nsGNOMEShellSearchProvider.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:expandtab:shiftwidth=2:tabstop=2:

*/

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef __nsGNOMEShellSearchProvider_h__

#define __nsGNOMEShellSearchProvider_h__

#include <gio/gio.h>

#include "mozilla/RefPtr.h"

#include "mozilla/GRefPtr.h"

#include "nsINavHistoryService.h"

#include "nsUnixRemoteServer.h"

#include "nsString.h"

#include "nsCOMPtr.h"

#include "mozilla/UniquePtr.h"

#include "nsGNOMEShellDBusHelper.h"

class nsGNOMEShellSearchProvider;

class GnomeHistoryIcon {

 public:

  GnomeHistoryIcon() : mTimeStamp(-1), mWidth(0), mHeight(0){};

  // From which search is this icon

  void Set(int aTimeStamp, mozilla::UniquePtr<uint8_t[]> aData, int aWidth,

           int aHeight) {

    mTimeStamp = aTimeStamp;

    mWidth = aWidth;

    mHeight = aHeight;

    mData = std::move(aData);

  bool IsLoaded() { return mData && mWidth > 0 && mHeight > 0; }

  int GetTimeStamp() { return mTimeStamp; }

  uint8_t* GetData() { return mData.get(); }

  int GetWidth() { return mWidth; }

  int GetHeight() { return mHeight; }

 private:

  int mTimeStamp;

  mozilla::UniquePtr<uint8_t[]> mData;

  int mWidth;

  int mHeight;

};

// nsGNOMEShellHistorySearchResult is a container with contains search results

// which are files asynchronously by nsGNOMEShellHistoryService.

// The search results can be opened by Firefox then.

class nsGNOMEShellHistorySearchResult : public nsUnixRemoteServer {

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsGNOMEShellHistorySearchResult)

  nsGNOMEShellHistorySearchResult(nsGNOMEShellSearchProvider* aSearchProvider,

                                  GDBusConnection* aConnection, int aTimeStamp)

      : mSearchProvider(aSearchProvider),

        mConnection(aConnection),

        mTimeStamp(aTimeStamp){};

  void SetReply(RefPtr<GDBusMethodInvocation> aReply) {

    mReply = std::move(aReply);

  void SetSearchTerm(const char* aSearchTerm) {

    mSearchTerm = nsAutoCString(aSearchTerm);

  GDBusConnection* GetDBusConnection() { return mConnection; }

  void SetTimeStamp(int aTimeStamp) { mTimeStamp = aTimeStamp; }

  int GetTimeStamp() { return mTimeStamp; }

  nsAutoCString& GetSearchTerm() { return mSearchTerm; }

  // Receive (asynchronously) history search results from history service.

  // This is called asynchronously by nsGNOMEShellHistoryService

  // when we have search results available.

  void ReceiveSearchResultContainer(

      nsCOMPtr<nsINavHistoryContainerResultNode> aHistResultContainer);

  nsCOMPtr<nsINavHistoryContainerResultNode> GetSearchResultContainer() {

    return mHistResultContainer;

  void HandleCommandLine(const char* aBuffer, uint32_t aTimestamp) {

    nsUnixRemoteServer::HandleCommandLine(aBuffer, aTimestamp);

  void SetHistoryIcon(int aTimeStamp, mozilla::UniquePtr<uint8_t[]> aData,

                      int aWidth, int aHeight, int aIconIndex);

  GnomeHistoryIcon* GetHistoryIcon(int aIconIndex);

 private:

  void HandleSearchResultReply();

  ~nsGNOMEShellHistorySearchResult() = default;

 private:

  nsGNOMEShellSearchProvider* mSearchProvider;

  nsCOMPtr<nsINavHistoryContainerResultNode> mHistResultContainer;

  nsAutoCString mSearchTerm;

  RefPtr<GDBusMethodInvocation> mReply;

  GDBusConnection* mConnection = nullptr;

  int mTimeStamp;

  GnomeHistoryIcon mHistoryIcons[MAX_SEARCH_RESULTS_NUM];

};

class nsGNOMEShellHistoryService {

 public:

  nsresult QueryHistory(RefPtr<nsGNOMEShellHistorySearchResult> aSearchResult);

 private:

  nsCOMPtr<nsINavHistoryService> mHistoryService;

};

class nsGNOMEShellSearchProvider {

 public:

  nsGNOMEShellSearchProvider()

      : mConnection(nullptr), mSearchResultTimeStamp(0) {}

  ~nsGNOMEShellSearchProvider() { Shutdown(); }

  nsresult Startup();

  void Shutdown();

  void UnregisterDBusInterface(GDBusConnection* aConnection);

  bool SetSearchResult(RefPtr<nsGNOMEShellHistorySearchResult> aSearchResult);

  void HandleSearchResultSet(GVariant* aParameters,

                             GDBusMethodInvocation* aInvocation,

                             bool aInitialSearch);

  void HandleResultMetas(GVariant* aParameters,

                         GDBusMethodInvocation* aInvocation);

  void ActivateResult(GVariant* aParameters,

                      GDBusMethodInvocation* aInvocation);

  void LaunchSearch(GVariant* aParameters, GDBusMethodInvocation* aInvocation);

  void OnBusAcquired(GDBusConnection* aConnection);

  void OnNameAcquired(GDBusConnection* aConnection);

  void OnNameLost(GDBusConnection* aConnection);

 private:

  // The connection is owned by DBus library

  uint mDBusID = 0;

  uint mRegistrationId = 0;

  GDBusConnection* mConnection = nullptr;

  RefPtr<GDBusNodeInfo> mIntrospectionData;

  RefPtr<nsGNOMEShellHistorySearchResult> mSearchResult;

  int mSearchResultTimeStamp;

};

nsGNOMEShellHistoryService* GetGNOMEShellHistoryService();

#endif  // __nsGNOMEShellSearchProvider_h__