Revert 172806

webkit/plugins/ppapi/ppb_flash_impl.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 "webkit/plugins/ppapi/ppb_flash_impl.h"
 
 #include <string>
+#include <vector>
 
 #include "googleurl/src/gurl.h"
 #include "ppapi/c/private/ppb_flash.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/shared_impl/time_conversion.h"
 #include "ppapi/shared_impl/var.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_image_data_api.h"
+#include "ppapi/thunk/ppb_url_request_info_api.h"
+#include "skia/ext/platform_canvas.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkMatrix.h"
+#include "third_party/skia/include/core/SkPaint.h"
+#include "third_party/skia/include/core/SkPoint.h"
+#include "third_party/skia/include/core/SkTemplates.h"
+#include "third_party/skia/include/core/SkTypeface.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/WebPluginContainer.h"
+#include "ui/gfx/rect.h"
 #include "webkit/plugins/ppapi/common.h"
 #include "webkit/plugins/ppapi/host_globals.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
 #include "webkit/plugins/ppapi/plugin_module.h"
 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
 #include "webkit/plugins/ppapi/resource_helper.h"
+#include "webkit/plugins/ppapi/ppb_image_data_impl.h"
 
 using ppapi::PPTimeToTime;
 using ppapi::StringVar;
 using ppapi::thunk::EnterResourceNoLock;
+using ppapi::thunk::PPB_ImageData_API;
+using ppapi::thunk::PPB_URLRequestInfo_API;
 
 namespace webkit {
 namespace ppapi {
 
 PPB_Flash_Impl::PPB_Flash_Impl(PluginInstance* instance)
     : instance_(instance) {
 }
 
 PPB_Flash_Impl::~PPB_Flash_Impl() {
 }
 
+void PPB_Flash_Impl::SetInstanceAlwaysOnTop(PP_Instance instance,
+                                            PP_Bool on_top) {
+  instance_->set_always_on_top(PP_ToBool(on_top));
+}
+
+PP_Bool PPB_Flash_Impl::DrawGlyphs(
+    PP_Instance instance,
+    PP_Resource pp_image_data,
+    const PP_BrowserFont_Trusted_Description* font_desc,
+    uint32_t color,
+    const PP_Point* position,
+    const PP_Rect* clip,
+    const float transformation[3][3],
+    PP_Bool allow_subpixel_aa,
+    uint32_t glyph_count,
+    const uint16_t glyph_indices[],
+    const PP_Point glyph_advances[]) {
+  EnterResourceNoLock<PPB_ImageData_API> enter(pp_image_data, true);
+  if (enter.failed())
+    return PP_FALSE;
+  PPB_ImageData_Impl* image_resource =
+      static_cast<PPB_ImageData_Impl*>(enter.object());
+
+  ImageDataAutoMapper mapper(image_resource);
+  if (!mapper.is_valid())
+    return PP_FALSE;
+
+  // Set up the typeface.
+  StringVar* face_name = StringVar::FromPPVar(font_desc->face);
+  if (!face_name)
+    return PP_FALSE;
+  int style = SkTypeface::kNormal;
+  if (font_desc->weight >= PP_BROWSERFONT_TRUSTED_WEIGHT_BOLD)
+    style |= SkTypeface::kBold;
+  if (font_desc->italic)
+    style |= SkTypeface::kItalic;
+  skia::RefPtr<SkTypeface> typeface = skia::AdoptRef(
+      SkTypeface::CreateFromName(face_name->value().c_str(),
+                                 static_cast<SkTypeface::Style>(style)));
+  if (!typeface)
+    return PP_FALSE;
+
+  // Set up the canvas.
+  SkCanvas* canvas = image_resource->GetPlatformCanvas();
+  SkAutoCanvasRestore acr(canvas, true);
+
+  // Clip is applied in pixels before the transform.
+  SkRect clip_rect = { SkIntToScalar(clip->point.x),
+                       SkIntToScalar(clip->point.y),
+                       SkIntToScalar(clip->point.x + clip->size.width),
+                       SkIntToScalar(clip->point.y + clip->size.height) };
+  canvas->clipRect(clip_rect);
+
+  // Convert & set the matrix.
+  SkMatrix matrix;
+  matrix.set(SkMatrix::kMScaleX, SkFloatToScalar(transformation[0][0]));
+  matrix.set(SkMatrix::kMSkewX,  SkFloatToScalar(transformation[0][1]));
+  matrix.set(SkMatrix::kMTransX, SkFloatToScalar(transformation[0][2]));
+  matrix.set(SkMatrix::kMSkewY,  SkFloatToScalar(transformation[1][0]));
+  matrix.set(SkMatrix::kMScaleY, SkFloatToScalar(transformation[1][1]));
+  matrix.set(SkMatrix::kMTransY, SkFloatToScalar(transformation[1][2]));
+  matrix.set(SkMatrix::kMPersp0, SkFloatToScalar(transformation[2][0]));
+  matrix.set(SkMatrix::kMPersp1, SkFloatToScalar(transformation[2][1]));
+  matrix.set(SkMatrix::kMPersp2, SkFloatToScalar(transformation[2][2]));
+  canvas->concat(matrix);
+
+  SkPaint paint;
+  paint.setColor(color);
+  paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
+  paint.setAntiAlias(true);
+  paint.setHinting(SkPaint::kFull_Hinting);
+  paint.setTextSize(SkIntToScalar(font_desc->size));
+  paint.setTypeface(typeface.get());  // Takes a ref and manages lifetime.
+  if (allow_subpixel_aa) {
+    paint.setSubpixelText(true);
+    paint.setLCDRenderText(true);
+  }
+
+  SkScalar x = SkIntToScalar(position->x);
+  SkScalar y = SkIntToScalar(position->y);
+
+  // Build up the skia advances.
+  if (glyph_count == 0)
+    return PP_TRUE;
+  std::vector<SkPoint> storage;
+  storage.resize(glyph_count);
+  SkPoint* sk_positions = &storage[0];
+  for (uint32_t i = 0; i < glyph_count; i++) {
+    sk_positions[i].set(x, y);
+    x += SkFloatToScalar(glyph_advances[i].x);
+    y += SkFloatToScalar(glyph_advances[i].y);
+  }
+
+  canvas->drawPosText(glyph_indices, glyph_count * 2, sk_positions, paint);
+
+  return PP_TRUE;
+}
+
+int32_t PPB_Flash_Impl::Navigate(PP_Instance instance,
+                                 PP_Resource request_info,
+                                 const char* target,
+                                 PP_Bool from_user_action) {
+  EnterResourceNoLock<PPB_URLRequestInfo_API> enter(request_info, true);
+  if (enter.failed())
+    return PP_ERROR_BADRESOURCE;
+  return Navigate(instance, enter.object()->GetData(), target,
+                  from_user_action);
+}
+
+int32_t PPB_Flash_Impl::Navigate(PP_Instance instance,
+                                 const ::ppapi::URLRequestInfoData& data,
+                                 const char* target,
+                                 PP_Bool from_user_action) {
+  if (!target)
+    return PP_ERROR_BADARGUMENT;
+  return instance_->Navigate(data, target, PP_ToBool(from_user_action));
+}
+
 double PPB_Flash_Impl::GetLocalTimeZoneOffset(PP_Instance instance,
                                               PP_Time t) {
   // Evil hack. The time code handles exact "0" values as special, and produces
   // a "null" Time object. This will represent some date hundreds of years ago
   // and will give us funny results at 1970 (there are some tests where this
   // comes up, but it shouldn't happen in real life). To work around this
   // special handling, we just need to give it some nonzero value.
   if (t == 0.0)
     t = 0.0000000001;
 
   // We can't do the conversion here because on Linux, the localtime calls
   // require filesystem access prohibited by the sandbox.
   return instance_->delegate()->GetLocalTimeZoneOffset(PPTimeToTime(t));
 }
 
+PP_Bool PPB_Flash_Impl::IsRectTopmost(PP_Instance instance,
+                                      const PP_Rect* rect) {
+  return PP_FromBool(instance_->IsRectTopmost(
+      gfx::Rect(rect->point.x, rect->point.y,
+                rect->size.width, rect->size.height)));
+}
+
 PP_Var PPB_Flash_Impl::GetSetting(PP_Instance instance,
                                   PP_FlashSetting setting) {
   switch(setting) {
     case PP_FLASHSETTING_LSORESTRICTIONS: {
       return PP_MakeInt32(
           instance_->delegate()->GetLocalDataRestrictions(
               instance_->container()->element().document().url(),
               instance_->plugin_url()));
     }
     default:
       // No other settings are supported in-process.
       return PP_MakeUndefined();
   }
 }
 
 }  // namespace ppapi
 }  // namespace webkit