components/web_contents_delegate_android/web_contents_delegate_android.cc

   1 // Copyright (c) 2012 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 "components/web_contents_delegate_android/web_contents_delegate_android.h"
   6
   7 #include <android/keycodes.h>
   8
   9 #include "base/android/jni_android.h"
  10 #include "base/android/jni_array.h"
  11 #include "base/android/jni_string.h"
  12 #include "components/web_contents_delegate_android/color_chooser_android.h"
  13 #include "components/web_contents_delegate_android/validation_message_bubble_android.h"
  14 #include "content/public/browser/android/content_view_core.h"
  15 #include "content/public/browser/color_chooser.h"
  16 #include "content/public/browser/global_request_id.h"
  17 #include "content/public/browser/invalidate_type.h"
  18 #include "content/public/browser/native_web_keyboard_event.h"
  19 #include "content/public/browser/navigation_controller.h"
  20 #include "content/public/browser/page_navigator.h"
  21 #include "content/public/browser/render_widget_host_view.h"
  22 #include "content/public/browser/web_contents.h"
  23 #include "content/public/common/referrer.h"
  24 #include "jni/WebContentsDelegateAndroid_jni.h"
  25 #include "ui/base/window_open_disposition.h"
  26 #include "ui/gfx/geometry/rect.h"
  27 #include "url/gurl.h"
  28
  29 using base::android::AttachCurrentThread;
  30 using base::android::ConvertUTF8ToJavaString;
  31 using base::android::ConvertUTF16ToJavaString;
  32 using base::android::ScopedJavaLocalRef;
  33 using content::ColorChooser;
  34 using content::RenderWidgetHostView;
  35 using content::WebContents;
  36 using content::WebContentsDelegate;
  37
  38 namespace web_contents_delegate_android {
  39
  40 WebContentsDelegateAndroid::WebContentsDelegateAndroid(JNIEnv* env, jobject obj)
  41     : weak_java_delegate_(env, obj) {
  42 }
  43
  44 WebContentsDelegateAndroid::~WebContentsDelegateAndroid() {
  45 }
  46
  47 ScopedJavaLocalRef<jobject>
  48 WebContentsDelegateAndroid::GetJavaDelegate(JNIEnv* env) const {
  49   return weak_java_delegate_.get(env);
  50 }
  51
  52 // ----------------------------------------------------------------------------
  53 // WebContentsDelegate methods
  54 // ----------------------------------------------------------------------------
  55
  56 ColorChooser* WebContentsDelegateAndroid::OpenColorChooser(
  57       WebContents* source,
  58       SkColor color,
  59       const std::vector<content::ColorSuggestion>& suggestions)  {
  60   return new ColorChooserAndroid(source, color, suggestions);
  61 }
  62
  63 // OpenURLFromTab() will be called when we're performing a browser-intiated
  64 // navigation. The most common scenario for this is opening new tabs (see
  65 // RenderViewImpl::decidePolicyForNavigation for more details).
  66 WebContents* WebContentsDelegateAndroid::OpenURLFromTab(
  67     WebContents* source,
  68     const content::OpenURLParams& params) {
  69   const GURL& url = params.url;
  70   WindowOpenDisposition disposition = params.disposition;
  71
  72   if (!source || (disposition != CURRENT_TAB &&
  73                   disposition != NEW_FOREGROUND_TAB &&
  74                   disposition != NEW_BACKGROUND_TAB &&
  75                   disposition != OFF_THE_RECORD)) {
  76     NOTIMPLEMENTED();
  77     return NULL;
  78   }
  79
  80   JNIEnv* env = AttachCurrentThread();
  81   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
  82   if (obj.is_null())
  83     return WebContentsDelegate::OpenURLFromTab(source, params);
  84
  85   if (disposition == NEW_FOREGROUND_TAB ||
  86       disposition == NEW_BACKGROUND_TAB ||
  87       disposition == OFF_THE_RECORD) {
  88     JNIEnv* env = AttachCurrentThread();
  89     ScopedJavaLocalRef<jstring> java_url =
  90         ConvertUTF8ToJavaString(env, url.spec());
  91     ScopedJavaLocalRef<jstring> extra_headers =
  92             ConvertUTF8ToJavaString(env, params.extra_headers);
  93     ScopedJavaLocalRef<jbyteArray> post_data;
  94     if (params.uses_post &&
  95         params.browser_initiated_post_data.get() &&
  96         params.browser_initiated_post_data.get()->size()) {
  97       post_data = base::android::ToJavaByteArray(
  98           env,
  99           params.browser_initiated_post_data.get()->front_as<uint8>(),
 100           params.browser_initiated_post_data.get()->size());
 101     }
 102     Java_WebContentsDelegateAndroid_openNewTab(env,
 103                                                obj.obj(),
 104                                                java_url.obj(),
 105                                                extra_headers.obj(),
 106                                                post_data.obj(),
 107                                                disposition,
 108                                                params.is_renderer_initiated);
 109     return NULL;
 110   }
 111
 112   // content::OpenURLParams -> content::NavigationController::LoadURLParams
 113   content::NavigationController::LoadURLParams load_params(url);
 114   load_params.referrer = params.referrer;
 115   load_params.frame_tree_node_id = params.frame_tree_node_id;
 116   load_params.redirect_chain = params.redirect_chain;
 117   load_params.transition_type = params.transition;
 118   load_params.extra_headers = params.extra_headers;
 119   load_params.should_replace_current_entry =
 120       params.should_replace_current_entry;
 121   load_params.is_renderer_initiated = params.is_renderer_initiated;
 122
 123   if (params.transferred_global_request_id != content::GlobalRequestID()) {
 124     load_params.transferred_global_request_id =
 125         params.transferred_global_request_id;
 126   }
 127
 128   // Only allows the browser-initiated navigation to use POST.
 129   if (params.uses_post && !params.is_renderer_initiated) {
 130     load_params.load_type =
 131         content::NavigationController::LOAD_TYPE_BROWSER_INITIATED_HTTP_POST;
 132     load_params.browser_initiated_post_data =
 133         params.browser_initiated_post_data;
 134   }
 135
 136   source->GetController().LoadURLWithParams(load_params);
 137
 138   return source;
 139 }
 140
 141 void WebContentsDelegateAndroid::NavigationStateChanged(
 142     WebContents* source, content::InvalidateTypes changed_flags) {
 143   JNIEnv* env = AttachCurrentThread();
 144   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 145   if (obj.is_null())
 146     return;
 147   Java_WebContentsDelegateAndroid_navigationStateChanged(
 148       env,
 149       obj.obj(),
 150       changed_flags);
 151 }
 152
 153 void WebContentsDelegateAndroid::VisibleSSLStateChanged(WebContents* source) {
 154   JNIEnv* env = AttachCurrentThread();
 155   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 156   if (obj.is_null())
 157     return;
 158   Java_WebContentsDelegateAndroid_visibleSSLStateChanged(
 159       env,
 160       obj.obj());
 161 }
 162
 163 void WebContentsDelegateAndroid::ActivateContents(WebContents* contents) {
 164   JNIEnv* env = AttachCurrentThread();
 165   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 166   if (obj.is_null())
 167     return;
 168   Java_WebContentsDelegateAndroid_activateContents(env, obj.obj());
 169 }
 170
 171 void WebContentsDelegateAndroid::DeactivateContents(WebContents* contents) {
 172   // On desktop the current window is deactivated here, bringing the next window
 173   // to focus. Not implemented on Android.
 174 }
 175
 176 void WebContentsDelegateAndroid::LoadingStateChanged(WebContents* source,
 177     bool to_different_document) {
 178   JNIEnv* env = AttachCurrentThread();
 179   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 180   if (obj.is_null())
 181     return;
 182   bool has_stopped = source == NULL || !source->IsLoading();
 183
 184   if (has_stopped)
 185     Java_WebContentsDelegateAndroid_onLoadStopped(env, obj.obj());
 186   else
 187     Java_WebContentsDelegateAndroid_onLoadStarted(env, obj.obj());
 188 }
 189
 190 void WebContentsDelegateAndroid::LoadProgressChanged(WebContents* source,
 191                                                      double progress) {
 192   JNIEnv* env = AttachCurrentThread();
 193   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 194   if (obj.is_null())
 195     return;
 196   Java_WebContentsDelegateAndroid_notifyLoadProgressChanged(
 197       env,
 198       obj.obj(),
 199       progress);
 200 }
 201
 202 void WebContentsDelegateAndroid::RendererUnresponsive(WebContents* source) {
 203   JNIEnv* env = AttachCurrentThread();
 204   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 205   if (obj.is_null())
 206     return;
 207   Java_WebContentsDelegateAndroid_rendererUnresponsive(env, obj.obj());
 208 }
 209
 210 void WebContentsDelegateAndroid::RendererResponsive(WebContents* source) {
 211   JNIEnv* env = AttachCurrentThread();
 212   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 213   if (obj.is_null())
 214     return;
 215   Java_WebContentsDelegateAndroid_rendererResponsive(env, obj.obj());
 216 }
 217
 218 bool WebContentsDelegateAndroid::ShouldCreateWebContents(
 219     WebContents* web_contents,
 220     int route_id,
 221     int main_frame_route_id,
 222     WindowContainerType window_container_type,
 223     const std::string& frame_name,
 224     const GURL& target_url,
 225     const std::string& partition_id,
 226     content::SessionStorageNamespace* session_storage_namespace) {
 227   JNIEnv* env = AttachCurrentThread();
 228   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 229   if (obj.is_null())
 230     return true;
 231   ScopedJavaLocalRef<jstring> java_url =
 232       ConvertUTF8ToJavaString(env, target_url.spec());
 233   return Java_WebContentsDelegateAndroid_shouldCreateWebContents(env, obj.obj(),
 234       java_url.obj());
 235 }
 236
 237 bool WebContentsDelegateAndroid::OnGoToEntryOffset(int offset) {
 238   JNIEnv* env = AttachCurrentThread();
 239   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 240   if (obj.is_null())
 241     return true;
 242   return Java_WebContentsDelegateAndroid_onGoToEntryOffset(env, obj.obj(),
 243       offset);
 244 }
 245
 246 void WebContentsDelegateAndroid::WebContentsCreated(
 247     WebContents* source_contents, int opener_render_frame_id,
 248     const std::string& frame_name, const GURL& target_url,
 249     WebContents* new_contents) {
 250   JNIEnv* env = AttachCurrentThread();
 251   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 252   if (obj.is_null())
 253     return;
 254
 255   ScopedJavaLocalRef<jobject> jsource_contents;
 256   if (source_contents)
 257     jsource_contents = source_contents->GetJavaWebContents();
 258   ScopedJavaLocalRef<jobject> jnew_contents;
 259   if (new_contents)
 260     jnew_contents = new_contents->GetJavaWebContents();
 261
 262   Java_WebContentsDelegateAndroid_webContentsCreated(
 263       env, obj.obj(), jsource_contents.obj(), opener_render_frame_id,
 264       base::android::ConvertUTF8ToJavaString(env, frame_name).obj(),
 265       base::android::ConvertUTF8ToJavaString(env, target_url.spec()).obj(),
 266       jnew_contents.obj());
 267 }
 268
 269 void WebContentsDelegateAndroid::CloseContents(WebContents* source) {
 270   JNIEnv* env = AttachCurrentThread();
 271   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 272   if (obj.is_null())
 273     return;
 274   Java_WebContentsDelegateAndroid_closeContents(env, obj.obj());
 275 }
 276
 277 void WebContentsDelegateAndroid::MoveContents(WebContents* source,
 278                                               const gfx::Rect& pos) {
 279   // Do nothing.
 280 }
 281
 282 bool WebContentsDelegateAndroid::AddMessageToConsole(
 283     WebContents* source,
 284     int32 level,
 285     const base::string16& message,
 286     int32 line_no,
 287     const base::string16& source_id) {
 288   JNIEnv* env = AttachCurrentThread();
 289   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 290   if (obj.is_null())
 291     return WebContentsDelegate::AddMessageToConsole(source, level, message,
 292                                                     line_no, source_id);
 293   ScopedJavaLocalRef<jstring> jmessage(ConvertUTF16ToJavaString(env, message));
 294   ScopedJavaLocalRef<jstring> jsource_id(
 295       ConvertUTF16ToJavaString(env, source_id));
 296   int jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 297   switch (level) {
 298     case logging::LOG_VERBOSE:
 299       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 300       break;
 301     case logging::LOG_INFO:
 302       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG;
 303       break;
 304     case logging::LOG_WARNING:
 305       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING;
 306       break;
 307     case logging::LOG_ERROR:
 308       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR;
 309       break;
 310     default:
 311       NOTREACHED();
 312   }
 313   return Java_WebContentsDelegateAndroid_addMessageToConsole(
 314       env,
 315       GetJavaDelegate(env).obj(),
 316       jlevel,
 317       jmessage.obj(),
 318       line_no,
 319       jsource_id.obj());
 320 }
 321
 322 // This is either called from TabContents::DidNavigateMainFramePostCommit() with
 323 // an empty GURL or responding to RenderViewHost::OnMsgUpateTargetURL(). In
 324 // Chrome, the latter is not always called, especially not during history
 325 // navigation. So we only handle the first case and pass the source TabContents'
 326 // url to Java to update the UI.
 327 void WebContentsDelegateAndroid::UpdateTargetURL(WebContents* source,
 328                                                  const GURL& url) {
 329   if (!url.is_empty())
 330     return;
 331   JNIEnv* env = AttachCurrentThread();
 332   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 333   if (obj.is_null())
 334     return;
 335   ScopedJavaLocalRef<jstring> java_url =
 336       ConvertUTF8ToJavaString(env, source->GetURL().spec());
 337   Java_WebContentsDelegateAndroid_onUpdateUrl(env,
 338                                               obj.obj(),
 339                                               java_url.obj());
 340 }
 341
 342 void WebContentsDelegateAndroid::HandleKeyboardEvent(
 343     WebContents* source,
 344     const content::NativeWebKeyboardEvent& event) {
 345   jobject key_event = event.os_event;
 346   if (key_event) {
 347     JNIEnv* env = AttachCurrentThread();
 348     ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 349     if (obj.is_null())
 350       return;
 351     Java_WebContentsDelegateAndroid_handleKeyboardEvent(
 352         env, obj.obj(), key_event);
 353   }
 354 }
 355
 356 bool WebContentsDelegateAndroid::TakeFocus(WebContents* source, bool reverse) {
 357   JNIEnv* env = AttachCurrentThread();
 358   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 359   if (obj.is_null())
 360     return WebContentsDelegate::TakeFocus(source, reverse);
 361   return Java_WebContentsDelegateAndroid_takeFocus(
 362       env, obj.obj(), reverse);
 363 }
 364
 365 void WebContentsDelegateAndroid::ShowRepostFormWarningDialog(
 366     WebContents* source) {
 367   JNIEnv* env = AttachCurrentThread();
 368   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 369   if (obj.is_null())
 370     return;
 371   Java_WebContentsDelegateAndroid_showRepostFormWarningDialog(env, obj.obj());
 372 }
 373
 374 void WebContentsDelegateAndroid::EnterFullscreenModeForTab(
 375     WebContents* web_contents,
 376     const GURL& origin) {
 377   JNIEnv* env = AttachCurrentThread();
 378   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 379   if (obj.is_null())
 380     return;
 381   Java_WebContentsDelegateAndroid_toggleFullscreenModeForTab(env, obj.obj(),
 382                                                              true);
 383 }
 384
 385 void WebContentsDelegateAndroid::ExitFullscreenModeForTab(
 386     WebContents* web_contents) {
 387   JNIEnv* env = AttachCurrentThread();
 388   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 389   if (obj.is_null())
 390     return;
 391   Java_WebContentsDelegateAndroid_toggleFullscreenModeForTab(env, obj.obj(),
 392                                                              false);
 393 }
 394
 395 bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
 396     const WebContents* web_contents) const {
 397   JNIEnv* env = AttachCurrentThread();
 398   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 399   if (obj.is_null())
 400     return false;
 401   return Java_WebContentsDelegateAndroid_isFullscreenForTabOrPending(
 402       env, obj.obj());
 403 }
 404
 405 void WebContentsDelegateAndroid::ShowValidationMessage(
 406     WebContents* web_contents,
 407     const gfx::Rect& anchor_in_root_view,
 408     const base::string16& main_text,
 409     const base::string16& sub_text) {
 410   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 411   if (rwhv) {
 412     validation_message_bubble_.reset(
 413         new ValidationMessageBubbleAndroid(rwhv->GetRenderWidgetHost(),
 414                                            anchor_in_root_view,
 415                                            main_text,
 416                                            sub_text));
 417   }
 418 }
 419
 420 void WebContentsDelegateAndroid::HideValidationMessage(
 421     WebContents* web_contents) {
 422   validation_message_bubble_.reset();
 423 }
 424
 425 void WebContentsDelegateAndroid::MoveValidationMessage(
 426     WebContents* web_contents,
 427     const gfx::Rect& anchor_in_root_view) {
 428   if (!validation_message_bubble_)
 429     return;
 430   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 431   if (rwhv) {
 432     validation_message_bubble_->SetPositionRelativeToAnchor(
 433         rwhv->GetRenderWidgetHost(), anchor_in_root_view);
 434   }
 435 }
 436 // ----------------------------------------------------------------------------
 437 // Native JNI methods
 438 // ----------------------------------------------------------------------------
 439
 440 // Register native methods
 441
 442 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
 443   return RegisterNativesImpl(env);
 444 }
 445
 446 }  // namespace web_contents_delegate_android