Add a font API to Pepper and implement on Linux based on agl's ...

chrome/renderer/webplugin_delegate_pepper.cc

 // Copyright (c) 2010 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.
 
 #define PEPPER_APIS_ENABLED 1
 
 #include "chrome/renderer/webplugin_delegate_pepper.h"
 
 #include <string>
 #include <vector>
 
+#if defined(OS_LINUX)
+#include <unistd.h>
+#endif
+
 #include "base/file_util.h"
 #include "base/keyboard_codes.h"
 #if defined(OS_MACOSX)
 #include "base/mac_util.h"
 #endif
 #include "base/md5.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #if defined(OS_MACOSX)
 #include "base/scoped_cftyperef.h"
 #endif
 #include "base/scoped_ptr.h"
 #include "base/stats_counters.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/pepper_widget.h"
 #include "chrome/renderer/render_thread.h"
+#if defined(OS_LINUX)
+#include "chrome/renderer/renderer_sandbox_support_linux.h"
+#endif
 #include "chrome/renderer/webplugin_delegate_proxy.h"
 #include "gfx/blit.h"
 #if defined(OS_WIN)
 #include "gfx/codec/jpeg_codec.h"
 #include "gfx/gdi_util.h"
 #include "skia/ext/vector_platform_device.h"
 #endif
 #include "third_party/npapi/bindings/npapi_extensions.h"
 #include "third_party/npapi/bindings/npapi_extensions_private.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCursorInfo.h"
@@ skipping 379 matching lines @@
 COMPILE_ASSERT_MATCHING_ENUM(TypeNone, NPCursorTypeNone);
 COMPILE_ASSERT_MATCHING_ENUM(TypeNotAllowed, NPCursorTypeNotAllowed);
 COMPILE_ASSERT_MATCHING_ENUM(TypeZoomIn, NPCursorTypeZoomIn);
 COMPILE_ASSERT_MATCHING_ENUM(TypeZoomOut, NPCursorTypeZoomOut);
 
 bool WebPluginDelegatePepper::SetCursor(NPCursorType type) {
   cursor_.reset(new WebCursorInfo(static_cast<WebCursorInfo::Type>(type)));
   return true;
 }
 
+NPError NPMatchFontWithFallback(NPP instance,
+                                const NPFontDescription* description,
+                                NPFontID* id) {
+#if defined(OS_LINUX)
+  int fd = renderer_sandbox_support::MatchFontWithFallback(
+      description->face, description->weight >= 700, description->italic,
+      description->charset);
+  if (fd == -1)
+    return NPERR_GENERIC_ERROR;
+  *id = fd;
+  return NPERR_NO_ERROR;
+#else
+  NOTIMPLEMENTED();
+  return NPERR_GENERIC_ERROR;
+#endif
+}
+
+NPError GetFontTable(NPP instance,
+                     NPFontID id,
+                     uint32_t table,
+                     void* output,
+                     size_t* output_length) {
+#if defined(OS_LINUX)
+  bool rv = renderer_sandbox_support::GetFontTable(
+      id, table, static_cast<uint8_t*>(output), output_length);
+  return rv ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
+#else
+  NOTIMPLEMENTED();
+  return NPERR_GENERIC_ERROR;
+#endif
+}
+
+NPError NPDestroyFont(NPP instance, NPFontID id) {
+#if defined(OS_LINUX)
+  close(id);
+  return NPERR_NO_ERROR;
+#else
+  NOTIMPLEMENTED();
+  return NPERR_GENERIC_ERROR;
+#endif
+}
+
+NPFontExtensions g_font_extensions = {
+  NPMatchFontWithFallback,
+  GetFontTable,
+  NPDestroyFont
+};
+
+NPFontExtensions* WebPluginDelegatePepper::GetFontExtensions() {
+  return &g_font_extensions;
+}
+
 void WebPluginDelegatePepper::Zoom(int factor) {
   NPPExtensions* extensions = NULL;
   instance()->NPP_GetValue(NPPVPepperExtensions, &extensions);
   if (extensions && extensions->zoom)
     extensions->zoom(instance()->npp(), factor);
 }
 
 void WebPluginDelegatePepper::Copy() {
   NPPExtensions* extensions = NULL;
   instance()->NPP_GetValue(NPPVPepperExtensions, &extensions);
@@ skipping 1113 matching lines @@
   bounds.origin.x = dest_rect.x();
   bounds.origin.y = canvas_height - dest_rect.y() - dest_rect.height();
   bounds.size.width = dest_rect.width();
   bounds.size.height = dest_rect.height();
 
   CGContextDrawImage(canvas, bounds, image);
   CGContextRestoreGState(canvas);
 }
 #endif  // defined(OS_MACOSX)