Move plugin code to content.

chrome/plugin/plugin_thread.cc

-// Copyright (c) 2010 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/plugin/plugin_thread.h"
-
-#include "build/build_config.h"
-
-#if defined(USE_X11)
-#include <gtk/gtk.h>
-#elif defined(OS_MACOSX)
-#include <CoreFoundation/CoreFoundation.h>
-#endif
-
-#include <string>
-#include <vector>
-
-#include "base/command_line.h"
-#include "base/lazy_instance.h"
-#include "base/process_util.h"
-#include "base/threading/thread_local.h"
-#include "chrome/plugin/npobject_util.h"
-#include "chrome/renderer/render_thread.h"
-#include "content/common/child_process.h"
-#include "content/common/content_client.h"
-#include "content/common/content_switches.h"
-#include "content/common/child_process_messages.h"
-#include "content/common/plugin_messages.h"
-#include "ipc/ipc_channel_handle.h"
-#include "net/base/net_errors.h"
-#include "webkit/glue/webkit_glue.h"
-#include "webkit/plugins/npapi/plugin_lib.h"
-#include "webkit/plugins/npapi/webplugin_delegate_impl.h"
-
-#if defined(TOOLKIT_USES_GTK)
-#include "ui/gfx/gtk_util.h"
-#endif
-
-#if defined(USE_X11)
-#include "ui/base/x/x11_util.h"
-#endif
-
-static base::LazyInstance<base::ThreadLocalPointer<PluginThread> > lazy_tls(
-    base::LINKER_INITIALIZED);
-
-PluginThread::PluginThread()
-    : preloaded_plugin_module_(NULL) {
-  plugin_path_ =
-      CommandLine::ForCurrentProcess()->GetSwitchValuePath(
-          switches::kPluginPath);
-
-  lazy_tls.Pointer()->Set(this);
-#if defined(OS_LINUX)
-  {
-    // XEmbed plugins assume they are hosted in a Gtk application, so we need
-    // to initialize Gtk in the plugin process.
-    g_thread_init(NULL);
-
-    // Flash has problems receiving clicks with newer GTKs due to the
-    // client-side windows change.  To be safe, we just always set the
-    // backwards-compat environment variable.
-    setenv("GDK_NATIVE_WINDOWS", "1", 1);
-
-    gfx::GtkInitFromCommandLine(*CommandLine::ForCurrentProcess());
-
-    // GTK after 2.18 resets the environment variable.  But if we're using
-    // nspluginwrapper, that means it'll spawn its subprocess without the
-    // environment variable!  So set it again.
-    setenv("GDK_NATIVE_WINDOWS", "1", 1);
-  }
-
-  ui::SetDefaultX11ErrorHandlers();
-#endif
-
-  PatchNPNFunctions();
-
-  // Preload the library to avoid loading, unloading then reloading
-  preloaded_plugin_module_ = base::LoadNativeLibrary(plugin_path_);
-
-  scoped_refptr<webkit::npapi::PluginLib> plugin(
-      webkit::npapi::PluginLib::CreatePluginLib(plugin_path_));
-  if (plugin.get())
-    plugin->NP_Initialize();
-
-  content::GetContentClient()->PluginProcessStarted(
-      plugin.get() ? plugin->plugin_info().name : string16());
-
-  // Certain plugins, such as flash, steal the unhandled exception filter
-  // thus we never get crash reports when they fault. This call fixes it.
-  message_loop()->set_exception_restoration(true);
-}
-
-PluginThread::~PluginThread() {
-  if (preloaded_plugin_module_) {
-    base::UnloadNativeLibrary(preloaded_plugin_module_);
-    preloaded_plugin_module_ = NULL;
-  }
-  PluginChannelBase::CleanupChannels();
-  webkit::npapi::PluginLib::UnloadAllPlugins();
-
-  if (webkit_glue::ShouldForcefullyTerminatePluginProcess())
-    base::KillProcess(base::GetCurrentProcessHandle(), 0, /* wait= */ false);
-
-  lazy_tls.Pointer()->Set(NULL);
-}
-
-PluginThread* PluginThread::current() {
-  return lazy_tls.Pointer()->Get();
-}
-
-bool PluginThread::OnControlMessageReceived(const IPC::Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(PluginThread, msg)
-    IPC_MESSAGE_HANDLER(PluginProcessMsg_CreateChannel, OnCreateChannel)
-    IPC_MESSAGE_HANDLER(PluginProcessMsg_NotifyRenderersOfPendingShutdown,
-                        OnNotifyRenderersOfPendingShutdown)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void PluginThread::OnCreateChannel(int renderer_id,
-                                   bool incognito) {
-  scoped_refptr<PluginChannel> channel(PluginChannel::GetPluginChannel(
-      renderer_id, ChildProcess::current()->io_message_loop()));
-  IPC::ChannelHandle channel_handle;
-  if (channel.get()) {
-    channel_handle.name = channel->channel_handle().name;
-#if defined(OS_POSIX)
-    // On POSIX, pass the renderer-side FD.
-    channel_handle.socket = base::FileDescriptor(channel->renderer_fd(), false);
-#endif
-    channel->set_incognito(incognito);
-  }
-
-  Send(new PluginProcessHostMsg_ChannelCreated(channel_handle));
-}
-
-void PluginThread::OnNotifyRenderersOfPendingShutdown() {
-  PluginChannel::NotifyRenderersOfPendingShutdown();
-}
-
-namespace webkit_glue {
-
-#if defined(OS_WIN)
-bool DownloadUrl(const std::string& url, HWND caller_window) {
-  PluginThread* plugin_thread = PluginThread::current();
-  if (!plugin_thread) {
-    return false;
-  }
-
-  IPC::Message* message =
-      new PluginProcessHostMsg_DownloadUrl(MSG_ROUTING_NONE, url,
-                                           ::GetCurrentProcessId(),
-                                           caller_window);
-  return plugin_thread->Send(message);
-}
-#endif
-
-bool GetPluginFinderURL(std::string* plugin_finder_url) {
-  if (!plugin_finder_url) {
-    NOTREACHED();
-    return false;
-  }
-
-  PluginThread* plugin_thread = PluginThread::current();
-  if (!plugin_thread)
-    return false;
-
-  plugin_thread->Send(
-      new PluginProcessHostMsg_GetPluginFinderUrl(plugin_finder_url));
-  // If we get an empty string back this means the plugin finder has been
-  // disabled.
-  return true;
-}
-
-bool IsDefaultPluginEnabled() {
-  return true;
-}
-
-bool FindProxyForUrl(const GURL& url, std::string* proxy_list) {
-  int net_error;
-  std::string proxy_result;
-
-  bool result = ChildThread::current()->Send(
-      new ChildProcessHostMsg_ResolveProxy(url, &net_error, &proxy_result));
-  if (!result || net_error != net::OK)
-    return false;
-
-  *proxy_list = proxy_result;
-  return true;
-}
-
-}  // namespace webkit_glue