// Copyright (c) 2012 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/test/test_web_contents.h"

#include <utility>

#include "content/browser/browser_url_handler_impl.h"
#include "content/browser/frame_host/cross_process_frame_connector.h"
#include "content/browser/frame_host/navigation_entry_impl.h"
#include "content/browser/frame_host/navigator.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/site_instance_impl.h"
#include "content/common/frame_messages.h"
#include "content/common/view_messages.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/notification_types.h"
#include "content/public/common/page_state.h"
#include "content/public/common/page_transition_types.h"
#include "content/public/test/mock_render_process_host.h"
#include "content/test/test_render_view_host.h"

namespace content {

TestWebContents::TestWebContents(BrowserContext* browser_context)
    : WebContentsImpl(browser_context, NULL),
      delegate_view_override_(NULL),
      expect_set_history_length_and_prune_(false),
      expect_set_history_length_and_prune_site_instance_(NULL),
      expect_set_history_length_and_prune_history_length_(0),
      expect_set_history_length_and_prune_min_page_id_(-1) {
}

TestWebContents* TestWebContents::Create(BrowserContext* browser_context,
                                         SiteInstance* instance) {
  TestWebContents* test_web_contents = new TestWebContents(browser_context);
  test_web_contents->Init(WebContents::CreateParams(browser_context, instance));
  return test_web_contents;
}

TestWebContents::~TestWebContents() {
  EXPECT_FALSE(expect_set_history_length_and_prune_);
}

RenderViewHost* TestWebContents::GetPendingRenderViewHost() const {
  return GetRenderManager()->pending_render_view_host();
}

TestRenderViewHost* TestWebContents::pending_test_rvh() const {
  return static_cast<TestRenderViewHost*>(GetPendingRenderViewHost());
}

void TestWebContents::TestDidNavigate(RenderViewHost* render_view_host,
                                      int page_id,
                                      const GURL& url,
                                      PageTransition transition) {
  TestDidNavigateWithReferrer(render_view_host,
                              page_id,
                              url,
                              Referrer(),
                              transition);
}

void TestWebContents::TestDidNavigateWithReferrer(
    RenderViewHost* render_view_host,
    int page_id,
    const GURL& url,
    const Referrer& referrer,
    PageTransition transition) {
  FrameHostMsg_DidCommitProvisionalLoad_Params params;

  params.page_id = page_id;
  params.url = url;
  params.referrer = referrer;
  params.transition = transition;
  params.redirects = std::vector<GURL>();
  params.should_update_history = false;
  params.searchable_form_url = GURL();
  params.searchable_form_encoding = std::string();
  params.security_info = std::string();
  params.gesture = NavigationGestureUser;
  params.was_within_same_page = false;
  params.is_post = false;
  params.page_state = PageState::CreateFromURL(url);

  RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(render_view_host);
  RenderFrameHostImpl* rfh = RenderFrameHostImpl::FromID(
      rvh->GetProcess()->GetID(), rvh->main_frame_routing_id());
  frame_tree_.root()->navigator()->DidNavigate(rfh, params);
}

WebPreferences TestWebContents::TestComputeWebkitPrefs() {
  return ComputeWebkitPrefs();
}

bool TestWebContents::CreateRenderViewForRenderManager(
    RenderViewHost* render_view_host,
    int opener_route_id,
    int proxy_routing_id,
    bool for_main_frame) {
  UpdateMaxPageIDIfNecessary(render_view_host);
  // This will go to a TestRenderViewHost.
  static_cast<RenderViewHostImpl*>(
      render_view_host)->CreateRenderView(base::string16(),
                                          opener_route_id,
                                          proxy_routing_id,
                                          -1, false);
  return true;
}

WebContents* TestWebContents::Clone() {
  WebContentsImpl* contents =
      Create(GetBrowserContext(), SiteInstance::Create(GetBrowserContext()));
  contents->GetController().CopyStateFrom(controller_);
  return contents;
}

void TestWebContents::NavigateAndCommit(const GURL& url) {
  GetController().LoadURL(
      url, Referrer(), PAGE_TRANSITION_LINK, std::string());
  GURL loaded_url(url);
  bool reverse_on_redirect = false;
  BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
      &loaded_url, GetBrowserContext(), &reverse_on_redirect);

  // LoadURL created a navigation entry, now simulate the RenderView sending
  // a notification that it actually navigated.
  CommitPendingNavigation();
}

void TestWebContents::TestSetIsLoading(bool value) {
  SetIsLoading(GetRenderViewHost(), value, true, NULL);
}

void TestWebContents::CommitPendingNavigation() {
  // If we are doing a cross-site navigation, this simulates the current RVH
  // notifying that it has unloaded so the pending RVH is resumed and can
  // navigate.
  ProceedWithCrossSiteNavigation();
  RenderViewHost* old_rvh = GetRenderViewHost();
  TestRenderViewHost* rvh =
      static_cast<TestRenderViewHost*>(GetPendingRenderViewHost());
  if (!rvh)
    rvh = static_cast<TestRenderViewHost*>(old_rvh);

  const NavigationEntry* entry = GetController().GetPendingEntry();
  DCHECK(entry);
  int page_id = entry->GetPageID();
  if (page_id == -1) {
    // It's a new navigation, assign a never-seen page id to it.
    page_id = GetMaxPageIDForSiteInstance(rvh->GetSiteInstance()) + 1;
  }

  rvh->SendNavigate(page_id, entry->GetURL());
  // Simulate the SwapOut_ACK. This is needed when cross-site navigation happens
  // (old_rvh != rvh).
  if (old_rvh != rvh)
    static_cast<RenderViewHostImpl*>(old_rvh)->OnSwappedOut(false);
}

void TestWebContents::ProceedWithCrossSiteNavigation() {
  if (!GetPendingRenderViewHost())
    return;
  TestRenderViewHost* rvh = static_cast<TestRenderViewHost*>(
      GetRenderViewHost());
  rvh->SendBeforeUnloadACK(true);
}

RenderViewHostDelegateView* TestWebContents::GetDelegateView() {
  if (delegate_view_override_)
    return delegate_view_override_;
  return WebContentsImpl::GetDelegateView();
}

void TestWebContents::SetOpener(TestWebContents* opener) {
  // This is normally only set in the WebContents constructor, which also
  // registers an observer for when the opener gets closed.
  opener_ = opener;
  AddDestructionObserver(opener_);
}

void TestWebContents::AddPendingContents(TestWebContents* contents) {
  // This is normally only done in WebContentsImpl::CreateNewWindow.
  pending_contents_[contents->GetRenderViewHost()->GetRoutingID()] = contents;
  AddDestructionObserver(contents);
}

void TestWebContents::ExpectSetHistoryLengthAndPrune(
    const SiteInstance* site_instance,
    int history_length,
    int32 min_page_id) {
  expect_set_history_length_and_prune_ = true;
  expect_set_history_length_and_prune_site_instance_ =
      static_cast<const SiteInstanceImpl*>(site_instance);
  expect_set_history_length_and_prune_history_length_ = history_length;
  expect_set_history_length_and_prune_min_page_id_ = min_page_id;
}

void TestWebContents::SetHistoryLengthAndPrune(
    const SiteInstance* site_instance, int history_length,
    int32 min_page_id) {
  EXPECT_TRUE(expect_set_history_length_and_prune_);
  expect_set_history_length_and_prune_ = false;
  EXPECT_EQ(expect_set_history_length_and_prune_site_instance_, site_instance);
  EXPECT_EQ(expect_set_history_length_and_prune_history_length_,
            history_length);
  EXPECT_EQ(expect_set_history_length_and_prune_min_page_id_, min_page_id);
}

void TestWebContents::TestDidFinishLoad(const GURL& url) {
  FrameHostMsg_DidFinishLoad msg(0, url);
  frame_tree_.root()->current_frame_host()->OnMessageReceived(msg);
}

void TestWebContents::TestDidFailLoadWithError(
    const GURL& url,
    int error_code,
    const base::string16& error_description) {
  FrameHostMsg_DidFailLoadWithError msg(
      0, url, error_code, error_description);
  frame_tree_.root()->current_frame_host()->OnMessageReceived(msg);
}

void TestWebContents::CreateNewWindow(
    int render_process_id,
    int route_id,
    int main_frame_route_id,
    const ViewHostMsg_CreateWindow_Params& params,
    SessionStorageNamespace* session_storage_namespace) {
}

void TestWebContents::CreateNewWidget(int render_process_id,
                                      int route_id,
                                      blink::WebPopupType popup_type) {
}

void TestWebContents::CreateNewFullscreenWidget(int render_process_id,
                                                int route_id) {
}

void TestWebContents::ShowCreatedWindow(int route_id,
                                        WindowOpenDisposition disposition,
                                        const gfx::Rect& initial_pos,
                                        bool user_gesture) {
}

void TestWebContents::ShowCreatedWidget(int route_id,
                                        const gfx::Rect& initial_pos) {
}

void TestWebContents::ShowCreatedFullscreenWidget(int route_id) {
}

}  // namespace content