root/content/browser/frame_host/navigation_entry_impl.cc

DEFINITIONS

1. GetUniqueIDInConstructor
2. Create
3. Create
4. FromNavigationEntry
5. frame_tree_node_id_
6. frame_tree_node_id_
7. GetUniqueID
8. GetPageType
9. SetURL
10. GetURL
11. SetBaseURLForDataURL
12. GetBaseURLForDataURL
13. SetReferrer
14. GetReferrer
15. SetVirtualURL
16. GetVirtualURL
17. SetTitle
18. GetTitle
19. SetPageState
20. GetPageState
21. SetPageID
22. GetPageID
23. set_site_instance
24. SetBindings
25. GetTitleForDisplay
26. IsViewSourceMode
27. SetTransitionType
28. GetTransitionType
29. GetUserTypedURL
30. SetHasPostData
31. GetHasPostData
32. SetPostID
33. GetPostID
34. SetBrowserInitiatedPostData
35. GetBrowserInitiatedPostData
36. GetFavicon
37. GetFavicon
38. GetSSL
39. GetSSL
40. SetOriginalRequestURL
41. GetOriginalRequestURL
42. SetIsOverridingUserAgent
43. GetIsOverridingUserAgent
44. SetTimestamp
45. GetTimestamp
46. SetHttpStatusCode
47. GetHttpStatusCode
48. IsRestored
49. SetCanLoadLocalResources
50. GetCanLoadLocalResources
51. SetFrameToNavigate
52. GetFrameToNavigate
53. SetExtraData
54. GetExtraData
55. ClearExtraData
56. ResetForCommit
57. SetScreenshotPNGData

// Copyright 2013 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 "content/browser/frame_host/navigation_entry_impl.h"

#include "base/metrics/histogram.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/url_constants.h"
#include "net/base/net_util.h"
#include "ui/gfx/text_elider.h"

// Use this to get a new unique ID for a NavigationEntry during construction.
// The returned ID is guaranteed to be nonzero (which is the "no ID" indicator).
static int GetUniqueIDInConstructor() {
  static int unique_id_counter = 0;
  return ++unique_id_counter;
}

namespace content {

int NavigationEntryImpl::kInvalidBindings = -1;

NavigationEntry* NavigationEntry::Create() {
  return new NavigationEntryImpl();
}

NavigationEntry* NavigationEntry::Create(const NavigationEntry& copy) {
  return new NavigationEntryImpl(static_cast<const NavigationEntryImpl&>(copy));
}

NavigationEntryImpl* NavigationEntryImpl::FromNavigationEntry(
    NavigationEntry* entry) {
  return static_cast<NavigationEntryImpl*>(entry);
}

NavigationEntryImpl::NavigationEntryImpl()
    : unique_id_(GetUniqueIDInConstructor()),
      site_instance_(NULL),
      bindings_(kInvalidBindings),
      page_type_(PAGE_TYPE_NORMAL),
      update_virtual_url_with_url_(false),
      page_id_(-1),
      transition_type_(PAGE_TRANSITION_LINK),
      has_post_data_(false),
      post_id_(-1),
      restore_type_(RESTORE_NONE),
      is_overriding_user_agent_(false),
      http_status_code_(0),
      is_renderer_initiated_(false),
      should_replace_entry_(false),
      should_clear_history_list_(false),
      can_load_local_resources_(false),
      frame_tree_node_id_(-1) {
}

NavigationEntryImpl::NavigationEntryImpl(SiteInstanceImpl* instance,
                                         int page_id,
                                         const GURL& url,
                                         const Referrer& referrer,
                                         const base::string16& title,
                                         PageTransition transition_type,
                                         bool is_renderer_initiated)
    : unique_id_(GetUniqueIDInConstructor()),
      site_instance_(instance),
      bindings_(kInvalidBindings),
      page_type_(PAGE_TYPE_NORMAL),
      url_(url),
      referrer_(referrer),
      update_virtual_url_with_url_(false),
      title_(title),
      page_id_(page_id),
      transition_type_(transition_type),
      has_post_data_(false),
      post_id_(-1),
      restore_type_(RESTORE_NONE),
      is_overriding_user_agent_(false),
      http_status_code_(0),
      is_renderer_initiated_(is_renderer_initiated),
      should_replace_entry_(false),
      should_clear_history_list_(false),
      can_load_local_resources_(false),
      frame_tree_node_id_(-1) {
}

NavigationEntryImpl::~NavigationEntryImpl() {
}

int NavigationEntryImpl::GetUniqueID() const {
  return unique_id_;
}

PageType NavigationEntryImpl::GetPageType() const {
  return page_type_;
}

void NavigationEntryImpl::SetURL(const GURL& url) {
  url_ = url;
  cached_display_title_.clear();
}

const GURL& NavigationEntryImpl::GetURL() const {
  return url_;
}

void NavigationEntryImpl::SetBaseURLForDataURL(const GURL& url) {
  base_url_for_data_url_ = url;
}

const GURL& NavigationEntryImpl::GetBaseURLForDataURL() const {
  return base_url_for_data_url_;
}

void NavigationEntryImpl::SetReferrer(const Referrer& referrer) {
  referrer_ = referrer;
}

const Referrer& NavigationEntryImpl::GetReferrer() const {
  return referrer_;
}

void NavigationEntryImpl::SetVirtualURL(const GURL& url) {
  virtual_url_ = (url == url_) ? GURL() : url;
  cached_display_title_.clear();
}

const GURL& NavigationEntryImpl::GetVirtualURL() const {
  return virtual_url_.is_empty() ? url_ : virtual_url_;
}

void NavigationEntryImpl::SetTitle(const base::string16& title) {
  title_ = title;
  cached_display_title_.clear();
}

const base::string16& NavigationEntryImpl::GetTitle() const {
  return title_;
}

void NavigationEntryImpl::SetPageState(const PageState& state) {
  page_state_ = state;
}

const PageState& NavigationEntryImpl::GetPageState() const {
  return page_state_;
}

void NavigationEntryImpl::SetPageID(int page_id) {
  page_id_ = page_id;
}

int32 NavigationEntryImpl::GetPageID() const {
  return page_id_;
}

void NavigationEntryImpl::set_site_instance(SiteInstanceImpl* site_instance) {
  site_instance_ = site_instance;
}

void NavigationEntryImpl::SetBindings(int bindings) {
  // Ensure this is set to a valid value, and that it stays the same once set.
  CHECK_NE(bindings, kInvalidBindings);
  CHECK(bindings_ == kInvalidBindings || bindings_ == bindings);
  bindings_ = bindings;
}

const base::string16& NavigationEntryImpl::GetTitleForDisplay(
    const std::string& languages) const {
  // Most pages have real titles. Don't even bother caching anything if this is
  // the case.
  if (!title_.empty())
    return title_;

  // More complicated cases will use the URLs as the title. This result we will
  // cache since it's more complicated to compute.
  if (!cached_display_title_.empty())
    return cached_display_title_;

  // Use the virtual URL first if any, and fall back on using the real URL.
  base::string16 title;
  if (!virtual_url_.is_empty()) {
    title = net::FormatUrl(virtual_url_, languages);
  } else if (!url_.is_empty()) {
    title = net::FormatUrl(url_, languages);
  }

  // For file:// URLs use the filename as the title, not the full path.
  if (url_.SchemeIsFile()) {
    base::string16::size_type slashpos = title.rfind('/');
    if (slashpos != base::string16::npos)
      title = title.substr(slashpos + 1);
  }

  gfx::ElideString(title, kMaxTitleChars, &cached_display_title_);
  return cached_display_title_;
}

bool NavigationEntryImpl::IsViewSourceMode() const {
  return virtual_url_.SchemeIs(kViewSourceScheme);
}

void NavigationEntryImpl::SetTransitionType(
    PageTransition transition_type) {
  transition_type_ = transition_type;
}

PageTransition NavigationEntryImpl::GetTransitionType() const {
  return transition_type_;
}

const GURL& NavigationEntryImpl::GetUserTypedURL() const {
  return user_typed_url_;
}

void NavigationEntryImpl::SetHasPostData(bool has_post_data) {
  has_post_data_ = has_post_data;
}

bool NavigationEntryImpl::GetHasPostData() const {
  return has_post_data_;
}

void NavigationEntryImpl::SetPostID(int64 post_id) {
  post_id_ = post_id;
}

int64 NavigationEntryImpl::GetPostID() const {
  return post_id_;
}

void NavigationEntryImpl::SetBrowserInitiatedPostData(
    const base::RefCountedMemory* data) {
  browser_initiated_post_data_ = data;
}

const base::RefCountedMemory*
NavigationEntryImpl::GetBrowserInitiatedPostData() const {
  return browser_initiated_post_data_.get();
}


const FaviconStatus& NavigationEntryImpl::GetFavicon() const {
  return favicon_;
}

FaviconStatus& NavigationEntryImpl::GetFavicon() {
  return favicon_;
}

const SSLStatus& NavigationEntryImpl::GetSSL() const {
  return ssl_;
}

SSLStatus& NavigationEntryImpl::GetSSL() {
  return ssl_;
}

void NavigationEntryImpl::SetOriginalRequestURL(const GURL& original_url) {
  original_request_url_ = original_url;
}

const GURL& NavigationEntryImpl::GetOriginalRequestURL() const {
  return original_request_url_;
}

void NavigationEntryImpl::SetIsOverridingUserAgent(bool override) {
  is_overriding_user_agent_ = override;
}

bool NavigationEntryImpl::GetIsOverridingUserAgent() const {
  return is_overriding_user_agent_;
}

void NavigationEntryImpl::SetTimestamp(base::Time timestamp) {
  timestamp_ = timestamp;
}

base::Time NavigationEntryImpl::GetTimestamp() const {
  return timestamp_;
}

void NavigationEntryImpl::SetHttpStatusCode(int http_status_code) {
  http_status_code_ = http_status_code;
}

int NavigationEntryImpl::GetHttpStatusCode() const {
  return http_status_code_;
}

bool NavigationEntryImpl::IsRestored() const {
  return restore_type_ != RESTORE_NONE;
}

void NavigationEntryImpl::SetCanLoadLocalResources(bool allow) {
  can_load_local_resources_ = allow;
}

bool NavigationEntryImpl::GetCanLoadLocalResources() const {
  return can_load_local_resources_;
}

void NavigationEntryImpl::SetFrameToNavigate(const std::string& frame_name) {
  frame_to_navigate_ = frame_name;
}

const std::string& NavigationEntryImpl::GetFrameToNavigate() const {
  return frame_to_navigate_;
}

void NavigationEntryImpl::SetExtraData(const std::string& key,
                                       const base::string16& data) {
  extra_data_[key] = data;
}

bool NavigationEntryImpl::GetExtraData(const std::string& key,
                                       base::string16* data) const {
  std::map<std::string, base::string16>::const_iterator iter =
      extra_data_.find(key);
  if (iter == extra_data_.end())
    return false;
  *data = iter->second;
  return true;
}

void NavigationEntryImpl::ClearExtraData(const std::string& key) {
  extra_data_.erase(key);
}

void NavigationEntryImpl::ResetForCommit() {
  // Any state that only matters when a navigation entry is pending should be
  // cleared here.
  SetBrowserInitiatedPostData(NULL);
  set_is_renderer_initiated(false);
  set_transferred_global_request_id(GlobalRequestID());
  set_should_replace_entry(false);
  redirect_chain_.clear();
  set_should_clear_history_list(false);
  set_frame_tree_node_id(-1);
}

void NavigationEntryImpl::SetScreenshotPNGData(
    scoped_refptr<base::RefCountedBytes> png_data) {
  screenshot_ = png_data;
  if (screenshot_.get())
    UMA_HISTOGRAM_MEMORY_KB("Overscroll.ScreenshotSize", screenshot_->size());
}

}  // namespace content