src/content/test/mock_webclipboard_impl.cc

   1 // Copyright 2013 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 "content/test/mock_webclipboard_impl.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/logging.h"
  10 #include "base/stl_util.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "content/renderer/clipboard_utils.h"
  14 #include "third_party/WebKit/public/platform/WebCommon.h"
  15 #include "third_party/WebKit/public/platform/WebDragData.h"
  16 #include "third_party/WebKit/public/platform/WebImage.h"
  17 #include "third_party/WebKit/public/platform/WebURL.h"
  18 #include "ui/base/clipboard/clipboard.h"
  19 #include "ui/gfx/codec/png_codec.h"
  20 #include "ui/gfx/size.h"
  21
  22 using blink::WebDragData;
  23 using blink::WebString;
  24 using blink::WebURL;
  25 using blink::WebVector;
  26
  27 namespace content {
  28
  29 MockWebClipboardImpl::MockWebClipboardImpl() {}
  30
  31 MockWebClipboardImpl::~MockWebClipboardImpl() {}
  32
  33 bool MockWebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) {
  34   switch (format) {
  35     case FormatPlainText:
  36       return !m_plainText.is_null();
  37
  38     case FormatHTML:
  39       return !m_htmlText.is_null();
  40
  41     case FormatSmartPaste:
  42       return m_writeSmartPaste;
  43
  44     default:
  45       NOTREACHED();
  46       return false;
  47   }
  48
  49   switch (buffer) {
  50     case BufferStandard:
  51       break;
  52     case BufferSelection:
  53 #if defined(OS_POSIX) && !defined(OS_MACOSX)
  54       break;
  55 #endif
  56     default:
  57       NOTREACHED();
  58       return false;
  59   }
  60
  61   return true;
  62 }
  63
  64 WebVector<WebString> MockWebClipboardImpl::readAvailableTypes(
  65     Buffer buffer,
  66     bool* containsFilenames) {
  67   *containsFilenames = false;
  68   std::vector<WebString> results;
  69   if (!m_plainText.string().empty()) {
  70     results.push_back(WebString("text/plain"));
  71   }
  72   if (!m_htmlText.string().empty()) {
  73     results.push_back(WebString("text/html"));
  74   }
  75   if (!m_image.isNull()) {
  76     results.push_back(WebString("image/png"));
  77   }
  78   for (std::map<base::string16, base::string16>::const_iterator it =
  79            m_customData.begin();
  80        it != m_customData.end(); ++it) {
  81     CHECK(std::find(results.begin(), results.end(), it->first) ==
  82           results.end());
  83     results.push_back(it->first);
  84   }
  85   return results;
  86 }
  87
  88 blink::WebString MockWebClipboardImpl::readPlainText(
  89     blink::WebClipboard::Buffer buffer) {
  90   return m_plainText;
  91 }
  92
  93 // TODO(wtc): set output argument *url.
  94 blink::WebString MockWebClipboardImpl::readHTML(
  95     blink::WebClipboard::Buffer buffer,
  96     blink::WebURL* url,
  97     unsigned* fragmentStart,
  98     unsigned* fragmentEnd) {
  99   *fragmentStart = 0;
 100   *fragmentEnd = static_cast<unsigned>(m_htmlText.string().length());
 101   return m_htmlText;
 102 }
 103
 104 blink::WebData MockWebClipboardImpl::readImage(
 105     blink::WebClipboard::Buffer buffer) {
 106   std::string data;
 107   std::vector<unsigned char> encoded_image;
 108   // TODO(dcheng): Verify that we can assume the image is ARGB8888. Note that
 109   // for endianess reasons, it will be BGRA8888 on Windows.
 110   const SkBitmap& bitmap = m_image.getSkBitmap();
 111   SkAutoLockPixels lock(bitmap);
 112   gfx::PNGCodec::Encode(static_cast<unsigned char*>(bitmap.getPixels()),
 113 #if defined(OS_ANDROID)
 114                         gfx::PNGCodec::FORMAT_RGBA,
 115 #else
 116                         gfx::PNGCodec::FORMAT_BGRA,
 117 #endif
 118                         gfx::Size(bitmap.width(), bitmap.height()),
 119                         bitmap.rowBytes(),
 120                         false /* discard_transparency */,
 121                         std::vector<gfx::PNGCodec::Comment>(),
 122                         &encoded_image);
 123   data.assign(reinterpret_cast<char*>(vector_as_array(&encoded_image)),
 124               encoded_image.size());
 125   return data;
 126 }
 127
 128 blink::WebString MockWebClipboardImpl::readCustomData(
 129     blink::WebClipboard::Buffer buffer,
 130     const blink::WebString& type) {
 131   std::map<base::string16, base::string16>::const_iterator it =
 132       m_customData.find(type);
 133   if (it != m_customData.end())
 134     return it->second;
 135   return blink::WebString();
 136 }
 137
 138 void MockWebClipboardImpl::writeHTML(const blink::WebString& htmlText,
 139                                      const blink::WebURL& url,
 140                                      const blink::WebString& plainText,
 141                                      bool writeSmartPaste) {
 142   clear();
 143
 144   m_htmlText = htmlText;
 145   m_plainText = plainText;
 146   m_writeSmartPaste = writeSmartPaste;
 147 }
 148
 149 void MockWebClipboardImpl::writePlainText(const blink::WebString& plain_text) {
 150   clear();
 151
 152   m_plainText = plain_text;
 153 }
 154
 155 void MockWebClipboardImpl::writeURL(const blink::WebURL& url,
 156                                     const blink::WebString& title) {
 157   clear();
 158
 159   m_htmlText = WebString::fromUTF8(URLToMarkup(url, title));
 160   m_plainText = url.spec().utf16();
 161 }
 162
 163 void MockWebClipboardImpl::writeImage(const blink::WebImage& image,
 164                                       const blink::WebURL& url,
 165                                       const blink::WebString& title) {
 166   if (!image.isNull()) {
 167     clear();
 168
 169     m_plainText = m_htmlText;
 170     m_htmlText = WebString::fromUTF8(URLToImageMarkup(url, title));
 171     m_image = image;
 172   }
 173 }
 174
 175 void MockWebClipboardImpl::writeDataObject(const WebDragData& data) {
 176   clear();
 177
 178   const WebVector<WebDragData::Item>& itemList = data.items();
 179   for (size_t i = 0; i < itemList.size(); ++i) {
 180     const WebDragData::Item& item = itemList[i];
 181     switch (item.storageType) {
 182       case WebDragData::Item::StorageTypeString: {
 183         if (EqualsASCII(item.stringType, ui::Clipboard::kMimeTypeText)) {
 184           m_plainText = item.stringData;
 185           continue;
 186         }
 187         if (EqualsASCII(item.stringType, ui::Clipboard::kMimeTypeHTML)) {
 188           m_htmlText = item.stringData;
 189           continue;
 190         }
 191         m_customData.insert(std::make_pair(item.stringType, item.stringData));
 192         continue;
 193       }
 194       case WebDragData::Item::StorageTypeFilename:
 195       case WebDragData::Item::StorageTypeBinaryData:
 196         NOTREACHED();  // Currently unused by the clipboard implementation.
 197     }
 198   }
 199 }
 200
 201 void MockWebClipboardImpl::clear() {
 202   m_plainText = base::NullableString16();
 203   m_htmlText = base::NullableString16();
 204   m_image.reset();
 205   m_customData.clear();
 206   m_writeSmartPaste = false;
 207 }
 208
 209 }  // namespace content