src/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::CloseContents(WebContents* source) {
 220   JNIEnv* env = AttachCurrentThread();
 221   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 222   if (obj.is_null())
 223     return;
 224   Java_WebContentsDelegateAndroid_closeContents(env, obj.obj());
 225 }
 226
 227 void WebContentsDelegateAndroid::MoveContents(WebContents* source,
 228                                               const gfx::Rect& pos) {
 229   // Do nothing.
 230 }
 231
 232 bool WebContentsDelegateAndroid::AddMessageToConsole(
 233     WebContents* source,
 234     int32 level,
 235     const base::string16& message,
 236     int32 line_no,
 237     const base::string16& source_id) {
 238   JNIEnv* env = AttachCurrentThread();
 239   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 240   if (obj.is_null())
 241     return WebContentsDelegate::AddMessageToConsole(source, level, message,
 242                                                     line_no, source_id);
 243   ScopedJavaLocalRef<jstring> jmessage(ConvertUTF16ToJavaString(env, message));
 244   ScopedJavaLocalRef<jstring> jsource_id(
 245       ConvertUTF16ToJavaString(env, source_id));
 246   int jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 247   switch (level) {
 248     case logging::LOG_VERBOSE:
 249       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_DEBUG;
 250       break;
 251     case logging::LOG_INFO:
 252       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_LOG;
 253       break;
 254     case logging::LOG_WARNING:
 255       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_WARNING;
 256       break;
 257     case logging::LOG_ERROR:
 258       jlevel = WEB_CONTENTS_DELEGATE_LOG_LEVEL_ERROR;
 259       break;
 260     default:
 261       NOTREACHED();
 262   }
 263   return Java_WebContentsDelegateAndroid_addMessageToConsole(
 264       env,
 265       GetJavaDelegate(env).obj(),
 266       jlevel,
 267       jmessage.obj(),
 268       line_no,
 269       jsource_id.obj());
 270 }
 271
 272 // This is either called from TabContents::DidNavigateMainFramePostCommit() with
 273 // an empty GURL or responding to RenderViewHost::OnMsgUpateTargetURL(). In
 274 // Chrome, the latter is not always called, especially not during history
 275 // navigation. So we only handle the first case and pass the source TabContents'
 276 // url to Java to update the UI.
 277 void WebContentsDelegateAndroid::UpdateTargetURL(WebContents* source,
 278                                                  const GURL& url) {
 279   if (!url.is_empty())
 280     return;
 281   JNIEnv* env = AttachCurrentThread();
 282   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 283   if (obj.is_null())
 284     return;
 285   ScopedJavaLocalRef<jstring> java_url =
 286       ConvertUTF8ToJavaString(env, source->GetURL().spec());
 287   Java_WebContentsDelegateAndroid_onUpdateUrl(env,
 288                                               obj.obj(),
 289                                               java_url.obj());
 290 }
 291
 292 void WebContentsDelegateAndroid::HandleKeyboardEvent(
 293     WebContents* source,
 294     const content::NativeWebKeyboardEvent& event) {
 295   jobject key_event = event.os_event;
 296   if (key_event) {
 297     JNIEnv* env = AttachCurrentThread();
 298     ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 299     if (obj.is_null())
 300       return;
 301     Java_WebContentsDelegateAndroid_handleKeyboardEvent(
 302         env, obj.obj(), key_event);
 303   }
 304 }
 305
 306 bool WebContentsDelegateAndroid::TakeFocus(WebContents* source, bool reverse) {
 307   JNIEnv* env = AttachCurrentThread();
 308   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 309   if (obj.is_null())
 310     return WebContentsDelegate::TakeFocus(source, reverse);
 311   return Java_WebContentsDelegateAndroid_takeFocus(
 312       env, obj.obj(), reverse);
 313 }
 314
 315 void WebContentsDelegateAndroid::ShowRepostFormWarningDialog(
 316     WebContents* source) {
 317   JNIEnv* env = AttachCurrentThread();
 318   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 319   if (obj.is_null())
 320     return;
 321   ScopedJavaLocalRef<jobject> content_view_core =
 322       content::ContentViewCore::FromWebContents(source)->GetJavaObject();
 323   if (content_view_core.is_null())
 324     return;
 325   Java_WebContentsDelegateAndroid_showRepostFormWarningDialog(env, obj.obj(),
 326       content_view_core.obj());
 327 }
 328
 329 void WebContentsDelegateAndroid::ToggleFullscreenModeForTab(
 330     WebContents* web_contents,
 331     bool enter_fullscreen) {
 332   JNIEnv* env = AttachCurrentThread();
 333   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 334   if (obj.is_null())
 335     return;
 336   Java_WebContentsDelegateAndroid_toggleFullscreenModeForTab(
 337       env, obj.obj(), enter_fullscreen);
 338 }
 339
 340 bool WebContentsDelegateAndroid::IsFullscreenForTabOrPending(
 341     const WebContents* web_contents) const {
 342   JNIEnv* env = AttachCurrentThread();
 343   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
 344   if (obj.is_null())
 345     return false;
 346   return Java_WebContentsDelegateAndroid_isFullscreenForTabOrPending(
 347       env, obj.obj());
 348 }
 349
 350 void WebContentsDelegateAndroid::ShowValidationMessage(
 351     WebContents* web_contents,
 352     const gfx::Rect& anchor_in_root_view,
 353     const base::string16& main_text,
 354     const base::string16& sub_text) {
 355   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 356   if (rwhv) {
 357     validation_message_bubble_.reset(
 358         new ValidationMessageBubbleAndroid(rwhv->GetRenderWidgetHost(),
 359                                            anchor_in_root_view,
 360                                            main_text,
 361                                            sub_text));
 362   }
 363 }
 364
 365 void WebContentsDelegateAndroid::HideValidationMessage(
 366     WebContents* web_contents) {
 367   validation_message_bubble_.reset();
 368 }
 369
 370 void WebContentsDelegateAndroid::MoveValidationMessage(
 371     WebContents* web_contents,
 372     const gfx::Rect& anchor_in_root_view) {
 373   if (!validation_message_bubble_)
 374     return;
 375   RenderWidgetHostView* rwhv = web_contents->GetRenderWidgetHostView();
 376   if (rwhv) {
 377     validation_message_bubble_->SetPositionRelativeToAnchor(
 378         rwhv->GetRenderWidgetHost(), anchor_in_root_view);
 379   }
 380 }
 381 // ----------------------------------------------------------------------------
 382 // Native JNI methods
 383 // ----------------------------------------------------------------------------
 384
 385 // Register native methods
 386
 387 bool RegisterWebContentsDelegateAndroid(JNIEnv* env) {
 388   return RegisterNativesImpl(env);
 389 }
 390
 391 }  // namespace web_contents_delegate_android