android_webview/native/aw_web_contents_delegate.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 "android_webview/native/aw_web_contents_delegate.h"
   6
   7 #include "android_webview/browser/aw_javascript_dialog_manager.h"
   8 #include "android_webview/browser/find_helper.h"
   9 #include "android_webview/native/aw_contents.h"
  10 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
  11 #include "android_webview/native/permission/media_access_permission_request.h"
  12 #include "android_webview/native/permission/permission_request_handler.h"
  13 #include "base/android/jni_array.h"
  14 #include "base/android/jni_string.h"
  15 #include "base/android/scoped_java_ref.h"
  16 #include "base/lazy_instance.h"
  17 #include "base/message_loop/message_loop.h"
  18 #include "base/strings/string_util.h"
  19 #include "content/public/browser/render_process_host.h"
  20 #include "content/public/browser/render_view_host.h"
  21 #include "content/public/browser/web_contents.h"
  22 #include "content/public/common/file_chooser_file_info.h"
  23 #include "content/public/common/file_chooser_params.h"
  24 #include "content/public/common/media_stream_request.h"
  25 #include "jni/AwWebContentsDelegate_jni.h"
  26 #include "net/base/escape.h"
  27
  28 using base::android::AttachCurrentThread;
  29 using base::android::ConvertUTF16ToJavaString;
  30 using base::android::ConvertUTF8ToJavaString;
  31 using base::android::ScopedJavaLocalRef;
  32 using content::FileChooserParams;
  33 using content::WebContents;
  34
  35 namespace android_webview {
  36
  37 namespace {
  38
  39 // WARNING: these constants are exposed in the public interface Java side, so
  40 // must remain in sync with what clients are expecting.
  41 const int kFileChooserModeOpenMultiple = 1 << 0;
  42 const int kFileChooserModeOpenFolder = 1 << 1;
  43
  44 base::LazyInstance<AwJavaScriptDialogManager>::Leaky
  45     g_javascript_dialog_manager = LAZY_INSTANCE_INITIALIZER;
  46 }
  47
  48 AwWebContentsDelegate::AwWebContentsDelegate(
  49     JNIEnv* env,
  50     jobject obj)
  51     : WebContentsDelegateAndroid(env, obj),
  52       is_fullscreen_(false) {
  53 }
  54
  55 AwWebContentsDelegate::~AwWebContentsDelegate() {
  56 }
  57
  58 content::JavaScriptDialogManager*
  59 AwWebContentsDelegate::GetJavaScriptDialogManager(WebContents* source) {
  60   return g_javascript_dialog_manager.Pointer();
  61 }
  62
  63 void AwWebContentsDelegate::FindReply(WebContents* web_contents,
  64                                       int request_id,
  65                                       int number_of_matches,
  66                                       const gfx::Rect& selection_rect,
  67                                       int active_match_ordinal,
  68                                       bool final_update) {
  69   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
  70   if (!aw_contents)
  71     return;
  72
  73   aw_contents->GetFindHelper()->HandleFindReply(request_id,
  74                                                 number_of_matches,
  75                                                 active_match_ordinal,
  76                                                 final_update);
  77 }
  78
  79 void AwWebContentsDelegate::CanDownload(
  80     const GURL& url,
  81     const std::string& request_method,
  82     const base::Callback<void(bool)>& callback) {
  83   // Android webview intercepts download in its resource dispatcher host
  84   // delegate, so should not reach here.
  85   NOTREACHED();
  86   callback.Run(false);
  87 }
  88
  89 void AwWebContentsDelegate::RunFileChooser(WebContents* web_contents,
  90                                            const FileChooserParams& params) {
  91   JNIEnv* env = AttachCurrentThread();
  92   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
  93   if (!java_delegate.obj())
  94     return;
  95
  96   int mode_flags = 0;
  97   if (params.mode == FileChooserParams::OpenMultiple) {
  98     mode_flags |= kFileChooserModeOpenMultiple;
  99   } else if (params.mode == FileChooserParams::UploadFolder) {
 100     // Folder implies multiple in Chrome.
 101     mode_flags |= kFileChooserModeOpenMultiple | kFileChooserModeOpenFolder;
 102   } else if (params.mode == FileChooserParams::Save) {
 103     // Save not supported, so cancel it.
 104     web_contents->GetRenderViewHost()->FilesSelectedInChooser(
 105          std::vector<content::FileChooserFileInfo>(),
 106          params.mode);
 107     return;
 108   } else {
 109     DCHECK_EQ(FileChooserParams::Open, params.mode);
 110   }
 111   Java_AwWebContentsDelegate_runFileChooser(env,
 112       java_delegate.obj(),
 113       web_contents->GetRenderProcessHost()->GetID(),
 114       web_contents->GetRenderViewHost()->GetRoutingID(),
 115       mode_flags,
 116       ConvertUTF16ToJavaString(env,
 117         JoinString(params.accept_types, ',')).obj(),
 118       params.title.empty() ? NULL :
 119           ConvertUTF16ToJavaString(env, params.title).obj(),
 120       params.default_file_name.empty() ? NULL :
 121           ConvertUTF8ToJavaString(env, params.default_file_name.value()).obj(),
 122       params.capture);
 123 }
 124
 125 void AwWebContentsDelegate::AddNewContents(WebContents* source,
 126                                            WebContents* new_contents,
 127                                            WindowOpenDisposition disposition,
 128                                            const gfx::Rect& initial_rect,
 129                                            bool user_gesture,
 130                                            bool* was_blocked) {
 131   JNIEnv* env = AttachCurrentThread();
 132
 133   bool is_dialog = disposition == NEW_POPUP;
 134   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 135   bool create_popup = false;
 136
 137   if (java_delegate.obj()) {
 138     create_popup = Java_AwWebContentsDelegate_addNewContents(env,
 139         java_delegate.obj(), is_dialog, user_gesture);
 140   }
 141
 142   if (create_popup) {
 143     // The embedder would like to display the popup and we will receive
 144     // a callback from them later with an AwContents to use to display
 145     // it. The source AwContents takes ownership of the new WebContents
 146     // until then, and when the callback is made we will swap the WebContents
 147     // out into the new AwContents.
 148     AwContents::FromWebContents(source)->SetPendingWebContentsForPopup(
 149         make_scoped_ptr(new_contents));
 150     // Hide the WebContents for the pop up now, we will show it again
 151     // when the user calls us back with an AwContents to use to show it.
 152     new_contents->WasHidden();
 153   } else {
 154     // The embedder has forgone their chance to display this popup
 155     // window, so we're done with the WebContents now. We use
 156     // DeleteSoon as WebContentsImpl may call methods on |new_contents|
 157     // after this method returns.
 158     base::MessageLoop::current()->DeleteSoon(FROM_HERE, new_contents);
 159   }
 160
 161   if (was_blocked) {
 162     *was_blocked = !create_popup;
 163   }
 164 }
 165
 166 void AwWebContentsDelegate::NavigationStateChanged(
 167     content::WebContents* source,
 168     content::InvalidateTypes changed_flags) {
 169   JNIEnv* env = AttachCurrentThread();
 170
 171   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 172   if (java_delegate.obj()) {
 173     Java_AwWebContentsDelegate_navigationStateChanged(env, java_delegate.obj(),
 174                                                       changed_flags);
 175   }
 176 }
 177
 178 // Notifies the delegate about the creation of a new WebContents. This
 179 // typically happens when popups are created.
 180 void AwWebContentsDelegate::WebContentsCreated(
 181     WebContents* source_contents,
 182     int opener_render_frame_id,
 183     const std::string& frame_name,
 184     const GURL& target_url,
 185     content::WebContents* new_contents) {
 186   AwContentsIoThreadClientImpl::RegisterPendingContents(new_contents);
 187 }
 188
 189 void AwWebContentsDelegate::CloseContents(WebContents* source) {
 190   JNIEnv* env = AttachCurrentThread();
 191
 192   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 193   if (java_delegate.obj()) {
 194     Java_AwWebContentsDelegate_closeContents(env, java_delegate.obj());
 195   }
 196 }
 197
 198 void AwWebContentsDelegate::ActivateContents(WebContents* contents) {
 199   JNIEnv* env = AttachCurrentThread();
 200
 201   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 202   if (java_delegate.obj()) {
 203     Java_AwWebContentsDelegate_activateContents(env, java_delegate.obj());
 204   }
 205 }
 206
 207 void AwWebContentsDelegate::LoadingStateChanged(WebContents* source,
 208                                                 bool to_different_document) {
 209   // Page title may have changed, need to inform the embedder.
 210   // |source| may be null if loading has started.
 211   JNIEnv* env = AttachCurrentThread();
 212
 213   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 214   if (java_delegate.obj()) {
 215     Java_AwWebContentsDelegate_loadingStateChanged(env, java_delegate.obj());
 216   }
 217 }
 218
 219 void AwWebContentsDelegate::RequestMediaAccessPermission(
 220     WebContents* web_contents,
 221     const content::MediaStreamRequest& request,
 222     const content::MediaResponseCallback& callback) {
 223   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
 224   if (!aw_contents) {
 225     callback.Run(content::MediaStreamDevices(),
 226                  content::MEDIA_DEVICE_FAILED_DUE_TO_SHUTDOWN,
 227                  scoped_ptr<content::MediaStreamUI>().Pass());
 228     return;
 229   }
 230   aw_contents->GetPermissionRequestHandler()->SendRequest(
 231       scoped_ptr<AwPermissionRequestDelegate>(
 232           new MediaAccessPermissionRequest(request, callback)));
 233 }
 234
 235 void AwWebContentsDelegate::EnterFullscreenModeForTab(
 236     content::WebContents* web_contents, const GURL& origin) {
 237   WebContentsDelegateAndroid::EnterFullscreenModeForTab(web_contents, origin);
 238   is_fullscreen_ = true;
 239   web_contents->GetRenderViewHost()->WasResized();
 240 }
 241
 242 void AwWebContentsDelegate::ExitFullscreenModeForTab(
 243     content::WebContents* web_contents) {
 244   WebContentsDelegateAndroid::ExitFullscreenModeForTab(web_contents);
 245   is_fullscreen_ = false;
 246   web_contents->GetRenderViewHost()->WasResized();
 247 }
 248
 249 bool AwWebContentsDelegate::IsFullscreenForTabOrPending(
 250     const content::WebContents* web_contents) const {
 251   return is_fullscreen_;
 252 }
 253
 254
 255 static void FilesSelectedInChooser(
 256     JNIEnv* env, jclass clazz,
 257     jint process_id, jint render_id, jint mode_flags,
 258     jobjectArray file_paths, jobjectArray display_names) {
 259   content::RenderViewHost* rvh = content::RenderViewHost::FromID(process_id,
 260                                                                  render_id);
 261   if (!rvh)
 262     return;
 263
 264   std::vector<std::string> file_path_str;
 265   std::vector<std::string> display_name_str;
 266   // Note file_paths maybe NULL, but this will just yield a zero-length vector.
 267   base::android::AppendJavaStringArrayToStringVector(env, file_paths,
 268                                                      &file_path_str);
 269   base::android::AppendJavaStringArrayToStringVector(env, display_names,
 270                                                      &display_name_str);
 271   std::vector<content::FileChooserFileInfo> files;
 272   files.reserve(file_path_str.size());
 273   for (size_t i = 0; i < file_path_str.size(); ++i) {
 274     GURL url(file_path_str[i]);
 275     if (!url.is_valid())
 276       continue;
 277     base::FilePath path(url.SchemeIsFile() ?
 278       net::UnescapeURLComponent(url.path(),
 279         net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS) :
 280         file_path_str[i]);
 281     content::FileChooserFileInfo file_info;
 282     file_info.file_path = path;
 283     if (!display_name_str[i].empty())
 284       file_info.display_name = display_name_str[i];
 285     files.push_back(file_info);
 286   }
 287   FileChooserParams::Mode mode;
 288   if (mode_flags & kFileChooserModeOpenFolder) {
 289     mode = FileChooserParams::UploadFolder;
 290   } else if (mode_flags & kFileChooserModeOpenMultiple) {
 291     mode = FileChooserParams::OpenMultiple;
 292   } else {
 293     mode = FileChooserParams::Open;
 294   }
 295   DVLOG(0) << "File Chooser result: mode = " << mode
 296            << ", file paths = " << JoinString(file_path_str, ":");
 297   rvh->FilesSelectedInChooser(files, mode);
 298 }
 299
 300 bool RegisterAwWebContentsDelegate(JNIEnv* env) {
 301   return RegisterNativesImpl(env);
 302 }
 303
 304 }  // namespace android_webview