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// 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 "components/navigation_interception/intercept_navigation_delegate.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/callback.h"
#include "components/navigation_interception/intercept_navigation_resource_throttle.h"
#include "components/navigation_interception/navigation_params_android.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/web_contents.h"
#include "jni/InterceptNavigationDelegate_jni.h"
#include "net/url_request/url_request.h"
#include "url/gurl.h"
using base::android::ConvertUTF8ToJavaString;
using base::android::ScopedJavaLocalRef;
using content::BrowserThread;
using content::PageTransition;
using content::RenderViewHost;
using content::WebContents;
namespace navigation_interception {
namespace {
const void* kInterceptNavigationDelegateUserDataKey =
&kInterceptNavigationDelegateUserDataKey;
bool CheckIfShouldIgnoreNavigationOnUIThread(RenderViewHost* source,
const NavigationParams& params) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DCHECK(source);
WebContents* web_contents = WebContents::FromRenderViewHost(source);
if (!web_contents)
return false;
InterceptNavigationDelegate* intercept_navigation_delegate =
InterceptNavigationDelegate::Get(web_contents);
if (!intercept_navigation_delegate)
return false;
return intercept_navigation_delegate->ShouldIgnoreNavigation(params);
}
} // namespace
// static
void InterceptNavigationDelegate::Associate(
WebContents* web_contents,
scoped_ptr<InterceptNavigationDelegate> delegate) {
web_contents->SetUserData(kInterceptNavigationDelegateUserDataKey,
delegate.release());
}
// static
InterceptNavigationDelegate* InterceptNavigationDelegate::Get(
WebContents* web_contents) {
return reinterpret_cast<InterceptNavigationDelegate*>(
web_contents->GetUserData(kInterceptNavigationDelegateUserDataKey));
}
// static
content::ResourceThrottle* InterceptNavigationDelegate::CreateThrottleFor(
net::URLRequest* request) {
return new InterceptNavigationResourceThrottle(
request, base::Bind(&CheckIfShouldIgnoreNavigationOnUIThread));
}
InterceptNavigationDelegate::InterceptNavigationDelegate(
JNIEnv* env, jobject jdelegate)
: weak_jdelegate_(env, jdelegate) {
}
InterceptNavigationDelegate::~InterceptNavigationDelegate() {
}
bool InterceptNavigationDelegate::ShouldIgnoreNavigation(
const NavigationParams& navigation_params) {
if (!navigation_params.url().is_valid())
return false;
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> jdelegate = weak_jdelegate_.get(env);
if (jdelegate.is_null())
return false;
ScopedJavaLocalRef<jobject> jobject_params =
CreateJavaNavigationParams(env, navigation_params);
return Java_InterceptNavigationDelegate_shouldIgnoreNavigation(
env,
jdelegate.obj(),
jobject_params.obj());
}
// Register native methods.
bool RegisterInterceptNavigationDelegate(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace navigation_interception
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