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Diffstat (limited to 'chrome/browser/gears_integration.cc')
-rw-r--r-- | chrome/browser/gears_integration.cc | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/chrome/browser/gears_integration.cc b/chrome/browser/gears_integration.cc deleted file mode 100644 index 648d255..0000000 --- a/chrome/browser/gears_integration.cc +++ /dev/null @@ -1,309 +0,0 @@ -// 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. - -#include "chrome/browser/gears_integration.h" - -#include <string> -#include <vector> - -#include "base/base64.h" -#include "base/logging.h" -#include "base/message_loop.h" -#include "base/scoped_ptr.h" -#include "base/utf_string_conversions.h" -#include "chrome/browser/chrome_plugin_host.h" -#include "chrome/common/chrome_plugin_util.h" -#include "chrome/common/gears_api.h" -#include "chrome/common/web_apps.h" -#include "googleurl/src/gurl.h" -#include "third_party/skia/include/core/SkBitmap.h" -#include "ui/gfx/codec/png_codec.h" - -// The following 2 helpers are borrowed from the Gears codebase. - -const size_t kUserPathComponentMaxChars = 64; - -// Returns true if and only if the char meets the following criteria: -// -// - visible ASCII -// - None of the following characters: / \ : * ? " < > | ; , -// -// This function is a heuristic that should identify most strings that are -// invalid pathnames on popular OSes. It's both overinclusive and -// underinclusive, though. -template<class CharT> -inline bool IsCharValidInPathComponent(CharT c) { - // Not visible ASCII? - // Note: the Gears version of this function excludes spaces (32) as well. We - // allow them for file names. - if (c < 32 || c >= 127) { - return false; - } - - // Illegal characters? - switch (c) { - case '/': - case '\\': - case ':': - case '*': - case '?': - case '"': - case '<': - case '>': - case '|': - case ';': - case ',': - return false; - - default: - return true; - } -} - -// Modifies a string, replacing characters that are not valid in a file path -// component with the '_' character. Also replaces leading and trailing dots -// with the '_' character. -// See IsCharValidInPathComponent -template<class StringT> -inline void EnsureStringValidPathComponent(StringT &s) { - if (s.empty()) { - return; - } - - typename StringT::iterator iter = s.begin(); - typename StringT::iterator end = s.end(); - - // Does it start with a dot? - if (*iter == '.') { - *iter = '_'; - ++iter; // skip it in the loop below - } - // Is every char valid? - while (iter != end) { - if (!IsCharValidInPathComponent(*iter)) { - *iter = '_'; - } - ++iter; - } - // Does it end with a dot? - --iter; - if (*iter == '.') { - *iter = '_'; - } - - // Is it too long? - if (s.size() > kUserPathComponentMaxChars) - s.resize(kUserPathComponentMaxChars); -} - -void GearsSettingsPressed(gfx::NativeWindow parent_wnd) { - CPBrowsingContext context = static_cast<CPBrowsingContext>( - reinterpret_cast<uintptr_t>(parent_wnd)); - CPHandleCommand(GEARSPLUGINCOMMAND_SHOW_SETTINGS, NULL, context); -} - -// Gears only supports certain icon sizes. -enum GearsIconSizes { - SIZE_16x16 = 0, - SIZE_32x32, - SIZE_48x48, - SIZE_128x128, - NUM_GEARS_ICONS, -}; - -// Helper function to convert a 16x16 favicon to a data: URL with the icon -// encoded as a PNG. -static GURL ConvertSkBitmapToDataURL(const SkBitmap& icon) { - DCHECK(!icon.isNull()); - DCHECK(icon.width() == 16 && icon.height() == 16); - - // Get the FavIcon data. - std::vector<unsigned char> icon_data; - gfx::PNGCodec::EncodeBGRASkBitmap(icon, false, &icon_data); - - // Base64-encode it (to make it a data URL). - std::string icon_data_str(reinterpret_cast<char*>(&icon_data[0]), - icon_data.size()); - std::string icon_base64_encoded; - base::Base64Encode(icon_data_str, &icon_base64_encoded); - GURL icon_url("data:image/png;base64," + icon_base64_encoded); - - return icon_url; -} - -// This class holds and manages the data passed to the -// GEARSPLUGINCOMMAND_CREATE_SHORTCUT plugin command. -class CreateShortcutCommand : public CPCommandInterface { - public: - CreateShortcutCommand( - const std::string& name, const std::string& orig_name, - const std::string& url, const std::string& description, - const std::vector<WebApplicationInfo::IconInfo> &icons, - const SkBitmap& fallback_icon, - GearsCreateShortcutCallback* callback) - : name_(name), url_(url), description_(description), - orig_name_(orig_name), callback_(callback), - calling_loop_(MessageLoop::current()) { - // shortcut_data_ has the same lifetime as our strings, so we just - // point it at their internal data. - memset(&shortcut_data_, 0, sizeof(shortcut_data_)); - shortcut_data_.name = name_.c_str(); - shortcut_data_.url = url_.c_str(); - shortcut_data_.description = description_.c_str(); - shortcut_data_.orig_name = orig_name_.c_str(); - - // Search the icons array for Gears-supported sizes and copy the strings. - bool has_icon = false; - - for (size_t i = 0; i < icons.size(); ++i) { - const WebApplicationInfo::IconInfo& icon = icons[i]; - if (icon.width == 16 && icon.height == 16) { - has_icon = true; - InitIcon(SIZE_16x16, icon.url, 16, 16); - } else if (icon.width == 32 && icon.height == 32) { - has_icon = true; - InitIcon(SIZE_32x32, icon.url, 32, 32); - } else if (icon.width == 48 && icon.height == 48) { - has_icon = true; - InitIcon(SIZE_48x48, icon.url, 48, 48); - } else if (icon.width == 128 && icon.height == 128) { - has_icon = true; - InitIcon(SIZE_128x128, icon.url, 128, 128); - } - } - - if (!has_icon) { - // Fall back to the favicon only if the site provides no icons at all. We - // assume if a site provides any icons, it wants to override default - // behavior. - InitIcon(SIZE_16x16, ConvertSkBitmapToDataURL(fallback_icon), 16, 16); - } - - shortcut_data_.command_interface = this; - } - virtual ~CreateShortcutCommand() { } - - // CPCommandInterface - virtual void* GetData() { return &shortcut_data_; } - virtual void OnCommandInvoked(CPError retval) { - if (retval != CPERR_IO_PENDING) { - // Older versions of Gears don't send a response, so don't wait for one. - OnCommandResponse(CPERR_FAILURE); - } - } - virtual void OnCommandResponse(CPError retval) { - calling_loop_->PostTask(FROM_HERE, NewRunnableMethod( - this, &CreateShortcutCommand::ReportResults, retval)); - } - - private: - void ReportResults(CPError retval) { - // Other code only knows about the original GearsShortcutData. Pass our - // GearsShortcutData2 off as one of those - but use the unmodified name. - // TODO(mpcomplete): this means that Gears will have stored its sanitized - // filename, but not expose it to us. We will use the unsanitized version, - // so our name will potentially differ. This is relevant because we store - // some prefs keyed off the webapp name. - shortcut_data_.name = shortcut_data_.orig_name; - callback_->Run(shortcut_data_, retval == CPERR_SUCCESS); - delete this; - } - - void InitIcon(GearsIconSizes size, const GURL& url, int width, int height) { - icon_urls_[size] = url.spec(); // keeps the string memory in scope - shortcut_data_.icons[size].url = icon_urls_[size].c_str(); - shortcut_data_.icons[size].width = width; - shortcut_data_.icons[size].height = height; - } - - GearsCreateShortcutData shortcut_data_; - std::string name_; - std::string url_; - std::string description_; - std::string icon_urls_[NUM_GEARS_ICONS]; - std::string orig_name_; - scoped_ptr<GearsCreateShortcutCallback> callback_; - MessageLoop* calling_loop_; -}; - -// Allows InvokeLater without adding refcounting. The object is only deleted -// when its last InvokeLater is run anyway. -DISABLE_RUNNABLE_METHOD_REFCOUNT(CreateShortcutCommand); - -void GearsCreateShortcut( - const WebApplicationInfo& app_info, - const string16& fallback_name, - const GURL& fallback_url, - const SkBitmap& fallback_icon, - GearsCreateShortcutCallback* callback) { - string16 name = - !app_info.title.empty() ? app_info.title : fallback_name; - std::string orig_name_utf8 = UTF16ToUTF8(name); - EnsureStringValidPathComponent(name); - - std::string name_utf8 = UTF16ToUTF8(name); - std::string description_utf8 = UTF16ToUTF8(app_info.description); - const GURL& url = - !app_info.app_url.is_empty() ? app_info.app_url : fallback_url; - - CreateShortcutCommand* command = - new CreateShortcutCommand(name_utf8, orig_name_utf8, url.spec(), - description_utf8, - app_info.icons, fallback_icon, callback); - CPHandleCommand(GEARSPLUGINCOMMAND_CREATE_SHORTCUT, command, 0); -} - -// This class holds and manages the data passed to the -// GEARSPLUGINCOMMAND_GET_SHORTCUT_LIST plugin command. When the command is -// invoked, we proxy the results over to the calling thread. -class QueryShortcutsCommand : public CPCommandInterface { - public: - explicit QueryShortcutsCommand(GearsQueryShortcutsCallback* callback) : - callback_(callback), calling_loop_(MessageLoop::current()) { - shortcut_list_.shortcuts = NULL; - shortcut_list_.num_shortcuts = 0; - } - virtual ~QueryShortcutsCommand() { } - virtual void* GetData() { return &shortcut_list_; } - virtual void OnCommandInvoked(CPError retval) { - calling_loop_->PostTask(FROM_HERE, NewRunnableMethod( - this, &QueryShortcutsCommand::ReportResults, retval)); - } - - private: - void ReportResults(CPError retval) { - callback_->Run(retval == CPERR_SUCCESS ? &shortcut_list_ : NULL); - FreeGearsShortcutList(); - delete this; - } - - void FreeGearsShortcutList() { - for (size_t i = 0; i < shortcut_list_.num_shortcuts; ++i) { - CPB_Free(const_cast<char*>(shortcut_list_.shortcuts[i].description)); - CPB_Free(const_cast<char*>(shortcut_list_.shortcuts[i].name)); - CPB_Free(const_cast<char*>(shortcut_list_.shortcuts[i].url)); - for (size_t j = 0; j < 4; ++j) - CPB_Free(const_cast<char*>(shortcut_list_.shortcuts[i].icons[j].url)); - } - CPB_Free(shortcut_list_.shortcuts); - } - - GearsShortcutList shortcut_list_; - scoped_ptr<GearsQueryShortcutsCallback> callback_; - MessageLoop* calling_loop_; -}; - -// Allows InvokeLater without adding refcounting. The object is only deleted -// when its last InvokeLater is run anyway. -template <> -struct RunnableMethodTraits<QueryShortcutsCommand> { - void RetainCallee(QueryShortcutsCommand* command) {} - void ReleaseCallee(QueryShortcutsCommand* command) {} -}; - -void GearsQueryShortcuts(GearsQueryShortcutsCallback* callback) { - CPHandleCommand(GEARSPLUGINCOMMAND_GET_SHORTCUT_LIST, - new QueryShortcutsCommand(callback), - 0); -} |