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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.
// This file defines helper functions shared by the various implementations
// of OmniboxView.
#include "chrome/browser/ui/omnibox/omnibox_view.h"
#include "base/string_util.h"
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "ui/base/clipboard/clipboard.h"
string16 OmniboxView::StripJavascriptSchemas(const string16& text) {
const string16 kJsPrefix(ASCIIToUTF16(chrome::kJavaScriptScheme) +
ASCIIToUTF16(":"));
string16 out(text);
while (StartsWith(out, kJsPrefix, false))
TrimWhitespace(out.substr(kJsPrefix.length()), TRIM_LEADING, &out);
return out;
}
// static
string16 OmniboxView::GetClipboardText() {
// Try text format.
ui::Clipboard* clipboard = g_browser_process->clipboard();
if (clipboard->IsFormatAvailable(ui::Clipboard::GetPlainTextWFormatType(),
ui::Clipboard::BUFFER_STANDARD)) {
string16 text;
clipboard->ReadText(ui::Clipboard::BUFFER_STANDARD, &text);
// Note: Unlike in the find popup and textfield view, here we completely
// remove whitespace strings containing newlines. We assume users are
// most likely pasting in URLs that may have been split into multiple
// lines in terminals, email programs, etc., and so linebreaks indicate
// completely bogus whitespace that would just cause the input to be
// invalid.
return StripJavascriptSchemas(CollapseWhitespace(text, true));
}
// Try bookmark format.
//
// It is tempting to try bookmark format first, but the URL we get out of a
// bookmark has been cannonicalized via GURL. This means if a user copies
// and pastes from the URL bar to itself, the text will get fixed up and
// cannonicalized, which is not what the user expects. By pasting in this
// order, we are sure to paste what the user copied.
if (clipboard->IsFormatAvailable(ui::Clipboard::GetUrlWFormatType(),
ui::Clipboard::BUFFER_STANDARD)) {
std::string url_str;
clipboard->ReadBookmark(NULL, &url_str);
// pass resulting url string through GURL to normalize
GURL url(url_str);
if (url.is_valid())
return StripJavascriptSchemas(UTF8ToUTF16(url.spec()));
}
return string16();
}
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