chrome/renderer/plugins/shadow_dom_plugin_placeholder.h

   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 #ifndef CHROME_RENDERER_PLUGINS_SHADOW_DOM_PLUGIN_PLACEHOLDER_H_
   6 #define CHROME_RENDERER_PLUGINS_SHADOW_DOM_PLUGIN_PLACEHOLDER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
  10
  11 namespace blink {
  12 class WebLocalFrame;
  13 struct WebPluginParams;
  14 }
  15
  16 namespace content {
  17 class RenderFrame;
  18 }
  19
  20 // This is the Chrome implementation of shadow DOM plugin placeholders,
  21 // intended to ultimately replace those based on WebViewPlugin.
  22 // It is guarded by the --enable-plugin-placeholder-shadow-dom switch.
  23
  24 // Returns |true| if shadow DOM plugin placeholders are enabled.
  25 bool ShadowDOMPluginPlaceholderEnabled();
  26
  27 // Possibly creates a placeholder given plugin info output.
  28 // Returns nullptr if it is not appropriate to create a placeholder
  29 // (for instance, because the plugin should be allowed to load).
  30 scoped_ptr<blink::WebPluginPlaceholder> CreateShadowDOMPlaceholderForPluginInfo(
  31     content::RenderFrame* render_frame,
  32     blink::WebLocalFrame* frame,
  33     const blink::WebPluginParams& orig_params);
  34
  35 // Creates a placeholder suitable for representing a missing plugin.
  36 scoped_ptr<blink::WebPluginPlaceholder>
  37 CreateShadowDOMPlaceholderForMissingPlugin();
  38
  39 #endif  // CHROME_RENDERER_PLUGINS_SHADOW_DOM_PLUGIN_PLACEHOLDER_H_