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Side by Side Diff: components/open_from_clipboard/clipboard_recent_content_generic.cc

Issue 2790993003: Add Generic Implementation of ClipboardRecentContent (Closed)
Patch Set: blank line Created 3 years, 8 months ago
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1 // Copyright 2017 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/open_from_clipboard/clipboard_recent_content_generic.h"
6
7 #include "ui/base/clipboard/clipboard.h"
8
9 ClipboardRecentContentGeneric::ClipboardRecentContentGeneric() {}
10
11 bool ClipboardRecentContentGeneric::GetRecentURLFromClipboard(GURL* url) {
12 ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
13 base::Time last_modified_time = clipboard->GetClipboardLastModifiedTime();
14 if (!last_modified_time_to_suppress_.is_null() &&
15 (last_modified_time == last_modified_time_to_suppress_))
16 return false;
17
18 if (GetClipboardContentAge() > kMaximumAgeOfClipboard)
19 return false;
20
21 // Interpret the clipboard as a URL if possible.
22 std::string gurl_string;
23 clipboard->ReadAsciiText(ui::CLIPBOARD_TYPE_COPY_PASTE, &gurl_string);
24 DCHECK(url);
25 if (!gurl_string.empty()) {
26 *url = GURL(gurl_string);
27 } else {
28 // Fall back to unicode / utf16, as some URLs may use international domain
29 // names, not punycode.
30 base::string16 gurl_string16;
31 clipboard->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE, &gurl_string16);
32 if (!gurl_string16.empty())
33 *url = GURL(gurl_string16);
34 }
35 return url->is_valid() && IsAppropriateSuggestion(*url);
36 }
37
38 base::TimeDelta ClipboardRecentContentGeneric::GetClipboardContentAge() const {
39 const base::Time last_modified_time =
40 ui::Clipboard::GetForCurrentThread()->GetClipboardLastModifiedTime();
41 const base::Time now = base::Time::Now();
42 // In case of system clock change, assume the last modified time is now.
43 // (Don't return a negative age, i.e., a time in the future.)
44 if (last_modified_time > now)
45 return base::TimeDelta();
46 return now - last_modified_time;
47 }
48
49 void ClipboardRecentContentGeneric::SuppressClipboardContent() {
50 // User cleared the user data. The pasteboard entry must be removed from the
51 // omnibox list. Do this by suppressing all clipboard content with the
52 // current clipboard content's time. Then we only suggest the clipboard
53 // content later if the time changed.
54 last_modified_time_to_suppress_ =
55 ui::Clipboard::GetForCurrentThread()->GetClipboardLastModifiedTime();
56 }
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