Move the Pepper implementation from webkit/glue/plugins/pepper_* to...

webkit/glue/plugins/pepper_plugin_delegate.h

-// Copyright (c) 2010 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.
-
-#ifndef WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
-#define WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_
-
-#include <string>
-
-#include "base/callback.h"
-#include "base/platform_file.h"
-#include "base/ref_counted.h"
-#include "base/shared_memory.h"
-#include "base/sync_socket.h"
-#include "gfx/size.h"
-#include "googleurl/src/gurl.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/c/pp_errors.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_stdint.h"
-#include "webkit/fileapi/file_system_types.h"
-#include "webkit/glue/plugins/pepper_dir_contents.h"
-
-class AudioMessageFilter;
-class GURL;
-
-namespace base {
-class MessageLoopProxy;
-class Time;
-}
-
-namespace fileapi {
-class FileSystemCallbackDispatcher;
-}
-
-namespace gfx {
-class Rect;
-}
-
-namespace gpu {
-namespace gles2 {
-class GLES2Implementation;
-}
-}
-
-namespace skia {
-class PlatformCanvas;
-}
-
-namespace WebKit {
-class WebFileChooserCompletion;
-struct WebFileChooserParams;
-}
-
-struct PP_VideoCompressedDataBuffer_Dev;
-struct PP_VideoDecoderConfig_Dev;
-struct PP_VideoUncompressedDataBuffer_Dev;
-
-class TransportDIB;
-
-namespace pepper {
-
-class FileIO;
-class PluginInstance;
-class FullscreenContainer;
-
-// Virtual interface that the browser implements to implement features for
-// Pepper plugins.
-class PluginDelegate {
- public:
-  // This class is implemented by the PluginDelegate implementation and is
-  // designed to manage the lifetime and communicatin with the proxy's
-  // HostDispatcher for out-of-process pepper plugins.
-  //
-  // The point of this is to avoid having a relationship from the pepper plugin
-  // implementation to the ppapi proxy code. Otherwise, things like the IPC
-  // system will be dependencies of the webkit directory, which we don't want.
-  //
-  // The PluginModule will scope the lifetime of this object to its own
-  // lifetime, so the implementation can use this to manage the HostDispatcher
-  // lifetime without introducing the dependency.
-  class OutOfProcessProxy {
-   public:
-    virtual ~OutOfProcessProxy() {}
-
-    // Implements GetInterface for the proxied plugin.
-    virtual const void* GetProxiedInterface(const char* name) = 0;
-
-    // Notification to the out-of-process layer that the given plugin instance
-    // has been created. This will happen before the normal PPB_Instance method
-    // calls so the out-of-process code can set up the tracking information for
-    // the new instance.
-    virtual void AddInstance(PP_Instance instance) = 0;
-
-    // Like AddInstance but removes the given instance. This is called after
-    // regular instance shutdown so the out-of-process code can clean up its
-    // tracking information.
-    virtual void RemoveInstance(PP_Instance instance) = 0;
-  };
-
-  // Represents an image. This is to allow the browser layer to supply a correct
-  // image representation. In Chrome, this will be a TransportDIB.
-  class PlatformImage2D {
-   public:
-    virtual ~PlatformImage2D() {}
-
-    // Caller will own the returned pointer, returns NULL on failure.
-    virtual skia::PlatformCanvas* Map() = 0;
-
-    // Returns the platform-specific shared memory handle of the data backing
-    // this image. This is used by PPAPI proxying to send the image to the
-    // out-of-process plugin. On success, the size in bytes will be placed into
-    // |*bytes_count|. Returns 0 on failure.
-    virtual intptr_t GetSharedMemoryHandle(uint32* byte_count) const = 0;
-
-    virtual TransportDIB* GetTransportDIB() const = 0;
-  };
-
-  class PlatformContext3D {
-   public:
-    virtual ~PlatformContext3D() {}
-
-    // Initialize the context.
-    virtual bool Init() = 0;
-
-    // Present the rendered frame to the compositor.
-    virtual bool SwapBuffers() = 0;
-
-    // Get the last EGL error.
-    virtual unsigned GetError() = 0;
-
-    // Resize the backing texture used as a back buffer by OpenGL.
-    virtual void ResizeBackingTexture(const gfx::Size& size) = 0;
-
-    // Set an optional callback that will be invoked when the side effects of
-    // a SwapBuffers call become visible to the compositor. Takes ownership
-    // of the callback.
-    virtual void SetSwapBuffersCallback(Callback0::Type* callback) = 0;
-
-    // If the plugin instance is backed by an OpenGL, return its ID in the
-    // compositors namespace. Otherwise return 0. Returns 0 by default.
-    virtual unsigned GetBackingTextureId() = 0;
-
-    // This call will return the address of the GLES2 implementation for this
-    // context that is constructed in Initialize() and is valid until this
-    // context is destroyed.
-    virtual gpu::gles2::GLES2Implementation* GetGLES2Implementation() = 0;
-  };
-
-  class PlatformAudio {
-   public:
-    class Client {
-     protected:
-      virtual ~Client() {}
-
-     public:
-      // Called when the stream is created.
-      virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
-                                 size_t shared_memory_size,
-                                 base::SyncSocket::Handle socket) = 0;
-    };
-
-    // Starts the playback. Returns false on error or if called before the
-    // stream is created or after the stream is closed.
-    virtual bool StartPlayback() = 0;
-
-    // Stops the playback. Returns false on error or if called before the stream
-    // is created or after the stream is closed.
-    virtual bool StopPlayback() = 0;
-
-    // Closes the stream. Make sure to call this before the object is
-    // destructed.
-    virtual void ShutDown() = 0;
-
-   protected:
-    virtual ~PlatformAudio() {}
-  };
-
-  class PlatformVideoDecoder {
-   public:
-    virtual ~PlatformVideoDecoder() {}
-
-    // Returns false on failure.
-    virtual bool Decode(PP_VideoCompressedDataBuffer_Dev& input_buffer) = 0;
-    virtual int32_t Flush(PP_CompletionCallback& callback) = 0;
-    virtual bool ReturnUncompressedDataBuffer(
-        PP_VideoUncompressedDataBuffer_Dev& buffer) = 0;
-  };
-
-  // Indicates that the given instance has been created.
-  virtual void InstanceCreated(pepper::PluginInstance* instance) = 0;
-
-  // Indicates that the given instance is being destroyed. This is called from
-  // the destructor, so it's important that the instance is not dereferenced
-  // from this call.
-  virtual void InstanceDeleted(pepper::PluginInstance* instance) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformImage2D* CreateImage2D(int width, int height) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformContext3D* CreateContext3D() = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformVideoDecoder* CreateVideoDecoder(
-      const PP_VideoDecoderConfig_Dev& decoder_config) = 0;
-
-  // The caller will own the pointer returned from this.
-  virtual PlatformAudio* CreateAudio(uint32_t sample_rate,
-                                     uint32_t sample_count,
-                                     PlatformAudio::Client* client) = 0;
-
-  // Notifies that the number of find results has changed.
-  virtual void NumberOfFindResultsChanged(int identifier,
-                                          int total,
-                                          bool final_result) = 0;
-
-  // Notifies that the index of the currently selected item has been updated.
-  virtual void SelectedFindResultChanged(int identifier, int index) = 0;
-
-  // Runs a file chooser.
-  virtual bool RunFileChooser(
-      const WebKit::WebFileChooserParams& params,
-      WebKit::WebFileChooserCompletion* chooser_completion) = 0;
-
-  // Sends an async IPC to open a file.
-  typedef Callback2<base::PlatformFileError, base::PlatformFile
-                    >::Type AsyncOpenFileCallback;
-  virtual bool AsyncOpenFile(const FilePath& path,
-                             int flags,
-                             AsyncOpenFileCallback* callback) = 0;
-  virtual bool OpenFileSystem(
-      const GURL& url,
-      fileapi::FileSystemType type,
-      long long size,
-      fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool MakeDirectory(
-      const FilePath& path,
-      bool recursive,
-      fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool Query(const FilePath& path,
-                     fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool Touch(const FilePath& path,
-                     const base::Time& last_access_time,
-                     const base::Time& last_modified_time,
-                     fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool Delete(const FilePath& path,
-                      fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool Rename(const FilePath& file_path,
-                      const FilePath& new_file_path,
-                      fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-  virtual bool ReadDirectory(
-      const FilePath& directory_path,
-      fileapi::FileSystemCallbackDispatcher* dispatcher) = 0;
-
-  virtual base::PlatformFileError OpenModuleLocalFile(
-      const std::string& module_name,
-      const FilePath& path,
-      int flags,
-      base::PlatformFile* file) = 0;
-  virtual base::PlatformFileError RenameModuleLocalFile(
-      const std::string& module_name,
-      const FilePath& path_from,
-      const FilePath& path_to) = 0;
-  virtual base::PlatformFileError DeleteModuleLocalFileOrDir(
-      const std::string& module_name,
-      const FilePath& path,
-      bool recursive) = 0;
-  virtual base::PlatformFileError CreateModuleLocalDir(
-      const std::string& module_name,
-      const FilePath& path) = 0;
-  virtual base::PlatformFileError QueryModuleLocalFile(
-      const std::string& module_name,
-      const FilePath& path,
-      base::PlatformFileInfo* info) = 0;
-  virtual base::PlatformFileError GetModuleLocalDirContents(
-      const std::string& module_name,
-      const FilePath& path,
-      PepperDirContents* contents) = 0;
-
-  // Returns a MessageLoopProxy instance associated with the message loop
-  // of the file thread in this renderer.
-  virtual scoped_refptr<base::MessageLoopProxy>
-      GetFileThreadMessageLoopProxy() = 0;
-
-  // Create a fullscreen container for a plugin instance. This effectively
-  // switches the plugin to fullscreen.
-  virtual FullscreenContainer* CreateFullscreenContainer(
-      PluginInstance* instance) = 0;
-
-  // Returns a string with the name of the default 8-bit char encoding.
-  virtual std::string GetDefaultEncoding() = 0;
-
-  // Sets the mininum and maximium zoom factors.
-  virtual void ZoomLimitsChanged(double minimum_factor,
-                                 double maximum_factor) = 0;
-
-  // Retrieves the proxy information for the given URL in PAC format. On error,
-  // this will return an empty string.
-  virtual std::string ResolveProxy(const GURL& url) = 0;
-
-  // Tell the browser when resource loading starts/ends.
-  virtual void DidStartLoading() = 0;
-  virtual void DidStopLoading() = 0;
-
-  // Sets restrictions on how the content can be used (i.e. no print/copy).
-  virtual void SetContentRestriction(int restrictions) = 0;
-};
-
-}  // namespace pepper
-
-#endif  // WEBKIT_GLUE_PLUGINS_PEPPER_PLUGIN_DELEGATE_H_