Change the print preview UI to use the material design style buttons for zoom

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 <algorithm>  // for min/max()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
@@ skipping 35 matching lines @@
 
 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";
 
-// PDF background colors.
-const uint32 kBackgroundColor = 0xFFCCCCCC;
-const uint32 kBackgroundColorMaterial = 0xFF525659;
-
 // 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 204 matching lines @@
       document_load_state_(LOAD_STATE_LOADING),
       preview_document_load_state_(LOAD_STATE_COMPLETE),
       uma_(this),
       told_browser_about_unsupported_feature_(false),
       print_preview_page_count_(0),
       last_progress_sent_(0),
       recently_sent_find_update_(false),
       received_viewport_message_(false),
       did_call_start_loading_(false),
       stop_scrolling_(false),
-      background_color_(kBackgroundColor),
+      background_color_(0),
       top_toolbar_height_(0) {
   loader_factory_.Initialize(this);
   timer_factory_.Initialize(this);
   form_factory_.Initialize(this);
   print_callback_factory_.Initialize(this);
   engine_.reset(PDFEngine::Create(this));
   pp::Module::Get()->AddPluginInterface(kPPPPdfInterface, &ppp_private);
   AddPerInstanceObject(kPPPPdfInterface, this);
 
   RequestFilteringInputEvents(PP_INPUTEVENT_CLASS_MOUSE);
@@ skipping 48 matching lines @@
       GetLocalizedString(PP_RESOURCESTRING_PDFLOADING));
   translated_strings.Set(kJSLoadFailedString,
       GetLocalizedString(PP_RESOURCESTRING_PDFLOAD_FAILED));
   PostMessage(translated_strings);
 
   text_input_.reset(new pp::TextInput_Dev(this));
 
   const char* stream_url = nullptr;
   const char* original_url = nullptr;
   const char* headers = nullptr;
-  bool is_material = false;
   for (uint32_t i = 0; i < argc; ++i) {
+    bool success = true;
     if (strcmp(argn[i], "src") == 0)
       original_url = argv[i];
     else if (strcmp(argn[i], "stream-url") == 0)
       stream_url = argv[i];
     else if (strcmp(argn[i], "headers") == 0)
       headers = argv[i];
-    else if (strcmp(argn[i], "is-material") == 0)
-      is_material = true;
+    else if (strcmp(argn[i], "background-color") == 0)
+      success = base::HexStringToUInt(argv[i], &background_color_);
     else if (strcmp(argn[i], "top-toolbar-height") == 0)
-      base::StringToInt(argv[i], &top_toolbar_height_);
+      success = base::StringToInt(argv[i], &top_toolbar_height_);
+
+    if (!success)
+      return false;
   }
 
-  if (is_material)
-    background_color_ = kBackgroundColorMaterial;
-  else
-    background_color_ = kBackgroundColor;
-
   if (!original_url)
     return false;
 
   if (!stream_url)
     stream_url = original_url;
 
   // If we're in print preview mode we don't need to load the document yet.
   // A |kJSResetPrintPreviewModeType| message will be sent to the plugin letting
   // it know the url to load. By not loading here we avoid loading the same
   // document twice.
@@ skipping 1056 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