src/chrome/browser/ui/views/extensions/browser_action_drag_data.cc

   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 "chrome/browser/ui/views/extensions/browser_action_drag_data.h"
   6
   7 #include "base/logging.h"
   8 #include "base/pickle.h"
   9 #include "base/strings/string_util.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "ui/base/clipboard/clipboard.h"
  12
  13 const char* BrowserActionDragData::kClipboardFormatString =
  14     "chromium/x-browser-actions";
  15
  16 BrowserActionDragData::BrowserActionDragData()
  17     : profile_(NULL), index_(-1) {
  18 }
  19
  20 BrowserActionDragData::BrowserActionDragData(
  21     const std::string& id, int index)
  22     : profile_(NULL), id_(id), index_(index) {
  23 }
  24
  25 bool BrowserActionDragData::IsFromProfile(Profile* profile) const {
  26   return profile_ == profile;
  27 }
  28
  29 #if defined(TOOLKIT_VIEWS)
  30 void BrowserActionDragData::Write(
  31     Profile* profile, ui::OSExchangeData* data) const {
  32   DCHECK(data);
  33   Pickle data_pickle;
  34   WriteToPickle(profile, &data_pickle);
  35   data->SetPickledData(GetBrowserActionCustomFormat(), data_pickle);
  36 }
  37
  38 bool BrowserActionDragData::Read(const ui::OSExchangeData& data) {
  39   if (!data.HasCustomFormat(GetBrowserActionCustomFormat()))
  40     return false;
  41
  42   Pickle drag_data_pickle;
  43   if (!data.GetPickledData(GetBrowserActionCustomFormat(), &drag_data_pickle))
  44     return false;
  45
  46   if (!ReadFromPickle(&drag_data_pickle))
  47     return false;
  48
  49   return true;
  50 }
  51
  52 // static
  53 const ui::OSExchangeData::CustomFormat&
  54 BrowserActionDragData::GetBrowserActionCustomFormat() {
  55   CR_DEFINE_STATIC_LOCAL(
  56       ui::OSExchangeData::CustomFormat,
  57       format,
  58       (ui::Clipboard::GetFormatType(kClipboardFormatString)));
  59
  60   return format;
  61 }
  62 #endif
  63
  64 void BrowserActionDragData::WriteToPickle(
  65     Profile* profile, Pickle* pickle) const {
  66   pickle->WriteBytes(&profile, sizeof(profile));
  67   pickle->WriteString(id_);
  68   pickle->WriteUInt64(index_);
  69 }
  70
  71 bool BrowserActionDragData::ReadFromPickle(Pickle* pickle) {
  72   PickleIterator data_iterator(*pickle);
  73
  74   const char* tmp;
  75   if (!pickle->ReadBytes(&data_iterator, &tmp, sizeof(profile_)))
  76     return false;
  77   memcpy(&profile_, tmp, sizeof(profile_));
  78
  79   if (!pickle->ReadString(&data_iterator, &id_))
  80     return false;
  81
  82   uint64 index;
  83   if (!pickle->ReadUInt64(&data_iterator, &index))
  84     return false;
  85   index_ = static_cast<size_t>(index);
  86
  87   return true;
  88 }