PDF Viewer - Add keyboard shortcuts for rotation

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 106 matching lines @@
 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";
 const char kJSEmailBcc[] = "bcc";
 const char kJSEmailSubject[] = "subject";
 const char kJSEmailBody[] = "body";
+// Rotation (Page -> Plugin)
+const char kJSRotateClockwiseType[] = "rotateClockwise";
+const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
 
 const int kFindResultCooldownMs = 100;
 
 const double kMinZoom = 0.01;
 
 namespace {
 
 static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
 
 PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
@@ skipping 230 matching lines @@
     if (password_callback_) {
       pp::CompletionCallbackWithOutput<pp::Var> callback = *password_callback_;
       password_callback_.reset();
       *callback.output() = dict.Get(pp::Var(kJSPassword)).pp_var();
       callback.Run(PP_OK);
     } else {
       NOTREACHED();
     }
   } else if (type == kJSPrintType) {
     Print();
+  } else if (type == kJSRotateClockwiseType) {
+    RotateClockwise();
+  } else if (type == kJSRotateCounterclockwiseType) {
+    RotateCounterclockwise();
   } else if (type == kJSResetPrintPreviewModeType &&
              dict.Get(pp::Var(kJSPrintPreviewUrl)).is_string() &&
              dict.Get(pp::Var(kJSPrintPreviewGrayscale)).is_bool() &&
              dict.Get(pp::Var(kJSPrintPreviewPageCount)).is_int()) {
     url_ = dict.Get(pp::Var(kJSPrintPreviewUrl)).AsString();
     preview_pages_info_ = std::queue<PreviewPageInfo>();
     preview_document_load_state_ = LOAD_STATE_COMPLETE;
     document_load_state_ = LOAD_STATE_LOADING;
     LoadUrl(url_);
     preview_engine_.reset();
@@ skipping 972 matching lines @@
 pp::Point OutOfProcessInstance::BoundScrollOffsetToDocument(
     const pp::Point& scroll_offset) {
   int max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   int x = std::max(std::min(scroll_offset.x(), max_x), 0);
   int max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   int y = std::max(std::min(scroll_offset.y(), max_y), 0);
   return pp::Point(x, y);
 }
 
 }  // namespace chrome_pdf