Branch CEF3 files from /branches/cef3 to /trunk/cef3 (issue #564).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@571 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/url_request_interceptor.cc

@@ -0,0 +1,85 @@
+// Copyright (c) 2012 The Chromium Embedded Framework 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 "libcef/browser/url_request_interceptor.h"
+
+#include <string>
+
+#include "libcef/browser/browser_host_impl.h"
+#include "libcef/browser/resource_request_job.h"
+#include "libcef/browser/thread_util.h"
+#include "libcef/common/request_impl.h"
+
+#include "net/url_request/url_request_job_manager.h"
+#include "net/url_request/url_request_redirect_job.h"
+
+CefRequestInterceptor::CefRequestInterceptor() {
+  CEF_REQUIRE_IOT();
+  net::URLRequestJobManager::GetInstance()->RegisterRequestInterceptor(this);
+}
+
+CefRequestInterceptor::~CefRequestInterceptor() {
+  CEF_REQUIRE_IOT();
+  net::URLRequestJobManager::GetInstance()->
+      UnregisterRequestInterceptor(this);
+}
+
+net::URLRequestJob* CefRequestInterceptor::MaybeIntercept(
+    net::URLRequest* request) {
+  CefRefPtr<CefBrowserHostImpl> browser =
+      CefBrowserHostImpl::GetBrowserForRequest(request);
+  if (browser.get()) {
+    CefRefPtr<CefClient> client = browser->GetClient();
+    if (client.get()) {
+      CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
+      if (handler.get()) {
+        CefRefPtr<CefFrame> frame = browser->GetFrameForRequest(request);
+
+        // Populate the request data.
+        CefRefPtr<CefRequest> req(CefRequest::CreateRequest());
+        static_cast<CefRequestImpl*>(req.get())->Set(request);
+
+        // Give the client an opportunity to replace the request.
+        CefRefPtr<CefResourceHandler> resourceHandler =
+            handler->GetResourceHandler(browser.get(), frame, req);
+        if (resourceHandler.get())
+          return new CefResourceRequestJob(request, resourceHandler);
+      }
+    }
+  }
+
+  return NULL;
+}
+
+net::URLRequestJob* CefRequestInterceptor::MaybeInterceptRedirect(
+    net::URLRequest* request, const GURL& location) {
+  CefRefPtr<CefBrowserHostImpl> browser =
+      CefBrowserHostImpl::GetBrowserForRequest(request);
+  if (browser.get()) {
+    CefRefPtr<CefClient> client = browser->GetClient();
+    if (client.get()) {
+      CefRefPtr<CefRequestHandler> handler = client->GetRequestHandler();
+      if (handler.get()) {
+        CefRefPtr<CefFrame> frame = browser->GetFrameForRequest(request);
+
+        // Give the client an opportunity to redirect the request.
+        CefString newUrlStr = location.spec();
+        handler->OnResourceRedirect(browser.get(), frame, request->url().spec(),
+            newUrlStr);
+        if (newUrlStr != location.spec()) {
+          GURL new_url = GURL(std::string(newUrlStr));
+          if (!new_url.is_empty() && new_url.is_valid())
+            return new net::URLRequestRedirectJob(request, new_url);
+        }
+      }
+    }
+  }
+
+  return NULL;
+}
+
+net::URLRequestJob* CefRequestInterceptor::MaybeInterceptResponse(
+    net::URLRequest* request) {
+  return NULL;
+}