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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/pdf/test_pdf_viewer_stream_manager.h"
#include <memory>
#include "base/check.h"
#include "base/containers/flat_set.h"
#include "base/run_loop.h"
#include "chrome/browser/pdf/pdf_extension_test_util.h"
#include "chrome/browser/pdf/pdf_viewer_stream_manager.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_user_data.h"
#include "content/public/test/browser_test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace pdf {
TestPdfViewerStreamManager::TestPdfViewerStreamManager(
content::WebContents* contents)
: PdfViewerStreamManager(contents) {}
TestPdfViewerStreamManager::~TestPdfViewerStreamManager() = default;
// static
TestPdfViewerStreamManager* TestPdfViewerStreamManager::CreateForWebContents(
content::WebContents* web_contents) {
auto manager = std::make_unique<TestPdfViewerStreamManager>(web_contents);
auto* manager_ptr = manager.get();
web_contents->SetUserData(PdfViewerStreamManager::UserDataKey(),
std::move(manager));
return manager_ptr;
}
void TestPdfViewerStreamManager::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
PdfViewerStreamManager::DidFinishNavigation(navigation_handle);
if (!on_pdf_loaded_) {
return;
}
// Check if the PDF has finished loading after the final PDF navigation. A
// complete PDF navigation should have a claimed `StreamInfo`.
auto* claimed_stream_info =
GetClaimedStreamInfoFromPdfContentNavigation(navigation_handle);
if (!claimed_stream_info || !claimed_stream_info->DidPdfContentNavigate()) {
return;
}
std::move(on_pdf_loaded_).Run();
}
void TestPdfViewerStreamManager::NavigateToPdfExtensionUrl(
content::FrameTreeNodeId extension_host_frame_tree_node_id,
StreamInfo* stream_info,
content::SiteInstance* site_instance,
content::GlobalRenderFrameHostId global_id) {
if (on_first_pdf_extension_navigation_finished_) {
// Stop blocking and immediately continue with the PDF extension navigation.
std::move(on_first_pdf_extension_navigation_finished_).Run();
}
if (delay_next_pdf_extension_load_) {
// Delay the PDF extension load until `ResumePdfExtensionNavigation()` is
// called.
delay_next_pdf_extension_load_ = false;
on_resume_pdf_extension_navigation_ = base::BindOnce(
&TestPdfViewerStreamManager::GetParamsAndNavigateToPdfExtensionUrl,
weak_factory_.GetWeakPtr(), global_id);
return;
}
PdfViewerStreamManager::NavigateToPdfExtensionUrl(
extension_host_frame_tree_node_id, stream_info, site_instance, global_id);
}
void TestPdfViewerStreamManager::DelayNextPdfExtensionNavigation() {
delay_next_pdf_extension_load_ = true;
}
void TestPdfViewerStreamManager::WaitUntilPdfExtensionNavigationStarted(
content::RenderFrameHost* embedder_host) {
// If `StreamInfo::extension_host_frame_tree_node_id()` has been set, then
// the navigation to about:blank has already committed.
auto* claimed_stream_info = GetClaimedStreamInfo(embedder_host);
if (!claimed_stream_info ||
!claimed_stream_info->extension_host_frame_tree_node_id()) {
base::RunLoop run_loop;
on_first_pdf_extension_navigation_finished_ = run_loop.QuitClosure();
run_loop.Run();
}
}
void TestPdfViewerStreamManager::ResumePdfExtensionNavigation(
content::RenderFrameHost* embedder_host) {
CHECK(on_resume_pdf_extension_navigation_);
std::move(on_resume_pdf_extension_navigation_).Run();
}
testing::AssertionResult TestPdfViewerStreamManager::WaitUntilPdfLoaded(
content::RenderFrameHost* embedder_host) {
WaitUntilPdfNavigationFinished(embedder_host);
// Wait until the PDF extension and content are loaded.
return pdf_extension_test_util::EnsurePDFHasLoaded(embedder_host);
}
testing::AssertionResult
TestPdfViewerStreamManager::WaitUntilPdfLoadedAllowMultipleFrames(
content::RenderFrameHost* embedder_host) {
WaitUntilPdfNavigationFinished(embedder_host);
// Wait until the PDF extension and content are loaded.
pdf_extension_test_util::EnsurePDFHasLoadedOptions options{
.allow_multiple_frames = true};
return pdf_extension_test_util::EnsurePDFHasLoadedWithOptions(embedder_host,
options);
}
testing::AssertionResult
TestPdfViewerStreamManager::WaitUntilPdfLoadedInFirstChild() {
content::RenderFrameHost* embedder_host =
ChildFrameAt(web_contents()->GetPrimaryMainFrame(), 0);
CHECK(embedder_host);
return WaitUntilPdfLoaded(embedder_host);
}
void TestPdfViewerStreamManager::GetParamsAndNavigateToPdfExtensionUrl(
content::GlobalRenderFrameHostId global_id) {
auto* about_blank_host = content::RenderFrameHost::FromID(global_id);
CHECK(about_blank_host);
content::RenderFrameHost* embedder_host = about_blank_host->GetParent();
CHECK(embedder_host);
auto* stream_info = GetClaimedStreamInfo(embedder_host);
CHECK(stream_info);
PdfViewerStreamManager::NavigateToPdfExtensionUrl(
about_blank_host->GetFrameTreeNodeId(), stream_info,
embedder_host->GetSiteInstance(), global_id);
}
void TestPdfViewerStreamManager::WaitUntilPdfNavigationFinished(
content::RenderFrameHost* embedder_host) {
// If all of the PDF frames haven't navigated, wait.
auto* claimed_stream_info = GetClaimedStreamInfo(embedder_host);
if (!claimed_stream_info || !claimed_stream_info->DidPdfContentNavigate()) {
base::RunLoop run_loop;
on_pdf_loaded_ = run_loop.QuitClosure();
run_loop.Run();
}
}
TestPdfViewerStreamManagerFactory::TestPdfViewerStreamManagerFactory() {
PdfViewerStreamManager::SetFactoryForTesting(this);
}
TestPdfViewerStreamManagerFactory::~TestPdfViewerStreamManagerFactory() {
PdfViewerStreamManager::SetFactoryForTesting(nullptr);
}
TestPdfViewerStreamManager*
TestPdfViewerStreamManagerFactory::GetTestPdfViewerStreamManager(
content::WebContents* contents) {
PdfViewerStreamManager* manager =
PdfViewerStreamManager::FromWebContents(contents);
CHECK(manager);
// Check if `manager` was created by `this`. If so, the `manager` is safe to
// downcast into a `TestPdfViewerStreamManager`.
CHECK(managers_.contains(manager));
return static_cast<TestPdfViewerStreamManager*>(manager);
}
void TestPdfViewerStreamManagerFactory::CreatePdfViewerStreamManager(
content::WebContents* contents) {
PdfViewerStreamManager* manager =
TestPdfViewerStreamManager::CreateForWebContents(contents);
CHECK(managers_.insert(manager).second);
}
} // namespace pdf
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