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
  27 using base::android::AttachCurrentThread;
  28 using base::android::ConvertUTF16ToJavaString;
  29 using base::android::ConvertUTF8ToJavaString;
  30 using base::android::ScopedJavaLocalRef;
  31 using content::FileChooserParams;
  32 using content::WebContents;
  33
  34 namespace android_webview {
  35
  36 namespace {
  37
  38 // WARNING: these constants are exposed in the public interface Java side, so
  39 // must remain in sync with what clients are expecting.
  40 const int kFileChooserModeOpenMultiple = 1 << 0;
  41 const int kFileChooserModeOpenFolder = 1 << 1;
  42
  43 base::LazyInstance<AwJavaScriptDialogManager>::Leaky
  44     g_javascript_dialog_manager = LAZY_INSTANCE_INITIALIZER;
  45 }
  46
  47 AwWebContentsDelegate::AwWebContentsDelegate(
  48     JNIEnv* env,
  49     jobject obj)
  50     : WebContentsDelegateAndroid(env, obj),
  51       is_fullscreen_(false) {
  52 }
  53
  54 AwWebContentsDelegate::~AwWebContentsDelegate() {
  55 }
  56
  57 content::JavaScriptDialogManager*
  58 AwWebContentsDelegate::GetJavaScriptDialogManager(WebContents* source) {
  59   return g_javascript_dialog_manager.Pointer();
  60 }
  61
  62 void AwWebContentsDelegate::FindReply(WebContents* web_contents,
  63                                       int request_id,
  64                                       int number_of_matches,
  65                                       const gfx::Rect& selection_rect,
  66                                       int active_match_ordinal,
  67                                       bool final_update) {
  68   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
  69   if (!aw_contents)
  70     return;
  71
  72   aw_contents->GetFindHelper()->HandleFindReply(request_id,
  73                                                 number_of_matches,
  74                                                 active_match_ordinal,
  75                                                 final_update);
  76 }
  77
  78 void AwWebContentsDelegate::CanDownload(
  79     content::RenderViewHost* source,
  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_pos,
 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 // Notifies the delegate about the creation of a new WebContents. This
 167 // typically happens when popups are created.
 168 void AwWebContentsDelegate::WebContentsCreated(
 169     WebContents* source_contents,
 170     int opener_render_frame_id,
 171     const base::string16& frame_name,
 172     const GURL& target_url,
 173     content::WebContents* new_contents) {
 174   AwContentsIoThreadClientImpl::RegisterPendingContents(new_contents);
 175 }
 176
 177 void AwWebContentsDelegate::CloseContents(WebContents* source) {
 178   JNIEnv* env = AttachCurrentThread();
 179
 180   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 181   if (java_delegate.obj()) {
 182     Java_AwWebContentsDelegate_closeContents(env, java_delegate.obj());
 183   }
 184 }
 185
 186 void AwWebContentsDelegate::ActivateContents(WebContents* contents) {
 187   JNIEnv* env = AttachCurrentThread();
 188
 189   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 190   if (java_delegate.obj()) {
 191     Java_AwWebContentsDelegate_activateContents(env, java_delegate.obj());
 192   }
 193 }
 194
 195 void AwWebContentsDelegate::RequestMediaAccessPermission(
 196     WebContents* web_contents,
 197     const content::MediaStreamRequest& request,
 198     const content::MediaResponseCallback& callback) {
 199   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
 200   if (!aw_contents) {
 201     callback.Run(content::MediaStreamDevices(),
 202                  content::MEDIA_DEVICE_FAILED_DUE_TO_SHUTDOWN,
 203                  scoped_ptr<content::MediaStreamUI>().Pass());
 204     return;
 205   }
 206   aw_contents->GetPermissionRequestHandler()->SendRequest(
 207       scoped_ptr<AwPermissionRequestDelegate>(
 208           new MediaAccessPermissionRequest(request, callback)));
 209 }
 210
 211 void AwWebContentsDelegate::ToggleFullscreenModeForTab(
 212     content::WebContents* web_contents, bool enter_fullscreen) {
 213   JNIEnv* env = AttachCurrentThread();
 214
 215   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 216   if (java_delegate.obj()) {
 217     Java_AwWebContentsDelegate_toggleFullscreenModeForTab(
 218         env, java_delegate.obj(), enter_fullscreen);
 219   }
 220   is_fullscreen_ = enter_fullscreen;
 221   web_contents->GetRenderViewHost()->WasResized();
 222 }
 223
 224 bool AwWebContentsDelegate::IsFullscreenForTabOrPending(
 225     const content::WebContents* web_contents) const {
 226   return is_fullscreen_;
 227 }
 228
 229
 230 static void FilesSelectedInChooser(
 231     JNIEnv* env, jclass clazz,
 232     jint process_id, jint render_id, jint mode_flags,
 233     jobjectArray file_paths, jobjectArray display_names) {
 234   content::RenderViewHost* rvh = content::RenderViewHost::FromID(process_id,
 235                                                                  render_id);
 236   if (!rvh)
 237     return;
 238
 239   std::vector<std::string> file_path_str;
 240   std::vector<std::string> display_name_str;
 241   // Note file_paths maybe NULL, but this will just yield a zero-length vector.
 242   base::android::AppendJavaStringArrayToStringVector(env, file_paths,
 243                                                      &file_path_str);
 244   base::android::AppendJavaStringArrayToStringVector(env, display_names,
 245                                                      &display_name_str);
 246   std::vector<content::FileChooserFileInfo> files;
 247   files.reserve(file_path_str.size());
 248   for (size_t i = 0; i < file_path_str.size(); ++i) {
 249     GURL url(file_path_str[i]);
 250     if (!url.is_valid())
 251       continue;
 252     base::FilePath path(url.SchemeIsFile() ? url.path() : file_path_str[i]);
 253     content::FileChooserFileInfo file_info;
 254     file_info.file_path = path;
 255     if (!display_name_str[i].empty())
 256       file_info.display_name = display_name_str[i];
 257     files.push_back(file_info);
 258   }
 259   FileChooserParams::Mode mode;
 260   if (mode_flags & kFileChooserModeOpenFolder) {
 261     mode = FileChooserParams::UploadFolder;
 262   } else if (mode_flags & kFileChooserModeOpenMultiple) {
 263     mode = FileChooserParams::OpenMultiple;
 264   } else {
 265     mode = FileChooserParams::Open;
 266   }
 267   DVLOG(0) << "File Chooser result: mode = " << mode
 268            << ", file paths = " << JoinString(file_path_str, ":");
 269   rvh->FilesSelectedInChooser(files, mode);
 270 }
 271
 272 bool RegisterAwWebContentsDelegate(JNIEnv* env) {
 273   return RegisterNativesImpl(env);
 274 }
 275
 276 }  // namespace android_webview