src/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_params.h"
  23 #include "content/public/common/media_stream_request.h"
  24 #include "jni/AwWebContentsDelegate_jni.h"
  25 #include "ui/shell_dialogs/selected_file_info.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 }
  52
  53 AwWebContentsDelegate::~AwWebContentsDelegate() {
  54 }
  55
  56 content::JavaScriptDialogManager*
  57 AwWebContentsDelegate::GetJavaScriptDialogManager() {
  58   return g_javascript_dialog_manager.Pointer();
  59 }
  60
  61 void AwWebContentsDelegate::FindReply(WebContents* web_contents,
  62                                       int request_id,
  63                                       int number_of_matches,
  64                                       const gfx::Rect& selection_rect,
  65                                       int active_match_ordinal,
  66                                       bool final_update) {
  67   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
  68   if (!aw_contents)
  69     return;
  70
  71   aw_contents->GetFindHelper()->HandleFindReply(request_id,
  72                                                 number_of_matches,
  73                                                 active_match_ordinal,
  74                                                 final_update);
  75 }
  76
  77 void AwWebContentsDelegate::CanDownload(
  78     content::RenderViewHost* source,
  79     const GURL& url,
  80     const std::string& request_method,
  81     const base::Callback<void(bool)>& callback) {
  82   // Android webview intercepts download in its resource dispatcher host
  83   // delegate, so should not reach here.
  84   NOTREACHED();
  85   callback.Run(false);
  86 }
  87
  88 void AwWebContentsDelegate::RunFileChooser(WebContents* web_contents,
  89                                            const FileChooserParams& params) {
  90   JNIEnv* env = AttachCurrentThread();
  91   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
  92   if (!java_delegate.obj())
  93     return;
  94
  95   int mode_flags = 0;
  96   if (params.mode == FileChooserParams::OpenMultiple) {
  97     mode_flags |= kFileChooserModeOpenMultiple;
  98   } else if (params.mode == FileChooserParams::UploadFolder) {
  99     // Folder implies multiple in Chrome.
 100     mode_flags |= kFileChooserModeOpenMultiple | kFileChooserModeOpenFolder;
 101   } else if (params.mode == FileChooserParams::Save) {
 102     // Save not supported, so cancel it.
 103     web_contents->GetRenderViewHost()->FilesSelectedInChooser(
 104          std::vector<ui::SelectedFileInfo>(),
 105          params.mode);
 106     return;
 107   } else {
 108     DCHECK_EQ(FileChooserParams::Open, params.mode);
 109   }
 110   Java_AwWebContentsDelegate_runFileChooser(env,
 111       java_delegate.obj(),
 112       web_contents->GetRenderProcessHost()->GetID(),
 113       web_contents->GetRenderViewHost()->GetRoutingID(),
 114       mode_flags,
 115       ConvertUTF16ToJavaString(env,
 116         JoinString(params.accept_types, ',')).obj(),
 117       params.title.empty() ? NULL :
 118           ConvertUTF16ToJavaString(env, params.title).obj(),
 119       params.default_file_name.empty() ? NULL :
 120           ConvertUTF8ToJavaString(env, params.default_file_name.value()).obj(),
 121       params.capture);
 122 }
 123
 124 void AwWebContentsDelegate::AddNewContents(WebContents* source,
 125                                            WebContents* new_contents,
 126                                            WindowOpenDisposition disposition,
 127                                            const gfx::Rect& initial_pos,
 128                                            bool user_gesture,
 129                                            bool* was_blocked) {
 130   JNIEnv* env = AttachCurrentThread();
 131
 132   bool is_dialog = disposition == NEW_POPUP;
 133   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 134   bool create_popup = false;
 135
 136   if (java_delegate.obj()) {
 137     create_popup = Java_AwWebContentsDelegate_addNewContents(env,
 138         java_delegate.obj(), is_dialog, user_gesture);
 139   }
 140
 141   if (create_popup) {
 142     // The embedder would like to display the popup and we will receive
 143     // a callback from them later with an AwContents to use to display
 144     // it. The source AwContents takes ownership of the new WebContents
 145     // until then, and when the callback is made we will swap the WebContents
 146     // out into the new AwContents.
 147     AwContents::FromWebContents(source)->SetPendingWebContentsForPopup(
 148         make_scoped_ptr(new_contents));
 149     // Hide the WebContents for the pop up now, we will show it again
 150     // when the user calls us back with an AwContents to use to show it.
 151     new_contents->WasHidden();
 152   } else {
 153     // The embedder has forgone their chance to display this popup
 154     // window, so we're done with the WebContents now. We use
 155     // DeleteSoon as WebContentsImpl may call methods on |new_contents|
 156     // after this method returns.
 157     base::MessageLoop::current()->DeleteSoon(FROM_HERE, new_contents);
 158   }
 159
 160   if (was_blocked) {
 161     *was_blocked = !create_popup;
 162   }
 163 }
 164
 165 // Notifies the delegate about the creation of a new WebContents. This
 166 // typically happens when popups are created.
 167 void AwWebContentsDelegate::WebContentsCreated(
 168     WebContents* source_contents,
 169     int opener_render_frame_id,
 170     const base::string16& frame_name,
 171     const GURL& target_url,
 172     content::WebContents* new_contents) {
 173   AwContentsIoThreadClientImpl::RegisterPendingContents(new_contents);
 174 }
 175
 176 void AwWebContentsDelegate::CloseContents(WebContents* source) {
 177   JNIEnv* env = AttachCurrentThread();
 178
 179   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 180   if (java_delegate.obj()) {
 181     Java_AwWebContentsDelegate_closeContents(env, java_delegate.obj());
 182   }
 183 }
 184
 185 void AwWebContentsDelegate::ActivateContents(WebContents* contents) {
 186   JNIEnv* env = AttachCurrentThread();
 187
 188   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 189   if (java_delegate.obj()) {
 190     Java_AwWebContentsDelegate_activateContents(env, java_delegate.obj());
 191   }
 192 }
 193
 194 void AwWebContentsDelegate::RequestMediaAccessPermission(
 195     WebContents* web_contents,
 196     const content::MediaStreamRequest& request,
 197     const content::MediaResponseCallback& callback) {
 198   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
 199   if (!aw_contents) {
 200     callback.Run(content::MediaStreamDevices(),
 201                  content::MEDIA_DEVICE_INVALID_STATE,
 202                  scoped_ptr<content::MediaStreamUI>().Pass());
 203     return;
 204   }
 205   aw_contents->GetPermissionRequestHandler()->SendRequest(
 206       scoped_ptr<AwPermissionRequestDelegate>(
 207           new MediaAccessPermissionRequest(request, callback)));
 208 }
 209
 210 static void FilesSelectedInChooser(
 211     JNIEnv* env, jclass clazz,
 212     jint process_id, jint render_id, jint mode_flags,
 213     jobjectArray file_paths, jobjectArray display_names) {
 214   content::RenderViewHost* rvh = content::RenderViewHost::FromID(process_id,
 215                                                                  render_id);
 216   if (!rvh)
 217     return;
 218
 219   std::vector<std::string> file_path_str;
 220   std::vector<std::string> display_name_str;
 221   // Note file_paths maybe NULL, but this will just yield a zero-length vector.
 222   base::android::AppendJavaStringArrayToStringVector(env, file_paths,
 223                                                      &file_path_str);
 224   base::android::AppendJavaStringArrayToStringVector(env, display_names,
 225                                                      &display_name_str);
 226   std::vector<ui::SelectedFileInfo> files;
 227   files.reserve(file_path_str.size());
 228   for (size_t i = 0; i < file_path_str.size(); ++i) {
 229     GURL url(file_path_str[i]);
 230     if (!url.is_valid())
 231       continue;
 232     base::FilePath path(url.SchemeIsFile() ? url.path() : file_path_str[i]);
 233     ui::SelectedFileInfo file_info(path, base::FilePath());
 234     if (!display_name_str[i].empty())
 235       file_info.display_name = display_name_str[i];
 236     files.push_back(file_info);
 237   }
 238   FileChooserParams::Mode mode;
 239   if (mode_flags & kFileChooserModeOpenFolder) {
 240     mode = FileChooserParams::UploadFolder;
 241   } else if (mode_flags & kFileChooserModeOpenMultiple) {
 242     mode = FileChooserParams::OpenMultiple;
 243   } else {
 244     mode = FileChooserParams::Open;
 245   }
 246   DVLOG(0) << "File Chooser result: mode = " << mode
 247            << ", file paths = " << JoinString(file_path_str, ":");
 248   rvh->FilesSelectedInChooser(files, mode);
 249 }
 250
 251 bool RegisterAwWebContentsDelegate(JNIEnv* env) {
 252   return RegisterNativesImpl(env);
 253 }
 254
 255 }  // namespace android_webview