components/plugins/renderer/plugin_placeholder.h

   1 // Copyright 2013 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 COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
   6 #define COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "components/plugins/renderer/webview_plugin.h"
  10 #include "content/public/renderer/render_frame_observer.h"
  11 #include "gin/wrappable.h"
  12 #include "third_party/WebKit/public/web/WebPluginParams.h"
  13
  14 namespace plugins {
  15
  16 class PluginPlaceholder : public content::RenderFrameObserver,
  17                           public WebViewPlugin::Delegate,
  18                           public gin::Wrappable<PluginPlaceholder> {
  19  public:
  20   static gin::WrapperInfo kWrapperInfo;
  21
  22   WebViewPlugin* plugin() { return plugin_; }
  23
  24  protected:
  25   // |render_frame| and |frame| are weak pointers. If either one is going away,
  26   // our |plugin_| will be destroyed as well and will notify us.
  27   PluginPlaceholder(content::RenderFrame* render_frame,
  28                     blink::WebLocalFrame* frame,
  29                     const blink::WebPluginParams& params,
  30                     const std::string& html_data,
  31                     GURL placeholderDataUrl);
  32
  33   ~PluginPlaceholder() override;
  34
  35   blink::WebLocalFrame* GetFrame();
  36   const blink::WebPluginParams& GetPluginParams() const;
  37
  38   // WebViewPlugin::Delegate methods:
  39   void ShowContextMenu(const blink::WebMouseEvent&) override;
  40   void PluginDestroyed() override;
  41
  42  private:
  43   // RenderFrameObserver methods:
  44   void OnDestruct() override;
  45
  46   blink::WebLocalFrame* frame_;
  47   blink::WebPluginParams plugin_params_;
  48   WebViewPlugin* plugin_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(PluginPlaceholder);
  51 };
  52
  53 }  // namespace plugins
  54
  55 #endif  // COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_