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// Copyright (c) 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 "chrome/renderer/mock_render_thread.h"
#include "base/logging.h"
#include "chrome/common/ipc_message_utils.h"
#include "chrome/common/render_messages.h"
#include "testing/gtest/include/gtest/gtest.h"
MockRenderThread::MockRenderThread()
: routing_id_(0),
opener_id_(0),
widget_(NULL),
reply_deserializer_(NULL) {
}
MockRenderThread::~MockRenderThread() {
// Don't leak the allocated message bodies.
ClearMessages();
}
// Called by the Widget. The routing_id must match the routing id assigned
// to the Widget in reply to ViewHostMsg_CreateWidget message.
void MockRenderThread::AddRoute(int32 routing_id,
IPC::Channel::Listener* listener) {
EXPECT_EQ(routing_id_, routing_id);
widget_ = listener;
}
// Called by the Widget. The routing id must match the routing id of AddRoute.
void MockRenderThread::RemoveRoute(int32 routing_id) {
EXPECT_EQ(routing_id_, routing_id);
widget_ = NULL;
}
// Called by the Widget. Used to send messages to the browser.
// We short-circuit the mechanim and handle the messages right here on this
// class.
bool MockRenderThread::Send(IPC::Message* msg) {
// We need to simulate a synchronous channel, thus we are going to receive
// through this function messages, messages with reply and reply messages.
// We can only handle one synchronous message at a time.
if (msg->is_reply()) {
if (reply_deserializer_.get()) {
reply_deserializer_->SerializeOutputParameters(*msg);
reply_deserializer_.reset();
}
} else {
if (msg->is_sync()) {
// We actually need to handle deleting the reply dersializer for sync
// messages.
reply_deserializer_.reset(
static_cast<IPC::SyncMessage*>(msg)->GetReplyDeserializer());
}
OnMessageReceived(*msg);
}
delete msg;
return true;
}
void MockRenderThread::ClearMessages() {
for (size_t i = 0; i < messages_.size(); i++)
delete[] messages_[i].second;
messages_.clear();
}
const IPC::Message* MockRenderThread::GetMessageAt(size_t index) const {
if (index >= messages_.size())
return NULL;
return &messages_[index].first;
}
const IPC::Message* MockRenderThread::GetFirstMessageMatching(uint16 id) const {
for (size_t i = 0; i < messages_.size(); i++) {
if (messages_[i].first.type() == id)
return &messages_[i].first;
}
return NULL;
}
const IPC::Message* MockRenderThread::GetUniqueMessageMatching(
uint16 id) const {
size_t found_index = 0;
size_t found_count = 0;
for (size_t i = 0; i < messages_.size(); i++) {
if (messages_[i].first.type() == id) {
found_count++;
found_index = i;
}
}
if (found_count != 1)
return NULL; // Didn't find a unique one.
return &messages_[found_index].first;
}
void MockRenderThread::SendCloseMessage() {
ViewMsg_Close msg(routing_id_);
widget_->OnMessageReceived(msg);
}
void MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
// Copy the message into a pair. This is tricky since the message doesn't
// manage its data itself.
char* data_copy;
if (msg.size()) {
data_copy = new char[msg.size()];
memcpy(data_copy, msg.data(), msg.size());
} else {
// Dummy data so we can treat everything the same.
data_copy = new char[1];
data_copy[0] = 0;
}
// Save the message.
messages_.push_back(
std::make_pair(IPC::Message(data_copy, msg.size()), data_copy));
// Some messages we do special handling.
bool handled = true;
bool msg_is_ok = true;
IPC_BEGIN_MESSAGE_MAP_EX(MockRenderThread, msg, msg_is_ok)
IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnMsgCreateWidget);
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP_EX()
}
// The Widget expects to be returned valid route_id.
void MockRenderThread::OnMsgCreateWidget(int opener_id,
bool focus_on_show,
int* route_id) {
opener_id_ = opener_id;
*route_id = routing_id_;
}
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