1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/prerender/external_prerender_handler_android.h"
6
7#include "base/android/jni_android.h"
8#include "base/android/jni_string.h"
9#include "base/strings/string16.h"
10#include "base/strings/utf_string_conversions.h"
11#include "chrome/browser/browser_process.h"
12#include "chrome/browser/prerender/prerender_handle.h"
13#include "chrome/browser/prerender/prerender_manager.h"
14#include "chrome/browser/prerender/prerender_manager_factory.h"
15#include "chrome/browser/profiles/profile.h"
16#include "chrome/browser/profiles/profile_android.h"
17#include "content/public/browser/web_contents.h"
18
19#include "jni/ExternalPrerenderHandler_jni.h"
20
21using base::android::ConvertJavaStringToUTF16;
22
23namespace prerender {
24
25bool ExternalPrerenderHandlerAndroid::AddPrerender(JNIEnv* env,
26                                                   jobject obj,
27                                                   jobject jprofile,
28                                                   jlong web_contents_ptr,
29                                                   jstring jurl,
30                                                   jstring jreferrer,
31                                                   jint width,
32                                                   jint height) {
33  Profile* profile = ProfileAndroid::FromProfileAndroid(jprofile);
34
35  GURL url = GURL(ConvertJavaStringToUTF16(env, jurl));
36  if (!url.is_valid())
37    return false;
38
39  GURL referrer_url = GURL(ConvertJavaStringToUTF16(env, jreferrer));
40  content::Referrer referrer = referrer_url.is_valid() ?
41      content::Referrer(referrer_url, blink::WebReferrerPolicyDefault) :
42      content::Referrer();
43  PrerenderManager* prerender_manager =
44      prerender::PrerenderManagerFactory::GetForProfile(profile);
45  if (!prerender_manager)
46    return false;
47  content::WebContents* web_contents =
48      reinterpret_cast<content::WebContents*>(web_contents_ptr);
49  if (prerender_handle_.get()) {
50    prerender_handle_->OnNavigateAway();
51  }
52  prerender_handle_.reset(
53      prerender_manager->AddPrerenderFromExternalRequest(
54          url,
55          referrer,
56          web_contents->GetController().GetDefaultSessionStorageNamespace(),
57          gfx::Size(width, height)));
58  if (!prerender_handle_)
59    return false;
60  return true;
61}
62
63void ExternalPrerenderHandlerAndroid::CancelCurrentPrerender(JNIEnv* env,
64                                                             jobject object) {
65  if (!prerender_handle_)
66    return;
67  prerender_handle_->OnCancel();
68  prerender_handle_.reset();
69}
70
71static jboolean HasPrerenderedUrl(JNIEnv* env,
72                                  jclass clazz,
73                                  jobject jprofile,
74                                  jstring jurl,
75                                  jlong web_contents_ptr) {
76  if (jurl == NULL)
77    return false;
78
79  Profile* profile = ProfileAndroid::FromProfileAndroid(jprofile);
80  GURL url = GURL(ConvertJavaStringToUTF16(env, jurl));
81  if (!url.is_valid())
82    return false;
83  prerender::PrerenderManager* prerender_manager =
84          prerender::PrerenderManagerFactory::GetForProfile(profile);
85  if (!prerender_manager)
86    return false;
87  content::WebContents* web_contents =
88      reinterpret_cast<content::WebContents*>(web_contents_ptr);
89  return prerender_manager->HasPrerenderedUrl(url, web_contents);
90}
91
92static jboolean HasCookieStoreLoaded(JNIEnv* env,
93                                     jclass clazz,
94                                     jobject jprofile) {
95  Profile* profile = ProfileAndroid::FromProfileAndroid(jprofile);
96  prerender::PrerenderManager* prerender_manager =
97      prerender::PrerenderManagerFactory::GetForProfile(profile);
98  if (!prerender_manager)
99    return false;
100  return prerender_manager->cookie_store_loaded();
101}
102
103ExternalPrerenderHandlerAndroid::ExternalPrerenderHandlerAndroid() {}
104
105ExternalPrerenderHandlerAndroid::~ExternalPrerenderHandlerAndroid() {}
106
107static jlong Init(JNIEnv* env, jclass clazz) {
108  ExternalPrerenderHandlerAndroid* external_handler =
109      new ExternalPrerenderHandlerAndroid();
110  return reinterpret_cast<intptr_t>(external_handler);
111}
112
113bool ExternalPrerenderHandlerAndroid::RegisterExternalPrerenderHandlerAndroid(
114    JNIEnv* env) {
115  return RegisterNativesImpl(env);
116}
117
118} // namespace prerender
119