Source/WebKit2/UIProcess/API/efl/ewk_context.cpp - external/WebKit_submodule - Git at Google

 /*
  * Copyright (C) 2012 Samsung Electronics
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this program; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */

 #include "config.h"
 #include "ewk_context.h"

 #include "BatteryProvider.h"
 #include "NetworkInfoProvider.h"
 #include "VibrationProvider.h"
 #include "WKAPICast.h"
 #include "WKContextSoup.h"
 #include "WKNumber.h"
 #include "WKRetainPtr.h"
 #include "WKString.h"
 #include "WebContext.h"
 #include "ewk_context_download_client_private.h"
 #include "ewk_context_private.h"
 #include "ewk_context_request_manager_client_private.h"
 #include "ewk_cookie_manager_private.h"
 #include "ewk_download_job.h"
 #include "ewk_download_job_private.h"
 #include <WebCore/FileSystem.h>
 #include <wtf/HashMap.h>
 #include <wtf/text/WTFString.h>

 using namespace WebCore;
 using namespace WebKit;

 struct _Ewk_Url_Scheme_Handler {
     Ewk_Url_Scheme_Request_Cb callback;
     void* userData;

     _Ewk_Url_Scheme_Handler()
         : callback(0)
         , userData(0)
     { }

     _Ewk_Url_Scheme_Handler(Ewk_Url_Scheme_Request_Cb callback, void* userData)
         : callback(callback)
         , userData(userData)
     { }
 };

 typedef HashMap<String, _Ewk_Url_Scheme_Handler> URLSchemeHandlerMap;

 struct _Ewk_Context {
     unsigned __ref; /**< the reference count of the object */
     WKRetainPtr<WKContextRef> context;

     Ewk_Cookie_Manager* cookieManager;
 #if ENABLE(BATTERY_STATUS)
     RefPtr<BatteryProvider> batteryProvider;
 #endif
 #if ENABLE(NETWORK_INFO)
     RefPtr<NetworkInfoProvider> networkInfoProvider;
 #endif
 #if ENABLE(VIBRATION)
     RefPtr<VibrationProvider> vibrationProvider;
 #endif
     HashMap<uint64_t, Ewk_Download_Job*> downloadJobs;

     WKRetainPtr<WKSoupRequestManagerRef> requestManager;
     URLSchemeHandlerMap urlSchemeHandlers;

     _Ewk_Context(WKRetainPtr<WKContextRef> contextRef)
         : __ref(1)
         , context(contextRef)
         , cookieManager(0)
         , requestManager(WKContextGetSoupRequestManager(contextRef.get()))
     {
 #if ENABLE(BATTERY_STATUS)
         batteryProvider = BatteryProvider::create(context.get());
 #endif

 #if ENABLE(NETWORK_INFO)
         networkInfoProvider = NetworkInfoProvider::create(context.get());
 #endif

 #if ENABLE(VIBRATION)
         vibrationProvider = VibrationProvider::create(context.get());
 #endif

 #if ENABLE(MEMORY_SAMPLER)
         static bool initializeMemorySampler = false;
         static const char environmentVariable[] = "SAMPLE_MEMORY";

         if (!initializeMemorySampler && getenv(environmentVariable)) {
             WKRetainPtr<WKDoubleRef> interval(AdoptWK, WKDoubleCreate(0.0));
             WKContextStartMemorySampler(context.get(), interval.get());
             initializeMemorySampler = true;
         }
 #endif
         ewk_context_request_manager_client_attach(this);
         ewk_context_download_client_attach(this);
     }

     ~_Ewk_Context()
     {
         if (cookieManager)
             ewk_cookie_manager_free(cookieManager);

         HashMap<uint64_t, Ewk_Download_Job*>::iterator it = downloadJobs.begin();
         HashMap<uint64_t, Ewk_Download_Job*>::iterator end = downloadJobs.end();
         for ( ; it != end; ++it)
             ewk_download_job_unref(it->second);
     }
 };

 Ewk_Context* ewk_context_ref(Ewk_Context* ewkContext)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);
     ++ewkContext->__ref;

     return ewkContext;
 }

 void ewk_context_unref(Ewk_Context* ewkContext)
 {
     EINA_SAFETY_ON_NULL_RETURN(ewkContext);
     EINA_SAFETY_ON_FALSE_RETURN(ewkContext->__ref > 0);

     if (--ewkContext->__ref)
         return;

     delete ewkContext;
 }

 Ewk_Cookie_Manager* ewk_context_cookie_manager_get(const Ewk_Context* ewkContext)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);

     if (!ewkContext->cookieManager)
         const_cast<Ewk_Context*>(ewkContext)->cookieManager = ewk_cookie_manager_new(WKContextGetCookieManager(ewkContext->context.get()));

     return ewkContext->cookieManager;
 }

 WKContextRef ewk_context_WKContext_get(const Ewk_Context* ewkContext)
 {
     return ewkContext->context.get();
 }

 /**
  * @internal
  * Create Ewk_Context from WKContext.
  */
 Ewk_Context* ewk_context_new_from_WKContext(WKContextRef contextRef)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(contextRef, 0);

     return new Ewk_Context(contextRef);
 }

 /**
  * @internal
  * Registers that a new download has been requested.
  */
 void ewk_context_download_job_add(Ewk_Context* ewkContext, Ewk_Download_Job* ewkDownload)
 {
     EINA_SAFETY_ON_NULL_RETURN(ewkContext);
     EINA_SAFETY_ON_NULL_RETURN(ewkDownload);

     uint64_t downloadId = ewk_download_job_id_get(ewkDownload);
     if (ewkContext->downloadJobs.contains(downloadId))
         return;

     ewkContext->downloadJobs.add(downloadId, ewk_download_job_ref(ewkDownload));
 }

 /**
  * @internal
  * Returns the #Ewk_Download_Job with the given @a downloadId, or
  * @c 0 in case of failure.
  */
 Ewk_Download_Job* ewk_context_download_job_get(const Ewk_Context* ewkContext, uint64_t downloadId)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);

     return ewkContext->downloadJobs.get(downloadId);
 }

 /**
  * @internal
  * Removes the #Ewk_Download_Job with the given @a downloadId from the internal
  * HashMap.
  */
 void ewk_context_download_job_remove(Ewk_Context* ewkContext, uint64_t downloadId)
 {
     EINA_SAFETY_ON_NULL_RETURN(ewkContext);
     Ewk_Download_Job* download = ewkContext->downloadJobs.take(downloadId);
     if (download)
         ewk_download_job_unref(download);
 }

 /**
  * Retrieve the request manager for @a ewkContext.
  *
  * @param ewkContext a #Ewk_Context object.
  */
 WKSoupRequestManagerRef ewk_context_request_manager_get(const Ewk_Context* ewkContext)
 {
     return ewkContext->requestManager.get();
 }

 /**
  * @internal
  * A new URL request was received.
  *
  * @param ewkContext a #Ewk_Context object.
  * @param schemeRequest a #Ewk_Url_Scheme_Request object.
  */
 void ewk_context_url_scheme_request_received(Ewk_Context* ewkContext, Ewk_Url_Scheme_Request* schemeRequest)
 {
     EINA_SAFETY_ON_NULL_RETURN(ewkContext);
     EINA_SAFETY_ON_NULL_RETURN(schemeRequest);

     _Ewk_Url_Scheme_Handler handler = ewkContext->urlSchemeHandlers.get(ewk_url_scheme_request_scheme_get(schemeRequest));
     if (!handler.callback)
         return;

     handler.callback(schemeRequest, handler.userData);
 }

 Ewk_Context* ewk_context_default_get()
 {
     static Ewk_Context defaultContext(adoptWK(WKContextCreate()));

     return &defaultContext;
 }

 Ewk_Context* ewk_context_new()
 {
     return new Ewk_Context(adoptWK(WKContextCreate()));
 }

 Ewk_Context* ewk_context_new_with_injected_bundle_path(const char* path)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(path, 0);

     WKRetainPtr<WKStringRef> pathRef(AdoptWK, WKStringCreateWithUTF8CString(path));
     if (!fileExists(toImpl(pathRef.get())->string()))
         return 0;

     return new Ewk_Context(adoptWK(WKContextCreateWithInjectedBundlePath(pathRef.get())));
 }

 Eina_Bool ewk_context_uri_scheme_register(Ewk_Context* ewkContext, const char* scheme, Ewk_Url_Scheme_Request_Cb callback, void* userData)
 {
     EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, false);
     EINA_SAFETY_ON_NULL_RETURN_VAL(scheme, false);
     EINA_SAFETY_ON_NULL_RETURN_VAL(callback, false);

     ewkContext->urlSchemeHandlers.set(String::fromUTF8(scheme), _Ewk_Url_Scheme_Handler(callback, userData));
     WKRetainPtr<WKStringRef> wkScheme(AdoptWK, WKStringCreateWithUTF8CString(scheme));
     WKSoupRequestManagerRegisterURIScheme(ewkContext->requestManager.get(), wkScheme.get());

     return true;
 }

 void ewk_context_vibration_client_callbacks_set(Ewk_Context* ewkContext, Ewk_Vibration_Client_Vibrate_Cb vibrate, Ewk_Vibration_Client_Vibration_Cancel_Cb cancel, void* data)
 {
     EINA_SAFETY_ON_NULL_RETURN(ewkContext);

 #if ENABLE(VIBRATION)
     ewkContext->vibrationProvider->setVibrationClientCallbacks(vibrate, cancel, data);
 #endif
 }
	/*
	* Copyright (C) 2012 Samsung Electronics
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Library General Public
	* License as published by the Free Software Foundation; either
	* version 2 of the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Library General Public License for more details.
	*
	* You should have received a copy of the GNU Library General Public License
	* along with this program; see the file COPYING.LIB. If not, write to
	* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	* Boston, MA 02110-1301, USA.
	*
	*/

	#include "config.h"
	#include "ewk_context.h"

	#include "BatteryProvider.h"
	#include "NetworkInfoProvider.h"
	#include "VibrationProvider.h"
	#include "WKAPICast.h"
	#include "WKContextSoup.h"
	#include "WKNumber.h"
	#include "WKRetainPtr.h"
	#include "WKString.h"
	#include "WebContext.h"
	#include "ewk_context_download_client_private.h"
	#include "ewk_context_private.h"
	#include "ewk_context_request_manager_client_private.h"
	#include "ewk_cookie_manager_private.h"
	#include "ewk_download_job.h"
	#include "ewk_download_job_private.h"
	#include <WebCore/FileSystem.h>
	#include <wtf/HashMap.h>
	#include <wtf/text/WTFString.h>

	using namespace WebCore;
	using namespace WebKit;

	struct _Ewk_Url_Scheme_Handler {
	Ewk_Url_Scheme_Request_Cb callback;
	void* userData;

	_Ewk_Url_Scheme_Handler()
	: callback(0)
	, userData(0)
	{ }

	_Ewk_Url_Scheme_Handler(Ewk_Url_Scheme_Request_Cb callback, void* userData)
	: callback(callback)
	, userData(userData)
	{ }
	};

	typedef HashMap<String, _Ewk_Url_Scheme_Handler> URLSchemeHandlerMap;

	struct _Ewk_Context {
	unsigned __ref; /*< the reference count of the object /
	WKRetainPtr<WKContextRef> context;

	Ewk_Cookie_Manager* cookieManager;
	#if ENABLE(BATTERY_STATUS)
	RefPtr<BatteryProvider> batteryProvider;
	#endif
	#if ENABLE(NETWORK_INFO)
	RefPtr<NetworkInfoProvider> networkInfoProvider;
	#endif
	#if ENABLE(VIBRATION)
	RefPtr<VibrationProvider> vibrationProvider;
	#endif
	HashMap<uint64_t, Ewk_Download_Job*> downloadJobs;

	WKRetainPtr<WKSoupRequestManagerRef> requestManager;
	URLSchemeHandlerMap urlSchemeHandlers;

	_Ewk_Context(WKRetainPtr<WKContextRef> contextRef)
	: __ref(1)
	, context(contextRef)
	, cookieManager(0)
	, requestManager(WKContextGetSoupRequestManager(contextRef.get()))
	{
	#if ENABLE(BATTERY_STATUS)
	batteryProvider = BatteryProvider::create(context.get());
	#endif

	#if ENABLE(NETWORK_INFO)
	networkInfoProvider = NetworkInfoProvider::create(context.get());
	#endif

	#if ENABLE(VIBRATION)
	vibrationProvider = VibrationProvider::create(context.get());
	#endif

	#if ENABLE(MEMORY_SAMPLER)
	static bool initializeMemorySampler = false;
	static const char environmentVariable[] = "SAMPLE_MEMORY";

	if (!initializeMemorySampler && getenv(environmentVariable)) {
	WKRetainPtr<WKDoubleRef> interval(AdoptWK, WKDoubleCreate(0.0));
	WKContextStartMemorySampler(context.get(), interval.get());
	initializeMemorySampler = true;
	}
	#endif
	ewk_context_request_manager_client_attach(this);
	ewk_context_download_client_attach(this);
	}

	~_Ewk_Context()
	{
	if (cookieManager)
	ewk_cookie_manager_free(cookieManager);

	HashMap<uint64_t, Ewk_Download_Job*>::iterator it = downloadJobs.begin();
	HashMap<uint64_t, Ewk_Download_Job*>::iterator end = downloadJobs.end();
	for ( ; it != end; ++it)
	ewk_download_job_unref(it->second);
	}
	};

	Ewk_Context* ewk_context_ref(Ewk_Context* ewkContext)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);
	++ewkContext->__ref;

	return ewkContext;
	}

	void ewk_context_unref(Ewk_Context* ewkContext)
	{
	EINA_SAFETY_ON_NULL_RETURN(ewkContext);
	EINA_SAFETY_ON_FALSE_RETURN(ewkContext->__ref > 0);

	if (--ewkContext->__ref)
	return;

	delete ewkContext;
	}

	Ewk_Cookie_Manager* ewk_context_cookie_manager_get(const Ewk_Context* ewkContext)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);

	if (!ewkContext->cookieManager)
	const_cast<Ewk_Context*>(ewkContext)->cookieManager = ewk_cookie_manager_new(WKContextGetCookieManager(ewkContext->context.get()));

	return ewkContext->cookieManager;
	}

	WKContextRef ewk_context_WKContext_get(const Ewk_Context* ewkContext)
	{
	return ewkContext->context.get();
	}

	/**
	* @internal
	* Create Ewk_Context from WKContext.
	*/
	Ewk_Context* ewk_context_new_from_WKContext(WKContextRef contextRef)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(contextRef, 0);

	return new Ewk_Context(contextRef);
	}

	/**
	* @internal
	* Registers that a new download has been requested.
	*/
	void ewk_context_download_job_add(Ewk_Context* ewkContext, Ewk_Download_Job* ewkDownload)
	{
	EINA_SAFETY_ON_NULL_RETURN(ewkContext);
	EINA_SAFETY_ON_NULL_RETURN(ewkDownload);

	uint64_t downloadId = ewk_download_job_id_get(ewkDownload);
	if (ewkContext->downloadJobs.contains(downloadId))
	return;

	ewkContext->downloadJobs.add(downloadId, ewk_download_job_ref(ewkDownload));
	}

	/**
	* @internal
	* Returns the #Ewk_Download_Job with the given @a downloadId, or
	* @c 0 in case of failure.
	*/
	Ewk_Download_Job* ewk_context_download_job_get(const Ewk_Context* ewkContext, uint64_t downloadId)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, 0);

	return ewkContext->downloadJobs.get(downloadId);
	}

	/**
	* @internal
	* Removes the #Ewk_Download_Job with the given @a downloadId from the internal
	* HashMap.
	*/
	void ewk_context_download_job_remove(Ewk_Context* ewkContext, uint64_t downloadId)
	{
	EINA_SAFETY_ON_NULL_RETURN(ewkContext);
	Ewk_Download_Job* download = ewkContext->downloadJobs.take(downloadId);
	if (download)
	ewk_download_job_unref(download);
	}

	/**
	* Retrieve the request manager for @a ewkContext.
	*
	* @param ewkContext a #Ewk_Context object.
	*/
	WKSoupRequestManagerRef ewk_context_request_manager_get(const Ewk_Context* ewkContext)
	{
	return ewkContext->requestManager.get();
	}

	/**
	* @internal
	* A new URL request was received.
	*
	* @param ewkContext a #Ewk_Context object.
	* @param schemeRequest a #Ewk_Url_Scheme_Request object.
	*/
	void ewk_context_url_scheme_request_received(Ewk_Context* ewkContext, Ewk_Url_Scheme_Request* schemeRequest)
	{
	EINA_SAFETY_ON_NULL_RETURN(ewkContext);
	EINA_SAFETY_ON_NULL_RETURN(schemeRequest);

	_Ewk_Url_Scheme_Handler handler = ewkContext->urlSchemeHandlers.get(ewk_url_scheme_request_scheme_get(schemeRequest));
	if (!handler.callback)
	return;

	handler.callback(schemeRequest, handler.userData);
	}

	Ewk_Context* ewk_context_default_get()
	{
	static Ewk_Context defaultContext(adoptWK(WKContextCreate()));

	return &defaultContext;
	}

	Ewk_Context* ewk_context_new()
	{
	return new Ewk_Context(adoptWK(WKContextCreate()));
	}

	Ewk_Context* ewk_context_new_with_injected_bundle_path(const char* path)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(path, 0);

	WKRetainPtr<WKStringRef> pathRef(AdoptWK, WKStringCreateWithUTF8CString(path));
	if (!fileExists(toImpl(pathRef.get())->string()))
	return 0;

	return new Ewk_Context(adoptWK(WKContextCreateWithInjectedBundlePath(pathRef.get())));
	}

	Eina_Bool ewk_context_uri_scheme_register(Ewk_Context* ewkContext, const char* scheme, Ewk_Url_Scheme_Request_Cb callback, void* userData)
	{
	EINA_SAFETY_ON_NULL_RETURN_VAL(ewkContext, false);
	EINA_SAFETY_ON_NULL_RETURN_VAL(scheme, false);
	EINA_SAFETY_ON_NULL_RETURN_VAL(callback, false);

	ewkContext->urlSchemeHandlers.set(String::fromUTF8(scheme), _Ewk_Url_Scheme_Handler(callback, userData));
	WKRetainPtr<WKStringRef> wkScheme(AdoptWK, WKStringCreateWithUTF8CString(scheme));
	WKSoupRequestManagerRegisterURIScheme(ewkContext->requestManager.get(), wkScheme.get());

	return true;
	}

	void ewk_context_vibration_client_callbacks_set(Ewk_Context* ewkContext, Ewk_Vibration_Client_Vibrate_Cb vibrate, Ewk_Vibration_Client_Vibration_Cancel_Cb cancel, void* data)
	{
	EINA_SAFETY_ON_NULL_RETURN(ewkContext);

	#if ENABLE(VIBRATION)
	ewkContext->vibrationProvider->setVibrationClientCallbacks(vibrate, cancel, data);
	#endif
	}