content/public/renderer/browser_plugin_delegate.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 CONTENT_PUBLIC_RENDERER_BROWSER_PLUGIN_DELEGATE_H_
   6 #define CONTENT_PUBLIC_RENDERER_BROWSER_PLUGIN_DELEGATE_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace gfx {
  12 class Size;
  13 }
  14
  15 namespace v8 {
  16 class Isolate;
  17 class Object;
  18 template<typename T> class Local;
  19 }  // namespace v8
  20
  21 namespace content {
  22
  23 class RenderFrame;
  24
  25 // A delegate for BrowserPlugin which gets notified about the plugin load.
  26 // Implementations can provide additional steps necessary to change the load
  27 // behavior of the plugin.
  28 class CONTENT_EXPORT BrowserPluginDelegate {
  29  public:
  30   // Called when the BrowserPlugin's geometry has been computed for the first
  31   // time.
  32   virtual void Ready() {}
  33
  34   // Called when plugin document has finished loading.
  35   virtual void DidFinishLoading() {}
  36
  37   // Called when plugin document receives data.
  38   virtual void DidReceiveData(const char* data, int data_length) {}
  39
  40   // Sets the instance ID that idenfies the plugin within current render
  41   // process.
  42   virtual void SetElementInstanceID(int element_instance_id) {}
  43
  44   // Called when the plugin resizes.
  45   virtual void DidResizeElement(const gfx::Size& new_size) {}
  46
  47   // Called when the plugin is about to be destroyed.
  48   virtual void DidDestroyElement() {}
  49
  50   // Returns a scriptable object for the plugin.
  51   virtual v8::Local<v8::Object> V8ScriptableObject(v8::Isolate* isolate);
  52
  53   // Returns a weak pointer to this delegate.
  54   virtual base::WeakPtr<BrowserPluginDelegate> GetWeakPtr() = 0;
  55
  56  protected:
  57   virtual ~BrowserPluginDelegate() {}
  58 };
  59
  60 }  // namespace content
  61
  62 #endif  // CONTENT_PUBLIC_RENDERER_BROWSER_PLUGIN_DELEGATE_H_