Implement android_webview url intercepting.

This implements the WebViewClient shouldInterceptRequest and onLoadResource  callbacks.

BUG=138481
Android-only change - ran through android try.
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/11110013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162141 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 101 insertions, 0 deletions

diff --git a/android_webview/native/intercepted_request_data_impl.cc b/android_webview/native/intercepted_request_data_impl.cc
new file mode 100644
index 0000000..e3d9096
--- /dev/null
+++ b/android_webview/native/intercepted_request_data_impl.cc
@@ -0,0 +1,101 @@
+// 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 "android_webview/native/intercepted_request_data_impl.h"
+
+#include "android_webview/native/android_stream_reader_url_request_job.h"
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "jni/InterceptedRequestData_jni.h"
+#include "net/url_request/url_request.h"
+#include "net/url_request/url_request_job.h"
+
+using base::android::ScopedJavaLocalRef;
+
+namespace android_webview {
+
+namespace {
+
+class StreamReaderJobDelegateImpl :
+    public AndroidStreamReaderURLRequestJob::Delegate {
+ public:
+    StreamReaderJobDelegateImpl(
+        const InterceptedRequestDataImpl* intercepted_request_data)
+        : intercepted_request_data_impl_(intercepted_request_data) {
+      DCHECK(intercepted_request_data_impl_);
+    }
+
+    virtual base::android::ScopedJavaLocalRef<jobject> OpenInputStream(
+        JNIEnv* env,
+        net::URLRequest* request) OVERRIDE {
+      return intercepted_request_data_impl_->GetInputStream(env);
+    }
+
+    virtual bool GetMimeType(JNIEnv* env,
+                             net::URLRequest* request,
+                             jobject stream,
+                             std::string* mime_type) OVERRIDE {
+      return intercepted_request_data_impl_->GetMimeType(env, mime_type);
+    }
+
+    virtual bool GetCharset(JNIEnv* env,
+                            net::URLRequest* request,
+                            jobject stream,
+                            std::string* charset) OVERRIDE {
+      return intercepted_request_data_impl_->GetCharset(env, charset);
+    }
+
+ private:
+    const InterceptedRequestDataImpl* intercepted_request_data_impl_;
+};
+
+} // namespace
+
+InterceptedRequestDataImpl::InterceptedRequestDataImpl(
+    const base::android::JavaRef<jobject>& obj)
+  : java_object_(obj) {
+}
+
+InterceptedRequestDataImpl::~InterceptedRequestDataImpl() {
+}
+
+ScopedJavaLocalRef<jobject>
+InterceptedRequestDataImpl::GetInputStream(JNIEnv* env) const {
+  return Java_InterceptedRequestData_getData(env, java_object_.obj());
+}
+
+bool InterceptedRequestDataImpl::GetMimeType(JNIEnv* env,
+                                             std::string* mime_type) const {
+  ScopedJavaLocalRef<jstring> jstring_mime_type =
+      Java_InterceptedRequestData_getMimeType(env, java_object_.obj());
+  if (jstring_mime_type.is_null())
+    return false;
+  *mime_type = ConvertJavaStringToUTF8(jstring_mime_type);
+  return true;
+}
+
+bool InterceptedRequestDataImpl::GetCharset(
+    JNIEnv* env, std::string* charset) const {
+  ScopedJavaLocalRef<jstring> jstring_charset =
+      Java_InterceptedRequestData_getCharset(env, java_object_.obj());
+  if (jstring_charset.is_null())
+    return false;
+  *charset = ConvertJavaStringToUTF8(jstring_charset);
+  return true;
+}
+
+bool RegisterInterceptedRequestData(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+net::URLRequestJob* InterceptedRequestDataImpl::CreateJobFor(
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate) const {
+  scoped_ptr<AndroidStreamReaderURLRequestJob::Delegate>
+      stream_reader_job_delegate_impl(new StreamReaderJobDelegateImpl(this));
+  return new AndroidStreamReaderURLRequestJob(
+      request, network_delegate, stream_reader_job_delegate_impl.Pass());
+}
+
+} // namespace android_webview