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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 "base/memory/ptr_util.h"
#include "components/navigation_interception/intercept_navigation_throttle.h"
#include "components/navigation_interception/navigation_params_android.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_throttle.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/resource_request_info.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 ui::PageTransition;
using content::RenderViewHost;
using content::WebContents;
namespace navigation_interception {
namespace {
const int kMaxValidityOfUserGestureCarryoverInSeconds = 10;
const void* const kInterceptNavigationDelegateUserDataKey =
&kInterceptNavigationDelegateUserDataKey;
bool CheckIfShouldIgnoreNavigationOnUIThread(WebContents* source,
const NavigationParams& params) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(source);
InterceptNavigationDelegate* intercept_navigation_delegate =
InterceptNavigationDelegate::Get(source);
if (!intercept_navigation_delegate)
return false;
return intercept_navigation_delegate->ShouldIgnoreNavigation(params);
}
void UpdateUserGestureCarryoverInfoOnUIThread(int render_process_id,
int render_frame_id) {
content::RenderFrameHost* render_frame_host =
content::RenderFrameHost::FromID(render_process_id, render_frame_id);
if (!render_frame_host)
return;
content::WebContents* web_contents =
content::WebContents::FromRenderFrameHost(render_frame_host);
InterceptNavigationDelegate* intercept_navigation_delegate =
InterceptNavigationDelegate::Get(web_contents);
if (intercept_navigation_delegate) {
intercept_navigation_delegate->UpdateLastUserGestureCarryoverTimestamp();
}
}
} // namespace
// static
void InterceptNavigationDelegate::Associate(
WebContents* web_contents,
std::unique_ptr<InterceptNavigationDelegate> delegate) {
web_contents->SetUserData(kInterceptNavigationDelegateUserDataKey,
delegate.release());
}
// static
InterceptNavigationDelegate* InterceptNavigationDelegate::Get(
WebContents* web_contents) {
return static_cast<InterceptNavigationDelegate*>(
web_contents->GetUserData(kInterceptNavigationDelegateUserDataKey));
}
// static
std::unique_ptr<content::NavigationThrottle>
InterceptNavigationDelegate::CreateThrottleFor(
content::NavigationHandle* handle) {
return base::WrapUnique(new InterceptNavigationThrottle(
handle, base::Bind(&CheckIfShouldIgnoreNavigationOnUIThread), false));
}
// static
void InterceptNavigationDelegate::UpdateUserGestureCarryoverInfo(
net::URLRequest* request) {
const content::ResourceRequestInfo* info =
content::ResourceRequestInfo::ForRequest(request);
if (!info || !info->HasUserGesture())
return;
int render_process_id, render_frame_id;
if (!info->GetAssociatedRenderFrame(&render_process_id, &render_frame_id))
return;
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(&UpdateUserGestureCarryoverInfoOnUIThread,
render_process_id, render_frame_id));
}
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;
bool has_user_gesture_carryover =
!navigation_params.has_user_gesture() &&
base::TimeTicks::Now() - last_user_gesture_carryover_timestamp_ <=
base::TimeDelta::FromSeconds(
kMaxValidityOfUserGestureCarryoverInSeconds);
ScopedJavaLocalRef<jobject> jobject_params = CreateJavaNavigationParams(
env, navigation_params, has_user_gesture_carryover);
return Java_InterceptNavigationDelegate_shouldIgnoreNavigation(
env,
jdelegate.obj(),
jobject_params.obj());
}
void InterceptNavigationDelegate::UpdateLastUserGestureCarryoverTimestamp() {
last_user_gesture_carryover_timestamp_ = base::TimeTicks::Now();
}
// Register native methods.
bool RegisterInterceptNavigationDelegate(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace navigation_interception
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