<webview>: First stab at implementing media permission request for guests.

content/renderer/browser_plugin/browser_plugin_bindings.cc

 // Copyright (c) 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_bindings.h"
 
 #include <cstdlib>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 33 matching lines @@
 const char kForwardMethod[] = "forward";
 const char kGetProcessId[] = "getProcessId";
 const char kGoMethod[] = "go";
 const char kMaxHeightAttribute[] = "maxHeight";
 const char kMaxWidthAttribute[] = "maxWidth";
 const char kMinHeightAttribute[] = "minHeight";
 const char kMinWidthAttribute[] = "minWidth";
 const char kPartitionAttribute[] = "partition";
 const char kReloadMethod[] = "reload";
 const char kRemoveEventListener[] = "removeEventListener";
+const char kSetMediaPermissionMethod[] = "setMediaPermission";
 const char kSrcAttribute[] = "src";
 const char kStopMethod[] = "stop";
 const char kTerminateMethod[] = "terminate";
 
 BrowserPluginBindings* GetBindings(NPObject* object) {
   return static_cast<BrowserPluginBindings::BrowserPluginNPObject*>(object)->
       message_channel;
 }
 
 bool IdentifierIsContentWindow(NPIdentifier identifier) {
@@ skipping 425 matching lines @@
                       const NPVariant* args,
                       NPVariant* result) OVERRIDE {
     bindings->instance()->Stop();
     return true;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingStop);
 };
 
+class BrowserPluginBindingSetMediaPermission
+    : public BrowserPluginMethodBinding {
+ public:
+  BrowserPluginBindingSetMediaPermission()
+      : BrowserPluginMethodBinding(kSetMediaPermissionMethod, 2) {
+  }
+
+  virtual bool Invoke(BrowserPluginBindings* bindings,
+                      const NPVariant* args,
+                      NPVariant* result) OVERRIDE {
+    int request_id = Int32FromNPVariant(args[0]);
+    bool allow = NPVARIANT_TO_BOOLEAN(args[1]);
+    bindings->instance()->AllowMediaAccess(request_id, allow);
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BrowserPluginBindingSetMediaPermission);
+};
+
 class BrowserPluginBindingTerminate : public BrowserPluginMethodBinding {
  public:
   BrowserPluginBindingTerminate()
       : BrowserPluginMethodBinding(kTerminateMethod, 0) {
   }
 
   virtual bool Invoke(BrowserPluginBindings* bindings,
                       const NPVariant* args,
                       NPVariant* result) OVERRIDE {
     bindings->instance()->TerminateGuest();
@@ skipping 23 matching lines @@
 
   method_bindings_.push_back(new BrowserPluginBindingBack);
   method_bindings_.push_back(new BrowserPluginBindingCanGoBack);
   method_bindings_.push_back(new BrowserPluginBindingCanGoForward);
   method_bindings_.push_back(new BrowserPluginBindingForward);
   method_bindings_.push_back(new BrowserPluginBindingGetProcessID);
   method_bindings_.push_back(new BrowserPluginBindingGo);
   method_bindings_.push_back(new BrowserPluginBindingReload);
   method_bindings_.push_back(new BrowserPluginBindingStop);
   method_bindings_.push_back(new BrowserPluginBindingTerminate);
+  method_bindings_.push_back(new BrowserPluginBindingSetMediaPermission);
 }
 
 BrowserPluginBindings::~BrowserPluginBindings() {
   WebBindings::releaseObject(np_object_);
 }
 
 bool BrowserPluginBindings::HasMethod(NPIdentifier name) const {
   for (BindingList::const_iterator iter = method_bindings_.begin();
        iter != method_bindings_.end();
        ++iter) {
@@ skipping 10 matching lines @@
   for (BindingList::iterator iter = method_bindings_.begin();
        iter != method_bindings_.end();
        ++iter) {
     if ((*iter)->MatchesName(name) && (*iter)->arg_count() == arg_count)
       return (*iter)->Invoke(this, args, result);
   }
   return false;
 }
 
 }  // namespace content