// Copyright (c) 2011 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.

#include "webkit/plugins/npapi/test/plugin_javascript_open_popup.h"

#include "build/build_config.h"
#include "base/logging.h"

#if defined(USE_X11)
#include "third_party/npapi/bindings/npapi_x11.h"
#endif
#include "webkit/plugins/npapi/test/plugin_client.h"

namespace NPAPIClient {

ExecuteJavascriptOpenPopupWithPluginTest::
    ExecuteJavascriptOpenPopupWithPluginTest(NPP id,
                                             NPNetscapeFuncs *host_functions)
    : PluginTest(id, host_functions),
      popup_window_test_started_(false) {
}

int16 ExecuteJavascriptOpenPopupWithPluginTest::SetWindow(
    NPWindow* window) {
#if !defined(OS_MACOSX)
  if (window->window == NULL)
    return NPERR_NO_ERROR;
#endif

  if (!popup_window_test_started_) {
    popup_window_test_started_ = true;
    HostFunctions()->geturl(
        id(), "popup_window_with_target_plugin.html", "_blank");
  }
  return NPERR_NO_ERROR;
}

// ExecuteJavascriptPopupWindowTargetPluginTest member defines.
ExecuteJavascriptPopupWindowTargetPluginTest::
    ExecuteJavascriptPopupWindowTargetPluginTest(
        NPP id, NPNetscapeFuncs* host_functions)
    : PluginTest(id, host_functions),
      test_completed_(false) {
}

int16 ExecuteJavascriptPopupWindowTargetPluginTest::SetWindow(
    NPWindow* window) {
#if !defined(OS_MACOSX)
  if (window->window == NULL)
    return NPERR_NO_ERROR;
#endif

  if (!test_completed_) {
    if (CheckWindow(window)) {
      SignalTestCompleted();
      test_completed_ = true;
    }
  }
  return PluginTest::SetWindow(window);
}

#if defined(OS_WIN)
bool ExecuteJavascriptPopupWindowTargetPluginTest::CheckWindow(
    NPWindow* window) {
  HWND window_handle = reinterpret_cast<HWND>(window->window);

  if (IsWindow(window_handle)) {
    HWND parent_window = GetParent(window_handle);
    if (!IsWindow(parent_window))
      SetError("Windowed plugin instantiated with NULL parent");
    return true;
  }

  return false;
}

#elif defined(USE_X11)
// This code blindly follows the same sorts of verifications done on
// the Windows side.  Does it make sense on X?  Maybe not really, but
// it can't hurt to do extra validations.
bool ExecuteJavascriptPopupWindowTargetPluginTest::CheckWindow(
    NPWindow* window) {
  Window xwindow = reinterpret_cast<Window>(window->window);
  // Grab a pointer to the extra SetWindow data so we can grab the display out.
  NPSetWindowCallbackStruct* extra =
      static_cast<NPSetWindowCallbackStruct*>(window->ws_info);

  if (xwindow) {
    Window root, parent;
    Window* wins = NULL;
    unsigned int num_child;
    Status status = XQueryTree(extra->display, xwindow, &root, &parent,
                               &wins, &num_child);
    if (wins)
      XFree(wins);
    DCHECK(status != 0);
    if (!parent || parent == root)
      SetError("Windowed plugin instantiated with NULL parent");
    return true;
  }

  return false;
}
#elif defined(OS_MACOSX)
bool ExecuteJavascriptPopupWindowTargetPluginTest::CheckWindow(
    NPWindow* window) {
  // TODO(port) scaffolding--replace with a real test once NPWindow is done.
  return false;
}
#endif

} // namespace NPAPIClient