Upstreaming SelectFileDialog for Android

ui/base/dialogs/select_file_dialog_android.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_
+#define UI_BASE_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_
+
+#include <jni.h>
+
+#include "base/android/scoped_java_ref.h"
+#include "base/file_path.h"
+#include "ui/base/dialogs/select_file_dialog.h"
+
+namespace ui {
+
+class SelectFileDialogImpl : public ui::SelectFileDialog {
+ public:
+  static SelectFileDialogImpl* Create(
+      Listener* listener,
+      ui::SelectFilePolicy* policy);
+
+  void OnFileSelected(JNIEnv* env, jobject java_object, jstring filepath);
+  void OnFileNotSelected(JNIEnv* env, jobject java_object);
+
+  // From SelectFileDialog
+  virtual bool IsRunning(gfx::NativeWindow) const OVERRIDE;
+  virtual void ListenerDestroyed() OVERRIDE;
+
+  // Called when it is time to display the file picker.
+  // params is expected to be a Vector<string16> with accept_types first and
+  // the capture value as the last element of the vector.
+  virtual void SelectFileImpl(
+      ui::SelectFileDialog::Type type,
+      const string16& title,
+      const FilePath& default_path,
+      const ui::SelectFileDialog::FileTypeInfo* file_types,
+      int file_type_index,
+      const std::string& default_extension,
+      gfx::NativeWindow owning_window,
+      void* params) OVERRIDE;
+
+  static bool RegisterSelectFileDialog(JNIEnv* env);
+
+ protected:
+  virtual ~SelectFileDialogImpl();
+
+ private:
+  SelectFileDialogImpl(Listener* listener,  ui::SelectFilePolicy* policy);
+
+  virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE;
+
+  base::android::ScopedJavaGlobalRef<jobject> java_object_;
+
+  // Stores the state whether select_file_dialog is running.
+  bool is_running_;
+
+  DISALLOW_COPY_AND_ASSIGN(SelectFileDialogImpl);
+};
+
+SelectFileDialog* CreateAndroidSelectFileDialog(
+    SelectFileDialog::Listener* listener,
+    SelectFilePolicy* policy);
+
+}  // namespace ui
+
+#endif  // UI_BASE_DIALOGS_ANDROID_SELECT_FILE_DIALOG_ANDROID_H_