mock_render_thread.cc revision 5c02ac1a9c1b504631c0a3d2b6e737b5d738bae1 
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/message_loop/message_loop_proxy.h"
8#include "content/common/frame_messages.h"
9#include "content/common/view_messages.h"
10#include "content/public/renderer/render_process_observer.h"
11#include "content/renderer/render_view_impl.h"
12#include "ipc/ipc_message_utils.h"
13#include "ipc/ipc_sync_message.h"
14#include "ipc/message_filter.h"
15#include "testing/gtest/include/gtest/gtest.h"
16#include "third_party/WebKit/public/web/WebScriptController.h"
17
18namespace content {
19
20MockRenderThread::MockRenderThread()
21    : routing_id_(0),
22      surface_id_(0),
23      opener_id_(0),
24      new_window_routing_id_(0),
25      new_window_main_frame_routing_id_(0),
26      new_frame_routing_id_(0) {
27}
28
29MockRenderThread::~MockRenderThread() {
30  while (!filters_.empty()) {
31    scoped_refptr<IPC::MessageFilter> filter = filters_.back();
32    filters_.pop_back();
33    filter->OnFilterRemoved();
34  }
35}
36
37// Called by the Widget. Used to send messages to the browser.
38// We short-circuit the mechanism and handle the messages right here on this
39// class.
40bool MockRenderThread::Send(IPC::Message* msg) {
41  // We need to simulate a synchronous channel, thus we are going to receive
42  // through this function messages, messages with reply and reply messages.
43  // We can only handle one synchronous message at a time.
44  if (msg->is_reply()) {
45    if (reply_deserializer_) {
46      reply_deserializer_->SerializeOutputParameters(*msg);
47      reply_deserializer_.reset();
48    }
49  } else {
50    if (msg->is_sync()) {
51      // We actually need to handle deleting the reply deserializer for sync
52      // messages.
53      reply_deserializer_.reset(
54          static_cast<IPC::SyncMessage*>(msg)->GetReplyDeserializer());
55    }
56    if (msg->routing_id() == MSG_ROUTING_CONTROL)
57      OnControlMessageReceived(*msg);
58    else
59      OnMessageReceived(*msg);
60  }
61  delete msg;
62  return true;
63}
64
65base::MessageLoop* MockRenderThread::GetMessageLoop() {
66  return NULL;
67}
68
69IPC::SyncChannel* MockRenderThread::GetChannel() {
70  return NULL;
71}
72
73std::string MockRenderThread::GetLocale() {
74  return "en-US";
75}
76
77IPC::SyncMessageFilter* MockRenderThread::GetSyncMessageFilter() {
78  return NULL;
79}
80
81scoped_refptr<base::MessageLoopProxy>
82    MockRenderThread::GetIOMessageLoopProxy() {
83  return scoped_refptr<base::MessageLoopProxy>();
84}
85
86void MockRenderThread::AddRoute(int32 routing_id, IPC::Listener* listener) {
87}
88
89void MockRenderThread::RemoveRoute(int32 routing_id) {
90}
91
92int MockRenderThread::GenerateRoutingID() {
93  NOTREACHED();
94  return MSG_ROUTING_NONE;
95}
96
97void MockRenderThread::AddFilter(IPC::MessageFilter* filter) {
98  filter->OnFilterAdded(&sink());
99  // Add this filter to a vector so the MockRenderThread::RemoveFilter function
100  // can check if this filter is added.
101  filters_.push_back(make_scoped_refptr(filter));
102}
103
104void MockRenderThread::RemoveFilter(IPC::MessageFilter* filter) {
105  // Emulate the IPC::ChannelProxy::OnRemoveFilter function.
106  for (size_t i = 0; i < filters_.size(); ++i) {
107    if (filters_[i].get() == filter) {
108      filter->OnFilterRemoved();
109      filters_.erase(filters_.begin() + i);
110      return;
111    }
112  }
113  NOTREACHED() << "filter to be removed not found";
114}
115
116void MockRenderThread::AddObserver(RenderProcessObserver* observer) {
117  observers_.AddObserver(observer);
118}
119
120void MockRenderThread::RemoveObserver(RenderProcessObserver* observer) {
121  observers_.RemoveObserver(observer);
122}
123
124void MockRenderThread::SetResourceDispatcherDelegate(
125    ResourceDispatcherDelegate* delegate) {
126}
127
128void MockRenderThread::EnsureWebKitInitialized() {
129}
130
131void MockRenderThread::RecordAction(const base::UserMetricsAction& action) {
132}
133
134void MockRenderThread::RecordComputedAction(const std::string& action) {
135}
136
137scoped_ptr<base::SharedMemory>
138    MockRenderThread::HostAllocateSharedMemoryBuffer(
139        size_t buffer_size) {
140  scoped_ptr<base::SharedMemory> shared_buf(new base::SharedMemory);
141  if (!shared_buf->CreateAnonymous(buffer_size)) {
142    NOTREACHED() << "Cannot map shared memory buffer";
143    return scoped_ptr<base::SharedMemory>();
144  }
145
146  return scoped_ptr<base::SharedMemory>(shared_buf.release());
147}
148
149void MockRenderThread::RegisterExtension(v8::Extension* extension) {
150  blink::WebScriptController::registerExtension(extension);
151}
152
153void MockRenderThread::ScheduleIdleHandler(int64 initial_delay_ms) {
154}
155
156void MockRenderThread::IdleHandler() {
157}
158
159int64 MockRenderThread::GetIdleNotificationDelayInMs() const {
160  return 0;
161}
162
163void MockRenderThread::SetIdleNotificationDelayInMs(
164    int64 idle_notification_delay_in_ms) {
165}
166
167void MockRenderThread::UpdateHistograms(int sequence_number) {
168}
169
170int MockRenderThread::PostTaskToAllWebWorkers(const base::Closure& closure) {
171  return 0;
172}
173
174bool MockRenderThread::ResolveProxy(const GURL& url, std::string* proxy_list) {
175  return false;
176}
177
178base::WaitableEvent* MockRenderThread::GetShutdownEvent() {
179  return NULL;
180}
181
182#if defined(OS_WIN)
183void MockRenderThread::PreCacheFont(const LOGFONT& log_font) {
184}
185
186void MockRenderThread::ReleaseCachedFonts() {
187}
188
189#endif  // OS_WIN
190
191void MockRenderThread::SendCloseMessage() {
192  ViewMsg_Close msg(routing_id_);
193  RenderViewImpl::FromRoutingID(routing_id_)->OnMessageReceived(msg);
194}
195
196// The Widget expects to be returned valid route_id.
197void MockRenderThread::OnCreateWidget(int opener_id,
198                                      blink::WebPopupType popup_type,
199                                      int* route_id,
200                                      int* surface_id) {
201  opener_id_ = opener_id;
202  *route_id = routing_id_;
203  *surface_id = surface_id_;
204}
205
206// The View expects to be returned a valid route_id different from its own.
207void MockRenderThread::OnCreateWindow(
208    const ViewHostMsg_CreateWindow_Params& params,
209    int* route_id,
210    int* main_frame_route_id,
211    int* surface_id,
212    int64* cloned_session_storage_namespace_id) {
213  *route_id = new_window_routing_id_;
214  *main_frame_route_id = new_window_main_frame_routing_id_;
215  *surface_id = surface_id_;
216  *cloned_session_storage_namespace_id = 0;
217}
218
219// The Frame expects to be returned a valid route_id different from its own.
220void MockRenderThread::OnCreateChildFrame(int new_frame_routing_id,
221                                          const std::string& frame_name,
222                                          int* new_render_frame_id) {
223  *new_render_frame_id = new_frame_routing_id_;
224}
225
226bool MockRenderThread::OnControlMessageReceived(const IPC::Message& msg) {
227  ObserverListBase<RenderProcessObserver>::Iterator it(observers_);
228  RenderProcessObserver* observer;
229  while ((observer = it.GetNext()) != NULL) {
230    if (observer->OnControlMessageReceived(msg))
231      return true;
232  }
233  return OnMessageReceived(msg);
234}
235
236bool MockRenderThread::OnMessageReceived(const IPC::Message& msg) {
237  // Save the message in the sink.
238  sink_.OnMessageReceived(msg);
239
240  bool handled = true;
241  bool msg_is_ok = true;
242  IPC_BEGIN_MESSAGE_MAP_EX(MockRenderThread, msg, msg_is_ok)
243    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWidget, OnCreateWidget)
244    IPC_MESSAGE_HANDLER(ViewHostMsg_CreateWindow, OnCreateWindow)
245    IPC_MESSAGE_HANDLER(FrameHostMsg_CreateChildFrame, OnCreateChildFrame)
246    IPC_MESSAGE_UNHANDLED(handled = false)
247  IPC_END_MESSAGE_MAP_EX()
248  return handled;
249}
250
251#if defined(OS_WIN)
252void MockRenderThread::OnDuplicateSection(
253    base::SharedMemoryHandle renderer_handle,
254    base::SharedMemoryHandle* browser_handle) {
255  // We don't have to duplicate the input handles since RenderViewTest does not
256  // separate a browser process from a renderer process.
257  *browser_handle = renderer_handle;
258}
259#endif  // defined(OS_WIN)
260
261}  // namespace content
262