Switch the background color in PDF Viewer when using Material Design

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 34 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 = 0xFFEEEEEE;
+
 // 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 259 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 = NULL;
   const char* original_url = NULL;
   const char* headers = NULL;
+  const char* isMaterial = NULL;
   for (uint32_t i = 0; i < argc; ++i) {
     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)
+      isMaterial = argv[i];
   }
 
+  if (strcmp(isMaterial, "true") == 0)
+      engine_->SetBackgroundColor(kBackgroundColorMaterial);
+  else
+      engine_->SetBackgroundColor(kBackgroundColor);
+
+
   // TODO(raymes): This is a hack to ensure that if no headers are passed in
   // then we get the right MIME type. When the in process plugin is removed we
   // can fix the document loader properly and remove this hack.
   if (!headers || strcmp(headers, "") == 0)
     headers = "content-type: application/pdf";
 
   if (!original_url)
     return false;
 
   if (!stream_url)
@@ skipping 302 matching lines @@
     const std::vector<pp::Rect>& paint_rects,
     std::vector<PaintManager::ReadyRect>* ready,
     std::vector<pp::Rect>* pending) {
   if (image_data_.is_null()) {
     DCHECK(plugin_size_.IsEmpty());
     return;
   }
   if (first_paint_) {
     first_paint_ = false;
     pp::Rect rect = pp::Rect(pp::Point(), image_data_.size());
-    FillRect(rect, kBackgroundColor);
+    FillRect(rect, engine_->GetBackgroundColor());
     ready->push_back(PaintManager::ReadyRect(rect, image_data_, true));
   }
 
   if (!received_viewport_message_)
     return;
 
   engine_->PrePaint();
 
   for (size_t i = 0; i < paint_rects.size(); i++) {
     // Intersect with plugin area since there could be pending invalidates from
@@ skipping 72 matching lines @@
   background_parts_.clear();
   int left_width = available_area_.x();
   int right_start = available_area_.right();
   int right_width = abs(plugin_size_.width() - available_area_.right());
   int bottom = std::min(available_area_.bottom(), plugin_size_.height());
 
   // Add the left, right, and bottom rectangles.  Note: we assume only
   // horizontal centering.
   BackgroundPart part = {
     pp::Rect(0, 0, left_width, bottom),
-    kBackgroundColor
+    engine_->GetBackgroundColor()
   };
   if (!part.location.IsEmpty())
     background_parts_.push_back(part);
   part.location = pp::Rect(right_start, 0, right_width, bottom);
   if (!part.location.IsEmpty())
     background_parts_.push_back(part);
   part.location = pp::Rect(
       0, bottom, plugin_size_.width(), plugin_size_.height() - bottom);
   if (!part.location.IsEmpty())
     background_parts_.push_back(part);
@@ skipping 606 matching lines @@
 pp::FloatPoint OutOfProcessInstance::BoundScrollOffsetToDocument(
     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 max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   float y = std::max(std::min(scroll_offset.y(), max_y), 0.0f);
   return pp::FloatPoint(x, y);
 }
 
 }  // namespace chrome_pdf