Print Preview: Disable controls when printing an embedded PDF.

BUG=79524
TEST=Open a page with an embedded PDF, right click and print.
Review URL: http://codereview.chromium.org/6969031

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@85199 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 20 insertions, 4 deletions

diff --git a/chrome/renderer/print_web_view_helper.cc b/chrome/renderer/print_web_view_helper.cc
index 5602fd0..f07ef87 100644
--- a/chrome/renderer/print_web_view_helper.cc
+++ b/chrome/renderer/print_web_view_helper.cc
@@ -17,10 +17,12 @@
 #include "printing/metafile.h"
 #include "printing/units.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDataSource.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
@@ -497,6 +499,16 @@ void PrintWebViewHelper::GetPageSizeAndMarginsInPoints(
         ConvertPixelsToPointDouble(margin_left_in_pixels);
 }
 
+bool PrintWebViewHelper::IsModifiable(WebKit::WebFrame* frame,
+                                      WebKit::WebNode* node) {
+  if (node)
+    return false;
+  std::string mime(frame->dataSource()->response().mimeType().utf8());
+  if (mime == "application/pdf")
+    return false;
+  return true;
+}
+
 void PrintWebViewHelper::UpdatePrintableSizeInPrintParameters(
     WebFrame* frame,
     WebNode* node,
diff --git a/chrome/renderer/print_web_view_helper.h b/chrome/renderer/print_web_view_helper.h
index 4b1dd33..2a4f1ff 100644
--- a/chrome/renderer/print_web_view_helper.h
+++ b/chrome/renderer/print_web_view_helper.h
@@ -211,7 +211,7 @@ class PrintWebViewHelper : public RenderViewObserver ,
   bool CopyMetafileDataToSharedMem(printing::Metafile* metafile,
                                    base::SharedMemoryHandle* shared_mem_handle);
 
-  static void GetPageSizeAndMarginsInPoints(
+  void GetPageSizeAndMarginsInPoints(
       WebKit::WebFrame* frame,
       int page_index,
       const PrintMsg_Print_Params& default_params,
@@ -222,6 +222,8 @@ class PrintWebViewHelper : public RenderViewObserver ,
       double* margin_bottom_in_points,
       double* margin_left_in_points);
 
+  bool IsModifiable(WebKit::WebFrame* frame, WebKit::WebNode* node);
+
   void UpdatePrintableSizeInPrintParameters(WebKit::WebFrame* frame,
                                             WebKit::WebNode* node,
                                             PrintMsg_Print_Params* params);
diff --git a/chrome/renderer/print_web_view_helper_linux.cc b/chrome/renderer/print_web_view_helper_linux.cc
index b64f32d..a538b9d 100644
--- a/chrome/renderer/print_web_view_helper_linux.cc
+++ b/chrome/renderer/print_web_view_helper_linux.cc
@@ -39,9 +39,10 @@ bool PrintWebViewHelper::CreatePreviewDocument(
   DCHECK_GT(buf_size, 0u);
 
   PrintHostMsg_DidPreviewDocument_Params preview_params;
+  preview_params.data_size = buf_size;
   preview_params.document_cookie = params.params.document_cookie;
   preview_params.expected_pages_count = page_count;
-  preview_params.data_size = buf_size;
+  preview_params.modifiable = IsModifiable(frame, node);
 
   if (!CopyMetafileDataToSharedMem(&metafile,
                                    &(preview_params.metafile_data_handle))) {
diff --git a/chrome/renderer/print_web_view_helper_mac.mm b/chrome/renderer/print_web_view_helper_mac.mm
index af5e839..27e8487 100644
--- a/chrome/renderer/print_web_view_helper_mac.mm
+++ b/chrome/renderer/print_web_view_helper_mac.mm
@@ -92,6 +92,7 @@ bool PrintWebViewHelper::CreatePreviewDocument(
   preview_params.data_size = metafile.GetDataSize();
   preview_params.document_cookie = params.params.document_cookie;
   preview_params.expected_pages_count = page_count;
+  preview_params.modifiable = IsModifiable(frame, node);
 
   // Ask the browser to create the shared memory for us.
   if (!CopyMetafileDataToSharedMem(&metafile,
diff --git a/chrome/renderer/print_web_view_helper_win.cc b/chrome/renderer/print_web_view_helper_win.cc
index f55f576..82dbdeb 100644
--- a/chrome/renderer/print_web_view_helper_win.cc
+++ b/chrome/renderer/print_web_view_helper_win.cc
@@ -162,10 +162,10 @@ bool PrintWebViewHelper::CreatePreviewDocument(
   DCHECK_GT(buf_size, 128u);
 
   PrintHostMsg_DidPreviewDocument_Params preview_params;
-  preview_params.document_cookie = params.params.document_cookie;
   preview_params.data_size = buf_size;
-  preview_params.metafile_data_handle = NULL;
+  preview_params.document_cookie = params.params.document_cookie;
   preview_params.expected_pages_count = page_count;
+  preview_params.modifiable = IsModifiable(frame, node);
 
   if (!CopyMetafileDataToSharedMem(metafile.get(),
                                    &(preview_params.metafile_data_handle))) {