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1 // Copyright (c) 2013 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 "chrome/renderer/pepper/pepper_pdf_host.h" | |
6 | |
7 #include "base/strings/utf_string_conversions.h" | |
8 #include "chrome/renderer/printing/print_web_view_helper.h" | |
9 #include "components/pdf/common/pdf_messages.h" | |
10 #include "content/app/resources/grit/content_resources.h" | |
11 #include "content/app/strings/grit/content_strings.h" | |
12 #include "content/public/common/referrer.h" | |
13 #include "content/public/renderer/pepper_plugin_instance.h" | |
14 #include "content/public/renderer/render_thread.h" | |
15 #include "content/public/renderer/render_view.h" | |
16 #include "content/public/renderer/renderer_ppapi_host.h" | |
17 #include "ppapi/host/dispatch_host_message.h" | |
18 #include "ppapi/host/host_message_context.h" | |
19 #include "ppapi/host/ppapi_host.h" | |
20 #include "ppapi/proxy/host_dispatcher.h" | |
21 #include "ppapi/proxy/ppapi_messages.h" | |
22 #include "ppapi/proxy/ppb_image_data_proxy.h" | |
23 #include "ppapi/shared_impl/ppb_image_data_shared.h" | |
24 #include "ppapi/shared_impl/scoped_pp_resource.h" | |
25 #include "ppapi/thunk/enter.h" | |
26 #include "ppapi/thunk/ppb_image_data_api.h" | |
27 #include "skia/ext/platform_canvas.h" | |
28 #include "third_party/WebKit/public/web/WebDocument.h" | |
29 #include "third_party/WebKit/public/web/WebElement.h" | |
30 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
31 #include "third_party/WebKit/public/web/WebPluginContainer.h" | |
32 #include "third_party/WebKit/public/web/WebView.h" | |
33 #include "third_party/skia/include/core/SkBitmap.h" | |
34 #include "ui/base/l10n/l10n_util.h" | |
35 #include "ui/base/layout.h" | |
36 #include "ui/base/resource/resource_bundle.h" | |
37 #include "ui/gfx/image/image_skia.h" | |
38 #include "ui/gfx/image/image_skia_rep.h" | |
39 #include "ui/gfx/point.h" | |
40 | |
41 namespace { | |
42 | |
43 struct ResourceImageInfo { | |
44 PP_ResourceImage pp_id; | |
45 int res_id; | |
46 }; | |
47 | |
48 const ResourceImageInfo kResourceImageMap[] = { | |
49 {PP_RESOURCEIMAGE_PDF_BUTTON_FTP, IDR_PDF_BUTTON_FTP}, | |
50 {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_HOVER, IDR_PDF_BUTTON_FTP_HOVER}, | |
51 {PP_RESOURCEIMAGE_PDF_BUTTON_FTP_PRESSED, IDR_PDF_BUTTON_FTP_PRESSED}, | |
52 {PP_RESOURCEIMAGE_PDF_BUTTON_FTW, IDR_PDF_BUTTON_FTW}, | |
53 {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_HOVER, IDR_PDF_BUTTON_FTW_HOVER}, | |
54 {PP_RESOURCEIMAGE_PDF_BUTTON_FTW_PRESSED, IDR_PDF_BUTTON_FTW_PRESSED}, | |
55 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END, IDR_PDF_BUTTON_ZOOMIN_END}, | |
56 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_HOVER, | |
57 IDR_PDF_BUTTON_ZOOMIN_END_HOVER}, | |
58 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_END_PRESSED, | |
59 IDR_PDF_BUTTON_ZOOMIN_END_PRESSED}, | |
60 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN, IDR_PDF_BUTTON_ZOOMIN}, | |
61 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_HOVER, IDR_PDF_BUTTON_ZOOMIN_HOVER}, | |
62 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMIN_PRESSED, IDR_PDF_BUTTON_ZOOMIN_PRESSED}, | |
63 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT, IDR_PDF_BUTTON_ZOOMOUT}, | |
64 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_HOVER, IDR_PDF_BUTTON_ZOOMOUT_HOVER}, | |
65 {PP_RESOURCEIMAGE_PDF_BUTTON_ZOOMOUT_PRESSED, | |
66 IDR_PDF_BUTTON_ZOOMOUT_PRESSED}, | |
67 {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE, IDR_PDF_BUTTON_SAVE}, | |
68 {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_HOVER, IDR_PDF_BUTTON_SAVE_HOVER}, | |
69 {PP_RESOURCEIMAGE_PDF_BUTTON_SAVE_PRESSED, IDR_PDF_BUTTON_SAVE_PRESSED}, | |
70 {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT, IDR_PDF_BUTTON_PRINT}, | |
71 {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_HOVER, IDR_PDF_BUTTON_PRINT_HOVER}, | |
72 {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_PRESSED, IDR_PDF_BUTTON_PRINT_PRESSED}, | |
73 {PP_RESOURCEIMAGE_PDF_BUTTON_PRINT_DISABLED, IDR_PDF_BUTTON_PRINT_DISABLED}, | |
74 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_0, IDR_PDF_THUMBNAIL_0}, | |
75 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_1, IDR_PDF_THUMBNAIL_1}, | |
76 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_2, IDR_PDF_THUMBNAIL_2}, | |
77 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_3, IDR_PDF_THUMBNAIL_3}, | |
78 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_4, IDR_PDF_THUMBNAIL_4}, | |
79 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_5, IDR_PDF_THUMBNAIL_5}, | |
80 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_6, IDR_PDF_THUMBNAIL_6}, | |
81 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_7, IDR_PDF_THUMBNAIL_7}, | |
82 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_8, IDR_PDF_THUMBNAIL_8}, | |
83 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_9, IDR_PDF_THUMBNAIL_9}, | |
84 {PP_RESOURCEIMAGE_PDF_BUTTON_THUMBNAIL_NUM_BACKGROUND, | |
85 IDR_PDF_THUMBNAIL_NUM_BACKGROUND}, | |
86 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_0, IDR_PDF_PROGRESS_BAR_0}, | |
87 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_1, IDR_PDF_PROGRESS_BAR_1}, | |
88 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_2, IDR_PDF_PROGRESS_BAR_2}, | |
89 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_3, IDR_PDF_PROGRESS_BAR_3}, | |
90 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_4, IDR_PDF_PROGRESS_BAR_4}, | |
91 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_5, IDR_PDF_PROGRESS_BAR_5}, | |
92 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_6, IDR_PDF_PROGRESS_BAR_6}, | |
93 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_7, IDR_PDF_PROGRESS_BAR_7}, | |
94 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_8, IDR_PDF_PROGRESS_BAR_8}, | |
95 {PP_RESOURCEIMAGE_PDF_PROGRESS_BAR_BACKGROUND, | |
96 IDR_PDF_PROGRESS_BAR_BACKGROUND}, | |
97 {PP_RESOURCEIMAGE_PDF_PAGE_INDICATOR_BACKGROUND, | |
98 IDR_PDF_PAGE_INDICATOR_BACKGROUND}, | |
99 {PP_RESOURCEIMAGE_PDF_PAGE_DROPSHADOW, IDR_PDF_PAGE_DROPSHADOW}, | |
100 {PP_RESOURCEIMAGE_PDF_PAN_SCROLL_ICON, IDR_PAN_SCROLL_ICON}, }; | |
101 | |
102 } // namespace | |
103 | |
104 PepperPDFHost::PepperPDFHost(content::RendererPpapiHost* host, | |
105 PP_Instance instance, | |
106 PP_Resource resource) | |
107 : ppapi::host::ResourceHost(host->GetPpapiHost(), instance, resource), | |
108 host_(host) {} | |
109 | |
110 PepperPDFHost::~PepperPDFHost() {} | |
111 | |
112 int32_t PepperPDFHost::OnResourceMessageReceived( | |
113 const IPC::Message& msg, | |
114 ppapi::host::HostMessageContext* context) { | |
115 PPAPI_BEGIN_MESSAGE_MAP(PepperPDFHost, msg) | |
116 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_GetLocalizedString, | |
117 OnHostMsgGetLocalizedString) | |
118 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_DidStartLoading, | |
119 OnHostMsgDidStartLoading) | |
120 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_DidStopLoading, | |
121 OnHostMsgDidStopLoading) | |
122 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_UserMetricsRecordAction, | |
123 OnHostMsgUserMetricsRecordAction) | |
124 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_HasUnsupportedFeature, | |
125 OnHostMsgHasUnsupportedFeature) | |
126 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_Print, OnHostMsgPrint) | |
127 PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_PDF_SaveAs, | |
128 OnHostMsgSaveAs) | |
129 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_GetResourceImage, | |
130 OnHostMsgGetResourceImage) | |
131 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetSelectedText, | |
132 OnHostMsgSetSelectedText) | |
133 PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_PDF_SetLinkUnderCursor, | |
134 OnHostMsgSetLinkUnderCursor) | |
135 PPAPI_END_MESSAGE_MAP() | |
136 return PP_ERROR_FAILED; | |
137 } | |
138 | |
139 int32_t PepperPDFHost::OnHostMsgGetLocalizedString( | |
140 ppapi::host::HostMessageContext* context, | |
141 PP_ResourceString string_id) { | |
142 std::string rv; | |
143 if (string_id == PP_RESOURCESTRING_PDFGETPASSWORD) { | |
144 rv = base::UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_NEED_PASSWORD)); | |
145 } else if (string_id == PP_RESOURCESTRING_PDFLOADING) { | |
146 rv = base::UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_PAGE_LOADING)); | |
147 } else if (string_id == PP_RESOURCESTRING_PDFLOAD_FAILED) { | |
148 rv = base::UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_PAGE_LOAD_FAILED)); | |
149 } else if (string_id == PP_RESOURCESTRING_PDFPROGRESSLOADING) { | |
150 rv = base::UTF16ToUTF8(l10n_util::GetStringUTF16(IDS_PDF_PROGRESS_LOADING)); | |
151 } else { | |
152 NOTREACHED(); | |
153 return PP_ERROR_FAILED; | |
154 } | |
155 | |
156 context->reply_msg = PpapiPluginMsg_PDF_GetLocalizedStringReply(rv); | |
157 return PP_OK; | |
158 } | |
159 | |
160 int32_t PepperPDFHost::OnHostMsgDidStartLoading( | |
161 ppapi::host::HostMessageContext* context) { | |
162 content::PepperPluginInstance* instance = | |
163 host_->GetPluginInstance(pp_instance()); | |
164 if (!instance) | |
165 return PP_ERROR_FAILED; | |
166 instance->GetRenderView()->DidStartLoading(); | |
167 return PP_OK; | |
168 } | |
169 | |
170 int32_t PepperPDFHost::OnHostMsgDidStopLoading( | |
171 ppapi::host::HostMessageContext* context) { | |
172 content::PepperPluginInstance* instance = | |
173 host_->GetPluginInstance(pp_instance()); | |
174 if (!instance) | |
175 return PP_ERROR_FAILED; | |
176 instance->GetRenderView()->DidStopLoading(); | |
177 return PP_OK; | |
178 } | |
179 | |
180 int32_t PepperPDFHost::OnHostMsgSetContentRestriction( | |
181 ppapi::host::HostMessageContext* context, | |
182 int restrictions) { | |
183 content::PepperPluginInstance* instance = | |
184 host_->GetPluginInstance(pp_instance()); | |
185 if (!instance) | |
186 return PP_ERROR_FAILED; | |
187 instance->GetRenderView()->Send(new PDFHostMsg_PDFUpdateContentRestrictions( | |
188 instance->GetRenderView()->GetRoutingID(), restrictions)); | |
189 return PP_OK; | |
190 } | |
191 | |
192 int32_t PepperPDFHost::OnHostMsgUserMetricsRecordAction( | |
193 ppapi::host::HostMessageContext* context, | |
194 const std::string& action) { | |
195 if (action.empty()) | |
196 return PP_ERROR_FAILED; | |
197 content::RenderThread::Get()->RecordComputedAction(action); | |
198 return PP_OK; | |
199 } | |
200 | |
201 int32_t PepperPDFHost::OnHostMsgHasUnsupportedFeature( | |
202 ppapi::host::HostMessageContext* context) { | |
203 content::PepperPluginInstance* instance = | |
204 host_->GetPluginInstance(pp_instance()); | |
205 if (!instance) | |
206 return PP_ERROR_FAILED; | |
207 | |
208 blink::WebView* view = | |
209 instance->GetContainer()->element().document().frame()->view(); | |
210 content::RenderView* render_view = content::RenderView::FromWebView(view); | |
211 render_view->Send( | |
212 new PDFHostMsg_PDFHasUnsupportedFeature(render_view->GetRoutingID())); | |
213 return PP_OK; | |
214 } | |
215 | |
216 int32_t PepperPDFHost::OnHostMsgPrint( | |
217 ppapi::host::HostMessageContext* context) { | |
218 #if defined(ENABLE_FULL_PRINTING) | |
219 content::PepperPluginInstance* instance = | |
220 host_->GetPluginInstance(pp_instance()); | |
221 if (!instance) | |
222 return PP_ERROR_FAILED; | |
223 | |
224 blink::WebElement element = instance->GetContainer()->element(); | |
225 blink::WebView* view = element.document().frame()->view(); | |
226 content::RenderView* render_view = content::RenderView::FromWebView(view); | |
227 | |
228 using printing::PrintWebViewHelper; | |
229 PrintWebViewHelper* print_view_helper = PrintWebViewHelper::Get(render_view); | |
230 if (print_view_helper) { | |
231 print_view_helper->PrintNode(element); | |
232 return PP_OK; | |
233 } | |
234 #endif | |
235 return PP_ERROR_FAILED; | |
236 } | |
237 | |
238 int32_t PepperPDFHost::OnHostMsgSaveAs( | |
239 ppapi::host::HostMessageContext* context) { | |
240 content::PepperPluginInstance* instance = | |
241 host_->GetPluginInstance(pp_instance()); | |
242 if (!instance) | |
243 return PP_ERROR_FAILED; | |
244 GURL url = instance->GetPluginURL(); | |
245 content::RenderView* render_view = instance->GetRenderView(); | |
246 blink::WebLocalFrame* frame = | |
247 render_view->GetWebView()->mainFrame()->toWebLocalFrame(); | |
248 content::Referrer referrer(frame->document().url(), | |
249 frame->document().referrerPolicy()); | |
250 render_view->Send( | |
251 new PDFHostMsg_PDFSaveURLAs(render_view->GetRoutingID(), url, referrer)); | |
252 return PP_OK; | |
253 } | |
254 | |
255 int32_t PepperPDFHost::OnHostMsgGetResourceImage( | |
256 ppapi::host::HostMessageContext* context, | |
257 PP_ResourceImage image_id, | |
258 float scale) { | |
259 int res_id = 0; | |
260 for (size_t i = 0; i < arraysize(kResourceImageMap); ++i) { | |
261 if (kResourceImageMap[i].pp_id == image_id) { | |
262 res_id = kResourceImageMap[i].res_id; | |
263 break; | |
264 } | |
265 } | |
266 if (res_id == 0) | |
267 return PP_ERROR_FAILED; | |
268 | |
269 gfx::ImageSkia* res_image_skia = | |
270 ResourceBundle::GetSharedInstance().GetImageSkiaNamed(res_id); | |
271 | |
272 if (!res_image_skia) | |
273 return PP_ERROR_FAILED; | |
274 | |
275 gfx::ImageSkiaRep image_skia_rep = res_image_skia->GetRepresentation(scale); | |
276 | |
277 if (image_skia_rep.is_null() || image_skia_rep.scale() != scale) | |
278 return PP_ERROR_FAILED; | |
279 | |
280 PP_Size pp_size; | |
281 pp_size.width = image_skia_rep.pixel_width(); | |
282 pp_size.height = image_skia_rep.pixel_height(); | |
283 | |
284 ppapi::HostResource host_resource; | |
285 PP_ImageDataDesc image_data_desc; | |
286 IPC::PlatformFileForTransit image_handle; | |
287 uint32_t byte_count = 0; | |
288 bool success = | |
289 CreateImageData(pp_instance(), | |
290 ppapi::PPB_ImageData_Shared::GetNativeImageDataFormat(), | |
291 pp_size, | |
292 image_skia_rep.sk_bitmap(), | |
293 &host_resource, | |
294 &image_data_desc, | |
295 &image_handle, | |
296 &byte_count); | |
297 ppapi::ScopedPPResource image_data_resource( | |
298 ppapi::ScopedPPResource::PassRef(), host_resource.host_resource()); | |
299 if (!success) | |
300 return PP_ERROR_FAILED; | |
301 | |
302 ppapi::host::ReplyMessageContext reply_context = | |
303 context->MakeReplyMessageContext(); | |
304 ppapi::proxy::SerializedHandle serialized_handle; | |
305 serialized_handle.set_shmem(image_handle, byte_count); | |
306 reply_context.params.AppendHandle(serialized_handle); | |
307 SendReply( | |
308 reply_context, | |
309 PpapiPluginMsg_PDF_GetResourceImageReply(host_resource, image_data_desc)); | |
310 | |
311 // Keep a reference to the resource only if the function succeeds. | |
312 image_data_resource.Release(); | |
313 | |
314 return PP_OK_COMPLETIONPENDING; | |
315 } | |
316 | |
317 int32_t PepperPDFHost::OnHostMsgSetSelectedText( | |
318 ppapi::host::HostMessageContext* context, | |
319 const base::string16& selected_text) { | |
320 content::PepperPluginInstance* instance = | |
321 host_->GetPluginInstance(pp_instance()); | |
322 if (!instance) | |
323 return PP_ERROR_FAILED; | |
324 instance->SetSelectedText(selected_text); | |
325 return PP_OK; | |
326 } | |
327 | |
328 int32_t PepperPDFHost::OnHostMsgSetLinkUnderCursor( | |
329 ppapi::host::HostMessageContext* context, | |
330 const std::string& url) { | |
331 content::PepperPluginInstance* instance = | |
332 host_->GetPluginInstance(pp_instance()); | |
333 if (!instance) | |
334 return PP_ERROR_FAILED; | |
335 instance->SetLinkUnderCursor(url); | |
336 return PP_OK; | |
337 } | |
338 | |
339 // TODO(raymes): This function is mainly copied from ppb_image_data_proxy.cc. | |
340 // It's a mess and needs to be fixed in several ways but this is better done | |
341 // when we refactor PPB_ImageData. On success, the image handle will be | |
342 // non-null. | |
343 bool PepperPDFHost::CreateImageData( | |
344 PP_Instance instance, | |
345 PP_ImageDataFormat format, | |
346 const PP_Size& size, | |
347 const SkBitmap& pixels_to_write, | |
348 ppapi::HostResource* result, | |
349 PP_ImageDataDesc* out_image_data_desc, | |
350 IPC::PlatformFileForTransit* out_image_handle, | |
351 uint32_t* out_byte_count) { | |
352 PP_Resource resource = ppapi::proxy::PPB_ImageData_Proxy::CreateImageData( | |
353 instance, | |
354 ppapi::PPB_ImageData_Shared::SIMPLE, | |
355 format, | |
356 size, | |
357 false /* init_to_zero */, | |
358 out_image_data_desc, | |
359 out_image_handle, | |
360 out_byte_count); | |
361 if (!resource) | |
362 return false; | |
363 | |
364 result->SetHostResource(instance, resource); | |
365 | |
366 // Write the image to the resource shared memory. | |
367 ppapi::thunk::EnterResourceNoLock<ppapi::thunk::PPB_ImageData_API> | |
368 enter_resource(resource, false); | |
369 if (enter_resource.failed()) | |
370 return false; | |
371 | |
372 ppapi::thunk::PPB_ImageData_API* image_data = | |
373 static_cast<ppapi::thunk::PPB_ImageData_API*>(enter_resource.object()); | |
374 SkCanvas* canvas = image_data->GetCanvas(); | |
375 bool needs_unmapping = false; | |
376 if (!canvas) { | |
377 needs_unmapping = true; | |
378 image_data->Map(); | |
379 canvas = image_data->GetCanvas(); | |
380 if (!canvas) | |
381 return false; // Failure mapping. | |
382 } | |
383 | |
384 const SkBitmap* bitmap = &skia::GetTopDevice(*canvas)->accessBitmap(false); | |
385 pixels_to_write.copyPixelsTo( | |
386 bitmap->getPixels(), bitmap->getSize(), bitmap->rowBytes()); | |
387 | |
388 if (needs_unmapping) | |
389 image_data->Unmap(); | |
390 | |
391 return true; | |
392 } | |
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