[ProtocolHandlers] Add a permission bubble client for RPH requests.

chrome/browser/custom_handlers/register_protocol_handler_permission_request.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/custom_handlers/register_protocol_handler_permission_request.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "content/public/browser/user_metrics.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+base::string16 GetProtocolName(
+    const ProtocolHandler& handler) {
+  if (handler.protocol() == "mailto")
+    return l10n_util::GetStringUTF16(IDS_REGISTER_PROTOCOL_HANDLER_MAILTO_NAME);
+  if (handler.protocol() == "webcal")
+    return l10n_util::GetStringUTF16(IDS_REGISTER_PROTOCOL_HANDLER_WEBCAL_NAME);
+  return base::UTF8ToUTF16(handler.protocol());
+}
+
+}  // namespace
+
+RegisterProtocolHandlerPermissionRequest
+::RegisterProtocolHandlerPermissionRequest(
+      ProtocolHandlerRegistry* registry,
+      const ProtocolHandler& handler)
+    : registry_(registry),
+      handler_(handler) {}
+
+RegisterProtocolHandlerPermissionRequest::
+~RegisterProtocolHandlerPermissionRequest() {}
+
+base::string16
+RegisterProtocolHandlerPermissionRequest::GetMessageText() const {
+  ProtocolHandler old_handler = registry_->GetHandlerFor(handler_.protocol());
+  return old_handler.IsEmpty() ?
+      l10n_util::GetStringFUTF16(IDS_REGISTER_PROTOCOL_HANDLER_CONFIRM,

[Lei Zhang, 2014/02/13 21:48:30]

Since both the if and else case take the same parameters, you can do:
int id = old_handler.IsEmpty() ? IDS_FOO : IDS_BAR;
return l10n_util::GetStringFUTF16(id, ...)

[Greg Billock, 2014/02/13 22:49:03]

mostly the same, yes. the old title is different, and there's a debug check to
make sure all params are used.

+          handler_.title(), base::UTF8ToUTF16(handler_.url().host()),
+          GetProtocolName(handler_)) :
+      l10n_util::GetStringFUTF16(IDS_REGISTER_PROTOCOL_HANDLER_CONFIRM_REPLACE,
+          handler_.title(), base::UTF8ToUTF16(handler_.url().host()),
+          GetProtocolName(handler_), old_handler.title());
+}
+
+base::string16
+RegisterProtocolHandlerPermissionRequest::GetMessageTextFragment() const {
+  ProtocolHandler old_handler = registry_->GetHandlerFor(handler_.protocol());
+  return old_handler.IsEmpty() ?
+      l10n_util::GetStringFUTF16(IDS_REGISTER_PROTOCOL_HANDLER_CONFIRM_FRAGMENT,
+          GetProtocolName(handler_)) :
+      l10n_util::GetStringFUTF16(
+          IDS_REGISTER_PROTOCOL_HANDLER_CONFIRM_REPLACE_FRAGMENT,
+          GetProtocolName(handler_), old_handler.title());
+}
+
+base::string16 RegisterProtocolHandlerPermissionRequest::
+GetAlternateAcceptButtonText() const {
+  return l10n_util::GetStringFUTF16(IDS_REGISTER_PROTOCOL_HANDLER_ACCEPT,
+                                    handler_.title());
+}
+
+base::string16 RegisterProtocolHandlerPermissionRequest::
+GetAlternateDenyButtonText() const {
+  return l10n_util::GetStringFUTF16(IDS_REGISTER_PROTOCOL_HANDLER_DENY,
+                                    handler_.title());
+}
+
+void RegisterProtocolHandlerPermissionRequest::PermissionGranted() {
+  content::RecordAction(
+      base::UserMetricsAction("RegisterProtocolHandler.Infobar_Accept"));
+  registry_->OnAcceptRegisterProtocolHandler(handler_);
+}
+
+void RegisterProtocolHandlerPermissionRequest::PermissionDenied() {
+  content::RecordAction(
+      base::UserMetricsAction("RegisterProtocolHandler.InfoBar_Deny"));
+  registry_->OnIgnoreRegisterProtocolHandler(handler_);
+}
+
+void RegisterProtocolHandlerPermissionRequest::Cancelled() {
+  content::RecordAction(
+      base::UserMetricsAction("RegisterProtocolHandler.InfoBar_Deny"));
+  registry_->OnIgnoreRegisterProtocolHandler(handler_);
+}
+
+void RegisterProtocolHandlerPermissionRequest::RequestFinished() {
+  delete this;
+}