content/browser/frame_host/navigation_controller_android.cc

   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 "content/browser/frame_host/navigation_controller_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_array.h"
   9 #include "base/android/jni_string.h"
  10 #include "content/browser/frame_host/navigation_entry_impl.h"
  11 #include "content/public/browser/browser_context.h"
  12 #include "content/public/browser/navigation_controller.h"
  13 #include "content/public/browser/ssl_host_state_delegate.h"
  14 #include "jni/NavigationControllerImpl_jni.h"
  15 #include "ui/gfx/android/java_bitmap.h"
  16
  17 using base::android::AttachCurrentThread;
  18 using base::android::ConvertJavaStringToUTF16;
  19 using base::android::ConvertJavaStringToUTF8;
  20 using base::android::ConvertUTF16ToJavaString;
  21 using base::android::ConvertUTF8ToJavaString;
  22 namespace {
  23
  24 // static
  25 static base::android::ScopedJavaLocalRef<jobject> CreateJavaNavigationEntry(
  26     JNIEnv* env,
  27     content::NavigationEntry* entry,
  28     int index) {
  29   DCHECK(entry);
  30
  31   // Get the details of the current entry
  32   ScopedJavaLocalRef<jstring> j_url(
  33       ConvertUTF8ToJavaString(env, entry->GetURL().spec()));
  34   ScopedJavaLocalRef<jstring> j_virtual_url(
  35       ConvertUTF8ToJavaString(env, entry->GetVirtualURL().spec()));
  36   ScopedJavaLocalRef<jstring> j_original_url(
  37       ConvertUTF8ToJavaString(env, entry->GetOriginalRequestURL().spec()));
  38   ScopedJavaLocalRef<jstring> j_title(
  39       ConvertUTF16ToJavaString(env, entry->GetTitle()));
  40   ScopedJavaLocalRef<jobject> j_bitmap;
  41   const content::FaviconStatus& status = entry->GetFavicon();
  42   if (status.valid && status.image.ToSkBitmap()->getSize() > 0)
  43     j_bitmap = gfx::ConvertToJavaBitmap(status.image.ToSkBitmap());
  44
  45   return content::Java_NavigationControllerImpl_createNavigationEntry(
  46       env,
  47       index,
  48       j_url.obj(),
  49       j_virtual_url.obj(),
  50       j_original_url.obj(),
  51       j_title.obj(),
  52       j_bitmap.obj(),
  53       entry->GetTransitionType());
  54 }
  55
  56 static void AddNavigationEntryToHistory(JNIEnv* env,
  57                                         jobject history,
  58                                         content::NavigationEntry* entry,
  59                                         int index) {
  60   content::Java_NavigationControllerImpl_addToNavigationHistory(
  61       env,
  62       history,
  63       CreateJavaNavigationEntry(env, entry, index).obj());
  64 }
  65
  66 }  // namespace
  67
  68 namespace content {
  69
  70 // static
  71 bool NavigationControllerAndroid::Register(JNIEnv* env) {
  72   return RegisterNativesImpl(env);
  73 }
  74
  75 NavigationControllerAndroid::NavigationControllerAndroid(
  76     NavigationController* navigation_controller)
  77     : navigation_controller_(navigation_controller) {
  78   JNIEnv* env = AttachCurrentThread();
  79   obj_.Reset(env,
  80              Java_NavigationControllerImpl_create(
  81                  env, reinterpret_cast<intptr_t>(this)).obj());
  82 }
  83
  84 NavigationControllerAndroid::~NavigationControllerAndroid() {
  85   Java_NavigationControllerImpl_destroy(AttachCurrentThread(), obj_.obj());
  86 }
  87
  88 base::android::ScopedJavaLocalRef<jobject>
  89 NavigationControllerAndroid::GetJavaObject() {
  90   return base::android::ScopedJavaLocalRef<jobject>(obj_);
  91 }
  92
  93 jboolean NavigationControllerAndroid::CanGoBack(JNIEnv* env, jobject obj) {
  94   return navigation_controller_->CanGoBack();
  95 }
  96
  97 jboolean NavigationControllerAndroid::CanGoForward(JNIEnv* env,
  98                                                    jobject obj) {
  99   return navigation_controller_->CanGoForward();
 100 }
 101
 102 jboolean NavigationControllerAndroid::CanGoToOffset(JNIEnv* env,
 103                                                     jobject obj,
 104                                                     jint offset) {
 105   return navigation_controller_->CanGoToOffset(offset);
 106 }
 107
 108 void NavigationControllerAndroid::GoBack(JNIEnv* env, jobject obj) {
 109   navigation_controller_->GoBack();
 110 }
 111
 112 void NavigationControllerAndroid::GoForward(JNIEnv* env, jobject obj) {
 113   navigation_controller_->GoForward();
 114 }
 115
 116 void NavigationControllerAndroid::GoToOffset(JNIEnv* env,
 117                                              jobject obj,
 118                                              jint offset) {
 119   navigation_controller_->GoToOffset(offset);
 120 }
 121
 122 jboolean NavigationControllerAndroid::IsInitialNavigation(JNIEnv* env,
 123                                                           jobject obj) {
 124   return navigation_controller_->IsInitialNavigation();
 125 }
 126
 127 void NavigationControllerAndroid::LoadIfNecessary(JNIEnv* env, jobject obj) {
 128   navigation_controller_->LoadIfNecessary();
 129 }
 130
 131 void NavigationControllerAndroid::ContinuePendingReload(JNIEnv* env,
 132                                                         jobject obj) {
 133   navigation_controller_->ContinuePendingReload();
 134 }
 135
 136 void NavigationControllerAndroid::Reload(JNIEnv* env,
 137                                          jobject obj,
 138                                          jboolean check_for_repost) {
 139   navigation_controller_->Reload(check_for_repost);
 140 }
 141
 142 void NavigationControllerAndroid::ReloadIgnoringCache(
 143     JNIEnv* env,
 144     jobject obj,
 145     jboolean check_for_repost) {
 146   navigation_controller_->ReloadIgnoringCache(check_for_repost);
 147 }
 148
 149 void NavigationControllerAndroid::RequestRestoreLoad(JNIEnv* env, jobject obj) {
 150   navigation_controller_->SetNeedsReload();
 151 }
 152
 153 void NavigationControllerAndroid::CancelPendingReload(JNIEnv* env,
 154                                                       jobject obj) {
 155   navigation_controller_->CancelPendingReload();
 156 }
 157
 158 void NavigationControllerAndroid::GoToNavigationIndex(JNIEnv* env,
 159                                                       jobject obj,
 160                                                       jint index) {
 161   navigation_controller_->GoToIndex(index);
 162 }
 163
 164 void NavigationControllerAndroid::LoadUrl(JNIEnv* env,
 165                                           jobject obj,
 166                                           jstring url,
 167                                           jint load_url_type,
 168                                           jint transition_type,
 169                                           jstring j_referrer_url,
 170                                           jint referrer_policy,
 171                                           jint ua_override_option,
 172                                           jstring extra_headers,
 173                                           jbyteArray post_data,
 174                                           jstring base_url_for_data_url,
 175                                           jstring virtual_url_for_data_url,
 176                                           jboolean can_load_local_resources,
 177                                           jboolean is_renderer_initiated) {
 178   DCHECK(url);
 179   NavigationController::LoadURLParams params(
 180       GURL(ConvertJavaStringToUTF8(env, url)));
 181
 182   params.load_type =
 183       static_cast<NavigationController::LoadURLType>(load_url_type);
 184   params.transition_type = ui::PageTransitionFromInt(transition_type);
 185   params.override_user_agent =
 186       static_cast<NavigationController::UserAgentOverrideOption>(
 187           ua_override_option);
 188   params.can_load_local_resources = can_load_local_resources;
 189   params.is_renderer_initiated = is_renderer_initiated;
 190
 191   if (extra_headers)
 192     params.extra_headers = ConvertJavaStringToUTF8(env, extra_headers);
 193
 194   if (post_data) {
 195     std::vector<uint8> http_body_vector;
 196     base::android::JavaByteArrayToByteVector(env, post_data, &http_body_vector);
 197     params.browser_initiated_post_data =
 198         base::RefCountedBytes::TakeVector(&http_body_vector);
 199   }
 200
 201   if (base_url_for_data_url) {
 202     params.base_url_for_data_url =
 203         GURL(ConvertJavaStringToUTF8(env, base_url_for_data_url));
 204   }
 205
 206   if (virtual_url_for_data_url) {
 207     params.virtual_url_for_data_url =
 208         GURL(ConvertJavaStringToUTF8(env, virtual_url_for_data_url));
 209   }
 210
 211   if (j_referrer_url) {
 212     params.referrer = content::Referrer(
 213         GURL(ConvertJavaStringToUTF8(env, j_referrer_url)),
 214         static_cast<blink::WebReferrerPolicy>(referrer_policy));
 215   }
 216
 217   navigation_controller_->LoadURLWithParams(params);
 218 }
 219
 220 void NavigationControllerAndroid::ClearHistory(JNIEnv* env, jobject obj) {
 221   // TODO(creis): Do callers of this need to know if it fails?
 222   if (navigation_controller_->CanPruneAllButLastCommitted())
 223     navigation_controller_->PruneAllButLastCommitted();
 224 }
 225
 226 jint NavigationControllerAndroid::GetNavigationHistory(JNIEnv* env,
 227                                                        jobject obj,
 228                                                        jobject history) {
 229   // Iterate through navigation entries to populate the list
 230   int count = navigation_controller_->GetEntryCount();
 231   for (int i = 0; i < count; ++i) {
 232     AddNavigationEntryToHistory(
 233         env, history, navigation_controller_->GetEntryAtIndex(i), i);
 234   }
 235
 236   return navigation_controller_->GetCurrentEntryIndex();
 237 }
 238
 239 void NavigationControllerAndroid::GetDirectedNavigationHistory(
 240     JNIEnv* env,
 241     jobject obj,
 242     jobject history,
 243     jboolean is_forward,
 244     jint max_entries) {
 245   // Iterate through navigation entries to populate the list
 246   int count = navigation_controller_->GetEntryCount();
 247   int num_added = 0;
 248   int increment_value = is_forward ? 1 : -1;
 249   for (int i = navigation_controller_->GetCurrentEntryIndex() + increment_value;
 250        i >= 0 && i < count;
 251        i += increment_value) {
 252     if (num_added >= max_entries)
 253       break;
 254
 255     AddNavigationEntryToHistory(
 256         env, history, navigation_controller_->GetEntryAtIndex(i), i);
 257     num_added++;
 258   }
 259 }
 260
 261 ScopedJavaLocalRef<jstring>
 262 NavigationControllerAndroid::GetOriginalUrlForVisibleNavigationEntry(
 263     JNIEnv* env,
 264     jobject obj) {
 265   NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
 266   if (entry == NULL)
 267     return ScopedJavaLocalRef<jstring>(env, NULL);
 268   return ConvertUTF8ToJavaString(env, entry->GetOriginalRequestURL().spec());
 269 }
 270
 271 void NavigationControllerAndroid::ClearSslPreferences(JNIEnv* env,
 272                                                       jobject obj) {
 273   content::SSLHostStateDelegate* delegate =
 274       navigation_controller_->GetBrowserContext()->GetSSLHostStateDelegate();
 275   if (delegate)
 276     delegate->Clear();
 277 }
 278
 279 bool NavigationControllerAndroid::GetUseDesktopUserAgent(JNIEnv* env,
 280                                                          jobject obj) {
 281   NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
 282   return entry && entry->GetIsOverridingUserAgent();
 283 }
 284
 285 void NavigationControllerAndroid::SetUseDesktopUserAgent(
 286     JNIEnv* env,
 287     jobject obj,
 288     jboolean enabled,
 289     jboolean reload_on_state_change) {
 290   if (GetUseDesktopUserAgent(env, obj) == enabled)
 291     return;
 292
 293   // Make sure the navigation entry actually exists.
 294   NavigationEntry* entry = navigation_controller_->GetVisibleEntry();
 295   if (!entry)
 296     return;
 297
 298   // Set the flag in the NavigationEntry.
 299   entry->SetIsOverridingUserAgent(enabled);
 300
 301   // Send the override to the renderer.
 302   if (reload_on_state_change) {
 303     // Reloading the page will send the override down as part of the
 304     // navigation IPC message.
 305     navigation_controller_->ReloadOriginalRequestURL(false);
 306   }
 307 }
 308
 309 base::android::ScopedJavaLocalRef<jobject>
 310 NavigationControllerAndroid::GetEntryAtIndex(JNIEnv* env,
 311                                              jobject obj,
 312                                              int index) {
 313   if (index < 0 || index >= navigation_controller_->GetEntryCount())
 314     return base::android::ScopedJavaLocalRef<jobject>();
 315
 316   content::NavigationEntry* entry =
 317       navigation_controller_->GetEntryAtIndex(index);
 318   return CreateJavaNavigationEntry(env, entry, index);
 319 }
 320
 321 base::android::ScopedJavaLocalRef<jobject>
 322 NavigationControllerAndroid::GetPendingEntry(JNIEnv* env, jobject obj) {
 323   content::NavigationEntry* entry = navigation_controller_->GetPendingEntry();
 324
 325   if (!entry)
 326     return base::android::ScopedJavaLocalRef<jobject>();
 327
 328   return CreateJavaNavigationEntry(
 329       env, entry, navigation_controller_->GetPendingEntryIndex());
 330 }
 331
 332 jint NavigationControllerAndroid::GetLastCommittedEntryIndex(JNIEnv* env,
 333                                                              jobject obj) {
 334   return navigation_controller_->GetLastCommittedEntryIndex();
 335 }
 336
 337 jboolean NavigationControllerAndroid::RemoveEntryAtIndex(JNIEnv* env,
 338                                                          jobject obj,
 339                                                          jint index) {
 340   return navigation_controller_->RemoveEntryAtIndex(index);
 341 }
 342
 343 jboolean NavigationControllerAndroid::CanCopyStateOver(JNIEnv* env,
 344                                                        jobject obj) {
 345   return navigation_controller_->GetEntryCount() == 0 &&
 346       !navigation_controller_->GetPendingEntry();
 347 }
 348
 349 jboolean NavigationControllerAndroid::CanPruneAllButLastCommitted(JNIEnv* env,
 350                                                                   jobject obj) {
 351   return navigation_controller_->CanPruneAllButLastCommitted();
 352 }
 353
 354 void NavigationControllerAndroid::CopyStateFrom(
 355     JNIEnv* env,
 356     jobject obj,
 357     jlong source_navigation_controller_android) {
 358   navigation_controller_->CopyStateFrom(
 359       *(reinterpret_cast<NavigationControllerAndroid*>(
 360           source_navigation_controller_android)->navigation_controller_));
 361 }
 362
 363 void NavigationControllerAndroid::CopyStateFromAndPrune(
 364     JNIEnv* env,
 365     jobject obj,
 366     jlong source_navigation_controller_android,
 367     jboolean replace_entry) {
 368   navigation_controller_->CopyStateFromAndPrune(
 369       reinterpret_cast<NavigationControllerAndroid*>(
 370           source_navigation_controller_android)->navigation_controller_,
 371       replace_entry);
 372 }
 373
 374 }  // namespace content