1/*
2 * Copyright (C) 2010 Stephan A��mus <superstippi@gmx.de>
3 *
4 * All rights reserved. Distributed under the terms of the MIT License.
5 */
6#include "AuthenticationPanel.h"
7
8#include <Button.h>
9#include <Catalog.h>
10#include <CheckBox.h>
11#include <ControlLook.h>
12#include <GridLayoutBuilder.h>
13#include <GroupLayoutBuilder.h>
14#include <Locale.h>
15#include <Message.h>
16#include <Screen.h>
17#include <SeparatorView.h>
18#include <SpaceLayoutItem.h>
19#include <StringView.h>
20#include <TextControl.h>
21#include <stdio.h>
22
23static const uint32 kMsgPanelOK = 'pnok';
24static const uint32 kMsgJitter = 'jitr';
25static const uint32 kHidePassword = 'hdpw';
26
27
28#undef B_TRANSLATION_CONTEXT
29#define B_TRANSLATION_CONTEXT "Authentication Panel"
30
31AuthenticationPanel::AuthenticationPanel(BRect parentFrame)
32	:
33	BWindow(BRect(-1000, -1000, -900, -900),
34		B_TRANSLATE("Authentication required"), B_TITLED_WINDOW_LOOK,
35		B_MODAL_APP_WINDOW_FEEL, B_ASYNCHRONOUS_CONTROLS | B_NOT_RESIZABLE
36			| B_NOT_ZOOMABLE | B_CLOSE_ON_ESCAPE | B_AUTO_UPDATE_SIZE_LIMITS),
37	m_parentWindowFrame(parentFrame),
38	m_usernameTextControl(new BTextControl("user", B_TRANSLATE("Username:"),
39		"", NULL)),
40	m_passwordTextControl(new BTextControl("pass", B_TRANSLATE("Password:"),
41		"", NULL)),
42	m_hidePasswordCheckBox(new BCheckBox("hide", B_TRANSLATE("Hide password "
43		"text"), new BMessage(kHidePassword))),
44	m_rememberCredentialsCheckBox(new BCheckBox("remember",
45		B_TRANSLATE("Remember username and password for this site"), NULL)),
46	m_okButton(new BButton("ok", B_TRANSLATE("OK"),
47		new BMessage(kMsgPanelOK))),
48	m_cancelButton(new BButton("cancel", B_TRANSLATE("Cancel"),
49		new BMessage(B_QUIT_REQUESTED))),
50	m_cancelled(false),
51	m_exitSemaphore(create_sem(0, "Authentication Panel"))
52{
53}
54
55
56AuthenticationPanel::~AuthenticationPanel()
57{
58	delete_sem(m_exitSemaphore);
59}
60
61
62bool
63AuthenticationPanel::QuitRequested()
64{
65	m_cancelled = true;
66	release_sem(m_exitSemaphore);
67	return false;
68}
69
70
71void
72AuthenticationPanel::MessageReceived(BMessage* message)
73{
74	switch (message->what) {
75	case kMsgPanelOK:
76		release_sem(m_exitSemaphore);
77		break;
78	case kHidePassword: {
79		// TODO: Toggling this is broken in BTextView. Workaround is to
80		// set the text and selection again.
81		BString text = m_passwordTextControl->Text();
82		int32 selectionStart;
83		int32 selectionEnd;
84		m_passwordTextControl->TextView()->GetSelection(&selectionStart,
85			&selectionEnd);
86		m_passwordTextControl->TextView()->HideTyping(
87			m_hidePasswordCheckBox->Value() == B_CONTROL_ON);
88		m_passwordTextControl->SetText(text.String());
89		m_passwordTextControl->TextView()->Select(selectionStart,
90			selectionEnd);
91		break;
92	}
93	case kMsgJitter: {
94		UpdateIfNeeded();
95		BPoint leftTop = Frame().LeftTop();
96		const float jitterOffsets[] = { -10, 0, 10, 0 };
97		const int32 jitterOffsetCount = sizeof(jitterOffsets) / sizeof(float);
98		for (int32 i = 0; i < 20; i++) {
99			float offset = jitterOffsets[i % jitterOffsetCount];
100			MoveTo(leftTop.x + offset, leftTop.y);
101			snooze(15000);
102		}
103		MoveTo(leftTop);
104		break;
105	}
106	default:
107		BWindow::MessageReceived(message);
108	}
109}
110
111
112bool AuthenticationPanel::getAuthentication(const BString& text,
113	const BString& previousUser, const BString& previousPass,
114	bool previousRememberCredentials, bool badPassword,
115	BString& user, BString&  pass, bool* rememberCredentials)
116{
117	// Configure panel and layout controls.
118	rgb_color infoColor = ui_color(B_PANEL_TEXT_COLOR);
119	BRect textBounds(0, 0, 250, 200);
120	BTextView* textView = new BTextView(textBounds, "text", textBounds,
121		be_plain_font, &infoColor, B_FOLLOW_NONE, B_WILL_DRAW
122			| B_SUPPORTS_LAYOUT);
123	textView->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
124	textView->SetText(text.String());
125	textView->MakeEditable(false);
126	textView->MakeSelectable(false);
127
128	m_usernameTextControl->SetText(previousUser.String());
129	m_passwordTextControl->TextView()->HideTyping(true);
130	// Ignore the previous password, if it didn't work.
131	if (!badPassword)
132		m_passwordTextControl->SetText(previousPass.String());
133	m_hidePasswordCheckBox->SetValue(B_CONTROL_ON);
134	m_rememberCredentialsCheckBox->SetValue(previousRememberCredentials);
135
136	// create layout
137	SetLayout(new BGroupLayout(B_VERTICAL, 0.0));
138	float spacing = be_control_look->DefaultItemSpacing();
139	AddChild(BGroupLayoutBuilder(B_VERTICAL, 0.0)
140		.Add(BGridLayoutBuilder(0, spacing)
141			.Add(textView, 0, 0, 2)
142			.Add(m_usernameTextControl->CreateLabelLayoutItem(), 0, 1)
143			.Add(m_usernameTextControl->CreateTextViewLayoutItem(), 1, 1)
144			.Add(m_passwordTextControl->CreateLabelLayoutItem(), 0, 2)
145			.Add(m_passwordTextControl->CreateTextViewLayoutItem(), 1, 2)
146			.Add(BSpaceLayoutItem::CreateGlue(), 0, 3)
147			.Add(m_hidePasswordCheckBox, 1, 3)
148			.Add(m_rememberCredentialsCheckBox, 0, 4, 2)
149			.SetInsets(spacing, spacing, spacing, spacing)
150		)
151		.Add(new BSeparatorView(B_HORIZONTAL, B_PLAIN_BORDER))
152		.Add(BGroupLayoutBuilder(B_HORIZONTAL, spacing)
153			.AddGlue()
154			.Add(m_cancelButton)
155			.Add(m_okButton)
156			.SetInsets(spacing, spacing, spacing, spacing)
157		)
158	);
159
160	float textHeight = textView->LineHeight(0) * textView->CountLines();
161	textView->SetExplicitMinSize(BSize(B_SIZE_UNSET, textHeight));
162
163	SetDefaultButton(m_okButton);
164	if (badPassword && previousUser.Length())
165		m_passwordTextControl->MakeFocus(true);
166	else
167		m_usernameTextControl->MakeFocus(true);
168
169	if (m_parentWindowFrame.IsValid())
170		CenterIn(m_parentWindowFrame);
171	else
172		CenterOnScreen();
173
174	// Start AuthenticationPanel window thread
175	Show();
176
177	// Let the window jitter, if the previous password was invalid
178	if (badPassword)
179		PostMessage(kMsgJitter);
180
181	// Block calling thread
182	// Get the originating window, if it exists, to let it redraw itself.
183	BWindow* window = dynamic_cast<BWindow*>
184		(BLooper::LooperForThread(find_thread(NULL)));
185	if (window) {
186		status_t err;
187		for (;;) {
188			do {
189				err = acquire_sem_etc(m_exitSemaphore, 1, B_RELATIVE_TIMEOUT,
190					10000);
191				// We've (probably) had our time slice taken away from us
192			} while (err == B_INTERRUPTED);
193
194			if (err != B_TIMED_OUT) {
195				// Semaphore was finally released or nuked.
196				break;
197			}
198			window->UpdateIfNeeded();
199		}
200	} else {
201		// No window to update, so just hang out until we're done.
202		while (acquire_sem(m_exitSemaphore) == B_INTERRUPTED) {
203		}
204	}
205
206	// AuthenticationPanel wants to quit.
207	Lock();
208
209	user = m_usernameTextControl->Text();
210	pass = m_passwordTextControl->Text();
211	if (rememberCredentials)
212		*rememberCredentials = m_rememberCredentialsCheckBox->Value()
213			== B_CONTROL_ON;
214
215	bool canceled = m_cancelled;
216	Quit();
217	// AuthenticationPanel object is TOAST here.
218	return !canceled;
219}
220