mirror of
https://github.com/mozilla/gecko-dev.git
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158 lines
4.3 KiB
C++
158 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:cin:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsLocalHandlerApp.h"
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#include "nsIURI.h"
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#include "nsIProcess.h"
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// XXX why does nsMIMEInfoImpl have a threadsafe nsISupports? do we need one
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// here too?
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NS_IMPL_ISUPPORTS(nsLocalHandlerApp, nsILocalHandlerApp, nsIHandlerApp)
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////////////////////////////////////////////////////////////////////////////////
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//// nsIHandlerApp
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NS_IMETHODIMP nsLocalHandlerApp::GetName(nsAString& aName) {
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if (mName.IsEmpty() && mExecutable) {
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// Don't want to cache this, just in case someone resets the app
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// without changing the description....
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mExecutable->GetLeafName(aName);
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} else {
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aName.Assign(mName);
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsLocalHandlerApp::SetName(const nsAString& aName) {
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mName.Assign(aName);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::SetDetailedDescription(const nsAString& aDescription) {
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mDetailedDescription.Assign(aDescription);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::GetDetailedDescription(nsAString& aDescription) {
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aDescription.Assign(mDetailedDescription);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::Equals(nsIHandlerApp* aHandlerApp, bool* _retval) {
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NS_ENSURE_ARG_POINTER(aHandlerApp);
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*_retval = false;
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// If the handler app isn't a local handler app, then it's not the same app.
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nsCOMPtr<nsILocalHandlerApp> localHandlerApp = do_QueryInterface(aHandlerApp);
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if (!localHandlerApp) return NS_OK;
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// If either handler app doesn't have an executable, then they aren't
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// the same app.
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nsCOMPtr<nsIFile> executable;
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nsresult rv = localHandlerApp->GetExecutable(getter_AddRefs(executable));
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if (NS_FAILED(rv)) return rv;
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// Equality for two empty nsIHandlerApp
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if (!executable && !mExecutable) {
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*_retval = true;
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return NS_OK;
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}
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// At least one is set so they are not equal
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if (!mExecutable || !executable) return NS_OK;
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// Check the command line parameter list lengths
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uint32_t len;
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localHandlerApp->GetParameterCount(&len);
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if (mParameters.Length() != len) return NS_OK;
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// Check the command line params lists
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for (uint32_t idx = 0; idx < mParameters.Length(); idx++) {
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nsAutoString param;
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if (NS_FAILED(localHandlerApp->GetParameter(idx, param)) ||
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!param.Equals(mParameters[idx]))
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return NS_OK;
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}
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return executable->Equals(mExecutable, _retval);
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::LaunchWithURI(
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nsIURI* aURI, mozilla::dom::BrowsingContext* aBrowsingContext) {
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// pass the entire URI to the handler.
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nsAutoCString spec;
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aURI->GetAsciiSpec(spec);
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return LaunchWithIProcess(spec);
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}
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nsresult nsLocalHandlerApp::LaunchWithIProcess(const nsCString& aArg) {
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nsresult rv;
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nsCOMPtr<nsIProcess> process = do_CreateInstance(NS_PROCESS_CONTRACTID, &rv);
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if (NS_FAILED(rv)) return rv;
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if (NS_FAILED(rv = process->Init(mExecutable))) return rv;
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const char* string = aArg.get();
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return process->Run(false, &string, 1);
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}
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////////////////////////////////////////////////////////////////////////////////
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//// nsILocalHandlerApp
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NS_IMETHODIMP
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nsLocalHandlerApp::GetExecutable(nsIFile** aExecutable) {
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NS_IF_ADDREF(*aExecutable = mExecutable);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::SetExecutable(nsIFile* aExecutable) {
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mExecutable = aExecutable;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::GetParameterCount(uint32_t* aParameterCount) {
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*aParameterCount = mParameters.Length();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::ClearParameters() {
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mParameters.Clear();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::AppendParameter(const nsAString& aParam) {
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mParameters.AppendElement(aParam);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::GetParameter(uint32_t parameterIndex, nsAString& _retval) {
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if (mParameters.Length() <= parameterIndex) return NS_ERROR_INVALID_ARG;
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_retval.Assign(mParameters[parameterIndex]);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsLocalHandlerApp::ParameterExists(const nsAString& aParam, bool* _retval) {
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*_retval = mParameters.Contains(aParam);
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return NS_OK;
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}
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