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// Copyright 2015 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 <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "build/build_config.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "content/public/browser/global_request_id.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/common/referrer.h"
#include "services/network/public/cpp/resource_request_body.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"
#include "ui/base/page_transition_types.h"
#include "ui/base/window_open_disposition.h"
#include "ui/gfx/geometry/rect.h"
#include "url/gurl.h"
class Browser;
class Profile;
namespace content {
class RenderFrameHost;
class WebContents;
struct OpenURLParams;
// Parameters that tell Navigate() what to do.
// Some basic examples:
// Simple Navigate to URL in current tab:
// NavigateParams params(browser, GURL(""),
// Navigate(&params);
// Open bookmark in new background tab:
// NavigateParams params(browser, url,
// params.disposition = NEW_BACKGROUND_TAB;
// Navigate(&params);
// Opens a popup WebContents:
// NavigateParams params(browser, popup_contents);
// params.source_contents = source_contents;
// Navigate(&params);
// See for more examples.
// TODO(thestig): Split or ifdef out more fields that are not used on Android.
struct NavigateParams {
#if defined(OS_ANDROID)
explicit NavigateParams(
std::unique_ptr<content::WebContents> contents_to_insert);
NavigateParams(Browser* browser,
const GURL& a_url,
ui::PageTransition a_transition);
NavigateParams(Browser* browser,
std::unique_ptr<content::WebContents> contents_to_insert);
NavigateParams(Profile* profile,
const GURL& a_url,
ui::PageTransition a_transition);
NavigateParams(NavigateParams&& params);
// Copies fields from |params| struct to |nav_params| struct.
void FillNavigateParamsFromOpenURLParams(
const content::OpenURLParams& params);
// The URL/referrer to be loaded. Ignored if |contents_to_insert| is non-NULL.
GURL url;
content::Referrer referrer;
// The frame name to be used for the main frame.
std::string frame_name;
// The browser-global ID of the frame to navigate, or
// content::RenderFrameHost::kNoFrameTreeNodeId for the main frame.
int frame_tree_node_id = -1;
// Any redirect URLs that occurred for this navigation before |url|.
// Usually empty.
std::vector<GURL> redirect_chain;
// Indicates whether this navigation will be sent using POST.
bool uses_post = false;
// The post data when the navigation uses POST.
scoped_refptr<network::ResourceRequestBody> post_data;
// Extra headers to add to the request for this page. Headers are
// represented as "<name>: <value>" and separated by \r\n. The entire string
// is terminated by \r\n. May be empty if no extra headers are needed.
std::string extra_headers;
// Input parameter.
// WebContents to be inserted into the target Browser's tabstrip. If NULL,
// |url| or the homepage will be used instead. When non-NULL, Navigate()
// assumes it has already been navigated to its intended destination and will
// not load any URL in it (i.e. |url| is ignored). Default is NULL.
std::unique_ptr<content::WebContents> contents_to_insert;
// Input parameter.
// Only used by Singleton tabs. Causes a tab-switch in addition to navigation.
content::WebContents* switch_to_singleton_tab = nullptr;
// Output parameter.
// The WebContents in which the navigation occurred or that was inserted.
// Guaranteed non-NULL except for note below:
// Note: If this field is set to NULL by the caller and Navigate() creates a
// new WebContents, this field will remain NULL and the WebContents deleted if
// the WebContents it created is not added to a TabStripModel before
// Navigate() returns.
content::WebContents* navigated_or_inserted_contents = nullptr;
// [in] The WebContents that initiated the Navigate() request if such
// context is necessary. Default is NULL, i.e. no context.
// [out] If NULL, this value will be set to the selected WebContents in
// the originating browser prior to the operation performed by
// Navigate(). However, if the originating page is from a different
// profile (e.g. an OFF_THE_RECORD page originating from a non-OTR
// window), then |source_contents| is reset to NULL.
content::WebContents* source_contents = nullptr;
// The disposition requested by the navigation source. Default is
// CURRENT_TAB. What follows is a set of coercions that happen to this value
// when other factors are at play:
// [in]: Condition: [out]:
// NEW_BACKGROUND_TAB target browser tabstrip is empty NEW_FOREGROUND_TAB
// NEW_BACKGROUND_TAB target browser is an app browser NEW_FOREGROUND_TAB
// OFF_THE_RECORD target browser profile is incog. NEW_FOREGROUND_TAB
// If disposition is NEW_BACKGROUND_TAB, TabStripModel::ADD_ACTIVE is
// removed from |tabstrip_add_types| automatically.
// If disposition is one of NEW_WINDOW, NEW_POPUP, NEW_FOREGROUND_TAB or
// SINGLETON_TAB, then TabStripModel::ADD_ACTIVE is automatically added to
// |tabstrip_add_types|.
WindowOpenDisposition disposition = WindowOpenDisposition::CURRENT_TAB;
// Allows setting the opener for the case when new WebContents are created
// (i.e. when |disposition| asks for a new tab or window).
content::RenderFrameHost* opener = nullptr;
// Sets browser->is_trusted_source.
bool trusted_source = false;
// The transition type of the navigation.
ui::PageTransition transition = ui::PAGE_TRANSITION_LINK;
// Whether this navigation was initiated by the renderer process.
bool is_renderer_initiated = false;
// The index the caller would like the tab to be positioned at in the
// TabStrip. The actual index will be determined by the TabHandler in
// accordance with |add_types|. The default allows the TabHandler to decide.
int tabstrip_index = -1;
// A bitmask of values defined in TabStripModel::AddTabTypes. Helps
// determine where to insert a new tab and whether or not it should be
// selected, among other properties.
int tabstrip_add_types = TabStripModel::ADD_ACTIVE;
// If non-empty, the new tab is an app tab.
std::string extension_app_id;
// If non-empty, specifies the desired initial position and size of the
// window if |disposition| == NEW_POPUP.
// TODO(beng): Figure out if this can be used to create Browser windows
// for other callsites that use set_override_bounds, or
// remove this comment.
gfx::Rect window_bounds;
// Determines if and how the target window should be made visible at the end
// of the call to Navigate().
enum WindowAction {
// Do not show or activate the browser window after navigating.
// Show and activate the browser window after navigating.
// Show the browser window after navigating but do not activate.
// Default is NO_ACTION (don't show or activate the window).
// If disposition is NEW_WINDOW or NEW_POPUP, and |window_action| is set to
// NO_ACTION, |window_action| will be set to SHOW_WINDOW.
WindowAction window_action = NO_ACTION;
// If false then the navigation was not initiated by a user gesture.
bool user_gesture = true;
// What to do with the path component of the URL for singleton navigations.
enum PathBehavior {
// Two URLs with differing paths are different.
// Ignore path when finding existing tab, navigate to new URL.
PathBehavior path_behavior = RESPECT;
#if !defined(OS_ANDROID)
// [in] Specifies a Browser object where the navigation could occur or the
// tab could be added. Navigate() is not obliged to use this Browser if
// it is not compatible with the operation being performed. This can be
// NULL, in which case |initiating_profile| must be provided.
// [out] Specifies the Browser object where the navigation occurred or the
// tab was added. Guaranteed non-NULL unless the disposition did not
// require a navigation, in which case this is set to NULL
// Note: If |show_window| is set to false and a new Browser is created by
// Navigate(), the caller is responsible for showing it so that its
// window can assume responsibility for the Browser's lifetime (Browser
// objects are deleted when the user closes a visible browser window).
Browser* browser = nullptr;
// The profile that is initiating the navigation. If there is a non-NULL
// browser passed in via |browser|, it's profile will be used instead.
Profile* initiating_profile = nullptr;
// Indicates whether this navigation should replace the current
// navigation entry.
bool should_replace_current_entry = false;
// Indicates whether |contents_to_insert| is being created with a
// window.opener.
bool created_with_opener = false;
// Whether or not the related navigation was started in the context menu.
bool started_from_context_menu = false;
// SiteInstance of the frame that initiated the navigation or null if we
// don't know it. This should be assigned from the OpenURLParams of the
// WebContentsDelegate::OpenURLFromTab implementation and is used to determine
// the SiteInstance that will be used for the resulting frame in the case of
// an about:blank or a data url navigation.
scoped_refptr<content::SiteInstance> source_site_instance;
// Optional URLLoaderFactory to facilitate blob URL loading.
scoped_refptr<network::SharedURLLoaderFactory> blob_url_loader_factory;
// Indicates that the navigation should happen in an pwa window if
// possible, i.e. if the is a PWA installed for the target URL.
bool open_pwa_window_if_possible = false;