| // Copyright 2014 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 "components/pdf/renderer/pepper_pdf_host.h" |
| |
| #include "components/pdf/common/pdf_messages.h" |
| #include "components/pdf/renderer/pdf_resource_util.h" |
| #include "content/public/common/referrer.h" |
| #include "content/public/renderer/pepper_plugin_instance.h" |
| #include "content/public/renderer/render_thread.h" |
| #include "content/public/renderer/render_view.h" |
| #include "content/public/renderer/renderer_ppapi_host.h" |
| #include "ppapi/host/dispatch_host_message.h" |
| #include "ppapi/host/host_message_context.h" |
| #include "ppapi/host/ppapi_host.h" |
| #include "ppapi/proxy/host_dispatcher.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/proxy/ppb_image_data_proxy.h" |
| #include "ppapi/shared_impl/ppb_image_data_shared.h" |
| #include "ppapi/shared_impl/scoped_pp_resource.h" |
| #include "ppapi/thunk/enter.h" |
| #include "ppapi/thunk/ppb_image_data_api.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebElement.h" |
| #include "third_party/WebKit/public/web/WebLocalFrame.h" |
| #include "third_party/WebKit/public/web/WebPluginContainer.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "ui/base/layout.h" |
| #include "ui/gfx/geometry/point.h" |
| |
| namespace pdf { |
| |
| namespace { |
| // --single-process model may fail in CHECK(!g_print_client) if there exist |
| // more than two RenderThreads, so here we use TLS for g_print_client. |
| // See http://crbug.com/457580. |
| base::LazyInstance<base::ThreadLocalPointer<PepperPDFHost::PrintClient>>::Leaky |
| g_print_client_tls = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| PepperPDFHost::PepperPDFHost(content::RendererPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource) |
| : ppapi::host::ResourceHost(host->GetPpapiHost(), instance, resource), |
| host_(host) {} |
| |
| PepperPDFHost::~PepperPDFHost() {} |
| |
| // static |
| bool PepperPDFHost::InvokePrintingForInstance(PP_Instance instance_id) { |
| return g_print_client_tls.Pointer()->Get() |
| ? g_print_client_tls.Pointer()->Get()->Print(instance_id) |
| : false; |
| } |
| |
| // static |
| void PepperPDFHost::SetPrintClient(PepperPDFHost::PrintClient* client) { |
| CHECK(!g_print_client_tls.Pointer()->Get()) |
| << "There should only be a single PrintClient for one RenderThread."; |
| g_print_client_tls.Pointer()->Set(client); |
| } |
| |
| int32_t PepperPDFHost::OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) { |
| PPAPI_BEGIN_MESSAGE_MAP(PepperPDFHost, msg) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_GetLocalizedString, |
| OnHostMsgGetLocalizedString) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_DidStartLoading, |
| OnHostMsgDidStartLoading) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_DidStopLoading, |
| OnHostMsgDidStopLoading) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_UserMetricsRecordAction, |
| OnHostMsgUserMetricsRecordAction) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_HasUnsupportedFeature, |
| OnHostMsgHasUnsupportedFeature) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_Print, OnHostMsgPrint) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_SaveAs, |
| OnHostMsgSaveAs) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetSelectedText, |
| OnHostMsgSetSelectedText) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetLinkUnderCursor, |
| OnHostMsgSetLinkUnderCursor) |
| PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetContentRestriction, |
| OnHostMsgSetContentRestriction) |
| PPAPI_END_MESSAGE_MAP() |
| return PP_ERROR_FAILED; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgGetLocalizedString( |
| ppapi::host::HostMessageContext* context, |
| PP_ResourceString string_id) { |
| std::string rv = GetStringResource(string_id); |
| context->reply_msg = PpapiPluginMsg_PDF_GetLocalizedStringReply(rv); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgDidStartLoading( |
| ppapi::host::HostMessageContext* context) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| instance->GetRenderView()->DidStartLoading(); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgDidStopLoading( |
| ppapi::host::HostMessageContext* context) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| instance->GetRenderView()->DidStopLoading(); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgSetContentRestriction( |
| ppapi::host::HostMessageContext* context, |
| int restrictions) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| instance->GetRenderView()->Send(new PDFHostMsg_PDFUpdateContentRestrictions( |
| instance->GetRenderView()->GetRoutingID(), restrictions)); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgUserMetricsRecordAction( |
| ppapi::host::HostMessageContext* context, |
| const std::string& action) { |
| if (action.empty()) |
| return PP_ERROR_FAILED; |
| content::RenderThread::Get()->RecordComputedAction(action); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgHasUnsupportedFeature( |
| ppapi::host::HostMessageContext* context) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| |
| blink::WebView* view = |
| instance->GetContainer()->element().document().frame()->view(); |
| content::RenderView* render_view = content::RenderView::FromWebView(view); |
| render_view->Send( |
| new PDFHostMsg_PDFHasUnsupportedFeature(render_view->GetRoutingID())); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgPrint( |
| ppapi::host::HostMessageContext* context) { |
| return InvokePrintingForInstance(pp_instance()) ? PP_OK : PP_ERROR_FAILED; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgSaveAs( |
| ppapi::host::HostMessageContext* context) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| GURL url = instance->GetPluginURL(); |
| content::RenderView* render_view = instance->GetRenderView(); |
| blink::WebLocalFrame* frame = |
| render_view->GetWebView()->mainFrame()->toWebLocalFrame(); |
| content::Referrer referrer = content::Referrer::SanitizeForRequest( |
| url, content::Referrer(frame->document().url(), |
| frame->document().referrerPolicy())); |
| render_view->Send( |
| new PDFHostMsg_PDFSaveURLAs(render_view->GetRoutingID(), url, referrer)); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgSetSelectedText( |
| ppapi::host::HostMessageContext* context, |
| const base::string16& selected_text) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| instance->SetSelectedText(selected_text); |
| return PP_OK; |
| } |
| |
| int32_t PepperPDFHost::OnHostMsgSetLinkUnderCursor( |
| ppapi::host::HostMessageContext* context, |
| const std::string& url) { |
| content::PepperPluginInstance* instance = |
| host_->GetPluginInstance(pp_instance()); |
| if (!instance) |
| return PP_ERROR_FAILED; |
| instance->SetLinkUnderCursor(url); |
| return PP_OK; |
| } |
| |
| } // namespace pdf |