneratedIdKey, &id.uid));
-  }
-
-  bool success = extensions::context_menus_api_helpers::CreateMenuItem(
-      params->create_properties,
-      Profile::FromBrowserContext(browser_context()),
-      extension(),
-      id,
-      &error_);
-
-  SendResponse(success);
-  return success;
-}
-
-bool WebViewInternalNavigateFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::Navigate::Params> params(
-      webview::Navigate::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-  std::string src = params->src;
-  guest->NavigateGuest(src);
-  return true;
-}
-
-bool WebViewInternalContextMenusUpdateFunction::RunAsync() {
-  scoped_ptr<webview::ContextMenusUpdate::Params> params(
-      webview::ContextMenusUpdate::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  Profile* profile = Profile::FromBrowserContext(browser_context());
-  MenuItem::Id item_id(
-      profile->IsOffTheRecord(),
-      MenuItem::ExtensionKey(extension_id(), params->instance_id));
-
-  if (params->id.as_string)
-    item_id.string_uid = *params->id.as_string;
-  else if (params->id.as_integer)
-    item_id.uid = *params->id.as_integer;
-  else
-    NOTREACHED();
-
-  bool success = extensions::context_menus_api_helpers::UpdateMenuItem(
-      params->update_properties, profile, extension(), item_id, &error_);
-  SendResponse(success);
-  return success;
-}
-
-bool WebViewInternalContextMenusRemoveFunction::RunAsync() {
-  scoped_ptr<webview::ContextMenusRemove::Params> params(
-      webview::ContextMenusRemove::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  MenuManager* menu_manager =
-      MenuManager::Get(Profile::FromBrowserContext(browser_context()));
-
-  MenuItem::Id id(
-      Profile::FromBrowserContext(browser_context())->IsOffTheRecord(),
-      MenuItem::ExtensionKey(extension_id(), params->instance_id));
-
-  if (params->menu_item_id.as_string) {
-    id.string_uid = *params->menu_item_id.as_string;
-  } else if (params->menu_item_id.as_integer) {
-    id.uid = *params->menu_item_id.as_integer;
-  } else {
-    NOTREACHED();
-  }
-
-  bool success = true;
-  MenuItem* item = menu_manager->GetItemById(id);
-  // Ensure one <webview> can't remove another's menu items.
-  if (!item || item->id().extension_key != id.extension_key) {
-    error_ = ErrorUtils::FormatErrorMessage(
-        context_menus_api_helpers::kCannotFindItemError,
-        context_menus_api_helpers::GetIDString(id));
-    success = false;
-  } else if (!menu_manager->RemoveContextMenuItem(id)) {
-    success = false;
-  }
-
-  SendResponse(success);
-  return success;
-}
-
-bool WebViewInternalContextMenusRemoveAllFunction::RunAsync() {
-  scoped_ptr<webview::ContextMenusRemoveAll::Params> params(
-      webview::ContextMenusRemoveAll::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  MenuManager* menu_manager =
-      MenuManager::Get(Profile::FromBrowserContext(browser_context()));
-
-  int webview_instance_id = params->instance_id;
-  menu_manager->RemoveAllContextItems(
-      MenuItem::ExtensionKey(extension()->id(), webview_instance_id));
-  SendResponse(true);
-  return true;
-}
-
-WebViewInternalClearDataFunction::WebViewInternalClearDataFunction()
-    : remove_mask_(0), bad_message_(false) {
-}
-
-WebViewInternalClearDataFunction::~WebViewInternalClearDataFunction() {
-}
-
-// Parses the |dataToRemove| argument to generate the remove mask. Sets
-// |bad_message_| (like EXTENSION_FUNCTION_VALIDATE would if this were a bool
-// method) if 'dataToRemove' is not present.
-uint32 WebViewInternalClearDataFunction::GetRemovalMask() {
-  base::DictionaryValue* data_to_remove;
-  if (!args_->GetDictionary(2, &data_to_remove)) {
-    bad_message_ = true;
-    return 0;
-  }
-
-  uint32 remove_mask = 0;
-  for (base::DictionaryValue::Iterator i(*data_to_remove); !i.IsAtEnd();
-       i.Advance()) {
-    bool selected = false;
-    if (!i.value().GetAsBoolean(&selected)) {
-      bad_message_ = true;
-      return 0;
-    }
-    if (selected)
-      remove_mask |= MaskForKey(i.key().c_str());
-  }
-
-  return remove_mask;
-}
-
-// TODO(lazyboy): Parameters in this extension function are similar (or a
-// sub-set) to BrowsingDataRemoverFunction. How can we share this code?
-bool WebViewInternalClearDataFunction::RunAsyncSafe(WebViewGuest* guest) {
-  // Grab the initial |options| parameter, and parse out the arguments.
-  base::DictionaryValue* options;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(1, &options));
-  DCHECK(options);
-
-  // If |ms_since_epoch| isn't set, default it to 0.
-  double ms_since_epoch;
-  if (!options->GetDouble(extension_browsing_data_api_constants::kSinceKey,
-                          &ms_since_epoch)) {
-    ms_since_epoch = 0;
-  }
-
-  // base::Time takes a double that represents seconds since epoch. JavaScript
-  // gives developers milliseconds, so do a quick conversion before populating
-  // the object. Also, Time::FromDoubleT converts double time 0 to empty Time
-  // object. So we need to do special handling here.
-  remove_since_ = (ms_since_epoch == 0)
-                      ? base::Time::UnixEpoch()
-                      : base::Time::FromDoubleT(ms_since_epoch / 1000.0);
-
-  remove_mask_ = GetRemovalMask();
-  if (bad_message_)
-    return false;
-
-  AddRef();  // Balanced below or in WebViewInternalClearDataFunction::Done().
-
-  bool scheduled = false;
-  if (remove_mask_) {
-    scheduled = guest->ClearData(
-        remove_since_,
-        remove_mask_,
-        base::Bind(&WebViewInternalClearDataFunction::ClearDataDone, this));
-  }
-  if (!remove_mask_ || !scheduled) {
-    SendResponse(false);
-    Release();  // Balanced above.
-    return false;
-  }
-
-  // Will finish asynchronously.
-  return true;
-}
-
-void WebViewInternalClearDataFunction::ClearDataDone() {
-  Release();  // Balanced in RunAsync().
-  SendResponse(true);
-}
-
-WebViewInternalExecuteCodeFunction::WebViewInternalExecuteCodeFunction()
-    : guest_instance_id_(0), guest_src_(GURL::EmptyGURL()) {
-}
-
-WebViewInternalExecuteCodeFunction::~WebViewInternalExecuteCodeFunction() {
-}
-
-bool WebViewInternalExecuteCodeFunction::Init() {
-  if (details_.get())
-    return true;
-
-  if (!args_->GetInteger(0, &guest_instance_id_))
-    return false;
-
-  if (!guest_instance_id_)
-    return false;
-
-  std::string src;
-  if (!args_->GetString(1, &src))
-    return false;
-
-  guest_src_ = GURL(src);
-  if (!guest_src_.is_valid())
-    return false;
-
-  base::DictionaryValue* details_value = NULL;
-  if (!args_->GetDictionary(2, &details_value))
-    return false;
-  scoped_ptr<InjectDetails> details(new InjectDetails());
-  if (!InjectDetails::Populate(*details_value, details.get()))
-    return false;
-
-  details_ = details.Pass();
-  return true;
-}
-
-bool WebViewInternalExecuteCodeFunction::ShouldInsertCSS() const {
-  return false;
-}
-
-bool WebViewInternalExecuteCodeFunction::CanExecuteScriptOnPage() {
-  return true;
-}
-
-extensions::ScriptExecutor*
-WebViewInternalExecuteCodeFunction::GetScriptExecutor() {
-  WebViewGuest* guest = WebViewGuest::From(
-      render_view_host()->GetProcess()->GetID(), guest_instance_id_);
-  if (!guest)
-    return NULL;
-
-  return guest->script_executor();
-}
-
-bool WebViewInternalExecuteCodeFunction::IsWebView() const {
-  return true;
-}
-
-const GURL& WebViewInternalExecuteCodeFunction::GetWebViewSrc() const {
-  return guest_src_;
-}
-
-WebViewInternalExecuteScriptFunction::WebViewInternalExecuteScriptFunction() {
-}
-
-void WebViewInternalExecuteScriptFunction::OnExecuteCodeFinished(
-    const std::string& error,
-    const GURL& on_url,
-    const base::ListValue& result) {
-  if (error.empty())
-    SetResult(result.DeepCopy());
-  WebViewInternalExecuteCodeFunction::OnExecuteCodeFinished(
-      error, on_url, result);
-}
-
-WebViewInternalInsertCSSFunction::WebViewInternalInsertCSSFunction() {
-}
-
-bool WebViewInternalInsertCSSFunction::ShouldInsertCSS() const {
-  return true;
-}
-
-WebViewInternalCaptureVisibleRegionFunction::
-    WebViewInternalCaptureVisibleRegionFunction() {
-}
-
-WebViewInternalCaptureVisibleRegionFunction::
-    ~WebViewInternalCaptureVisibleRegionFunction() {
-}
-
-bool WebViewInternalCaptureVisibleRegionFunction::IsScreenshotEnabled() {
-  return true;
-}
-
-WebContents* WebViewInternalCaptureVisibleRegionFunction::GetWebContentsForID(
-    int instance_id) {
-  WebViewGuest* guest = WebViewGuest::From(
-      render_view_host()->GetProcess()->GetID(), instance_id);
-  return guest ? guest->web_contents() : NULL;
-}
-
-void WebViewInternalCaptureVisibleRegionFunction::OnCaptureFailure(
-    FailureReason reason) {
-  SendResponse(false);
-}
-
-WebViewInternalSetNameFunction::WebViewInternalSetNameFunction() {
-}
-
-WebViewInternalSetNameFunction::~WebViewInternalSetNameFunction() {
-}
-
-WebViewInternalSetZoomFunction::WebViewInternalSetZoomFunction() {
-}
-
-WebViewInternalSetZoomFunction::~WebViewInternalSetZoomFunction() {
-}
-
-bool WebViewInternalSetNameFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::SetName::Params> params(
-      webview::SetName::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-  guest->SetName(params->frame_name);
-  SendResponse(true);
-  return true;
-}
-
-bool WebViewInternalSetZoomFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::SetZoom::Params> params(
-      webview::SetZoom::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-  guest->SetZoom(params->zoom_factor);
-
-  SendResponse(true);
-  return true;
-}
-
-WebViewInternalGetZoomFunction::WebViewInternalGetZoomFunction() {
-}
-
-WebViewInternalGetZoomFunction::~WebViewInternalGetZoomFunction() {
-}
-
-bool WebViewInternalGetZoomFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::GetZoom::Params> params(
-      webview::GetZoom::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  double zoom_factor = guest->GetZoom();
-  SetResult(new base::FundamentalValue(zoom_factor));
-  SendResponse(true);
-  return true;
-}
-
-WebViewInternalFindFunction::WebViewInternalFindFunction() {
-}
-
-WebViewInternalFindFunction::~WebViewInternalFindFunction() {
-}
-
-bool WebViewInternalFindFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::Find::Params> params(
-      webview::Find::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  // Convert the std::string search_text to string16.
-  base::string16 search_text;
-  base::UTF8ToUTF16(
-      params->search_text.c_str(), params->search_text.length(), &search_text);
-
-  // Set the find options to their default values.
-  blink::WebFindOptions options;
-  if (params->options) {
-    options.forward =
-        params->options->backward ? !*params->options->backward : true;
-    options.matchCase =
-        params->options->match_case ? *params->options->match_case : false;
-  }
-
-  guest->Find(search_text, options, this);
-  return true;
-}
-
-WebViewInternalStopFindingFunction::WebViewInternalStopFindingFunction() {
-}
-
-WebViewInternalStopFindingFunction::~WebViewInternalStopFindingFunction() {
-}
-
-bool WebViewInternalStopFindingFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::StopFinding::Params> params(
-      webview::StopFinding::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  // Set the StopFindAction.
-  content::StopFindAction action;
-  switch (params->action) {
-    case webview::StopFinding::Params::ACTION_CLEAR:
-      action = content::STOP_FIND_ACTION_CLEAR_SELECTION;
-      break;
-    case webview::StopFinding::Params::ACTION_KEEP:
-      action = content::STOP_FIND_ACTION_KEEP_SELECTION;
-      break;
-    case webview::StopFinding::Params::ACTION_ACTIVATE:
-      action = content::STOP_FIND_ACTION_ACTIVATE_SELECTION;
-      break;
-    default:
-      action = content::STOP_FIND_ACTION_KEEP_SELECTION;
-  }
-
-  guest->StopFinding(action);
-  return true;
-}
-
-WebViewInternalGoFunction::WebViewInternalGoFunction() {
-}
-
-WebViewInternalGoFunction::~WebViewInternalGoFunction() {
-}
-
-bool WebViewInternalGoFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::Go::Params> params(webview::Go::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  guest->Go(params->relative_index);
-  return true;
-}
-
-WebViewInternalReloadFunction::WebViewInternalReloadFunction() {
-}
-
-WebViewInternalReloadFunction::~WebViewInternalReloadFunction() {
-}
-
-bool WebViewInternalReloadFunction::RunAsyncSafe(WebViewGuest* guest) {
-  guest->Reload();
-  return true;
-}
-
-WebViewInternalSetPermissionFunction::WebViewInternalSetPermissionFunction() {
-}
-
-WebViewInternalSetPermissionFunction::~WebViewInternalSetPermissionFunction() {
-}
-
-bool WebViewInternalSetPermissionFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::SetPermission::Params> params(
-      webview::SetPermission::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  WebViewPermissionHelper::PermissionResponseAction action =
-      WebViewPermissionHelper::DEFAULT;
-  switch (params->action) {
-    case Params::ACTION_ALLOW:
-      action = WebViewPermissionHelper::ALLOW;
-      break;
-    case Params::ACTION_DENY:
-      action = WebViewPermissionHelper::DENY;
-      break;
-    case Params::ACTION_DEFAULT:
-      break;
-    default:
-      NOTREACHED();
-  }
-
-  std::string user_input;
-  if (params->user_input)
-    user_input = *params->user_input;
-
-  WebViewPermissionHelper* web_view_permission_helper =
-      WebViewPermissionHelper::FromWebContents(guest->web_contents());
-
-  WebViewPermissionHelper::SetPermissionResult result =
-      web_view_permission_helper->SetPermission(
-          params->request_id, action, user_input);
-
-  EXTENSION_FUNCTION_VALIDATE(
-      result != WebViewPermissionHelper::SET_PERMISSION_INVALID);
-
-  SetResult(new base::FundamentalValue(
-      result == WebViewPermissionHelper::SET_PERMISSION_ALLOWED));
-  SendResponse(true);
-  return true;
-}
-
-WebViewInternalShowContextMenuFunction::
-    WebViewInternalShowContextMenuFunction() {
-}
-
-WebViewInternalShowContextMenuFunction::
-    ~WebViewInternalShowContextMenuFunction() {
-}
-
-bool WebViewInternalShowContextMenuFunction::RunAsyncSafe(WebViewGuest* guest) {
-  scoped_ptr<webview::ShowContextMenu::Params> params(
-      webview::ShowContextMenu::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  // TODO(lazyboy): Actually implement filtering menu items, we pass NULL for
-  // now.
-  guest->ShowContextMenu(params->request_id, NULL);
-
-  SendResponse(true);
-  return true;
-}
-
-WebViewInternalOverrideUserAgentFunction::
-    WebViewInternalOverrideUserAgentFunction() {
-}
-
-WebViewInternalOverrideUserAgentFunction::
-    ~WebViewInternalOverrideUserAgentFunction() {
-}
-
-bool WebViewInternalOverrideUserAgentFunction::RunAsyncSafe(
-    WebViewGuest* guest) {
-  scoped_ptr<webview::OverrideUserAgent::Params> params(
-      webview::OverrideUserAgent::Params::Create(*args_));
-  EXTENSION_FUNCTION_VALIDATE(params.get());
-
-  guest->SetUserAgentOverride(params->user_agent_override);
-  return true;
-}
-
-WebViewInternalStopFunction::WebViewInternalStopFunction() {
-}
-
-WebViewInternalStopFunction::~WebViewInternalStopFunction() {
-}
-
-bool WebViewInternalStopFunction::RunAsyncSafe(WebViewGuest* guest) {
-  guest->Stop();
-  return true;
-}
-
-WebViewInternalTerminateFunction::WebViewInternalTerminateFunction() {
-}
-
-WebViewInternalTerminateFunction::~WebViewInternalTerminateFunction() {
-}
-
-bool WebViewInternalTerminateFunction::RunAsyncSafe(WebViewGuest* guest) {
-  guest->Terminate();
-  return true;
-}
-
-}  // namespace extensions