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// Copyright (c) 2009 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 implements the ScopedClipboardWriter class. Documentation on its
// purpose can be found in our header. Documentation on the format of the
// parameters for each clipboard target can be found in clipboard.h.
#include "app/clipboard/scoped_clipboard_writer.h"
#include "base/gfx/size.h"
#include "base/pickle.h"
#include "base/string_util.h"
ScopedClipboardWriter::ScopedClipboardWriter(Clipboard* clipboard)
: clipboard_(clipboard) {
}
ScopedClipboardWriter::~ScopedClipboardWriter() {
if (!objects_.empty() && clipboard_) {
clipboard_->WriteObjects(objects_);
if (url_text_.length())
clipboard_->DidWriteURL(url_text_);
}
}
void ScopedClipboardWriter::WriteText(const string16& text) {
WriteTextOrURL(text, false);
}
void ScopedClipboardWriter::WriteURL(const string16& text) {
WriteTextOrURL(text, true);
}
void ScopedClipboardWriter::WriteHTML(const string16& markup,
const std::string& source_url) {
if (markup.empty())
return;
std::string utf8_markup = UTF16ToUTF8(markup);
Clipboard::ObjectMapParams parameters;
parameters.push_back(
Clipboard::ObjectMapParam(utf8_markup.begin(),
utf8_markup.end()));
if (!source_url.empty()) {
parameters.push_back(Clipboard::ObjectMapParam(source_url.begin(),
source_url.end()));
}
objects_[Clipboard::CBF_HTML] = parameters;
}
void ScopedClipboardWriter::WriteBookmark(const string16& bookmark_title,
const std::string& url) {
if (bookmark_title.empty() || url.empty())
return;
std::string utf8_markup = UTF16ToUTF8(bookmark_title);
Clipboard::ObjectMapParams parameters;
parameters.push_back(Clipboard::ObjectMapParam(utf8_markup.begin(),
utf8_markup.end()));
parameters.push_back(Clipboard::ObjectMapParam(url.begin(), url.end()));
objects_[Clipboard::CBF_BOOKMARK] = parameters;
}
void ScopedClipboardWriter::WriteHyperlink(const std::string& anchor_text,
const std::string& url) {
if (anchor_text.empty() || url.empty())
return;
// Construct the hyperlink.
std::string html("<a href=\"");
html.append(url);
html.append("\">");
html.append(anchor_text);
html.append("</a>");
WriteHTML(UTF8ToUTF16(html), std::string());
}
void ScopedClipboardWriter::WriteFile(const FilePath& file) {
WriteFiles(std::vector<FilePath>(1, file));
}
// Save the filenames as a string separated by nulls and terminated with an
// extra null.
void ScopedClipboardWriter::WriteFiles(const std::vector<FilePath>& files) {
if (files.empty())
return;
Clipboard::ObjectMapParam parameter;
for (std::vector<FilePath>::const_iterator iter = files.begin();
iter != files.end(); ++iter) {
FilePath filepath = *iter;
FilePath::StringType filename = filepath.value();
size_t data_length = filename.length() * sizeof(FilePath::CharType);
const char* data = reinterpret_cast<const char*>(filename.data());
const char* data_end = data + data_length;
for (const char* ch = data; ch < data_end; ++ch)
parameter.push_back(*ch);
// NUL-terminate the string.
for (size_t i = 0; i < sizeof(FilePath::CharType); ++i)
parameter.push_back('\0');
}
// NUL-terminate the string list.
for (size_t i = 0; i < sizeof(FilePath::CharType); ++i)
parameter.push_back('\0');
Clipboard::ObjectMapParams parameters;
parameters.push_back(parameter);
objects_[Clipboard::CBF_FILES] = parameters;
}
void ScopedClipboardWriter::WriteWebSmartPaste() {
objects_[Clipboard::CBF_WEBKIT] = Clipboard::ObjectMapParams();
}
void ScopedClipboardWriter::WriteBitmapFromPixels(const void* pixels,
const gfx::Size& size) {
Clipboard::ObjectMapParam pixels_parameter, size_parameter;
const char* pixels_data = reinterpret_cast<const char*>(pixels);
size_t pixels_length = 4 * size.width() * size.height();
for (size_t i = 0; i < pixels_length; i++)
pixels_parameter.push_back(pixels_data[i]);
const char* size_data = reinterpret_cast<const char*>(&size);
size_t size_length = sizeof(gfx::Size);
for (size_t i = 0; i < size_length; i++)
size_parameter.push_back(size_data[i]);
Clipboard::ObjectMapParams parameters;
parameters.push_back(pixels_parameter);
parameters.push_back(size_parameter);
objects_[Clipboard::CBF_BITMAP] = parameters;
}
void ScopedClipboardWriter::WritePickledData(const Pickle& pickle,
Clipboard::FormatType format) {
Clipboard::ObjectMapParam format_parameter(format.begin(), format.end());
Clipboard::ObjectMapParam data_parameter;
data_parameter.resize(pickle.size());
memcpy(const_cast<char*>(&data_parameter.front()),
pickle.data(), pickle.size());
Clipboard::ObjectMapParams parameters;
parameters.push_back(format_parameter);
parameters.push_back(data_parameter);
objects_[Clipboard::CBF_DATA] = parameters;
}
void ScopedClipboardWriter::WriteTextOrURL(const string16& text, bool is_url) {
if (text.empty())
return;
std::string utf8_text = UTF16ToUTF8(text);
Clipboard::ObjectMapParams parameters;
parameters.push_back(Clipboard::ObjectMapParam(utf8_text.begin(),
utf8_text.end()));
objects_[Clipboard::CBF_TEXT] = parameters;
if (is_url) {
url_text_ = utf8_text;
} else {
url_text_.clear();
}
}
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