ui/shell_dialogs/select_file_dialog_android.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 "select_file_dialog_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_array.h"
   9 #include "base/android/jni_string.h"
  10 #include "base/android/scoped_java_ref.h"
  11 #include "base/logging.h"
  12 #include "base/string_util.h"
  13 #include "base/strings/string_split.h"
  14 #include "base/utf_string_conversions.h"
  15 #include "jni/SelectFileDialog_jni.h"
  16 #include "ui/gfx/android/window_android.h"
  17
  18 namespace ui {
  19
  20 // static
  21 SelectFileDialogImpl* SelectFileDialogImpl::Create(Listener* listener,
  22                                            ui::SelectFilePolicy* policy) {
  23   return new SelectFileDialogImpl(listener, policy);
  24 }
  25
  26 void SelectFileDialogImpl::OnFileSelected(JNIEnv* env,
  27                                           jobject java_object,
  28                                           jstring filepath) {
  29   if (listener_) {
  30     std::string path = base::android::ConvertJavaStringToUTF8(env, filepath);
  31     listener_->FileSelected(base::FilePath(path), 0, NULL);
  32   }
  33
  34   is_running_ = false;
  35 }
  36
  37 void SelectFileDialogImpl::OnFileNotSelected(
  38     JNIEnv* env,
  39     jobject java_object) {
  40   if (listener_)
  41     listener_->FileSelectionCanceled(NULL);
  42
  43   is_running_ = false;
  44 }
  45
  46 bool SelectFileDialogImpl::IsRunning(gfx::NativeWindow) const {
  47   return is_running_;
  48 }
  49
  50 void SelectFileDialogImpl::ListenerDestroyed() {
  51   listener_ = NULL;
  52 }
  53
  54 void SelectFileDialogImpl::SelectFileImpl(
  55     ui::SelectFileDialog::Type type,
  56     const string16& title,
  57     const base::FilePath& default_path,
  58     const SelectFileDialog::FileTypeInfo* file_types,
  59     int file_type_index,
  60     const std::string& default_extension,
  61     gfx::NativeWindow owning_window,
  62     void* params) {
  63   JNIEnv* env = base::android::AttachCurrentThread();
  64
  65   std::vector<string16> accept_types =
  66       *(reinterpret_cast<std::vector<string16>*>(params));
  67
  68   // The last string in params is expected to be the string with capture value.
  69   ScopedJavaLocalRef<jstring> capture_value =
  70       base::android::ConvertUTF16ToJavaString(env,
  71           StringToLowerASCII(accept_types.back()));
  72   base::android::CheckException(env);
  73   accept_types.pop_back();
  74
  75   // The rest params elements are expected to be accept_types.
  76   ScopedJavaLocalRef<jobjectArray> accept_types_java =
  77       base::android::ToJavaArrayOfStrings(env, accept_types);
  78
  79   Java_SelectFileDialog_selectFile(env, java_object_.obj(),
  80                                    accept_types_java.obj(),
  81                                    capture_value.obj(),
  82                                    owning_window->GetJavaObject().obj());
  83   is_running_ = true;
  84 }
  85
  86 bool SelectFileDialogImpl::RegisterSelectFileDialog(JNIEnv* env) {
  87   return RegisterNativesImpl(env);
  88 }
  89
  90 SelectFileDialogImpl::~SelectFileDialogImpl() {
  91 }
  92
  93 SelectFileDialogImpl::SelectFileDialogImpl(Listener* listener,
  94                                            ui::SelectFilePolicy* policy)
  95     : ui::SelectFileDialog(listener, policy),
  96       is_running_(false) {
  97   JNIEnv* env = base::android::AttachCurrentThread();
  98   java_object_.Reset(
  99       Java_SelectFileDialog_create(env, reinterpret_cast<jint>(this)));
 100 }
 101
 102 bool SelectFileDialogImpl::HasMultipleFileTypeChoicesImpl() {
 103   NOTIMPLEMENTED();
 104   return false;
 105 }
 106
 107 SelectFileDialog* CreateAndroidSelectFileDialog(
 108     SelectFileDialog::Listener* listener,
 109     SelectFilePolicy* policy) {
 110   return SelectFileDialogImpl::Create(listener, policy);
 111 }
 112
 113 }  // namespace ui