content/browser/android/web_contents_observer_proxy.cc

   1 // Copyright 2015 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/android/web_contents_observer_proxy.h"
   6
   7 #include <string>
   8
   9 #include "base/android/jni_android.h"
  10 #include "base/android/jni_string.h"
  11 #include "base/android/scoped_java_ref.h"
  12 #include "content/browser/renderer_host/render_widget_host_impl.h"
  13 #include "content/browser/web_contents/web_contents_impl.h"
  14 #include "content/public/browser/navigation_details.h"
  15 #include "content/public/browser/navigation_entry.h"
  16 #include "jni/WebContentsObserverProxy_jni.h"
  17
  18 using base::android::AttachCurrentThread;
  19 using base::android::ScopedJavaLocalRef;
  20 using base::android::ConvertUTF8ToJavaString;
  21 using base::android::ConvertUTF16ToJavaString;
  22
  23 namespace content {
  24
  25 // TODO(dcheng): File a bug. This class incorrectly passes just a frame ID,
  26 // which is not sufficient to identify a frame (since frame IDs are scoped per
  27 // render process, and so may collide).
  28 WebContentsObserverProxy::WebContentsObserverProxy(JNIEnv* env,
  29                                                    jobject obj,
  30                                                    WebContents* web_contents)
  31     : WebContentsObserver(web_contents) {
  32   DCHECK(obj);
  33   java_observer_.Reset(env, obj);
  34 }
  35
  36 WebContentsObserverProxy::~WebContentsObserverProxy() {
  37 }
  38
  39 jlong Init(JNIEnv* env, jobject obj, jobject java_web_contents) {
  40   WebContents* web_contents =
  41       WebContents::FromJavaWebContents(java_web_contents);
  42   CHECK(web_contents);
  43
  44   WebContentsObserverProxy* native_observer =
  45       new WebContentsObserverProxy(env, obj, web_contents);
  46   return reinterpret_cast<intptr_t>(native_observer);
  47 }
  48
  49 void WebContentsObserverProxy::Destroy(JNIEnv* env, jobject obj) {
  50   delete this;
  51 }
  52
  53 void WebContentsObserverProxy::WebContentsDestroyed() {
  54   JNIEnv* env = AttachCurrentThread();
  55   ScopedJavaLocalRef<jobject> obj(java_observer_);
  56   // The java side will destroy |this|
  57   Java_WebContentsObserverProxy_destroy(env, obj.obj());
  58 }
  59
  60 void WebContentsObserverProxy::RenderViewReady() {
  61   JNIEnv* env = AttachCurrentThread();
  62   ScopedJavaLocalRef<jobject> obj(java_observer_);
  63   Java_WebContentsObserverProxy_renderViewReady(env, obj.obj());
  64 }
  65
  66 void WebContentsObserverProxy::RenderProcessGone(
  67     base::TerminationStatus termination_status) {
  68   JNIEnv* env = AttachCurrentThread();
  69   ScopedJavaLocalRef<jobject> obj(java_observer_);
  70   jboolean was_oom_protected =
  71       termination_status == base::TERMINATION_STATUS_OOM_PROTECTED;
  72   Java_WebContentsObserverProxy_renderProcessGone(env, obj.obj(),
  73                                                   was_oom_protected);
  74 }
  75
  76 void WebContentsObserverProxy::DidStartLoading() {
  77   JNIEnv* env = AttachCurrentThread();
  78   ScopedJavaLocalRef<jobject> obj(java_observer_);
  79   ScopedJavaLocalRef<jstring> jstring_url(
  80       ConvertUTF8ToJavaString(env, web_contents()->GetVisibleURL().spec()));
  81   Java_WebContentsObserverProxy_didStartLoading(env, obj.obj(),
  82                                                 jstring_url.obj());
  83 }
  84
  85 void WebContentsObserverProxy::DidStopLoading() {
  86   JNIEnv* env = AttachCurrentThread();
  87   ScopedJavaLocalRef<jobject> obj(java_observer_);
  88   ScopedJavaLocalRef<jstring> jstring_url(ConvertUTF8ToJavaString(
  89       env, web_contents()->GetLastCommittedURL().spec()));
  90   Java_WebContentsObserverProxy_didStopLoading(env, obj.obj(),
  91                                                jstring_url.obj());
  92 }
  93
  94 void WebContentsObserverProxy::DidFailProvisionalLoad(
  95     RenderFrameHost* render_frame_host,
  96     const GURL& validated_url,
  97     int error_code,
  98     const base::string16& error_description) {
  99   DidFailLoadInternal(true, !render_frame_host->GetParent(), error_code,
 100                       error_description, validated_url);
 101 }
 102
 103 void WebContentsObserverProxy::DidFailLoad(
 104     RenderFrameHost* render_frame_host,
 105     const GURL& validated_url,
 106     int error_code,
 107     const base::string16& error_description) {
 108   DidFailLoadInternal(false, !render_frame_host->GetParent(), error_code,
 109                       error_description, validated_url);
 110 }
 111
 112 void WebContentsObserverProxy::DidNavigateMainFrame(
 113     const LoadCommittedDetails& details,
 114     const FrameNavigateParams& params) {
 115   JNIEnv* env = AttachCurrentThread();
 116   ScopedJavaLocalRef<jobject> obj(java_observer_);
 117   ScopedJavaLocalRef<jstring> jstring_url(
 118       ConvertUTF8ToJavaString(env, params.url.spec()));
 119   ScopedJavaLocalRef<jstring> jstring_base_url(
 120       ConvertUTF8ToJavaString(env, params.base_url.spec()));
 121
 122   // See http://crbug.com/251330 for why it's determined this way.
 123   url::Replacements<char> replacements;
 124   replacements.ClearRef();
 125   bool urls_same_ignoring_fragment =
 126       params.url.ReplaceComponents(replacements) ==
 127       details.previous_url.ReplaceComponents(replacements);
 128
 129   // is_fragment_navigation is indicative of the intent of this variable.
 130   // However, there isn't sufficient information here to determine whether this
 131   // is actually a fragment navigation, or a history API navigation to a URL
 132   // that would also be valid for a fragment navigation.
 133   bool is_fragment_navigation =
 134       urls_same_ignoring_fragment &&
 135       (details.type == NAVIGATION_TYPE_IN_PAGE || details.is_in_page);
 136   Java_WebContentsObserverProxy_didNavigateMainFrame(
 137       env, obj.obj(), jstring_url.obj(), jstring_base_url.obj(),
 138       details.is_navigation_to_different_page(), is_fragment_navigation,
 139       details.http_status_code);
 140 }
 141
 142 void WebContentsObserverProxy::DidNavigateAnyFrame(
 143     RenderFrameHost* render_frame_host,
 144     const LoadCommittedDetails& details,
 145     const FrameNavigateParams& params) {
 146   JNIEnv* env = AttachCurrentThread();
 147   ScopedJavaLocalRef<jobject> obj(java_observer_);
 148   ScopedJavaLocalRef<jstring> jstring_url(
 149       ConvertUTF8ToJavaString(env, params.url.spec()));
 150   ScopedJavaLocalRef<jstring> jstring_base_url(
 151       ConvertUTF8ToJavaString(env, params.base_url.spec()));
 152   jboolean jboolean_is_reload = ui::PageTransitionCoreTypeIs(
 153       params.transition, ui::PAGE_TRANSITION_RELOAD);
 154
 155   Java_WebContentsObserverProxy_didNavigateAnyFrame(
 156       env, obj.obj(), jstring_url.obj(), jstring_base_url.obj(),
 157       jboolean_is_reload);
 158 }
 159
 160 void WebContentsObserverProxy::DocumentAvailableInMainFrame() {
 161   JNIEnv* env = AttachCurrentThread();
 162   ScopedJavaLocalRef<jobject> obj(java_observer_);
 163   Java_WebContentsObserverProxy_documentAvailableInMainFrame(env, obj.obj());
 164 }
 165
 166 void WebContentsObserverProxy::DidStartProvisionalLoadForFrame(
 167     RenderFrameHost* render_frame_host,
 168     const GURL& validated_url,
 169     bool is_error_page,
 170     bool is_iframe_srcdoc) {
 171   JNIEnv* env = AttachCurrentThread();
 172   ScopedJavaLocalRef<jobject> obj(java_observer_);
 173   ScopedJavaLocalRef<jstring> jstring_url(
 174       ConvertUTF8ToJavaString(env, validated_url.spec()));
 175   // TODO(dcheng): Does Java really need the parent frame ID? It doesn't appear
 176   // to be used at all, and it just adds complexity here.
 177   Java_WebContentsObserverProxy_didStartProvisionalLoadForFrame(
 178       env, obj.obj(), render_frame_host->GetRoutingID(),
 179       render_frame_host->GetParent()
 180           ? render_frame_host->GetParent()->GetRoutingID()
 181           : -1,
 182       !render_frame_host->GetParent(), jstring_url.obj(), is_error_page,
 183       is_iframe_srcdoc);
 184 }
 185
 186 void WebContentsObserverProxy::DidCommitProvisionalLoadForFrame(
 187     RenderFrameHost* render_frame_host,
 188     const GURL& url,
 189     ui::PageTransition transition_type) {
 190   JNIEnv* env = AttachCurrentThread();
 191   ScopedJavaLocalRef<jobject> obj(java_observer_);
 192   ScopedJavaLocalRef<jstring> jstring_url(
 193       ConvertUTF8ToJavaString(env, url.spec()));
 194   Java_WebContentsObserverProxy_didCommitProvisionalLoadForFrame(
 195       env, obj.obj(), render_frame_host->GetRoutingID(),
 196       !render_frame_host->GetParent(), jstring_url.obj(), transition_type);
 197 }
 198
 199 void WebContentsObserverProxy::DidFinishLoad(RenderFrameHost* render_frame_host,
 200                                              const GURL& validated_url) {
 201   JNIEnv* env = AttachCurrentThread();
 202   ScopedJavaLocalRef<jobject> obj(java_observer_);
 203
 204   std::string url_string = validated_url.spec();
 205   NavigationEntry* entry =
 206       web_contents()->GetController().GetLastCommittedEntry();
 207   // Note that GetBaseURLForDataURL is only used by the Android WebView.
 208   if (entry && !entry->GetBaseURLForDataURL().is_empty())
 209     url_string = entry->GetBaseURLForDataURL().possibly_invalid_spec();
 210
 211   ScopedJavaLocalRef<jstring> jstring_url(
 212       ConvertUTF8ToJavaString(env, url_string));
 213   Java_WebContentsObserverProxy_didFinishLoad(
 214       env, obj.obj(), render_frame_host->GetRoutingID(), jstring_url.obj(),
 215       !render_frame_host->GetParent());
 216 }
 217
 218 void WebContentsObserverProxy::DocumentLoadedInFrame(
 219     RenderFrameHost* render_frame_host) {
 220   JNIEnv* env = AttachCurrentThread();
 221   ScopedJavaLocalRef<jobject> obj(java_observer_);
 222   Java_WebContentsObserverProxy_documentLoadedInFrame(
 223       env, obj.obj(), render_frame_host->GetRoutingID());
 224 }
 225
 226 void WebContentsObserverProxy::NavigationEntryCommitted(
 227     const LoadCommittedDetails& load_details) {
 228   JNIEnv* env = AttachCurrentThread();
 229   ScopedJavaLocalRef<jobject> obj(java_observer_);
 230   Java_WebContentsObserverProxy_navigationEntryCommitted(env, obj.obj());
 231 }
 232
 233 void WebContentsObserverProxy::DidAttachInterstitialPage() {
 234   JNIEnv* env = AttachCurrentThread();
 235   ScopedJavaLocalRef<jobject> obj(java_observer_);
 236   Java_WebContentsObserverProxy_didAttachInterstitialPage(env, obj.obj());
 237 }
 238
 239 void WebContentsObserverProxy::DidDetachInterstitialPage() {
 240   JNIEnv* env = AttachCurrentThread();
 241   ScopedJavaLocalRef<jobject> obj(java_observer_);
 242   Java_WebContentsObserverProxy_didDetachInterstitialPage(env, obj.obj());
 243 }
 244
 245 void WebContentsObserverProxy::DidChangeThemeColor(SkColor color) {
 246   JNIEnv* env = AttachCurrentThread();
 247   ScopedJavaLocalRef<jobject> obj(java_observer_);
 248   Java_WebContentsObserverProxy_didChangeThemeColor(env, obj.obj(), color);
 249 }
 250
 251 void WebContentsObserverProxy::DidFailLoadInternal(
 252     bool is_provisional_load,
 253     bool is_main_frame,
 254     int error_code,
 255     const base::string16& description,
 256     const GURL& url) {
 257   JNIEnv* env = AttachCurrentThread();
 258   ScopedJavaLocalRef<jobject> obj(java_observer_);
 259   ScopedJavaLocalRef<jstring> jstring_error_description(
 260       ConvertUTF16ToJavaString(env, description));
 261   ScopedJavaLocalRef<jstring> jstring_url(
 262       ConvertUTF8ToJavaString(env, url.spec()));
 263
 264   Java_WebContentsObserverProxy_didFailLoad(
 265       env, obj.obj(), is_provisional_load, is_main_frame, error_code,
 266       jstring_error_description.obj(), jstring_url.obj());
 267 }
 268
 269 void WebContentsObserverProxy::DidFirstVisuallyNonEmptyPaint() {
 270   JNIEnv* env = AttachCurrentThread();
 271   ScopedJavaLocalRef<jobject> obj(java_observer_);
 272   Java_WebContentsObserverProxy_didFirstVisuallyNonEmptyPaint(env, obj.obj());
 273 }
 274
 275 void WebContentsObserverProxy::DidStartNavigationToPendingEntry(
 276     const GURL& url,
 277     NavigationController::ReloadType reload_type) {
 278   JNIEnv* env = AttachCurrentThread();
 279   ScopedJavaLocalRef<jobject> obj(java_observer_);
 280   ScopedJavaLocalRef<jstring> jstring_url(
 281       ConvertUTF8ToJavaString(env, url.spec()));
 282
 283   Java_WebContentsObserverProxy_didStartNavigationToPendingEntry(
 284       env, obj.obj(), jstring_url.obj());
 285 }
 286
 287 bool RegisterWebContentsObserverProxy(JNIEnv* env) {
 288   return RegisterNativesImpl(env);
 289 }
 290 }  // namespace content