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Unified Diff: ppapi/proxy/graphics_2d_resource.cc

Issue 11053003: Migrate Graphics2D to new design. (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: rebase Created 8 years, 1 month ago
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Index: ppapi/proxy/graphics_2d_resource.cc
diff --git a/ppapi/proxy/graphics_2d_resource.cc b/ppapi/proxy/graphics_2d_resource.cc
new file mode 100644
index 0000000000000000000000000000000000000000..aba7d14e5cd0113eb5231582af27c8580ae42c6a
--- /dev/null
+++ b/ppapi/proxy/graphics_2d_resource.cc
@@ -0,0 +1,150 @@
+// 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 "ppapi/proxy/graphics_2d_resource.h"
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_point.h"
+#include "ppapi/c/pp_rect.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_size.h"
+#include "ppapi/c/ppb_graphics_2d.h"
+#include "ppapi/proxy/dispatch_reply_message.h"
+#include "ppapi/proxy/ppapi_messages.h"
+#include "ppapi/proxy/ppb_image_data_proxy.h"
+#include "ppapi/shared_impl/ppapi_globals.h"
+#include "ppapi/shared_impl/resource_tracker.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+
+namespace ppapi {
+namespace proxy {
+
+Graphics2DResource::Graphics2DResource(Connection connection,
+ PP_Instance instance,
+ const PP_Size& size,
+ PP_Bool is_always_opaque)
+ : PluginResource(connection, instance),
+ size_(size),
+ is_always_opaque_(is_always_opaque),
+ scale_(1.0f) {
+ // These checks are copied from PPB_ImageData_Impl::Init to make tests passed.
+ // Let's remove/refactor this when start to refactor ImageData.
+ bool bad_args = size.width <= 0 || size.height <= 0 ||
+ static_cast<int64>(size.width) * static_cast<int64>(size.height) >=
+ std::numeric_limits<int32>::max() / 4;
+ if (!bad_args && !sent_create_to_renderer()) {
+ SendCreate(RENDERER,
+ PpapiHostMsg_Graphics2D_Create(size, is_always_opaque));
+ }
+}
+
+Graphics2DResource::~Graphics2DResource() {
+}
+
+PP_Bool Graphics2DResource::Describe(PP_Size* size, PP_Bool* is_always_opaque) {
+ *size = size_;
+ *is_always_opaque = is_always_opaque_;
+ return PP_TRUE;
+}
+
+thunk::PPB_Graphics2D_API* Graphics2DResource::AsPPB_Graphics2D_API() {
+ return this;
+}
+
+void Graphics2DResource::PaintImageData(PP_Resource image_data,
+ const PP_Point* top_left,
+ const PP_Rect* src_rect) {
+ Resource* image_object =
+ PpapiGlobals::Get()->GetResourceTracker()->GetResource(image_data);
+ if (!image_object || pp_instance() != image_object->pp_instance()) {
+ Log(PP_LOGLEVEL_ERROR,
+ "Graphics2DResource.PaintImageData: Bad image resource.");
+ return;
+ }
+
+ PP_Rect dummy;
+ memset(&dummy, 0, sizeof(PP_Rect));
+ Post(RENDERER, PpapiHostMsg_Graphics2D_PaintImageData(
+ image_object->host_resource(), *top_left,
+ !!src_rect, src_rect ? *src_rect : dummy));
+}
+
+void Graphics2DResource::Scroll(const PP_Rect* clip_rect,
+ const PP_Point* amount) {
+ PP_Rect dummy;
+ memset(&dummy, 0, sizeof(PP_Rect));
+ Post(RENDERER, PpapiHostMsg_Graphics2D_Scroll(
+ !!clip_rect, clip_rect ? *clip_rect : dummy, *amount));
+}
+
+void Graphics2DResource::ReplaceContents(PP_Resource image_data) {
+ thunk::EnterResourceNoLock<thunk::PPB_ImageData_API> enter_image(
+ image_data, true);
+ if (enter_image.failed())
+ return;
+
+ ImageData* image_object = static_cast<ImageData*>(enter_image.object());
+ if (pp_instance() != image_object->pp_instance()) {
+ Log(PP_LOGLEVEL_ERROR, "Graphics2DResource.ReplaceContents: "
+ "Image resource for another instance.");
+ return;
+ }
+ image_object->set_used_in_replace_contents();
+
+ Post(RENDERER, PpapiHostMsg_Graphics2D_ReplaceContents(
+ image_object->host_resource()));
+}
+
+bool Graphics2DResource::SetScale(float scale) {
+ if (scale <= 0.0f)
+ return false;
+ Post(RENDERER, PpapiHostMsg_Graphics2D_Dev_SetScale(scale));
+ scale_ = scale;
+ return true;
+}
+
+float Graphics2DResource::GetScale() {
+ return scale_;
+}
+
+int32_t Graphics2DResource::Flush(scoped_refptr<TrackedCallback> callback,
+ PP_Resource* old_image_data) {
+ // If host is not even created, return failure immediately. This can happen
+ // when failed to initialize (in constructor).
+ if (!sent_create_to_renderer())
+ return PP_ERROR_FAILED;
+
+ // We don't support this feature, it's for in-renderer only.
+ if (old_image_data)
+ *old_image_data = 0;
+
+ if (TrackedCallback::IsPending(current_flush_callback_))
+ return PP_ERROR_INPROGRESS; // Can't have >1 flush pending.
+ current_flush_callback_ = callback;
+
+ Call<PpapiPluginMsg_Graphics2D_FlushAck>(
+ RENDERER,
+ PpapiHostMsg_Graphics2D_Flush(),
+ base::Bind(&Graphics2DResource::OnPluginMsgFlushACK, this));
+ return PP_OK_COMPLETIONPENDING;
+}
+
+bool Graphics2DResource::ReadImageData(PP_Resource image,
+ const PP_Point* top_left) {
+ if (!top_left)
+ return false;
+ int32_t result = SyncCall<PpapiPluginMsg_Graphics2D_ReadImageDataAck>(
+ RENDERER,
+ PpapiHostMsg_Graphics2D_ReadImageData(image, *top_left));
+ return result == PP_OK;
+}
+
+void Graphics2DResource::OnPluginMsgFlushACK(
+ const ResourceMessageReplyParams& params) {
+ current_flush_callback_->Run(params.result());
+}
+
+} // namespace proxy
+} // namespace ppapi
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