Remove BrowserPlugin's -internal-attach method

content/renderer/browser_plugin/browser_plugin.cc

 // Copyright 2012 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 "content/renderer/browser_plugin/browser_plugin.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 22 matching lines @@
 #include "ui/events/keycodes/keyboard_codes.h"
 
 using blink::WebCanvas;
 using blink::WebPluginContainer;
 using blink::WebPluginParams;
 using blink::WebPoint;
 using blink::WebRect;
 using blink::WebURL;
 using blink::WebVector;
 
+namespace {
+typedef std::map<blink::WebPluginContainer*, content::BrowserPlugin*>
+    PluginContainerMap;
+static base::LazyInstance<PluginContainerMap> g_plugin_container_map =
+    LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
 namespace content {
 
 BrowserPlugin::BrowserPlugin(RenderViewImpl* render_view,
                              blink::WebFrame* frame,
                              bool auto_navigate)
     : guest_instance_id_(browser_plugin::kInstanceIDNone),
       attached_(false),
       render_view_(render_view->AsWeakPtr()),
       render_view_routing_id_(render_view->GetRoutingID()),
       container_(NULL),
       paint_ack_received_(true),
       last_device_scale_factor_(GetDeviceScaleFactor()),
       sad_guest_(NULL),
       guest_crashed_(false),
       content_window_routing_id_(MSG_ROUTING_NONE),
       plugin_focused_(false),
       visible_(true),
       auto_navigate_(auto_navigate),
       mouse_locked_(false),
       browser_plugin_manager_(render_view->GetBrowserPluginManager()),
       weak_ptr_factory_(this) {
 }
 
 BrowserPlugin::~BrowserPlugin() {
+  browser_plugin_manager()->RemoveBrowserPluginInternal(
+      browser_plugin_instance_id_);
   // If the BrowserPlugin has never navigated then the browser process and
   // BrowserPluginManager don't know about it and so there is nothing to do
   // here.
   if (!HasGuestInstanceID())
     return;
   browser_plugin_manager()->RemoveBrowserPlugin(guest_instance_id_);
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_PluginDestroyed(render_view_routing_id_,
                                                guest_instance_id_));
 }
@@ skipping 74 matching lines @@
 
   if (compositing_helper_)
     compositing_helper_->SetContentsOpaque(opaque);
 
   browser_plugin_manager()->Send(new BrowserPluginHostMsg_SetContentsOpaque(
         render_view_routing_id_,
         guest_instance_id_,
         opaque));
 }
 
-void BrowserPlugin::Attach(int guest_instance_id,
-                           scoped_ptr<base::DictionaryValue> extra_params) {
-  CHECK(guest_instance_id != browser_plugin::kInstanceIDNone);
-
+void BrowserPlugin::Attach(int guest_instance_id) {
+  CHECK_NE(browser_plugin::kInstanceIDNone, guest_instance_id);
   // If this BrowserPlugin is already attached to a guest, then kill the guest.
   if (HasGuestInstanceID()) {
     if (guest_instance_id == guest_instance_id_)
       return;
     guest_crashed_ = false;
     EnableCompositing(false);
     if (compositing_helper_) {
       compositing_helper_->OnContainerDestroy();
       compositing_helper_ = NULL;
     }
     browser_plugin_manager()->RemoveBrowserPlugin(guest_instance_id_);
     browser_plugin_manager()->Send(new BrowserPluginHostMsg_PluginDestroyed(
         render_view_routing_id_, guest_instance_id_));
   }
 
-  // This API may be called directly without setting the src attribute.
-  // In that case, we need to make sure we don't allocate another instance ID.
   guest_instance_id_ = guest_instance_id;
   browser_plugin_manager()->AddBrowserPlugin(guest_instance_id, this);
 
   BrowserPluginHostMsg_Attach_Params attach_params;
   attach_params.focused = ShouldGuestBeFocused();
   attach_params.visible = visible_;
   attach_params.opaque = !GetAllowTransparencyAttribute();
   attach_params.origin = plugin_rect().origin();
   GetSizeParams(&attach_params.resize_guest_params, false);
 
-  browser_plugin_manager()->Send(
-      new BrowserPluginHostMsg_Attach(render_view_routing_id_,
-                                      guest_instance_id_, attach_params,
-                                      *extra_params));
+  browser_plugin_manager()->Send(new BrowserPluginHostMsg_Attach(
+      render_view_routing_id_,
+      browser_plugin_instance_id_,
+      attach_params));
 }
 
 void BrowserPlugin::DidCommitCompositorFrame() {
   if (compositing_helper_.get())
     compositing_helper_->DidCommitCompositorFrame();
 }
 
 void BrowserPlugin::OnAdvanceFocus(int guest_instance_id, bool reverse) {
   DCHECK(render_view_.get());
   render_view_->GetWebView()->advanceFocus(reverse);
 }
 
 void BrowserPlugin::OnAttachACK(int guest_instance_id) {
+  DCHECK(!attached());
   attached_ = true;
 }
 
 void BrowserPlugin::OnBuffersSwapped(
     int instance_id,
     const FrameMsg_BuffersSwapped_Params& params) {
   EnableCompositing(true);
 
   compositing_helper_->OnBuffersSwapped(params.size,
                                         params.mailbox,
@@ skipping 73 matching lines @@
       OnLockMouseACK(false);
       return;
     }
     render_view_->mouse_lock_dispatcher()->UnlockMouse(this);
   }
 }
 
 void BrowserPlugin::OnShouldAcceptTouchEvents(int guest_instance_id,
                                               bool accept) {
   if (container()) {
-    container()->requestTouchEventType(accept ?
-        blink::WebPluginContainer::TouchEventRequestTypeRaw :
-        blink::WebPluginContainer::TouchEventRequestTypeNone);
+    container()->requestTouchEventType(
+        accept ? WebPluginContainer::TouchEventRequestTypeRaw
+               : WebPluginContainer::TouchEventRequestTypeNone);
   }
 }
 
 void BrowserPlugin::OnUpdateRect(
     int guest_instance_id,
     const BrowserPluginMsg_UpdateRect_Params& params) {
   // Note that there is no need to send ACK for this message.
   // If the guest has updated pixels then it is no longer crashed.
   guest_crashed_ = false;
 
@@ skipping 67 matching lines @@
       should_be_focused));
 }
 
 bool BrowserPlugin::ShouldGuestBeFocused() const {
   bool embedder_focused = false;
   if (render_view_.get())
     embedder_focused = render_view_->has_focus();
   return plugin_focused_ && embedder_focused;
 }
 
-blink::WebPluginContainer* BrowserPlugin::container() const {
+WebPluginContainer* BrowserPlugin::container() const {
   return container_;
 }
 
 bool BrowserPlugin::initialize(WebPluginContainer* container) {
   if (!container)
     return false;
 
   // Tell |container| to allow this plugin to use script objects.
   npp_.reset(new NPP_t);
   container->allowScriptObjects();
 
   bindings_.reset(new BrowserPluginBindings(this));
   container_ = container;
   container_->setWantsWheelEvents(true);
-  // This is a way to notify observers of our attributes that we have the
-  // bindings ready. This also means that this plugin is available in render
-  // tree.
-  UpdateDOMAttribute("internalbindings", "true");
+
+  g_plugin_container_map.Get().insert(std::make_pair(container_, this));
+
+  // This is a way to notify observers of our attributes that this plugin is
+  // available in render tree.
+  browser_plugin_instance_id_ = browser_plugin_manager()->GetNextInstanceID();
+  UpdateDOMAttribute("internalinstanceid",
+                     base::StringPrintf("%d", browser_plugin_instance_id_));
+
+  browser_plugin_manager()->AddBrowserPluginInternal(
+      browser_plugin_instance_id_, this);
   return true;
 }
 
 void BrowserPlugin::EnableCompositing(bool enable) {
   bool enabled = !!compositing_helper_;
   if (enabled == enable)
     return;
 
   if (enable) {
     DCHECK(!compositing_helper_.get());
@@ skipping 12 matching lines @@
   }
 }
 
 void BrowserPlugin::destroy() {
   // If the plugin was initialized then it has a valid |npp_| identifier, and
   // the |container_| must clear references to the plugin's script objects.
   DCHECK(!npp_ || container_);
   if (container_)
     container_->clearScriptObjects();
 
+  // The BrowserPlugin's WebPluginContainer is deleted immediately after this
+  // call returns, so let's not keep a reference to it around.
+  g_plugin_container_map.Get().erase(container_);
+
   if (compositing_helper_.get())
     compositing_helper_->OnContainerDestroy();
   container_ = NULL;
   // Will be a no-op if the mouse is not currently locked.
   if (render_view_.get())
     render_view_->mouse_lock_dispatcher()->OnLockTargetDestroyed(this);
   base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
 }
 
 NPObject* BrowserPlugin::scriptableObject() {
@@ skipping 47 matching lines @@
       SkIntToScalar(plugin_rect_.height()));
   canvas->clipRect(image_data_rect);
   // Paint black or white in case we have nothing in our backing store or we
   // need to show a gutter.
   SkPaint paint;
   paint.setStyle(SkPaint::kFill_Style);
   paint.setColor(guest_crashed_ ? SK_ColorBLACK : SK_ColorWHITE);
   canvas->drawRect(image_data_rect, paint);
 }
 
+// static.
+BrowserPlugin* BrowserPlugin::FromNode(blink::WebNode& node) {
+  blink::WebPluginContainer* container = node.pluginContainer();
+  if (!container)
+    return NULL;
+
+  PluginContainerMap* browser_plugins = g_plugin_container_map.Pointer();
+  PluginContainerMap::iterator it = browser_plugins->find(container);
+  return it == browser_plugins->end() ? NULL : it->second;
+}
+
 // static
 bool BrowserPlugin::ShouldForwardToBrowserPlugin(
     const IPC::Message& message) {
   switch (message.type()) {
     case BrowserPluginMsg_AdvanceFocus::ID:
-    case BrowserPluginMsg_Attach_ACK::ID:
     case BrowserPluginMsg_BuffersSwapped::ID:
     case BrowserPluginMsg_CompositorFrameSwapped::ID:
     case BrowserPluginMsg_CopyFromCompositingSurface::ID:
     case BrowserPluginMsg_GuestContentWindowReady::ID:
     case BrowserPluginMsg_GuestGone::ID:
     case BrowserPluginMsg_SetCursor::ID:
     case BrowserPluginMsg_SetMouseLock::ID:
     case BrowserPluginMsg_ShouldAcceptTouchEvents::ID:
     case BrowserPluginMsg_UpdateRect::ID:
       return true;
@@ skipping 290 matching lines @@
     const blink::WebMouseEvent& event) {
   browser_plugin_manager()->Send(
       new BrowserPluginHostMsg_HandleInputEvent(render_view_routing_id_,
                                                 guest_instance_id_,
                                                 plugin_rect_,
                                                 &event));
   return true;
 }
 
 }  // namespace content