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1 // Copyright (c) 2012 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 "webkit/support/simple_clipboard_impl.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/lazy_instance.h" | |
10 #include "base/stl_util.h" | |
11 #include "base/strings/string16.h" | |
12 #include "googleurl/src/gurl.h" | |
13 #include "third_party/skia/include/core/SkBitmap.h" | |
14 #include "third_party/zlib/zlib.h" | |
15 #include "ui/base/clipboard/clipboard.h" | |
16 #include "ui/gfx/codec/png_codec.h" | |
17 #include "ui/gfx/size.h" | |
18 #include "webkit/glue/webkit_glue.h" | |
19 | |
20 namespace { | |
21 | |
22 } // anonymous namespace | |
23 | |
24 SimpleClipboardClient::SimpleClipboardClient() { | |
25 } | |
26 | |
27 SimpleClipboardClient::~SimpleClipboardClient() { | |
28 } | |
29 | |
30 | |
31 ui::Clipboard* SimpleClipboardClient::GetClipboard() { | |
32 return ui::Clipboard::GetForCurrentThread(); | |
33 } | |
34 | |
35 uint64 SimpleClipboardClient::GetSequenceNumber(ui::Clipboard::Buffer buffer) { | |
36 return GetClipboard()->GetSequenceNumber(buffer); | |
37 } | |
38 | |
39 bool SimpleClipboardClient::IsFormatAvailable( | |
40 const ui::Clipboard::FormatType& format, | |
41 ui::Clipboard::Buffer buffer) { | |
42 return GetClipboard()->IsFormatAvailable(format, buffer); | |
43 } | |
44 | |
45 void SimpleClipboardClient::Clear(ui::Clipboard::Buffer buffer) { | |
46 GetClipboard()->Clear(buffer); | |
47 } | |
48 | |
49 void SimpleClipboardClient::ReadAvailableTypes( | |
50 ui::Clipboard::Buffer buffer, | |
51 std::vector<base::string16>* types, | |
52 bool* contains_filenames) { | |
53 return GetClipboard()->ReadAvailableTypes(buffer, types, contains_filenames); | |
54 } | |
55 | |
56 void SimpleClipboardClient::ReadText(ui::Clipboard::Buffer buffer, | |
57 base::string16* result) { | |
58 GetClipboard()->ReadText(buffer, result); | |
59 } | |
60 | |
61 void SimpleClipboardClient::ReadAsciiText(ui::Clipboard::Buffer buffer, | |
62 std::string* result) { | |
63 GetClipboard()->ReadAsciiText(buffer, result); | |
64 } | |
65 | |
66 void SimpleClipboardClient::ReadHTML(ui::Clipboard::Buffer buffer, | |
67 base::string16* markup, | |
68 GURL* url, uint32* fragment_start, | |
69 uint32* fragment_end) { | |
70 std::string url_str; | |
71 GetClipboard()->ReadHTML(buffer, markup, url ? &url_str : NULL, | |
72 fragment_start, fragment_end); | |
73 if (url) | |
74 *url = GURL(url_str); | |
75 } | |
76 | |
77 void SimpleClipboardClient::ReadRTF(ui::Clipboard::Buffer buffer, | |
78 std::string* result) { | |
79 GetClipboard()->ReadRTF(buffer, result); | |
80 } | |
81 | |
82 void SimpleClipboardClient::ReadImage(ui::Clipboard::Buffer buffer, | |
83 std::string* data) { | |
84 SkBitmap bitmap = GetClipboard()->ReadImage(buffer); | |
85 if (bitmap.isNull()) | |
86 return; | |
87 | |
88 std::vector<unsigned char> png_data; | |
89 SkAutoLockPixels lock(bitmap); | |
90 if (gfx::PNGCodec::EncodeWithCompressionLevel( | |
91 static_cast<const unsigned char*>(bitmap.getPixels()), | |
92 gfx::PNGCodec::FORMAT_BGRA, | |
93 gfx::Size(bitmap.width(), bitmap.height()), | |
94 bitmap.rowBytes(), | |
95 false, | |
96 std::vector<gfx::PNGCodec::Comment>(), | |
97 Z_BEST_SPEED, | |
98 &png_data)) { | |
99 data->assign(reinterpret_cast<char*>(vector_as_array(&png_data)), | |
100 png_data.size()); | |
101 } | |
102 } | |
103 | |
104 void SimpleClipboardClient::ReadCustomData(ui::Clipboard::Buffer buffer, | |
105 const base::string16& type, | |
106 base::string16* data) { | |
107 GetClipboard()->ReadCustomData(buffer, type, data); | |
108 } | |
109 | |
110 void SimpleClipboardClient::ReadData(const ui::Clipboard::FormatType& format, | |
111 std::string* data) { | |
112 GetClipboard()->ReadData(format, data); | |
113 } | |
114 | |
115 webkit_glue::ClipboardClient::WriteContext* | |
116 SimpleClipboardClient::CreateWriteContext() { | |
117 return NULL; | |
118 } | |
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