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 "base/android/jni_array.h"
  11 #include "base/android/jni_string.h"
  12 #include "base/android/scoped_java_ref.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/message_loop/message_loop.h"
  15 #include "base/strings/string_util.h"
  16 #include "content/public/browser/render_process_host.h"
  17 #include "content/public/browser/render_view_host.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "content/public/common/file_chooser_params.h"
  20 #include "jni/AwWebContentsDelegate_jni.h"
  21 #include "ui/shell_dialogs/selected_file_info.h"
  22
  23 using base::android::AttachCurrentThread;
  24 using base::android::ConvertUTF16ToJavaString;
  25 using base::android::ConvertUTF8ToJavaString;
  26 using base::android::ScopedJavaLocalRef;
  27 using content::FileChooserParams;
  28 using content::WebContents;
  29
  30 namespace android_webview {
  31
  32 namespace {
  33
  34 // WARNING: these constants are exposed in the public interface Java side, so
  35 // must remain in sync with what clients are expecting.
  36 const int kFileChooserModeOpenMultiple = 1 << 0;
  37 const int kFileChooserModeOpenFolder = 1 << 1;
  38
  39 base::LazyInstance<AwJavaScriptDialogManager>::Leaky
  40     g_javascript_dialog_manager = LAZY_INSTANCE_INITIALIZER;
  41 }
  42
  43 AwWebContentsDelegate::AwWebContentsDelegate(
  44     JNIEnv* env,
  45     jobject obj)
  46     : WebContentsDelegateAndroid(env, obj) {
  47 }
  48
  49 AwWebContentsDelegate::~AwWebContentsDelegate() {
  50 }
  51
  52 content::JavaScriptDialogManager*
  53 AwWebContentsDelegate::GetJavaScriptDialogManager() {
  54   return g_javascript_dialog_manager.Pointer();
  55 }
  56
  57 void AwWebContentsDelegate::FindReply(WebContents* web_contents,
  58                                       int request_id,
  59                                       int number_of_matches,
  60                                       const gfx::Rect& selection_rect,
  61                                       int active_match_ordinal,
  62                                       bool final_update) {
  63   AwContents* aw_contents = AwContents::FromWebContents(web_contents);
  64   if (!aw_contents)
  65     return;
  66
  67   aw_contents->GetFindHelper()->HandleFindReply(request_id,
  68                                                 number_of_matches,
  69                                                 active_match_ordinal,
  70                                                 final_update);
  71 }
  72
  73 void AwWebContentsDelegate::CanDownload(
  74     content::RenderViewHost* source,
  75     int request_id,
  76     const std::string& request_method,
  77     const base::Callback<void(bool)>& callback) {
  78   // Android webview intercepts download in its resource dispatcher host
  79   // delegate, so should not reach here.
  80   NOTREACHED();
  81   callback.Run(false);
  82 }
  83
  84 void AwWebContentsDelegate::RunFileChooser(WebContents* web_contents,
  85                                            const FileChooserParams& params) {
  86   JNIEnv* env = AttachCurrentThread();
  87   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
  88   if (!java_delegate.obj())
  89     return;
  90
  91   int mode_flags = 0;
  92   if (params.mode == FileChooserParams::OpenMultiple) {
  93     mode_flags |= kFileChooserModeOpenMultiple;
  94   } else if (params.mode == FileChooserParams::UploadFolder) {
  95     // Folder implies multiple in Chrome.
  96     mode_flags |= kFileChooserModeOpenMultiple | kFileChooserModeOpenFolder;
  97   } else if (params.mode == FileChooserParams::Save) {
  98     // Save not supported, so cancel it.
  99     web_contents->GetRenderViewHost()->FilesSelectedInChooser(
 100          std::vector<ui::SelectedFileInfo>(),
 101          params.mode);
 102     return;
 103   } else {
 104     DCHECK_EQ(FileChooserParams::Open, params.mode);
 105   }
 106   Java_AwWebContentsDelegate_runFileChooser(env,
 107       java_delegate.obj(),
 108       web_contents->GetRenderProcessHost()->GetID(),
 109       web_contents->GetRenderViewHost()->GetRoutingID(),
 110       mode_flags,
 111       ConvertUTF16ToJavaString(env,
 112         JoinString(params.accept_types, ',')).obj(),
 113       params.title.empty() ? NULL :
 114           ConvertUTF16ToJavaString(env, params.title).obj(),
 115       params.default_file_name.empty() ? NULL :
 116           ConvertUTF8ToJavaString(env, params.default_file_name.value()).obj(),
 117       params.capture);
 118 }
 119
 120 void AwWebContentsDelegate::AddNewContents(WebContents* source,
 121                                            WebContents* new_contents,
 122                                            WindowOpenDisposition disposition,
 123                                            const gfx::Rect& initial_pos,
 124                                            bool user_gesture,
 125                                            bool* was_blocked) {
 126   JNIEnv* env = AttachCurrentThread();
 127
 128   bool is_dialog = disposition == NEW_POPUP;
 129   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 130   bool create_popup = false;
 131
 132   if (java_delegate.obj()) {
 133     create_popup = Java_AwWebContentsDelegate_addNewContents(env,
 134         java_delegate.obj(), is_dialog, user_gesture);
 135   }
 136
 137   if (create_popup) {
 138     // The embedder would like to display the popup and we will receive
 139     // a callback from them later with an AwContents to use to display
 140     // it. The source AwContents takes ownership of the new WebContents
 141     // until then, and when the callback is made we will swap the WebContents
 142     // out into the new AwContents.
 143     AwContents::FromWebContents(source)->SetPendingWebContentsForPopup(
 144         make_scoped_ptr(new_contents));
 145     // Hide the WebContents for the pop up now, we will show it again
 146     // when the user calls us back with an AwContents to use to show it.
 147     new_contents->WasHidden();
 148   } else {
 149     // The embedder has forgone their chance to display this popup
 150     // window, so we're done with the WebContents now. We use
 151     // DeleteSoon as WebContentsImpl may call methods on |new_contents|
 152     // after this method returns.
 153     base::MessageLoop::current()->DeleteSoon(FROM_HERE, new_contents);
 154   }
 155
 156   if (was_blocked) {
 157     *was_blocked = !create_popup;
 158   }
 159 }
 160
 161 void AwWebContentsDelegate::CloseContents(WebContents* source) {
 162   JNIEnv* env = AttachCurrentThread();
 163
 164   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 165   if (java_delegate.obj()) {
 166     Java_AwWebContentsDelegate_closeContents(env, java_delegate.obj());
 167   }
 168 }
 169
 170 void AwWebContentsDelegate::ActivateContents(WebContents* contents) {
 171   JNIEnv* env = AttachCurrentThread();
 172
 173   ScopedJavaLocalRef<jobject> java_delegate = GetJavaDelegate(env);
 174   if (java_delegate.obj()) {
 175     Java_AwWebContentsDelegate_activateContents(env, java_delegate.obj());
 176   }
 177 }
 178
 179 void AwWebContentsDelegate::RequestProtectedMediaIdentifierPermission(
 180     const content::WebContents* web_contents,
 181     const GURL& frame_url,
 182     const base::Callback<void(bool)>& callback) {
 183   NOTIMPLEMENTED();
 184 }
 185
 186 static void FilesSelectedInChooser(
 187     JNIEnv* env, jclass clazz,
 188     jint process_id, jint render_id, jint mode_flags,
 189     jobjectArray file_paths) {
 190   content::RenderViewHost* rvh = content::RenderViewHost::FromID(process_id,
 191                                                                  render_id);
 192   if (!rvh)
 193     return;
 194
 195   std::vector<std::string> file_path_str;
 196   // Note file_paths maybe NULL, but this will just yield a zero-length vector.
 197   base::android::AppendJavaStringArrayToStringVector(env, file_paths,
 198                                                      &file_path_str);
 199   std::vector<ui::SelectedFileInfo> files;
 200   files.reserve(file_path_str.size());
 201   for (size_t i = 0; i < file_path_str.size(); ++i) {
 202     files.push_back(ui::SelectedFileInfo(base::FilePath(file_path_str[i]),
 203                                          base::FilePath()));
 204   }
 205   FileChooserParams::Mode mode;
 206   if (mode_flags & kFileChooserModeOpenFolder) {
 207     mode = FileChooserParams::UploadFolder;
 208   } else if (mode_flags & kFileChooserModeOpenMultiple) {
 209     mode = FileChooserParams::OpenMultiple;
 210   } else {
 211     mode = FileChooserParams::Open;
 212   }
 213   LOG(INFO) << "File Chooser result: mode = " << mode
 214             << ", file paths = " << JoinString(file_path_str, ":");
 215   rvh->FilesSelectedInChooser(files, mode);
 216 }
 217
 218 bool RegisterAwWebContentsDelegate(JNIEnv* env) {
 219   return RegisterNativesImpl(env);
 220 }
 221
 222 }  // namespace android_webview