[ios] create parameters for url loading service

To replace ChromeLoadParams,  WebLoadParams and OpenNewTabCommand as parameters passed in to LoadUrlInCurrentTab, SwitchToTab and OpenUrlInNewTab in url loading service.

Bug: 907527
Change-Id: I911985c7f62bd9d807c71e5349f194cefd1d57a0
Reviewed-on: https://chromium-review.googlesource.com/c/1488925
Commit-Queue: David Jean <djean@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636759}

ios/chrome/browser/url_loading/BUILD.gn

@@ -13,6 +13,8 @@ source_set("url_loading") {
     "url_loading_notifier_factory.h",
     "url_loading_observer_bridge.h",
     "url_loading_observer_bridge.mm",
+    "url_loading_params.h",
+    "url_loading_params.mm",
     "url_loading_service.h",
     "url_loading_service.mm",
     "url_loading_service_factory.h",

ios/chrome/browser/url_loading/url_loading_params.h

+// Copyright 2019 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.
+
+#ifndef IOS_CHROME_BROWSER_URL_LOADING_URL_LOADING_PARAMS_H_
+#define IOS_CHROME_BROWSER_URL_LOADING_URL_LOADING_PARAMS_H_
+
+#import "ios/chrome/browser/ui/chrome_load_params.h"
+#import "ios/chrome/browser/ui/commands/open_new_tab_command.h"
+#import "ios/web/public/navigation_manager.h"
+#include "ui/base/window_open_disposition.h"
+
+// UrlLoadingService wrapper around web::NavigationManager::WebLoadParams,
+// WindowOpenDisposition and parameters from OpenNewTabCommand.
+// This is used when a URL is opened.
+struct UrlLoadParams {
+ public:
+  // Initializes a UrlLoadParams intended to open in current page.
+  static UrlLoadParams* InCurrentTab(
+      const web::NavigationManager::WebLoadParams& web_params);
+  static UrlLoadParams* InCurrentTab(const GURL& url);
+
+  // Initializes a UrlLoadParams intended to open in a new page.
+  static UrlLoadParams* InNewTab(const GURL& url,
+                                 const web::Referrer& referrer,
+                                 bool in_incognito,
+                                 bool in_background,
+                                 OpenPosition append_to);
+
+  // Initializes a UrlLoadParams intended to open a new page.
+  static UrlLoadParams* InNewEmptyTab(bool in_incognito, bool in_background);
+
+  // Initializes a UrlLoadParams intended to open a URL from browser chrome
+  // (e.g., settings). This will always open in a new foreground tab in
+  // non-incognito mode.
+  static UrlLoadParams* InNewFromChromeTab(const GURL& url);
+
+  // Initializes a UrlLoadParams with |in_incognito| and an |origin_point|.
+  static UrlLoadParams* InNewForegroundTab(bool in_incognito,
+                                           CGPoint origin_point);
+
+  // Initializes a UrlLoadParams with |in_incognito| and an |origin_point| of
+  // CGPointZero.
+  static UrlLoadParams* InNewForegroundTab(bool in_incognito);
+
+  // Allow copying UrlLoadParams.
+  UrlLoadParams(const UrlLoadParams& other);
+  UrlLoadParams& operator=(const UrlLoadParams& other);
+
+  // The wrapped params.
+  web::NavigationManager::WebLoadParams web_params;
+
+  // The disposition of the URL being opened.
+  WindowOpenDisposition disposition;
+
+  // Parameters for when opening in new tab:
+
+  // Whether this requests opening in incognito or not.
+  bool in_incognito;
+
+  // Location where the new tab should be opened.
+  OpenPosition append_to;
+
+  // Origin point of the action triggering this command, in main window
+  // coordinates.
+  CGPoint origin_point;
+
+  // Whether or not this URL command comes from a chrome context (e.g.,
+  // settings), as opposed to a web page context.
+  bool from_chrome;
+
+  // Whether the new tab command was initiated by the user (e.g. by tapping the
+  // new tab button in the tools menu) or not (e.g. opening a new tab via a
+  // Javascript action). Defaults to |true|. Only used when the |web_params.url|
+  // isn't valid.
+  bool user_initiated;
+
+  // Whether the new tab command should also trigger the omnibox to be focused.
+  // Only used when the |web_params.url| isn't valid.
+  bool should_focus_omnibox;
+
+ private:
+  UrlLoadParams();
+};
+
+#endif  // IOS_CHROME_BROWSER_URL_LOADING_URL_LOADING_PARAMS_H_

ios/chrome/browser/url_loading/url_loading_params.mm

+// Copyright 2018 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.
+
+#import "ios/chrome/browser/url_loading/url_loading_params.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+UrlLoadParams* UrlLoadParams::InCurrentTab(
+    const web::NavigationManager::WebLoadParams& web_params) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = WindowOpenDisposition::CURRENT_TAB;
+  params->web_params = web_params;
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InCurrentTab(const GURL& url) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = WindowOpenDisposition::CURRENT_TAB;
+  params->web_params = web::NavigationManager::WebLoadParams(url);
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InNewTab(const GURL& url,
+                                       const web::Referrer& referrer,
+                                       bool in_incognito,
+                                       bool in_background,
+                                       OpenPosition append_to) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = in_background
+                            ? WindowOpenDisposition::NEW_BACKGROUND_TAB
+                            : WindowOpenDisposition::NEW_FOREGROUND_TAB;
+  params->web_params = web::NavigationManager::WebLoadParams(url);
+  params->web_params.referrer = referrer;
+  params->in_incognito = in_incognito;
+  params->append_to = append_to;
+  params->user_initiated = true;
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InNewEmptyTab(bool in_incognito,
+                                            bool in_background) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = in_background
+                            ? WindowOpenDisposition::NEW_BACKGROUND_TAB
+                            : WindowOpenDisposition::NEW_FOREGROUND_TAB;
+  params->in_incognito = in_incognito;
+  params->user_initiated = true;
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InNewFromChromeTab(const GURL& url) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
+  params->web_params = web::NavigationManager::WebLoadParams(url);
+  params->append_to = kLastTab;
+  params->from_chrome = true;
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InNewForegroundTab(bool in_incognito,
+                                                 CGPoint origin_point) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
+  params->origin_point = origin_point;
+  params->user_initiated = true;
+  return params;
+}
+
+UrlLoadParams* UrlLoadParams::InNewForegroundTab(bool in_incognito) {
+  UrlLoadParams* params = new UrlLoadParams();
+  params->disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
+  params->user_initiated = true;
+  return params;
+}
+
+UrlLoadParams::UrlLoadParams() : web_params(GURL()) {}
+
+UrlLoadParams::UrlLoadParams(const UrlLoadParams& other)
+    : web_params(other.web_params), disposition(other.disposition) {}
+
+UrlLoadParams& UrlLoadParams::operator=(const UrlLoadParams& other) {
+  web_params = other.web_params;
+  disposition = other.disposition;
+
+  return *this;
+}