IDL: Autogenerate thunk .cc file for PPB_View

BUG=


Review URL: https://chromiumcodereview.appspot.com/12220082

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182253 0039d316-1c4b-4281-b951-d872f2087c98

ppapi/api/dev/ppb_view_dev.idl

@@ -4,6 +4,9 @@
  */
 
 /* This file contains the <code>PPB_View_Dev</code> interface. */
+
+[generate_thunk]
+
 label Chrome {
   M22 = 0.1
 };

ppapi/api/ppb_view.idl

@@ -8,6 +8,8 @@
  * of the view of an instance.
  */
 
+[generate_thunk]
+
 label Chrome {
   M18 = 1.0
 };

ppapi/generators/idl_thunk.py

@@ -143,6 +143,7 @@ def _GetDefaultFailureValue(t):
       'PP_Bool': 'PP_FALSE',
       'PP_Resource': '0',
       'struct PP_Var': 'PP_MakeUndefined()',
+      'float': '0.0f',
       'int32_t': 'enter.retval()',
       'uint16_t': '0',
       'uint32_t': '0',

ppapi/ppapi_shared.gypi

@@ -231,6 +231,7 @@
           'thunk/ppb_video_decoder_api.h',
           'thunk/ppb_video_decoder_thunk.cc',
           'thunk/ppb_view_api.h',
+          'thunk/ppb_view_dev_thunk.cc',
           'thunk/ppb_view_thunk.cc',
           'thunk/ppb_websocket_api.h',
           'thunk/ppb_websocket_thunk.cc',

ppapi/shared_impl/ppb_view_shared.cc

@@ -4,6 +4,14 @@
 
 #include "ppapi/shared_impl/ppb_view_shared.h"
 
+namespace {
+
+bool IsRectNonempty(const PP_Rect& rect) {
+  return rect.size.width > 0 && rect.size.height > 0;
+}
+
+}  // namespace
+
 namespace ppapi {
 
 ViewData::ViewData() {
@@ -50,4 +58,38 @@ const ViewData& PPB_View_Shared::GetData() const {
   return data_;
 }
 
+PP_Bool PPB_View_Shared::GetRect(PP_Rect* viewport) const {
+  if (!viewport)
+    return PP_FALSE;
+  *viewport = data_.rect;
+  return PP_TRUE;
+}
+
+PP_Bool PPB_View_Shared::IsFullscreen() const {
+  return PP_FromBool(data_.is_fullscreen);
+}
+
+PP_Bool PPB_View_Shared::IsVisible() const {
+  return PP_FromBool(data_.is_page_visible && IsRectNonempty(data_.clip_rect));
+}
+
+PP_Bool PPB_View_Shared::IsPageVisible() const {
+  return PP_FromBool(data_.is_page_visible);
+}
+
+PP_Bool PPB_View_Shared::GetClipRect(PP_Rect* clip) const {
+  if (!clip)
+    return PP_FALSE;
+  *clip = data_.clip_rect;
+  return PP_TRUE;
+}
+
+float PPB_View_Shared::GetDeviceScale() const {
+  return data_.device_scale;
+}
+
+float PPB_View_Shared::GetCSSScale() const {
+  return data_.css_scale;
+}
+
 }  // namespace ppapi

ppapi/shared_impl/ppb_view_shared.h

@@ -43,6 +43,14 @@ class PPAPI_SHARED_EXPORT PPB_View_Shared
 
   // PPB_View_API implementation.
   virtual const ViewData& GetData() const OVERRIDE;
+  virtual PP_Bool GetRect(PP_Rect* viewport) const OVERRIDE;
+  virtual PP_Bool IsFullscreen() const OVERRIDE;
+  virtual PP_Bool IsVisible() const OVERRIDE;
+  virtual PP_Bool IsPageVisible() const OVERRIDE;
+  virtual PP_Bool GetClipRect(PP_Rect* clip) const
+      OVERRIDE;
+  virtual float GetDeviceScale() const OVERRIDE;
+  virtual float GetCSSScale() const OVERRIDE;
 
  private:
   ViewData data_;

ppapi/thunk/ppb_view_api.h

@@ -17,12 +17,16 @@ class PPAPI_THUNK_EXPORT PPB_View_API {
  public:
   virtual ~PPB_View_API() {}
 
-  // Returns the view data struct. We could have virtual functions here for
-  // each PPAPI function, but that would be more boilerplate for these simple
-  // getters so the logic is implemented in the thunk layer. If we start
-  // autogenerating the thunk layer and need this to be more regular, adding
-  // the API functions here should be fine.
+  // Returns the view data struct.
   virtual const ViewData& GetData() const = 0;
+
+  virtual PP_Bool GetRect(PP_Rect* viewport) const = 0;
+  virtual PP_Bool IsFullscreen() const = 0;
+  virtual PP_Bool IsVisible() const = 0;
+  virtual PP_Bool IsPageVisible() const = 0;
+  virtual PP_Bool GetClipRect(PP_Rect* clip) const = 0;
+  virtual float GetDeviceScale() const = 0;
+  virtual float GetCSSScale() const = 0;
 };
 
 }  // namespace thunk

ppapi/thunk/ppb_view_dev_thunk.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.
+
+// From dev/ppb_view_dev.idl modified Fri Feb  8 14:28:54 2013.
+
+#include "ppapi/c/dev/ppb_view_dev.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppb_view_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+float GetDeviceScale(PP_Resource resource) {
+  EnterResource<PPB_View_API> enter(resource, true);
+  if (enter.failed())
+    return 0.0f;
+  return enter.object()->GetDeviceScale();
+}
+
+float GetCSSScale(PP_Resource resource) {
+  EnterResource<PPB_View_API> enter(resource, true);
+  if (enter.failed())
+    return 0.0f;
+  return enter.object()->GetCSSScale();
+}
+
+const PPB_View_Dev_0_1 g_ppb_view_dev_thunk_0_1 = {
+  &GetDeviceScale,
+  &GetCSSScale
+};
+
+}  // namespace
+
+const PPB_View_Dev_0_1* GetPPB_View_Dev_0_1_Thunk() {
+  return &g_ppb_view_dev_thunk_0_1;
+}
+
+}  // namespace thunk
+}  // namespace ppapi

ppapi/thunk/ppb_view_thunk.cc

@@ -2,11 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ppapi/c/dev/ppb_view_dev.h"
+// From ppb_view.idl modified Fri Feb  8 14:28:54 2013.
+
+#include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_view.h"
-#include "ppapi/shared_impl/ppb_view_shared.h"
+#include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/ppb_view_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
 #include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
@@ -14,91 +18,59 @@ namespace thunk {
 
 namespace {
 
-typedef EnterResource<PPB_View_API> EnterView;
-
-bool IsRectVisible(const PP_Rect& rect) {
-  return rect.size.width > 0 && rect.size.height > 0;
-}
-
 PP_Bool IsView(PP_Resource resource) {
-  EnterView enter(resource, false);
-  return enter.succeeded() ? PP_TRUE : PP_FALSE;
+  EnterResource<PPB_View_API> enter(resource, false);
+  return PP_FromBool(enter.succeeded());
 }
 
-PP_Bool GetRect(PP_Resource resource, PP_Rect* viewport) {
-  EnterView enter(resource, true);
-  if (enter.failed() || !viewport)
+PP_Bool GetRect(PP_Resource resource, struct PP_Rect* rect) {
+  EnterResource<PPB_View_API> enter(resource, true);
+  if (enter.failed())
     return PP_FALSE;
-  *viewport = enter.object()->GetData().rect;
-  return PP_TRUE;
+  return enter.object()->GetRect(rect);
 }
 
 PP_Bool IsFullscreen(PP_Resource resource) {
-  EnterView enter(resource, true);
+  EnterResource<PPB_View_API> enter(resource, true);
   if (enter.failed())
     return PP_FALSE;
-  return PP_FromBool(enter.object()->GetData().is_fullscreen);
+  return enter.object()->IsFullscreen();
 }
 
-PP_Bool IsUserVisible(PP_Resource resource) {
-  EnterView enter(resource, true);
+PP_Bool IsVisible(PP_Resource resource) {
+  EnterResource<PPB_View_API> enter(resource, true);
   if (enter.failed())
     return PP_FALSE;
-  return PP_FromBool(enter.object()->GetData().is_page_visible &&
-                     IsRectVisible(enter.object()->GetData().clip_rect));
+  return enter.object()->IsVisible();
 }
 
 PP_Bool IsPageVisible(PP_Resource resource) {
-  EnterView enter(resource, true);
+  EnterResource<PPB_View_API> enter(resource, true);
   if (enter.failed())
     return PP_FALSE;
-  return PP_FromBool(enter.object()->GetData().is_page_visible);
-}
-
-PP_Bool GetClipRect(PP_Resource resource, PP_Rect* clip) {
-  EnterView enter(resource, true);
-  if (enter.failed() || !clip)
-    return PP_FALSE;
-  *clip = enter.object()->GetData().clip_rect;
-  return PP_TRUE;
+  return enter.object()->IsPageVisible();
 }
 
-float GetDeviceScale(PP_Resource resource) {
-  EnterView enter(resource, true);
+PP_Bool GetClipRect(PP_Resource resource, struct PP_Rect* clip) {
+  EnterResource<PPB_View_API> enter(resource, true);
   if (enter.failed())
-    return 0.0f;
-  return enter.object()->GetData().device_scale;
-}
-
-float GetCSSScale(PP_Resource resource) {
-  EnterView enter(resource, true);
-  if (enter.failed())
-    return 0.0f;
-  return enter.object()->GetData().css_scale;
+    return PP_FALSE;
+  return enter.object()->GetClipRect(clip);
 }
 
-const PPB_View g_ppb_view_thunk = {
+const PPB_View_1_0 g_ppb_view_thunk_1_0 = {
   &IsView,
   &GetRect,
   &IsFullscreen,
-  &IsUserVisible,
+  &IsVisible,
   &IsPageVisible,
   &GetClipRect
 };
 
-const PPB_View_Dev g_ppb_view_dev_thunk = {
-  &GetDeviceScale,
-  &GetCSSScale
-};
-
 }  // namespace
 
-const PPB_View* GetPPB_View_1_0_Thunk() {
-  return &g_ppb_view_thunk;
-}
-
-const PPB_View_Dev* GetPPB_View_Dev_0_1_Thunk() {
-  return &g_ppb_view_dev_thunk;
+const PPB_View_1_0* GetPPB_View_1_0_Thunk() {
+  return &g_ppb_view_thunk_1_0;
 }
 
 }  // namespace thunk