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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "content/renderer/pepper/pepper_graphics_2d_host.h" |
| 6 |
| 7 #include "content/public/renderer/renderer_ppapi_host.h" |
| 8 #include "ppapi/c/pp_bool.h" |
| 9 #include "ppapi/host/dispatch_host_message.h" |
| 10 #include "ppapi/host/host_message_context.h" |
| 11 #include "ppapi/host/ppapi_host.h" |
| 12 #include "ppapi/proxy/ppapi_messages.h" |
| 13 #include "ppapi/shared_impl/api_id.h" |
| 14 #include "ppapi/thunk/enter.h" |
| 15 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h" |
| 16 #include "webkit/plugins/ppapi/ppb_graphics_2d_impl.h" // TODO: merge to here |
| 17 |
| 18 namespace content { |
| 19 |
| 20 // static |
| 21 PepperGraphics2DHost* PepperGraphics2DHost::Create(RendererPpapiHost* host, |
| 22 PP_Instance instance, |
| 23 PP_Resource resource, |
| 24 const PP_Size& size, |
| 25 PP_Bool is_always_opaque) { |
| 26 PepperGraphics2DHost* resource_host = |
| 27 new PepperGraphics2DHost(host, instance, resource); |
| 28 if (!resource_host->graphics_2d_->Init(size.width, size.height, |
| 29 PP_ToBool(is_always_opaque))) { |
| 30 delete resource_host; |
| 31 return NULL; |
| 32 } |
| 33 return resource_host; |
| 34 } |
| 35 |
| 36 PepperGraphics2DHost::PepperGraphics2DHost(RendererPpapiHost* host, |
| 37 PP_Instance instance, |
| 38 PP_Resource resource) |
| 39 : ResourceHost(host->GetPpapiHost(), instance, resource), |
| 40 graphics_2d_(new webkit::ppapi::PPB_Graphics2D_Impl(instance)), |
| 41 is_running_in_process_(host->IsRunningInProcess()) { |
| 42 } |
| 43 |
| 44 PepperGraphics2DHost::~PepperGraphics2DHost() { |
| 45 // Unbind from the instance when destoryed. |
| 46 PP_Instance instance = graphics_2d_->pp_instance(); |
| 47 ppapi::thunk::EnterInstanceNoLock enter(instance); |
| 48 if (enter.succeeded()) |
| 49 enter.functions()->BindGraphics(instance, 0); |
| 50 } |
| 51 |
| 52 int32_t PepperGraphics2DHost::OnResourceMessageReceived( |
| 53 const IPC::Message& msg, |
| 54 ppapi::host::HostMessageContext* context) { |
| 55 IPC_BEGIN_MESSAGE_MAP(PepperGraphics2DHost, msg) |
| 56 #if !defined(OS_NACL) |
| 57 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 58 PpapiHostMsg_Graphics2D_PaintImageData, |
| 59 OnHostMsgPaintImageData) |
| 60 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 61 PpapiHostMsg_Graphics2D_Scroll, |
| 62 OnHostMsgScroll) |
| 63 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 64 PpapiHostMsg_Graphics2D_ReplaceContents, |
| 65 OnHostMsgReplaceContents) |
| 66 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0( |
| 67 PpapiHostMsg_Graphics2D_Flush, |
| 68 OnHostMsgFlush) |
| 69 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 70 PpapiHostMsg_Graphics2D_Dev_SetScale, |
| 71 OnHostMsgSetScale) |
| 72 PPAPI_DISPATCH_HOST_RESOURCE_CALL( |
| 73 PpapiHostMsg_Graphics2D_ReadImageData, |
| 74 OnHostMsgReadImageData) |
| 75 #endif |
| 76 IPC_END_MESSAGE_MAP() |
| 77 return PP_ERROR_FAILED; |
| 78 } |
| 79 |
| 80 bool PepperGraphics2DHost::ReadImageData(PP_Resource image, |
| 81 const PP_Point* top_left) { |
| 82 return graphics_2d_->ReadImageData(image, top_left); |
| 83 } |
| 84 |
| 85 bool PepperGraphics2DHost::BindToInstance( |
| 86 webkit::ppapi::PluginInstance* new_instance) { |
| 87 if (new_instance && |
| 88 new_instance->pp_instance() != graphics_2d_->pp_instance()) |
| 89 return false; // Can't bind other instance's contexts. |
| 90 return graphics_2d_->BindToInstance(new_instance); |
| 91 } |
| 92 |
| 93 void PepperGraphics2DHost::Paint(WebKit::WebCanvas* canvas, |
| 94 const gfx::Rect& plugin_rect, |
| 95 const gfx::Rect& paint_rect) { |
| 96 graphics_2d_->Paint(canvas, plugin_rect, paint_rect); |
| 97 } |
| 98 |
| 99 void PepperGraphics2DHost::ViewWillInitiatePaint() { |
| 100 graphics_2d_->ViewWillInitiatePaint(); |
| 101 } |
| 102 |
| 103 void PepperGraphics2DHost::ViewInitiatedPaint() { |
| 104 graphics_2d_->ViewInitiatedPaint(); |
| 105 } |
| 106 |
| 107 void PepperGraphics2DHost::ViewFlushedPaint() { |
| 108 graphics_2d_->ViewFlushedPaint(); |
| 109 } |
| 110 |
| 111 void PepperGraphics2DHost::SetScale(float scale) { |
| 112 graphics_2d_->scale_ = scale; |
| 113 } |
| 114 |
| 115 float PepperGraphics2DHost::GetScale() const { |
| 116 return graphics_2d_->scale_; |
| 117 } |
| 118 |
| 119 bool PepperGraphics2DHost::IsAlwaysOpaque() const { |
| 120 return graphics_2d_->is_always_opaque_; |
| 121 } |
| 122 |
| 123 webkit::ppapi::PPB_ImageData_Impl* PepperGraphics2DHost::ImageData() { |
| 124 return graphics_2d_->image_data_.get(); |
| 125 } |
| 126 |
| 127 bool PepperGraphics2DHost::IsGraphics2DHost() const { |
| 128 return true; |
| 129 } |
| 130 |
| 131 #if !defined(OS_NACL) |
| 132 int32_t PepperGraphics2DHost::OnHostMsgPaintImageData( |
| 133 ppapi::host::HostMessageContext* context, |
| 134 const ppapi::HostResource& image_data, |
| 135 const PP_Point& top_left, |
| 136 bool src_rect_specified, |
| 137 const PP_Rect& src_rect) { |
| 138 graphics_2d_->PaintImageData(image_data.host_resource(), &top_left, |
| 139 src_rect_specified ? &src_rect : NULL); |
| 140 return PP_OK; |
| 141 } |
| 142 |
| 143 int32_t PepperGraphics2DHost::OnHostMsgScroll( |
| 144 ppapi::host::HostMessageContext* context, |
| 145 bool clip_specified, |
| 146 const PP_Rect& clip, |
| 147 const PP_Point& amount) { |
| 148 graphics_2d_->Scroll(clip_specified ? &clip : NULL, &amount); |
| 149 return PP_OK; |
| 150 } |
| 151 |
| 152 int32_t PepperGraphics2DHost::OnHostMsgReplaceContents( |
| 153 ppapi::host::HostMessageContext* context, |
| 154 const ppapi::HostResource& image_data) { |
| 155 graphics_2d_->ReplaceContents(image_data.host_resource()); |
| 156 return PP_OK; |
| 157 } |
| 158 |
| 159 int32_t PepperGraphics2DHost::OnHostMsgFlush( |
| 160 ppapi::host::HostMessageContext* context) { |
| 161 PP_Resource old_image_data = 0; |
| 162 flush_reply_context_ = context->MakeReplyMessageContext(); |
| 163 // TODO: when merge PP_Graphics2D_Impl, we won't need this tracked callback. |
| 164 scoped_refptr<ppapi::TrackedCallback> callback(new ppapi::TrackedCallback( |
| 165 graphics_2d_.get(), |
| 166 PP_MakeCompletionCallback(&PepperGraphics2DHost::SendFlushACKToPlugin, |
| 167 AsWeakPtr()))); |
| 168 if (is_running_in_process_) |
| 169 return graphics_2d_->Flush(callback, NULL); |
| 170 |
| 171 // Reuse image data when running out of process. |
| 172 int32_t result = graphics_2d_->Flush(callback, &old_image_data); |
| 173 |
| 174 if (old_image_data) { |
| 175 // If the Graphics2D has an old image data it's not using any more, send |
| 176 // it back to the plugin for possible re-use. See ppb_image_data_proxy.cc |
| 177 // for a description how this process works. |
| 178 ppapi::HostResource old_image_data_host_resource; |
| 179 old_image_data_host_resource.SetHostResource(pp_instance(), |
| 180 old_image_data); |
| 181 host()->Send(new PpapiMsg_PPBImageData_NotifyUnusedImageData( |
| 182 ppapi::API_ID_PPB_IMAGE_DATA, old_image_data_host_resource)); |
| 183 } |
| 184 |
| 185 return result; |
| 186 } |
| 187 |
| 188 int32_t PepperGraphics2DHost::OnHostMsgSetScale( |
| 189 ppapi::host::HostMessageContext* context, |
| 190 float scale) { |
| 191 return graphics_2d_->SetScale(scale) ? PP_OK : PP_ERROR_BADARGUMENT; |
| 192 } |
| 193 |
| 194 int32_t PepperGraphics2DHost::OnHostMsgReadImageData( |
| 195 ppapi::host::HostMessageContext* context, |
| 196 PP_Resource image, |
| 197 const PP_Point& top_left) { |
| 198 context->reply_msg = PpapiPluginMsg_Graphics2D_ReadImageDataAck(); |
| 199 return ReadImageData(image, &top_left) ? PP_OK : PP_ERROR_FAILED; |
| 200 } |
| 201 |
| 202 // static |
| 203 void PepperGraphics2DHost::SendFlushACKToPlugin(void* data, |
| 204 int32_t pp_error) { |
| 205 if (!data || pp_error != PP_OK) |
| 206 return; |
| 207 PepperGraphics2DHost* self = (PepperGraphics2DHost*) data; |
| 208 self->host()->SendReply(self->flush_reply_context_, |
| 209 PpapiPluginMsg_Graphics2D_FlushAck()); |
| 210 } |
| 211 #endif // !defined(OS_NACL) |
| 212 |
| 213 } // namespace content |
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