Remove legacy PDF JSON interface.

pdf/out_of_process_instance.cc

 // 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 "pdf/out_of_process_instance.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>  // for min/max()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
 #include <list>
 
-#include "base/json/json_reader.h"
-#include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/content_restriction.h"
 #include "net/base/escape.h"
 #include "pdf/pdf.h"
 #include "ppapi/c/dev/ppb_cursor_control_dev.h"
@@ skipping 16 matching lines @@
 #include "ppapi/cpp/var_array.h"
 #include "ppapi/cpp/var_dictionary.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 
 namespace chrome_pdf {
 
 const char kChromePrint[] = "chrome://print/";
 const char kChromeExtension[] =
     "chrome-extension://mhjfbmdgcfjbbpaeojofohoefgiehjai";
 
-// Dictionary Value key names for the document accessibility info
-const char kAccessibleNumberOfPages[] = "numberOfPages";
-const char kAccessibleLoaded[] = "loaded";
-const char kAccessibleCopyable[] = "copyable";
-
 // Constants used in handling postMessage() messages.
 const char kType[] = "type";
 // Viewport message arguments. (Page -> Plugin).
 const char kJSViewportType[] = "viewport";
 const char kJSXOffset[] = "xOffset";
 const char kJSYOffset[] = "yOffset";
 const char kJSZoom[] = "zoom";
 // Stop scrolling message (Page -> Plugin)
 const char kJSStopScrollingType[] = "stopScrolling";
 // Document dimension arguments (Plugin -> Page).
@@ skipping 30 matching lines @@
 const char kJSPrintPreviewGrayscale[] = "grayscale";
 const char kJSPrintPreviewPageCount[] = "pageCount";
 // Load preview page (Page -> Plugin)
 const char kJSLoadPreviewPageType[] = "loadPreviewPage";
 const char kJSPreviewPageUrl[] = "url";
 const char kJSPreviewPageIndex[] = "index";
 // Set scroll position (Plugin -> Page)
 const char kJSSetScrollPositionType[] = "setScrollPosition";
 const char kJSPositionX[] = "x";
 const char kJSPositionY[] = "y";
-// Request accessibility JSON data (Page -> Plugin)
-const char kJSGetAccessibilityJSONType[] = "getAccessibilityJSON";
-const char kJSAccessibilityPageNumber[] = "page";
-// Reply with accessibility JSON data (Plugin -> Page)
-const char kJSGetAccessibilityJSONReplyType[] = "getAccessibilityJSONReply";
-const char kJSAccessibilityJSON[] = "json";
 // Cancel the stream URL request (Plugin -> Page)
 const char kJSCancelStreamUrlType[] = "cancelStreamUrl";
 // Navigate to the given URL (Plugin -> Page)
 const char kJSNavigateType[] = "navigate";
 const char kJSNavigateUrl[] = "url";
 const char kJSNavigateNewTab[] = "newTab";
 // Open the email editor with the given parameters (Plugin -> Page)
 const char kJSEmailType[] = "email";
 const char kJSEmailTo[] = "to";
 const char kJSEmailCc[] = "cc";
@@ skipping 329 matching lines @@
 
     print_preview_page_count_ =
         std::max(dict.Get(pp::Var(kJSPrintPreviewPageCount)).AsInt(), 0);
 
     paint_manager_.InvalidateRect(pp::Rect(pp::Point(), plugin_size_));
   } else if (type == kJSLoadPreviewPageType &&
              dict.Get(pp::Var(kJSPreviewPageUrl)).is_string() &&
              dict.Get(pp::Var(kJSPreviewPageIndex)).is_int()) {
     ProcessPreviewPageInfo(dict.Get(pp::Var(kJSPreviewPageUrl)).AsString(),
                            dict.Get(pp::Var(kJSPreviewPageIndex)).AsInt());
-  } else if (type == kJSGetAccessibilityJSONType) {
-    pp::VarDictionary reply;
-    reply.Set(pp::Var(kType), pp::Var(kJSGetAccessibilityJSONReplyType));
-    if (dict.Get(pp::Var(kJSAccessibilityPageNumber)).is_int()) {
-      int page = dict.Get(pp::Var(kJSAccessibilityPageNumber)).AsInt();
-      reply.Set(pp::Var(kJSAccessibilityJSON),
-                        pp::Var(engine_->GetPageAsJSON(page)));
-    } else {
-      base::DictionaryValue node;
-      node.SetInteger(kAccessibleNumberOfPages, engine_->GetNumberOfPages());
-      node.SetBoolean(kAccessibleLoaded,
-                      document_load_state_ != LOAD_STATE_LOADING);
-      bool has_permissions =
-          engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
-          engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
-      node.SetBoolean(kAccessibleCopyable, has_permissions);
-      std::string json;
-      base::JSONWriter::Write(node, &json);
-      reply.Set(pp::Var(kJSAccessibilityJSON), pp::Var(json));
-    }
-    PostMessage(reply);
   } else if (type == kJSStopScrollingType) {
     stop_scrolling_ = true;
   } else if (type == kJSGetSelectedTextType) {
     std::string selected_text = engine_->GetSelectedText();
     // Always return unix newlines to JS.
     base::ReplaceChars(selected_text, "\r", std::string(), &selected_text);
     pp::VarDictionary reply;
     reply.Set(pp::Var(kType), pp::Var(kJSGetSelectedTextReplyType));
     reply.Set(pp::Var(kJSSelectedText), selected_text);
     PostMessage(reply);
@@ skipping 1062 matching lines @@
     const pp::FloatPoint& scroll_offset) {
   float max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   float x = std::max(std::min(scroll_offset.x(), max_x), 0.0f);
   float min_y = -top_toolbar_height_;
   float max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   float y = std::max(std::min(scroll_offset.y(), max_y), min_y);
   return pp::FloatPoint(x, y);
 }
 
 }  // namespace chrome_pdf