Rename PPB_Font to PPB_BrowserFont_Trusted.

ppapi/shared_impl/private/ppb_browser_font_trusted_shared.h

+// 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.
+
+#ifndef PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_
+#define PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/shared_impl/ppapi_preferences.h"
+#include "ppapi/shared_impl/ppapi_shared_export.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/ppb_browser_font_trusted_api.h"
+
+namespace skia {
+class PlatformCanvas;
+}
+
+namespace WebKit {
+class WebFont;
+}
+
+namespace ppapi {
+
+class PPAPI_SHARED_EXPORT PPB_BrowserFont_Trusted_Shared
+    : public Resource,
+      public thunk::PPB_BrowserFont_Trusted_API {
+ public:
+  // Validates the parameters in thee description. Can be called on any thread.
+  static bool IsPPFontDescriptionValid(
+      const PP_BrowserFont_Trusted_Description& desc);
+
+  virtual ~PPB_BrowserFont_Trusted_Shared();
+
+  static PP_Resource Create(
+      ResourceObjectType type,
+      PP_Instance instance,
+      const PP_BrowserFont_Trusted_Description& description,
+      const ::ppapi::Preferences& prefs);
+
+  // Resource.
+  virtual ::ppapi::thunk::PPB_BrowserFont_Trusted_API*
+      AsPPB_BrowserFont_Trusted_API() OVERRIDE;
+
+  // PPB_Font implementation.
+  virtual PP_Bool Describe(PP_BrowserFont_Trusted_Description* description,
+                           PP_BrowserFont_Trusted_Metrics* metrics) OVERRIDE;
+  virtual PP_Bool DrawTextAt(PP_Resource image_data,
+                             const PP_BrowserFont_Trusted_TextRun* text,
+                             const PP_Point* position,
+                             uint32_t color,
+                             const PP_Rect* clip,
+                             PP_Bool image_data_is_opaque) OVERRIDE;
+  virtual int32_t MeasureText(
+      const PP_BrowserFont_Trusted_TextRun* text) OVERRIDE;
+  virtual uint32_t CharacterOffsetForPixel(
+      const PP_BrowserFont_Trusted_TextRun* text,
+      int32_t pixel_position) OVERRIDE;
+  virtual int32_t PixelOffsetForCharacter(
+      const PP_BrowserFont_Trusted_TextRun* text,
+      uint32_t char_offset) OVERRIDE;
+
+ private:
+  PPB_BrowserFont_Trusted_Shared(ResourceObjectType type,
+                                 PP_Instance instance,
+                                 const PP_BrowserFont_Trusted_Description& desc,
+                                 const Preferences& prefs);
+
+  // Internal version of DrawTextAt that takes a mapped PlatformCanvas.
+  void DrawTextToCanvas(skia::PlatformCanvas* destination,
+                        const PP_BrowserFont_Trusted_TextRun& text,
+                        const PP_Point* position,
+                        uint32_t color,
+                        const PP_Rect* clip,
+                        PP_Bool image_data_is_opaque);
+
+  scoped_ptr<WebKit::WebFont> font_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_BrowserFont_Trusted_Shared);
+};
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_PRIVATE_PPB_BROWSER_FONT_TRUSTED_SHARED_H_