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      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/worker/websharedworkerclient_proxy.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/command_line.h"
      9 #include "base/message_loop/message_loop.h"
     10 #include "content/child/fileapi/file_system_dispatcher.h"
     11 #include "content/child/fileapi/webfilesystem_callback_adapters.h"
     12 #include "content/child/quota_dispatcher.h"
     13 #include "content/child/webmessageportchannel_impl.h"
     14 #include "content/common/worker_messages.h"
     15 #include "content/public/common/content_switches.h"
     16 #include "content/worker/shared_worker_devtools_agent.h"
     17 #include "content/worker/websharedworker_stub.h"
     18 #include "content/worker/worker_thread.h"
     19 #include "content/worker/worker_webapplicationcachehost_impl.h"
     20 #include "ipc/ipc_logging.h"
     21 #include "third_party/WebKit/public/platform/WebString.h"
     22 #include "third_party/WebKit/public/platform/WebURL.h"
     23 #include "third_party/WebKit/public/web/WebDocument.h"
     24 #include "third_party/WebKit/public/web/WebFileSystemCallbacks.h"
     25 #include "third_party/WebKit/public/web/WebFrame.h"
     26 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
     27 
     28 using WebKit::WebApplicationCacheHost;
     29 using WebKit::WebFrame;
     30 using WebKit::WebMessagePortChannel;
     31 using WebKit::WebMessagePortChannelArray;
     32 using WebKit::WebSecurityOrigin;
     33 using WebKit::WebString;
     34 using WebKit::WebWorker;
     35 using WebKit::WebSharedWorkerClient;
     36 
     37 namespace content {
     38 
     39 // How long to wait for worker to finish after it's been told to terminate.
     40 #define kMaxTimeForRunawayWorkerSeconds 3
     41 
     42 WebSharedWorkerClientProxy::WebSharedWorkerClientProxy(
     43     int route_id, WebSharedWorkerStub* stub)
     44     : route_id_(route_id),
     45       appcache_host_id_(0),
     46       stub_(stub),
     47       weak_factory_(this),
     48       devtools_agent_(NULL) {
     49 }
     50 
     51 WebSharedWorkerClientProxy::~WebSharedWorkerClientProxy() {
     52 }
     53 
     54 void WebSharedWorkerClientProxy::postMessageToWorkerObject(
     55     const WebString& message,
     56     const WebMessagePortChannelArray& channels) {
     57   std::vector<int> message_port_ids(channels.size());
     58   std::vector<int> routing_ids(channels.size());
     59   for (size_t i = 0; i < channels.size(); ++i) {
     60     WebMessagePortChannelImpl* webchannel =
     61         static_cast<WebMessagePortChannelImpl*>(channels[i]);
     62     message_port_ids[i] = webchannel->message_port_id();
     63     webchannel->QueueMessages();
     64     DCHECK(message_port_ids[i] != MSG_ROUTING_NONE);
     65     routing_ids[i] = MSG_ROUTING_NONE;
     66   }
     67 
     68   Send(new WorkerMsg_PostMessage(
     69       route_id_, message, message_port_ids, routing_ids));
     70 }
     71 
     72 void WebSharedWorkerClientProxy::postExceptionToWorkerObject(
     73     const WebString& error_message,
     74     int line_number,
     75     const WebString& source_url) {
     76   Send(new WorkerHostMsg_PostExceptionToWorkerObject(
     77       route_id_, error_message, line_number, source_url));
     78 }
     79 
     80 void WebSharedWorkerClientProxy::postConsoleMessageToWorkerObject(
     81     int source,
     82     int type,
     83     int level,
     84     const WebString& message,
     85     int line_number,
     86     const WebString& source_url) {
     87   WorkerHostMsg_PostConsoleMessageToWorkerObject_Params params;
     88   params.source_identifier = source;
     89   params.message_type = type;
     90   params.message_level = level;
     91   params.message = message;
     92   params.line_number = line_number;
     93   params.source_url = source_url;
     94   Send(new WorkerHostMsg_PostConsoleMessageToWorkerObject(route_id_, params));
     95 }
     96 
     97 void WebSharedWorkerClientProxy::confirmMessageFromWorkerObject(
     98     bool has_pending_activity) {
     99   Send(new WorkerHostMsg_ConfirmMessageFromWorkerObject(
    100       route_id_, has_pending_activity));
    101 }
    102 
    103 void WebSharedWorkerClientProxy::reportPendingActivity(
    104     bool has_pending_activity) {
    105   Send(new WorkerHostMsg_ReportPendingActivity(
    106       route_id_, has_pending_activity));
    107 }
    108 
    109 void WebSharedWorkerClientProxy::workerContextClosed() {
    110   Send(new WorkerHostMsg_WorkerContextClosed(route_id_));
    111 }
    112 
    113 void WebSharedWorkerClientProxy::workerContextDestroyed() {
    114   Send(new WorkerHostMsg_WorkerContextDestroyed(route_id_));
    115   // Tell the stub that the worker has shutdown - frees this object.
    116   if (stub_)
    117     stub_->Shutdown();
    118 }
    119 
    120 WebKit::WebNotificationPresenter*
    121 WebSharedWorkerClientProxy::notificationPresenter() {
    122   // TODO(johnnyg): Notifications are not yet hooked up to workers.
    123   // Coming soon.
    124   NOTREACHED();
    125   return NULL;
    126 }
    127 
    128 WebApplicationCacheHost* WebSharedWorkerClientProxy::createApplicationCacheHost(
    129     WebKit::WebApplicationCacheHostClient* client) {
    130   WorkerWebApplicationCacheHostImpl* host =
    131       new WorkerWebApplicationCacheHostImpl(stub_->appcache_init_info(),
    132                                             client);
    133   // Remember the id of the instance we create so we have access to that
    134   // value when creating nested dedicated workers in createWorker.
    135   appcache_host_id_ = host->host_id();
    136   return host;
    137 }
    138 
    139 // TODO(abarth): Security checks should use WebDocument or WebSecurityOrigin,
    140 // not WebFrame as the context object because WebFrames can contain different
    141 // WebDocuments at different times.
    142 bool WebSharedWorkerClientProxy::allowDatabase(WebFrame* frame,
    143                                          const WebString& name,
    144                                          const WebString& display_name,
    145                                          unsigned long estimated_size) {
    146   WebSecurityOrigin origin = frame->document().securityOrigin();
    147   if (origin.isUnique())
    148     return false;
    149 
    150   bool result = false;
    151   Send(new WorkerProcessHostMsg_AllowDatabase(
    152       route_id_, GURL(origin.toString().utf8()), name, display_name,
    153       estimated_size, &result));
    154   return result;
    155 }
    156 
    157 bool WebSharedWorkerClientProxy::allowFileSystem() {
    158   bool result = false;
    159   Send(new WorkerProcessHostMsg_AllowFileSystem(
    160       route_id_, stub_->url().GetOrigin(), &result));
    161   return result;
    162 }
    163 
    164 void WebSharedWorkerClientProxy::openFileSystem(
    165     WebKit::WebFileSystemType type,
    166     long long size,
    167     bool create,
    168     WebKit::WebFileSystemCallbacks* callbacks) {
    169   ChildThread::current()->file_system_dispatcher()->OpenFileSystem(
    170       stub_->url().GetOrigin(), static_cast<fileapi::FileSystemType>(type),
    171       size, create,
    172       base::Bind(&OpenFileSystemCallbackAdapter, callbacks),
    173       base::Bind(&FileStatusCallbackAdapter, callbacks));
    174 }
    175 
    176 bool WebSharedWorkerClientProxy::allowIndexedDB(const WebKit::WebString& name) {
    177   bool result = false;
    178   Send(new WorkerProcessHostMsg_AllowIndexedDB(
    179       route_id_, stub_->url().GetOrigin(), name, &result));
    180   return result;
    181 }
    182 
    183 void WebSharedWorkerClientProxy::queryUsageAndQuota(
    184     WebKit::WebStorageQuotaType type,
    185     WebKit::WebStorageQuotaCallbacks* callbacks) {
    186   ChildThread::current()->quota_dispatcher()->QueryStorageUsageAndQuota(
    187       stub_->url().GetOrigin(), static_cast<quota::StorageType>(type),
    188       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
    189 }
    190 
    191 void WebSharedWorkerClientProxy::dispatchDevToolsMessage(
    192     const WebString& message) {
    193   if (devtools_agent_)
    194     devtools_agent_->SendDevToolsMessage(message);
    195 }
    196 
    197 void WebSharedWorkerClientProxy::saveDevToolsAgentState(
    198     const WebKit::WebString& state) {
    199   if (devtools_agent_)
    200     devtools_agent_->SaveDevToolsAgentState(state);
    201 }
    202 
    203 bool WebSharedWorkerClientProxy::Send(IPC::Message* message) {
    204   return WorkerThread::current()->Send(message);
    205 }
    206 
    207 void WebSharedWorkerClientProxy::EnsureWorkerContextTerminates() {
    208   // This shuts down the process cleanly from the perspective of the browser
    209   // process, and avoids the crashed worker infobar from appearing to the new
    210   // page. It's ok to post several of theese, because the first executed task
    211   // will exit the message loop and subsequent ones won't be executed.
    212   base::MessageLoop::current()->PostDelayedTask(
    213       FROM_HERE,
    214       base::Bind(&WebSharedWorkerClientProxy::workerContextDestroyed,
    215                  weak_factory_.GetWeakPtr()),
    216       base::TimeDelta::FromSeconds(kMaxTimeForRunawayWorkerSeconds));
    217 }
    218 
    219 }  // namespace content
    220