Mac: Infrastructure for serialization of OS fonts over IPC.

Renderer & Browser bits to send and receive IPC message for OOP font loading.

BUG=29729
TEST=All unit tests should pass.

Review URL: http://codereview.chromium.org/2811013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@50321 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 42 insertions, 7 deletions

diff --git a/chrome/renderer/renderer_webkitclient_impl.cc b/chrome/renderer/renderer_webkitclient_impl.cc
index 7135038..c9166dd2 100644
--- a/chrome/renderer/renderer_webkitclient_impl.cc
+++ b/chrome/renderer/renderer_webkitclient_impl.cc
@@ -13,8 +13,10 @@
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
+#include "base/shared_memory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/database_util.h"
+#include "chrome/common/font_loader_mac.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/webmessageportchannel_impl.h"
 #include "chrome/plugin/npobject_util.h"
@@ -32,11 +34,14 @@
 #include "third_party/WebKit/WebKit/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebIndexedDatabase.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebStorageEventDispatcher.h"
-#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebVector.h"
 #include "webkit/glue/webkit_glue.h"
 
+#if defined(OS_MACOSX)
+#include "chrome/common/font_descriptor_mac.h"
+#endif
+
 #if defined(OS_LINUX)
 #include "chrome/renderer/renderer_sandbox_support_linux.h"
 #endif
@@ -77,11 +82,7 @@ WebKit::WebFileSystem* RendererWebKitClientImpl::fileSystem() {
 }
 
 WebKit::WebSandboxSupport* RendererWebKitClientImpl::sandboxSupport() {
-#if defined(OS_WIN) || defined(OS_LINUX)
   return &sandbox_support_;
-#else
-  return NULL;
-#endif
 }
 
 WebKit::WebCookieJar* RendererWebKitClientImpl::cookieJar() {
@@ -333,6 +334,34 @@ void RendererWebKitClientImpl::SandboxSupport::getRenderStyleForStrike(
   renderer_sandbox_support::getRenderStyleForStrike(family, sizeAndStyle, out);
 }
 
+#elif defined(OS_MACOSX)
+
+bool RendererWebKitClientImpl::SandboxSupport::loadFont(NSFont* srcFont,
+    ATSFontContainerRef* out) {
+  DCHECK(srcFont);
+  DCHECK(out);
+
+  uint32 font_data_size;
+  FontDescriptor src_font_descriptor(srcFont);
+  base::SharedMemoryHandle font_data;
+  if (!RenderThread::current()->Send(new ViewHostMsg_LoadFont(
+        src_font_descriptor, &font_data_size, &font_data))) {
+    LOG(ERROR) << "Sending ViewHostMsg_LoadFont() IPC failed for " <<
+        src_font_descriptor.font_name;
+    *out = kATSFontContainerRefUnspecified;
+    return false;
+  }
+
+  if (font_data_size == 0 || font_data == base::SharedMemory::NULLHandle()) {
+    LOG(ERROR) << "Bad response from ViewHostMsg_LoadFont() for " <<
+        src_font_descriptor.font_name;
+    *out = kATSFontContainerRefUnspecified;
+    return false;
+  }
+
+  return FontLoader::ATSFontContainerFromBuffer(font_data, font_data_size, out);
+}
+
 #endif
 
 //------------------------------------------------------------------------------
diff --git a/chrome/renderer/renderer_webkitclient_impl.h b/chrome/renderer/renderer_webkitclient_impl.h
index 17e706f..86fdf1f 100644
--- a/chrome/renderer/renderer_webkitclient_impl.h
+++ b/chrome/renderer/renderer_webkitclient_impl.h
@@ -20,6 +20,8 @@
 #include <map>
 #include "base/lock.h"
 #include "third_party/WebKit/WebKit/chromium/public/linux/WebSandboxSupport.h"
+#elif defined(OS_MACOSX)
+#include "third_party/WebKit/WebKit/chromium/public/mac/WebSandboxSupport.h"
 #endif
 
 namespace IPC {
@@ -113,6 +115,11 @@ class RendererWebKitClientImpl : public webkit_glue::WebKitClientImpl {
     Lock unicode_font_families_mutex_;
     std::map<std::string, std::string> unicode_font_families_;
   };
+#elif defined(OS_MACOSX)
+  class SandboxSupport : public WebKit::WebSandboxSupport {
+   public:
+    virtual bool loadFont(NSFont* srcFont, ATSFontContainerRef* out);
+  };
 #endif
 
   // Helper function to send synchronous message from any thread.
@@ -123,9 +130,8 @@ class RendererWebKitClientImpl : public webkit_glue::WebKitClientImpl {
   FileSystem file_system_;
 
   MimeRegistry mime_registry_;
-#if defined(OS_WIN) || defined(OS_LINUX)
+
   SandboxSupport sandbox_support_;
-#endif
 
   // This counter keeps track of the number of times sudden termination is
   // enabled or disabled. It starts at 0 (enabled) and for every disable