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/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     const 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(
 154     const WebContents* source) {
 155   JNIEnv* env = AttachCurrentThread();
 156   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 157   if (obj.is_null())
 158     return;
 159   Java_WebContentsDelegateAndroid_visibleSSLStateChanged(
 160       env,
 161       obj.obj());
 162 }
 163
 164 void WebContentsDelegateAndroid::ActivateContents(WebContents* contents) {
 165   JNIEnv* env = AttachCurrentThread();
 166   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 167   if (obj.is_null())
 168     return;
 169   Java_WebContentsDelegateAndroid_activateContents(env, obj.obj());
 170 }
 171
 172 void WebContentsDelegateAndroid::DeactivateContents(WebContents* contents) {
 173   // On desktop the current window is deactivated here, bringing the next window
 174   // to focus. Not implemented on Android.
 175 }
 176
 177 void WebContentsDelegateAndroid::LoadingStateChanged(WebContents* source,
 178     bool to_different_document) {
 179   JNIEnv* env = AttachCurrentThread();
 180   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 181   if (obj.is_null())
 182     return;
 183   bool has_stopped = source == NULL || !source->IsLoading();
 184
 185   if (has_stopped)
 186     Java_WebContentsDelegateAndroid_onLoadStopped(env, obj.obj());
 187   else
 188     Java_WebContentsDelegateAndroid_onLoadStarted(env, obj.obj());
 189 }
 190
 191 void WebContentsDelegateAndroid::LoadProgressChanged(WebContents* source,
 192                                                      double progress) {
 193   JNIEnv* env = AttachCurrentThread();
 194   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 195   if (obj.is_null())
 196     return;
 197   Java_WebContentsDelegateAndroid_notifyLoadProgressChanged(
 198       env,
 199       obj.obj(),
 200       progress);
 201 }
 202
 203 void WebContentsDelegateAndroid::RendererUnresponsive(WebContents* source) {
 204   JNIEnv* env = AttachCurrentThread();
 205   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 206   if (obj.is_null())
 207     return;
 208   Java_WebContentsDelegateAndroid_rendererUnresponsive(env, obj.obj());
 209 }
 210
 211 void WebContentsDelegateAndroid::RendererResponsive(WebContents* source) {
 212   JNIEnv* env = AttachCurrentThread();
 213   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 214   if (obj.is_null())
 215     return;
 216   Java_WebContentsDelegateAndroid_rendererResponsive(env, obj.obj());
 217 }
 218
 219 void WebContentsDelegateAndroid::DidNavigateToPendingEntry(
 220     WebContents* source) {
 221   JNIEnv* env = AttachCurrentThread();
 222   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 223   if (obj.is_null())
 224     return;
 225   Java_WebContentsDelegateAndroid_didNavigateToPendingEntry(env, obj.obj());
 226 }
 227
 228 bool WebContentsDelegateAndroid::ShouldCreateWebContents(
 229     WebContents* web_contents,
 230     int route_id,
 231     WindowContainerType window_container_type,
 232     const base::string16& frame_name,
 233     const GURL& target_url,
 234     const std::string& partition_id,
 235     content::SessionStorageNamespace* session_storage_namespace) {
 236   JNIEnv* env = AttachCurrentThread();
 237   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 238   if (obj.is_null())
 239     return true;
 240   ScopedJavaLocalRef<jstring> java_url =
 241       ConvertUTF8ToJavaString(env, target_url.spec());
 242   return Java_WebContentsDelegateAndroid_shouldCreateWebContents(env, obj.obj(),
 243       java_url.obj());
 244 }
 245
 246 bool WebContentsDelegateAndroid::OnGoToEntryOffset(int offset) {
 247   JNIEnv* env = AttachCurrentThread();
 248   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 249   if (obj.is_null())
 250     return true;
 251   return Java_WebContentsDelegateAndroid_onGoToEntryOffset(env, obj.obj(),
 252       offset);
 253 }
 254
 255 void WebContentsDelegateAndroid::WebContentsCreated(
 256     WebContents* source_contents, int opener_render_frame_id,
 257     const base::string16& frame_name, const GURL& target_url,
 258     WebContents* new_contents) {
 259   JNIEnv* env = AttachCurrentThread();
 260   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 261   if (obj.is_null())
 262     return;
 263   Java_WebContentsDelegateAndroid_webContentsCreated(env, obj.obj(),
 264       reinterpret_cast<intptr_t>(source_contents),
 265       opener_render_frame_id,
 266       base::android::ConvertUTF16ToJavaString(env, frame_name).Release(),
 267       base::android::ConvertUTF8ToJavaString(env, target_url.spec()).Release(),
 268       reinterpret_cast<intptr_t>(new_contents));
 269 }
 270
 271 void WebContentsDelegateAndroid::CloseContents(WebContents* source) {
 272   JNIEnv* env = AttachCurrentThread();
 273   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 274   if (obj.is_null())
 275     return;
 276   Java_WebContentsDelegateAndroid_closeContents(env, obj.obj());
 277 }
 278
 279 void WebContentsDelegateAndroid::MoveContents(WebContents* source,
 280                                               const gfx::Rect& pos) {
 281   // Do nothing.
 282 }
 283
 284 bool WebContentsDelegateAndroid::AddMessageToConsole(
 285     WebContents* source,
 286     int32 level,
 287     const base::string16& message,
 288     int32 line_no,
 289     const base::string16& source_id) {
 290   JNIEnv* env = AttachCurrentThread();
 291   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 292   if (obj.is_null())
 293     return WebContentsDelegate::AddMessageToConsole(source, level, message,
 294                                                     line_no, source_id);
 295   ScopedJavaLocalRef<jstring> jmessage(ConvertUTF16ToJavaString(env, message));
 296   ScopedJavaLocalRef<jstring> jsource_id(
 297       ConvertUTF16ToJavaString(env, source_id));
 298   int jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 299   switch (level) {
 300     case logging::LOG_VERBOSE:
 301       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 302       break;
 303     case logging::LOG_INFO:
 304       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG;
 305       break;
 306     case logging::LOG_WARNING:
 307       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING;
 308       break;
 309     case logging::LOG_ERROR:
 310       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR;
 311       break;
 312     default:
 313       NOTREACHED();
 314   }
 315   return Java_WebContentsDelegateAndroid_addMessageToConsole(
 316       env,
 317       GetJavaDelegate(env).obj(),
 318       jlevel,
 319       jmessage.obj(),
 320       line_no,
 321       jsource_id.obj());
 322 }
 323
 324 // This is either called from TabContents::DidNavigateMainFramePostCommit() with
 325 // an empty GURL or responding to RenderViewHost::OnMsgUpateTargetURL(). In
 326 // Chrome, the latter is not always called, especially not during history
 327 // navigation. So we only handle the first case and pass the source TabContents'
 328 // url to Java to update the UI.
 329 void WebContentsDelegateAndroid::UpdateTargetURL(WebContents* source,
 330                                                  const GURL& url) {
 331   if (!url.is_empty())
 332     return;
 333   JNIEnv* env = AttachCurrentThread();
 334   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 335   if (obj.is_null())
 336     return;
 337   ScopedJavaLocalRef<jstring> java_url =
 338       ConvertUTF8ToJavaString(env, source->GetURL().spec());
 339   Java_WebContentsDelegateAndroid_onUpdateUrl(env,
 340                                               obj.obj(),
 341                                               java_url.obj());
 342 }
 343
 344 void WebContentsDelegateAndroid::HandleKeyboardEvent(
 345     WebContents* source,
 346     const content::NativeWebKeyboardEvent& event) {
 347   jobject key_event = event.os_event;
 348   if (key_event) {
 349     JNIEnv* env = AttachCurrentThread();
 350     ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 351     if (obj.is_null())
 352       return;
 353     Java_WebContentsDelegateAndroid_handleKeyboardEvent(
 354         env, obj.obj(), key_event);
 355   }
 356 }
 357
 358 bool WebContentsDelegateAndroid::TakeFocus(WebContents* source, bool reverse) {
 359   JNIEnv* env = AttachCurrentThread();
 360   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 361   if (obj.is_null())
 362     return WebContentsDelegate::TakeFocus(source, reverse);
 363   return Java_WebContentsDelegateAndroid_takeFocus(
 364       env, obj.obj(), reverse);
 365 }
 366
 367 void WebContentsDelegateAndroid::ShowRepostFormWarningDialog(
 368     WebContents* source) {
 369   JNIEnv* env = AttachCurrentThread();
 370   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 371   if (obj.is_null())
 372     return;
 373   Java_WebContentsDelegateAndroid_showRepostFormWarningDialog(env, obj.obj());
 374 }
 375
 376 void WebContentsDelegateAndroid::ToggleFullscreenModeForTab(
 377     WebContents* web_contents,
 378     bool enter_fullscreen) {
 379   JNIEnv* env = AttachCurrentThread();
 380   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 381   if (obj.is_null())
 382     return;
 383   Java_WebContentsDelegateAndroid_toggleFullscreenModeForTab(
 384       env, obj.obj(), enter_fullscreen);
 385 }
 386
 387 bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
 388     const WebContents* web_contents) const {
 389   JNIEnv* env = AttachCurrentThread();
 390   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 391   if (obj.is_null())
 392     return false;
 393   return Java_WebContentsDelegateAndroid_isFullscreenForTabOrPending(
 394       env, obj.obj());
 395 }
 396
 397 void WebContentsDelegateAndroid::ShowValidationMessage(
 398     WebContents* web_contents,
 399     const gfx::Rect& anchor_in_root_view,
 400     const base::string16& main_text,
 401     const base::string16& sub_text) {
 402   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 403   if (rwhv) {
 404     validation_message_bubble_.reset(
 405         new ValidationMessageBubbleAndroid(rwhv->GetRenderWidgetHost(),
 406                                            anchor_in_root_view,
 407                                            main_text,
 408                                            sub_text));
 409   }
 410 }
 411
 412 void WebContentsDelegateAndroid::HideValidationMessage(
 413     WebContents* web_contents) {
 414   validation_message_bubble_.reset();
 415 }
 416
 417 void WebContentsDelegateAndroid::MoveValidationMessage(
 418     WebContents* web_contents,
 419     const gfx::Rect& anchor_in_root_view) {
 420   if (!validation_message_bubble_)
 421     return;
 422   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 423   if (rwhv) {
 424     validation_message_bubble_->SetPositionRelativeToAnchor(
 425         rwhv->GetRenderWidgetHost(), anchor_in_root_view);
 426   }
 427 }
 428 // ----------------------------------------------------------------------------
 429 // Native JNI methods
 430 // ----------------------------------------------------------------------------
 431
 432 // Register native methods
 433
 434 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
 435   return RegisterNativesImpl(env);
 436 }
 437
 438 }  // namespace web_contents_delegate_android