mock_render_thread.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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 "content/public/test/mock_render_thread.h"
6
7#include "base/process_util.h"
8#include "base/message_loop_proxy.h"
9#include "content/common/view_messages.h"
10#include "ipc/ipc_message_utils.h"
11#include "ipc/ipc_sync_message.h"
12#include "testing/gtest/include/gtest/gtest.h"
13
14namespace content {
15
16MockRenderThread::MockRenderThread()
17    : routing_id_(0), surface_id_(0), opener_id_(0), new_window_routing_id_(0) {
18}
19
20MockRenderThread::~MockRenderThread() {
21}
22
23void MockRenderThread::VerifyRunJavaScriptMessageSend(
24    const string16& expected_alert_message) {
25  const IPC::Message* alert_msg =
26      sink_.GetUniqueMessageMatching(ViewHostMsg_RunJavaScriptMessage::ID);
27  ASSERT_TRUE(alert_msg);
28  PickleIterator iter = IPC::SyncMessage::GetDataIterator(alert_msg);
29  ViewHostMsg_RunJavaScriptMessage::SendParam alert_param;
30  ASSERT_TRUE(IPC::ReadParam(alert_msg, &iter, &alert_param));
31  EXPECT_EQ(expected_alert_message, alert_param.a);
32}
33
34// Called by the Widget. Used to send messages to the browser.
35// We short-circuit the mechanism and handle the messages right here on this
36// class.
37bool MockRenderThread::Send(IPC::Message* msg) {
38  // We need to simulate a synchronous channel, thus we are going to receive
39  // through this function messages, messages with reply and reply messages.
40  // We can only handle one synchronous message at a time.
41  if (msg->is_reply()) {
42    if (reply_deserializer_.get()) {
43      reply_deserializer_->SerializeOutputParameters(*msg);
44      reply_deserializer_.reset();
45    }
46  } else {
47    if (msg->is_sync()) {
48      // We actually need to handle deleting the reply deserializer for sync
49      // messages.
50      reply_deserializer_.reset(
51          static_cast<IPC::SyncMessage*>(msg)->GetReplyDeserializer());
52    }
53    OnMessageReceived(*msg);
54  }
55  delete msg;
56  return true;
57}
58
59MessageLoop* MockRenderThread::GetMessageLoop() {
60  return NULL;
61}
62
63IPC::SyncChannel* MockRenderThread::GetChannel() {
64  return NULL;
65}
66
67std::string MockRenderThread::GetLocale() {
68  return "en-US";
69}
70
71IPC::SyncMessageFilter* MockRenderThread::GetSyncMessageFilter() {
72  return NULL;
73}
74
75scoped_refptr<base::MessageLoopProxy>
76    MockRenderThread::GetIOMessageLoopProxy() {
77  return scoped_refptr<base::MessageLoopProxy>();
78}
79
80void MockRenderThread::AddRoute(int32 routing_id, IPC::Listener* listener) {
81  // We may hear this for views created from OnMsgCreateWindow as well,
82  // in which case we don't want to track the new widget.
83  if (routing_id_ == routing_id)
84    widget_ = listener;
85}
86
87void MockRenderThread::RemoveRoute(int32 routing_id) {
88  // We may hear this for views created from OnMsgCreateWindow as well,
89  // in which case we don't want to track the new widget.
90  if (routing_id_ == routing_id)
91    widget_ = NULL;
92}
93
94int MockRenderThread::GenerateRoutingID() {
95  NOTREACHED();
96  return MSG_ROUTING_NONE;
97}
98
99void MockRenderThread::AddFilter(IPC::ChannelProxy::MessageFilter* filter) {
100  filter->OnFilterAdded(&sink());
101  // Add this filter to a vector so the MockRenderThread::RemoveFilter function
102  // can check if this filter is added.
103  filters_.push_back(make_scoped_refptr(filter));
104}
105
106void MockRenderThread::RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) {
107  // Emulate the IPC::ChannelProxy::OnRemoveFilter function.
108  for (size_t i = 0; i < filters_.size(); ++i) {
109    if (filters_[i].get() == filter) {
110      filter->OnFilterRemoved();
111      filters_.erase(filters_.begin() + i);
112      return;
113    }
114  }
115  NOTREACHED() << "filter to be removed not found";
116}
117
118void MockRenderThread::SetOutgoingMessageFilter(
119    IPC::ChannelProxy::OutgoingMessageFilter* filter) {
120}
121
122void MockRenderThread::AddObserver(RenderProcessObserver* observer) {
123}
124
125void MockRenderThread::RemoveObserver(RenderProcessObserver* observer) {
126}
127
128void MockRenderThread::SetResourceDispatcherDelegate(
129    ResourceDispatcherDelegate* delegate) {
130}
131
132void MockRenderThread::WidgetHidden() {
133}
134
135void MockRenderThread::WidgetRestored() {
136}
137
138void MockRenderThread::EnsureWebKitInitialized() {
139}
140
141void MockRenderThread::RecordUserMetrics(const std::string& action) {
142}
143
144base::SharedMemoryHandle MockRenderThread::HostAllocateSharedMemoryBuffer(
145    uint32 buffer_size) {
146  base::SharedMemory shared_buf;
147  if (!shared_buf.CreateAndMapAnonymous(buffer_size)) {
148    NOTREACHED() << "Cannot map shared memory buffer";
149    return base::SharedMemory::NULLHandle();
150  }
151  base::SharedMemoryHandle handle;
152  shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), &handle);
153  return handle;
154}
155
156void MockRenderThread::RegisterExtension(v8::Extension* extension) {
157}
158
159void MockRenderThread::ScheduleIdleHandler(int64 initial_delay_ms) {
160}
161
162void MockRenderThread::IdleHandler() {
163}
164
165int64 MockRenderThread::GetIdleNotificationDelayInMs() const {
166  return 0;
167}
168
169void MockRenderThread::SetIdleNotificationDelayInMs(
170    int64 idle_notification_delay_in_ms) {
171}
172
173void MockRenderThread::ToggleWebKitSharedTimer(bool suspend) {
174}
175
176void MockRenderThread::UpdateHistograms(int sequence_number) {
177}
178
179#if defined(OS_WIN)
180void MockRenderThread::PreCacheFont(const LOGFONT& log_font) {
181}
182
183void MockRenderThread::ReleaseCachedFonts() {
184}
185
186#endif  // OS_WIN
187
188void MockRenderThread::SendCloseMessage() {
189  ViewMsg_Close msg(routing_id_);
190  widget_->OnMessageReceived(msg);
191}
192
193// The Widget expects to be returned valid route_id.
194void MockRenderThread::OnMsgCreateWidget(int opener_id,
195                                         WebKit::WebPopupType popup_type,
196                                         int* route_id,
197                                         int* surface_id) {
198  opener_id_ = opener_id;
199  *route_id = routing_id_;
200  *surface_id = surface_id_;
201}
202
203// The View expects to be returned a valid route_id different from its own.
204void MockRenderThread::OnMsgCreateWindow(
205    const ViewHostMsg_CreateWindow_Params& params,
206    int* route_id,
207    int* surface_id,
208    int64* cloned_session_storage_namespace_id) {
209  *route_id = new_window_routing_id_;
210  *surface_id = surface_id_;
211  *cloned_session_storage_namespace_id = 0;
212}
213
214bool MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
215  // Save the message in the sink.
216  sink_.OnMessageReceived(msg);
217
218  bool handled = true;
219  bool msg_is_ok = true;
220  IPC_BEGIN_MESSAGE_MAP_EX(MockRenderThread, msg, msg_is_ok)
221    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnMsgCreateWidget)
222    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWindow, OnMsgCreateWindow)
223    IPC_MESSAGE_UNHANDLED(handled = false)
224  IPC_END_MESSAGE_MAP_EX()
225  return handled;
226}
227
228#if defined(OS_WIN)
229void MockRenderThread::OnDuplicateSection(
230    base::SharedMemoryHandle renderer_handle,
231    base::SharedMemoryHandle* browser_handle) {
232  // We don't have to duplicate the input handles since RenderViewTest does not
233  // separate a browser process from a renderer process.
234  *browser_handle = renderer_handle;
235}
236#endif  // defined(OS_WIN)
237
238}  // namespace content
239