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// Copyright (c) 2006-2008 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/glue/plugins/test/plugin_npobject_lifetime_test.h"
namespace NPAPIClient {
const int kNPObjectLifetimeTimer = 100;
const int kNPObjectLifetimeTimerElapse = 2000;
NPObject* NPObjectLifetimeTestInstance2::plugin_instance_object_ = NULL;
NPObjectDeletePluginInNPN_Evaluate*
NPObjectDeletePluginInNPN_Evaluate::g_npn_evaluate_test_instance_ = NULL;
NPObjectLifetimeTest::NPObjectLifetimeTest(NPP id,
NPNetscapeFuncs *host_functions)
: PluginTest(id, host_functions),
other_plugin_instance_object_(NULL),
timer_id_(0) {
}
NPError NPObjectLifetimeTest::SetWindow(NPWindow* pNPWindow) {
if (pNPWindow->window == NULL)
return NPERR_NO_ERROR;
HWND window_handle = reinterpret_cast<HWND>(pNPWindow->window);
if (!::GetProp(window_handle, L"Plugin_Instance")) {
// TODO: this propery leaks.
::SetProp(window_handle, L"Plugin_Instance", this);
// We attempt to retreive the NPObject for the plugin instance identified
// by the NPObjectLifetimeTestInstance2 class as it may not have been
// instantiated yet.
timer_id_ = SetTimer(window_handle, kNPObjectLifetimeTimer,
kNPObjectLifetimeTimerElapse, TimerProc);
}
return NPERR_NO_ERROR;
}
void CALLBACK NPObjectLifetimeTest::TimerProc(
HWND window, UINT message, UINT timer_id,
unsigned long elapsed_milli_seconds) {
NPObjectLifetimeTest* this_instance =
reinterpret_cast<NPObjectLifetimeTest*>
(::GetProp(window, L"Plugin_Instance"));
KillTimer(window, this_instance->timer_id_);
this_instance->timer_id_ = 0;
this_instance->other_plugin_instance_object_ =
NPObjectLifetimeTestInstance2::plugin_instance_object_;
this_instance->HostFunctions()->retainobject(
this_instance->other_plugin_instance_object_);
NPString script;
script.UTF8Characters = "javascript:DeleteSecondPluginInstance()";
script.UTF8Length = static_cast<uint32_t>(strlen(script.UTF8Characters));
this_instance->HostFunctions()->geturlnotify(
this_instance->id(), "javascript:DeleteSecondPluginInstance()", NULL,
reinterpret_cast<void*>(1));
}
void NPObjectLifetimeTest::URLNotify(const char* url, NPReason reason,
void* data) {
// Create a "location" identifier.
NPIdentifier identifier = HostFunctions()->getstringidentifier("location");
// Declare a local variant value.
NPVariant variantValue;
// Get the location property from the window object (which is another object).
bool b1 = HostFunctions()->getproperty(id(), other_plugin_instance_object_,
identifier, &variantValue );
HostFunctions()->releaseobject(other_plugin_instance_object_);
other_plugin_instance_object_ = NULL;
// If this test failed, then we'd have crashed by now.
SignalTestCompleted();
}
NPObjectLifetimeTestInstance2::NPObjectLifetimeTestInstance2(
NPP id, NPNetscapeFuncs *host_functions)
: PluginTest(id, host_functions) {
}
NPObjectLifetimeTestInstance2::~NPObjectLifetimeTestInstance2() {
if (plugin_instance_object_) {
HostFunctions()->releaseobject(plugin_instance_object_);
plugin_instance_object_ = NULL;
}
}
NPError NPObjectLifetimeTestInstance2::SetWindow(NPWindow* pNPWindow) {
if (pNPWindow->window == NULL)
return NPERR_NO_ERROR;
if (!plugin_instance_object_) {
if (!HostFunctions()->getvalue(id(), NPNVWindowNPObject,
&plugin_instance_object_)) {
SetError("Failed to get NPObject for plugin instance2");
SignalTestCompleted();
return NPERR_GENERIC_ERROR;
}
}
return NPERR_NO_ERROR;
}
NPObjectDeletePluginInNPN_Evaluate::NPObjectDeletePluginInNPN_Evaluate(
NPP id, NPNetscapeFuncs *host_functions)
: PluginTest(id, host_functions),
plugin_instance_object_(NULL),
timer_id_(0) {
g_npn_evaluate_test_instance_ = this;
}
NPObjectDeletePluginInNPN_Evaluate::~NPObjectDeletePluginInNPN_Evaluate() {
if (plugin_instance_object_) {
HostFunctions()->releaseobject(plugin_instance_object_);
plugin_instance_object_ = NULL;
}
}
NPError NPObjectDeletePluginInNPN_Evaluate::SetWindow(NPWindow* np_window) {
if (np_window->window == NULL)
return NPERR_NO_ERROR;
HWND window_handle = reinterpret_cast<HWND>(np_window->window);
// We setup a timerproc to invoke NPN_Evaluate to destroy this plugin
// instance. This is to ensure that we don't destroy the plugin instance
// while it is being used in webkit as this leads to crashes and is a
// more accurate representation of the renderer crash as described in
// http://b/issue?id=1134683.
if (!timer_id_) {
timer_id_ = SetTimer(window_handle, kNPObjectLifetimeTimer,
kNPObjectLifetimeTimerElapse, TimerProc);
}
return NPERR_NO_ERROR;
}
void CALLBACK NPObjectDeletePluginInNPN_Evaluate::TimerProc(
HWND window, UINT message, UINT timer_id,
unsigned long elapsed_milli_seconds) {
KillTimer(window, g_npn_evaluate_test_instance_->timer_id_);
g_npn_evaluate_test_instance_->timer_id_ = 0;
NPObject *window_obj = NULL;
g_npn_evaluate_test_instance_->HostFunctions()->getvalue(
g_npn_evaluate_test_instance_->id(), NPNVWindowNPObject,
&window_obj);
if (!window_obj) {
g_npn_evaluate_test_instance_->SetError(
"Failed to get NPObject for plugin instance2");
g_npn_evaluate_test_instance_->SignalTestCompleted();
return;
}
std::string script = "javascript:DeletePluginWithinScript()";
NPString script_string;
script_string.UTF8Characters = script.c_str();
script_string.UTF8Length =
static_cast<unsigned int>(script.length());
NPVariant result_var;
bool result = g_npn_evaluate_test_instance_->HostFunctions()->evaluate(
g_npn_evaluate_test_instance_->id(), window_obj,
&script_string, &result_var);
// If this test failed we would have crashed by now.
}
} // namespace NPAPIClient
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