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// Copyright (c) 2011 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 CHROME_DEFAULT_PLUGIN_PLUGIN_IMPL_AURA_H_
#define CHROME_DEFAULT_PLUGIN_PLUGIN_IMPL_AURA_H_
#pragma once
#include <string>
#include "chrome/default_plugin/plugin_installer_base.h"
#include "third_party/npapi/bindings/npapi.h"
#include "ui/gfx/native_widget_types.h"
// Provides the plugin installation functionality. This class is
// instantiated with the information like the mime type of the
// target plugin, the display mode, etc.
class PluginInstallerImpl : public PluginInstallerBase {
public:
// mode is the plugin instantiation mode, i.e. whether it is a full
// page plugin (NP_FULL) or an embedded plugin (NP_EMBED)
explicit PluginInstallerImpl(int16 mode);
virtual ~PluginInstallerImpl();
// Initializes the plugin with the instance information, mime type
// and the list of parameters passed down to the plugin from the webpage.
//
// Parameters:
// module_handle
// The handle to the dll in which this object is instantiated.
// instance
// The plugins opaque instance handle.
// mime_type
// Identifies the third party plugin which would be eventually installed.
// argc
// Indicates the count of arguments passed in from the webpage.
// argv
// Pointer to the arguments.
// Returns true on success.
bool Initialize(void* module_handle, NPP instance, NPMIMEType mime_type,
int16 argc, char* argn[], char* argv[]);
// Informs the plugin of its window information.
//
// Parameters:
// window_info
// The window info passed to npapi.
bool NPP_SetWindow(NPWindow* window_info);
// Destroys the install dialog.
void Shutdown();
// Starts plugin download. Spawns the plugin installer after it is
// downloaded.
void DownloadPlugin();
// Indicates that the plugin download was cancelled.
void DownloadCancelled();
// Initializes the plugin download stream.
//
// Parameters:
// stream
// Pointer to the new stream being created.
void NewStream(NPStream* stream);
// Uninitializes the plugin download stream.
//
// Parameters:
// stream
// Pointer to the stream being destroyed.
// reason
// Indicates why the stream is being destroyed.
//
void DestroyStream(NPStream* stream, NPError reason);
// Determines whether the plugin is ready to accept data.
// We only accept data when we have initiated a download for the plugin
// database.
//
// Parameters:
// stream
// Pointer to the stream being destroyed.
// Returns true if the plugin is ready to accept data.
bool WriteReady(NPStream* stream);
// Delivers data to the plugin instance.
//
// Parameters:
// stream
// Pointer to the stream being destroyed.
// offset
// Indicates the data offset.
// buffer_length
// Indicates the length of the data buffer.
// buffer
// Pointer to the actual buffer.
// Returns the number of bytes actually written, 0 on error.
int32 Write(NPStream* stream, int32 offset, int32 buffer_length,
void* buffer);
// Handles notifications received in response to GetURLNotify calls issued
// by the plugin.
//
// Parameters:
// url
// Pointer to the URL.
// reason
// Describes why the notification was sent.
void URLNotify(const char* url, NPReason reason);
// Used by the renderer to pass events (for e.g. input events) to the plugin.
int16 NPP_HandleEvent(void* event);
private:
DISALLOW_COPY_AND_ASSIGN(PluginInstallerImpl);
};
#endif // CHROME_DEFAULT_PLUGIN_PLUGIN_IMPL_AURA_H_
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