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// 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 "base/strings/utf_string_conversions.h"
#include "content/public/browser/native_web_keyboard_event.h"
#include "content/public/common/web_preferences.h"
#include "content/public/test/render_view_test.h"
#include "content/renderer/render_view_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include <Carbon/Carbon.h> // for the kVK_* constants.
#include <Cocoa/Cocoa.h>
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, base::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, base::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, base::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, base::UTF16ToASCII(output));
}
} // namespace content
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