| // 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. |
| |
| #include "ui/base/dragdrop/os_exchange_data_provider_aurax11.h" |
| |
| #include "base/logging.h" |
| #include "base/memory/ref_counted_memory.h" |
| #include "base/message_loop/message_pump_x11.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "net/base/net_util.h" |
| #include "ui/base/clipboard/clipboard.h" |
| #include "ui/base/clipboard/scoped_clipboard_writer.h" |
| #include "ui/base/x/selection_utils.h" |
| #include "ui/base/x/x11_util.h" |
| |
| // Note: the GetBlah() methods are used immediately by the |
| // web_contents_view_aura.cc:PrepareDropData(), while the omnibox is a |
| // little more discriminating and calls HasBlah() before trying to get the |
| // information. |
| |
| namespace ui { |
| |
| namespace { |
| |
| const char kDndSelection[] = "XdndSelection"; |
| |
| const char* kAtomsToCache[] = { |
| kString, |
| kText, |
| kUtf8String, |
| kDndSelection, |
| Clipboard::kMimeTypeURIList, |
| kMimeTypeMozillaURL, |
| Clipboard::kMimeTypeText, |
| NULL |
| }; |
| |
| } // namespace |
| |
| OSExchangeDataProviderAuraX11::OSExchangeDataProviderAuraX11( |
| ::Window x_window, |
| const SelectionFormatMap& selection) |
| : x_display_(gfx::GetXDisplay()), |
| x_root_window_(DefaultRootWindow(x_display_)), |
| own_window_(false), |
| x_window_(x_window), |
| atom_cache_(x_display_, kAtomsToCache), |
| format_map_(selection), |
| selection_owner_(x_display_, x_window_, |
| atom_cache_.GetAtom(kDndSelection)) { |
| // We don't know all possible MIME types at compile time. |
| atom_cache_.allow_uncached_atoms(); |
| } |
| |
| OSExchangeDataProviderAuraX11::OSExchangeDataProviderAuraX11() |
| : x_display_(gfx::GetXDisplay()), |
| x_root_window_(DefaultRootWindow(x_display_)), |
| own_window_(true), |
| x_window_(XCreateWindow( |
| x_display_, |
| x_root_window_, |
| -100, -100, 10, 10, // x, y, width, height |
| 0, // border width |
| CopyFromParent, // depth |
| InputOnly, |
| CopyFromParent, // visual |
| 0, |
| NULL)), |
| atom_cache_(x_display_, kAtomsToCache), |
| format_map_(), |
| selection_owner_(x_display_, x_window_, |
| atom_cache_.GetAtom(kDndSelection)) { |
| // We don't know all possible MIME types at compile time. |
| atom_cache_.allow_uncached_atoms(); |
| |
| XStoreName(x_display_, x_window_, "Chromium Drag & Drop Window"); |
| |
| base::MessagePumpX11::Current()->AddDispatcherForWindow(this, x_window_); |
| } |
| |
| OSExchangeDataProviderAuraX11::~OSExchangeDataProviderAuraX11() { |
| if (own_window_) { |
| base::MessagePumpX11::Current()->RemoveDispatcherForWindow(x_window_); |
| XDestroyWindow(x_display_, x_window_); |
| } |
| } |
| |
| void OSExchangeDataProviderAuraX11::TakeOwnershipOfSelection() const { |
| selection_owner_.TakeOwnershipOfSelection(format_map_); |
| } |
| |
| void OSExchangeDataProviderAuraX11::RetrieveTargets( |
| std::vector<Atom>* targets) const { |
| selection_owner_.RetrieveTargets(targets); |
| } |
| |
| SelectionFormatMap OSExchangeDataProviderAuraX11::GetFormatMap() const { |
| // We return the |selection_owner_|'s format map instead of our own in case |
| // ours has been modified since TakeOwnershipOfSelection() was called. |
| return selection_owner_.selection_format_map(); |
| } |
| |
| OSExchangeData::Provider* OSExchangeDataProviderAuraX11::Clone() const { |
| OSExchangeDataProviderAuraX11* ret = new OSExchangeDataProviderAuraX11(); |
| ret->format_map_ = format_map_; |
| return ret; |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetString(const base::string16& text_data) { |
| std::string utf8 = UTF16ToUTF8(text_data); |
| scoped_refptr<base::RefCountedMemory> mem( |
| base::RefCountedString::TakeString(&utf8)); |
| |
| format_map_.Insert(atom_cache_.GetAtom(Clipboard::kMimeTypeText), mem); |
| format_map_.Insert(atom_cache_.GetAtom(kText), mem); |
| format_map_.Insert(atom_cache_.GetAtom(kString), mem); |
| format_map_.Insert(atom_cache_.GetAtom(kUtf8String), mem); |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetURL(const GURL& url, |
| const base::string16& title) { |
| // Mozilla's URL format: (UTF16: URL, newline, title) |
| if (url.is_valid()) { |
| string16 spec = UTF8ToUTF16(url.spec()); |
| |
| std::vector<unsigned char> data; |
| ui::AddString16ToVector(spec, &data); |
| ui::AddString16ToVector(ASCIIToUTF16("\n"), &data); |
| ui::AddString16ToVector(title, &data); |
| scoped_refptr<base::RefCountedMemory> mem( |
| base::RefCountedBytes::TakeVector(&data)); |
| |
| format_map_.Insert(atom_cache_.GetAtom(kMimeTypeMozillaURL), mem); |
| |
| SetString(spec); |
| } |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetFilename(const base::FilePath& path) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetFilenames( |
| const std::vector<OSExchangeData::FileInfo>& filenames) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetPickledData( |
| const OSExchangeData::CustomFormat& format, |
| const Pickle& pickle) { |
| const unsigned char* data = |
| reinterpret_cast<const unsigned char*>(pickle.data()); |
| |
| std::vector<unsigned char> bytes; |
| bytes.insert(bytes.end(), data, data + pickle.size()); |
| scoped_refptr<base::RefCountedMemory> mem( |
| base::RefCountedBytes::TakeVector(&bytes)); |
| |
| format_map_.Insert(atom_cache_.GetAtom(format.ToString().c_str()), mem); |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetString(base::string16* result) const { |
| std::vector< ::Atom> text_atoms = ui::GetTextAtomsFrom(&atom_cache_); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(text_atoms, GetTargets(), &requested_types); |
| |
| ui::SelectionData data(format_map_.GetFirstOf(requested_types)); |
| if (data.IsValid()) { |
| std::string text = data.GetText(); |
| *result = UTF8ToUTF16(text); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetURLAndTitle( |
| GURL* url, |
| base::string16* title) const { |
| std::vector< ::Atom> url_atoms = ui::GetURLAtomsFrom(&atom_cache_); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); |
| |
| ui::SelectionData data(format_map_.GetFirstOf(requested_types)); |
| if (data.IsValid()) { |
| // TODO(erg): Technically, both of these forms can accept multiple URLs, |
| // but that doesn't match the assumptions of the rest of the system which |
| // expect single types. |
| |
| if (data.GetType() == atom_cache_.GetAtom(kMimeTypeMozillaURL)) { |
| // Mozilla URLs are (UTF16: URL, newline, title). |
| base::string16 unparsed; |
| data.AssignTo(&unparsed); |
| |
| std::vector<base::string16> tokens; |
| size_t num_tokens = Tokenize(unparsed, ASCIIToUTF16("\n"), &tokens); |
| if (num_tokens > 0) { |
| if (num_tokens > 1) |
| *title = tokens[1]; |
| else |
| *title = string16(); |
| |
| *url = GURL(tokens[0]); |
| return true; |
| } |
| } else if (data.GetType() == atom_cache_.GetAtom( |
| Clipboard::kMimeTypeURIList)) { |
| // uri-lists are newline separated file lists in URL encoding. |
| std::string unparsed; |
| data.AssignTo(&unparsed); |
| |
| std::vector<std::string> tokens; |
| size_t num_tokens = Tokenize(unparsed, "\n", &tokens); |
| if (!num_tokens) { |
| NOTREACHED() << "Empty URI list"; |
| return false; |
| } |
| |
| *url = GURL(tokens[0]); |
| *title = base::string16(); |
| |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetFilename(base::FilePath* path) const { |
| // On X11, files are passed by URL and aren't separate. |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetFilenames( |
| std::vector<OSExchangeData::FileInfo>* filenames) const { |
| // On X11, files are passed by URL and aren't separate. |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetPickledData( |
| const OSExchangeData::CustomFormat& format, |
| Pickle* pickle) const { |
| std::vector< ::Atom> requested_types; |
| requested_types.push_back(atom_cache_.GetAtom(format.ToString().c_str())); |
| |
| ui::SelectionData data(format_map_.GetFirstOf(requested_types)); |
| if (data.IsValid()) { |
| // Note that the pickle object on the right hand side of the assignment |
| // only refers to the bytes in |data|. The assignment copies the data. |
| *pickle = Pickle(reinterpret_cast<const char*>(data.GetData()), |
| static_cast<int>(data.GetSize())); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::HasString() const { |
| std::vector< ::Atom> text_atoms = ui::GetTextAtomsFrom(&atom_cache_); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(text_atoms, GetTargets(), &requested_types); |
| return !requested_types.empty(); |
| } |
| |
| bool OSExchangeDataProviderAuraX11::HasURL() const { |
| std::vector< ::Atom> url_atoms = ui::GetURLAtomsFrom(&atom_cache_); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); |
| return !requested_types.empty(); |
| } |
| |
| bool OSExchangeDataProviderAuraX11::HasFile() const { |
| // On X11, files are passed by URL and aren't separate. |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::HasCustomFormat( |
| const OSExchangeData::CustomFormat& format) const { |
| std::vector< ::Atom> url_atoms; |
| url_atoms.push_back(atom_cache_.GetAtom(format.ToString().c_str())); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); |
| |
| return !requested_types.empty(); |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetHtml(const base::string16& html, |
| const GURL& base_url) { |
| std::vector<unsigned char> bytes; |
| // Manually jam a UTF16 BOM into bytes because otherwise, other programs will |
| // assume UTF-8. |
| bytes.push_back(0xFF); |
| bytes.push_back(0xFE); |
| ui::AddString16ToVector(html, &bytes); |
| scoped_refptr<base::RefCountedMemory> mem( |
| base::RefCountedBytes::TakeVector(&bytes)); |
| |
| format_map_.Insert(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML), mem); |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetHtml(base::string16* html, |
| GURL* base_url) const { |
| std::vector< ::Atom> url_atoms; |
| url_atoms.push_back(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML)); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); |
| |
| ui::SelectionData data(format_map_.GetFirstOf(requested_types)); |
| if (data.IsValid()) { |
| *html = data.GetHtml(); |
| *base_url = GURL(); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::HasHtml() const { |
| std::vector< ::Atom> url_atoms; |
| url_atoms.push_back(atom_cache_.GetAtom(Clipboard::kMimeTypeHTML)); |
| std::vector< ::Atom> requested_types; |
| ui::GetAtomIntersection(url_atoms, GetTargets(), &requested_types); |
| |
| return !requested_types.empty(); |
| } |
| |
| void OSExchangeDataProviderAuraX11::SetDragImage( |
| const gfx::ImageSkia& image, |
| const gfx::Vector2d& cursor_offset) { |
| drag_image_ = image; |
| drag_image_offset_ = cursor_offset; |
| } |
| |
| const gfx::ImageSkia& OSExchangeDataProviderAuraX11::GetDragImage() const { |
| return drag_image_; |
| } |
| |
| const gfx::Vector2d& OSExchangeDataProviderAuraX11::GetDragImageOffset() const { |
| return drag_image_offset_; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::Dispatch(const base::NativeEvent& event) { |
| XEvent* xev = event; |
| switch (xev->type) { |
| case SelectionRequest: |
| selection_owner_.OnSelectionRequest(xev->xselectionrequest); |
| break; |
| default: |
| NOTIMPLEMENTED(); |
| } |
| |
| return true; |
| } |
| |
| bool OSExchangeDataProviderAuraX11::GetPlainTextURL(GURL* url) const { |
| string16 text; |
| if (GetString(&text)) { |
| GURL test_url(text); |
| if (test_url.is_valid()) { |
| *url = test_url; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| std::vector< ::Atom> OSExchangeDataProviderAuraX11::GetTargets() const { |
| return format_map_.GetTypes(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // OSExchangeData, public: |
| |
| // static |
| OSExchangeData::Provider* OSExchangeData::CreateProvider() { |
| return new OSExchangeDataProviderAuraX11(); |
| } |
| |
| } // namespace ui |