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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/ui/web_applications/webui_web_app_navigation_throttle.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/web_applications/app_browser_controller.h"
#include "chrome/browser/web_applications/web_app_constants.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/url_utils.h"
#include "url/gurl.h"
namespace web_app {
WebUIWebAppNavigationThrottle::WebUIWebAppNavigationThrottle(
content::NavigationThrottleRegistry& registry)
: content::NavigationThrottle(registry) {}
WebUIWebAppNavigationThrottle::~WebUIWebAppNavigationThrottle() = default;
const char* WebUIWebAppNavigationThrottle::GetNameForLogging() {
return "WebUIWebAppNavigationThrottle";
}
// static
void WebUIWebAppNavigationThrottle::MaybeCreateAndAdd(
content::NavigationThrottleRegistry& registry) {
content::NavigationHandle& handle = registry.GetNavigationHandle();
if (!handle.IsInPrimaryMainFrame()) {
return;
}
// Reloading the page should not cause the tab to change.
if (handle.GetReloadType() != content::ReloadType::NONE) {
return;
}
content::WebContents* web_contents = handle.GetWebContents();
Browser* browser = chrome::FindBrowserWithTab(web_contents);
if (!browser || !browser->app_controller()) {
return;
}
#if BUILDFLAG(IS_CHROMEOS)
// Exclude system web apps.
if (browser->app_controller()->system_app()) {
return;
}
#endif
// Proceed only if the app is coming from Chrome WebUI.
GURL start_url = browser->app_controller()->GetAppStartUrl();
if (!content::HasWebUIScheme(start_url)) {
return;
}
registry.AddThrottle(
std::make_unique<WebUIWebAppNavigationThrottle>(registry));
}
content::NavigationThrottle::ThrottleCheckResult
WebUIWebAppNavigationThrottle::WillStartRequest() {
GURL navigation_url = navigation_handle()->GetURL();
content::WebContents* web_contents = navigation_handle()->GetWebContents();
Browser* browser = chrome::FindBrowserWithTab(web_contents);
DCHECK(browser);
web_app::AppBrowserController* app_controller = browser->app_controller();
DCHECK(app_controller);
GURL start_url = browser->app_controller()->GetAppStartUrl();
if (content::HasWebUIScheme(navigation_url) &&
!url::IsSameOriginWith(navigation_url, start_url)) {
content::OpenURLParams params =
content::OpenURLParams::FromNavigationHandle(navigation_handle());
params.disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;
// Clear the FrameTreeNode id, as the new navigation will be in a new tab
// rather than the frame of the original navigation.
params.frame_tree_node_id = content::FrameTreeNodeId();
navigation_handle()->GetWebContents()->OpenURL(
std::move(params), /*navigation_handle_callback=*/{});
// Deactivate app window to foreground the browser with new tab.
browser->window()->Deactivate();
return content::NavigationThrottle::CANCEL_AND_IGNORE;
} else {
return content::NavigationThrottle::PROCEED;
}
}
content::NavigationThrottle::ThrottleCheckResult
WebUIWebAppNavigationThrottle::WillRedirectRequest() {
return WillStartRequest();
}
} // namespace web_app
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