mojo/examples/pepper_container_app/mojo_ppapi_globals.cc

   1 // Copyright 2014 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 "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
   6
   7 #include "base/logging.h"
   8 #include "base/message_loop/message_loop_proxy.h"
   9 #include "base/time/time.h"
  10 #include "mojo/examples/pepper_container_app/plugin_instance.h"
  11 #include "ppapi/c/pp_errors.h"
  12 #include "ppapi/shared_impl/ppb_message_loop_shared.h"
  13
  14 namespace mojo {
  15 namespace examples {
  16
  17 namespace {
  18
  19 const PP_Instance kInstanceId = 1;
  20
  21 }  // namespace
  22
  23 // A non-abstract subclass of ppapi::MessageLoopShared that represents the
  24 // message loop of the main thread.
  25 // TODO(yzshen): Build a more general ppapi::MessageLoopShared subclass to fully
  26 // support PPB_MessageLoop.
  27 class MojoPpapiGlobals::MainThreadMessageLoopResource
  28     : public ppapi::MessageLoopShared {
  29  public:
  30   explicit MainThreadMessageLoopResource(
  31       base::MessageLoopProxy* main_thread_message_loop)
  32       : MessageLoopShared(ForMainThread()),
  33         main_thread_message_loop_(main_thread_message_loop) {}
  34
  35   // ppapi::MessageLoopShared implementation.
  36   virtual void PostClosure(const tracked_objects::Location& from_here,
  37                            const base::Closure& closure,
  38                            int64 delay_ms) OVERRIDE {
  39     main_thread_message_loop_->PostDelayedTask(
  40         from_here, closure, base::TimeDelta::FromMilliseconds(delay_ms));
  41   }
  42
  43   virtual base::MessageLoopProxy* GetMessageLoopProxy() OVERRIDE {
  44     return main_thread_message_loop_.get();
  45   }
  46
  47   // ppapi::thunk::PPB_MessageLoop_API implementation.
  48   virtual int32_t AttachToCurrentThread() OVERRIDE {
  49     NOTIMPLEMENTED();
  50     return PP_ERROR_FAILED;
  51   }
  52
  53   virtual int32_t Run() OVERRIDE {
  54     NOTIMPLEMENTED();
  55     return PP_ERROR_FAILED;
  56   }
  57
  58   virtual int32_t PostWork(PP_CompletionCallback callback,
  59                            int64_t delay_ms) OVERRIDE {
  60     NOTIMPLEMENTED();
  61     return PP_ERROR_FAILED;
  62   }
  63
  64   virtual int32_t PostQuit(PP_Bool should_destroy) OVERRIDE {
  65     NOTIMPLEMENTED();
  66     return PP_ERROR_FAILED;
  67   }
  68
  69  private:
  70   virtual ~MainThreadMessageLoopResource() {}
  71
  72   scoped_refptr<base::MessageLoopProxy> main_thread_message_loop_;
  73   DISALLOW_COPY_AND_ASSIGN(MainThreadMessageLoopResource);
  74 };
  75
  76 MojoPpapiGlobals::MojoPpapiGlobals(Delegate* delegate)
  77     : delegate_(delegate),
  78       plugin_instance_(NULL),
  79       resource_tracker_(ppapi::ResourceTracker::THREAD_SAFE) {}
  80
  81 MojoPpapiGlobals::~MojoPpapiGlobals() {}
  82
  83 PP_Instance MojoPpapiGlobals::AddInstance(PluginInstance* instance) {
  84   DCHECK(!plugin_instance_);
  85   plugin_instance_ = instance;
  86   resource_tracker_.DidCreateInstance(kInstanceId);
  87   return kInstanceId;
  88 }
  89
  90 void MojoPpapiGlobals::InstanceDeleted(PP_Instance instance) {
  91   DCHECK_EQ(instance, kInstanceId);
  92   DCHECK(plugin_instance_);
  93   resource_tracker_.DidDeleteInstance(instance);
  94   plugin_instance_ = NULL;
  95 }
  96
  97 PluginInstance* MojoPpapiGlobals::GetInstance(PP_Instance instance) {
  98   if (instance == kInstanceId)
  99     return plugin_instance_;
 100   return NULL;
 101 }
 102
 103 ScopedMessagePipeHandle MojoPpapiGlobals::CreateGLES2Context() {
 104   return delegate_->CreateGLES2Context();
 105 }
 106
 107 ppapi::ResourceTracker* MojoPpapiGlobals::GetResourceTracker() {
 108   return &resource_tracker_;
 109 }
 110
 111 ppapi::VarTracker* MojoPpapiGlobals::GetVarTracker() {
 112   NOTIMPLEMENTED();
 113   return NULL;
 114 }
 115
 116 ppapi::CallbackTracker* MojoPpapiGlobals::GetCallbackTrackerForInstance(
 117     PP_Instance instance) {
 118   if (instance == kInstanceId && plugin_instance_)
 119     return plugin_instance_->plugin_module()->callback_tracker();
 120   return NULL;
 121 }
 122
 123 void MojoPpapiGlobals::LogWithSource(PP_Instance instance,
 124                                      PP_LogLevel level,
 125                                      const std::string& source,
 126                                      const std::string& value) {
 127   NOTIMPLEMENTED();
 128 }
 129
 130 void MojoPpapiGlobals::BroadcastLogWithSource(PP_Module module,
 131                                               PP_LogLevel level,
 132                                               const std::string& source,
 133                                               const std::string& value) {
 134   NOTIMPLEMENTED();
 135 }
 136
 137 ppapi::thunk::PPB_Instance_API* MojoPpapiGlobals::GetInstanceAPI(
 138     PP_Instance instance) {
 139   if (instance == kInstanceId && plugin_instance_)
 140     return plugin_instance_;
 141   return NULL;
 142 }
 143
 144 ppapi::thunk::ResourceCreationAPI* MojoPpapiGlobals::GetResourceCreationAPI(
 145     PP_Instance instance) {
 146   if (instance == kInstanceId && plugin_instance_)
 147     return plugin_instance_->resource_creation();
 148   return NULL;
 149 }
 150
 151 PP_Module MojoPpapiGlobals::GetModuleForInstance(PP_Instance instance) {
 152   NOTIMPLEMENTED();
 153   return 0;
 154 }
 155
 156 ppapi::MessageLoopShared* MojoPpapiGlobals::GetCurrentMessageLoop() {
 157   if (base::MessageLoopProxy::current().get() == GetMainThreadMessageLoop()) {
 158     if (!main_thread_message_loop_resource_.get()) {
 159       main_thread_message_loop_resource_ = new MainThreadMessageLoopResource(
 160           GetMainThreadMessageLoop());
 161     }
 162     return main_thread_message_loop_resource_.get();
 163   }
 164
 165   NOTIMPLEMENTED();
 166   return NULL;
 167 }
 168
 169 base::TaskRunner* MojoPpapiGlobals::GetFileTaskRunner() {
 170   NOTIMPLEMENTED();
 171   return NULL;
 172 }
 173
 174 std::string MojoPpapiGlobals::GetCmdLine() {
 175   NOTIMPLEMENTED();
 176   return std::string();
 177 }
 178
 179 void MojoPpapiGlobals::PreCacheFontForFlash(const void* logfontw) {
 180   NOTIMPLEMENTED();
 181 }
 182
 183 }  // namespace examples
 184 }  // namespace mojo