1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (c) 2012 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.
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/test/render_view_test.h"
#include "content/renderer/render_view_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webkit/common/webpreferences.h"
#include <Cocoa/Cocoa.h>
#include <Carbon/Carbon.h> // for the kVK_* constants.
namespace content {
NSEvent* CmdDeadKeyEvent(NSEventType type, unsigned short code) {
UniChar uniChar = 0;
switch(code) {
case kVK_UpArrow:
uniChar = NSUpArrowFunctionKey;
break;
case kVK_DownArrow:
uniChar = NSDownArrowFunctionKey;
break;
default:
CHECK(false);
}
NSString* s = [NSString stringWithFormat:@"%C", uniChar];
return [NSEvent keyEventWithType:type
location:NSZeroPoint
modifierFlags:NSCommandKeyMask
timestamp:0.0
windowNumber:0
context:nil
characters:s
charactersIgnoringModifiers:s
isARepeat:NO
keyCode:code];
}
// Test that cmd-up/down scrolls the page exactly if it is not intercepted by
// javascript.
TEST_F(RenderViewTest, MacTestCmdUp) {
// Some preprocessor trickery so that we can have literal html in our source,
// makes it easier to copy html to and from an html file for testing (the
// preprocessor will remove the newlines at the line ends, turning this into
// a single long line).
#define HTML(s) #s
const char* kRawHtml = HTML(
<!DOCTYPE html>
<style>
/* Add a vertical scrollbar */
body { height: 10128px; }
</style>
<div id='keydown'></div>
<div id='scroll'></div>
<script>
var allowKeyEvents = true;
var scroll = document.getElementById('scroll');
var result = document.getElementById('keydown');
onkeydown = function(event) {
result.textContent =
event.keyCode + ',' +
event.shiftKey + ',' +
event.ctrlKey + ',' +
event.metaKey + ',' +
event.altKey;
return allowKeyEvents;
}
</script>
<!--
TODO(esprehn): For some strange reason we need a non-empty document for
scrolling to work. This is not the case in a real browser only in the test.
-->
<p>p1
);
#undef HTML
WebPreferences prefs;
prefs.enable_scroll_animator = false;
RenderViewImpl* view = static_cast<RenderViewImpl*>(view_);
view->OnUpdateWebPreferences(prefs);
const int kMaxOutputCharacters = 1024;
base::string16 output;
NSEvent* arrowDownKeyDown = CmdDeadKeyEvent(NSKeyDown, kVK_DownArrow);
NSEvent* arrowUpKeyDown = CmdDeadKeyEvent(NSKeyDown, kVK_UpArrow);
// First test when javascript does not eat keypresses -- should scroll.
view->set_send_content_state_immediately(true);
LoadHTML(kRawHtml);
render_thread_->sink().ClearMessages();
const char* kArrowDownScrollDown = "40,false,false,true,false\n10144\np1";
view->OnSetEditCommandsForNextKeyEvent(
EditCommands(1, EditCommand("moveToEndOfDocument", "")));
SendNativeKeyEvent(NativeWebKeyboardEvent(arrowDownKeyDown));
ProcessPendingMessages();
ExecuteJavaScript("scroll.textContent = window.pageYOffset");
output = GetMainFrame()->contentAsText(kMaxOutputCharacters);
EXPECT_EQ(kArrowDownScrollDown, UTF16ToASCII(output));
const char* kArrowUpScrollUp = "38,false,false,true,false\n0\np1";
view->OnSetEditCommandsForNextKeyEvent(
EditCommands(1, EditCommand("moveToBeginningOfDocument", "")));
SendNativeKeyEvent(NativeWebKeyboardEvent(arrowUpKeyDown));
ProcessPendingMessages();
ExecuteJavaScript("scroll.textContent = window.pageYOffset");
output = GetMainFrame()->contentAsText(kMaxOutputCharacters);
EXPECT_EQ(kArrowUpScrollUp, UTF16ToASCII(output));
// Now let javascript eat the key events -- no scrolling should happen.
// Set a scroll position slightly down the page to ensure that it does not
// move.
ExecuteJavaScript("allowKeyEvents = false; window.scrollTo(0, 100)");
const char* kArrowDownNoScroll = "40,false,false,true,false\n100\np1";
view->OnSetEditCommandsForNextKeyEvent(
EditCommands(1, EditCommand("moveToEndOfDocument", "")));
SendNativeKeyEvent(NativeWebKeyboardEvent(arrowDownKeyDown));
ProcessPendingMessages();
ExecuteJavaScript("scroll.textContent = window.pageYOffset");
output = GetMainFrame()->contentAsText(kMaxOutputCharacters);
EXPECT_EQ(kArrowDownNoScroll, UTF16ToASCII(output));
const char* kArrowUpNoScroll = "38,false,false,true,false\n100\np1";
view->OnSetEditCommandsForNextKeyEvent(
EditCommands(1, EditCommand("moveToBeginningOfDocument", "")));
SendNativeKeyEvent(NativeWebKeyboardEvent(arrowUpKeyDown));
ProcessPendingMessages();
ExecuteJavaScript("scroll.textContent = window.pageYOffset");
output = GetMainFrame()->contentAsText(kMaxOutputCharacters);
EXPECT_EQ(kArrowUpNoScroll, UTF16ToASCII(output));
}
} // namespace content
|
