[mojo] Make HTML viewer load the blink resources from the generated pak file.

mojo/services/html_viewer/blink_platform_impl.cc

 // 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 "mojo/services/html_viewer/blink_platform_impl.h"
 
 #include <cmath>
 
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
+#include "blink/public/resources/grit/blink_resources.h"
 #include "mojo/services/html_viewer/webthread_impl.h"
 #include "net/base/data_url.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebWaitableEvent.h"
 
 namespace html_viewer {
 namespace {
 
 // TODO(darin): Figure out what our UA should really be.
 const char kUserAgentString[] =
   "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) "
   "Chrome/35.0.1916.153 Safari/537.36";
 
+struct DataResource {
+  const char* name;
+  int id;
+};
+
+const DataResource kDataResources[] = {

[darin (slow to review), 2015/01/13 19:29:58]

nit: I'd probably move this out to a separate file for clarity as
blink_platform_impl.cc could otherwise grow very large if every function
implementation added a little bit of code like this CL does.

+    {"html.css", IDR_UASTYLE_HTML_CSS},
+    {"quirks.css", IDR_UASTYLE_QUIRKS_CSS},
+    {"view-source.css", IDR_UASTYLE_VIEW_SOURCE_CSS},
+    {"themeChromium.css", IDR_UASTYLE_THEME_CHROMIUM_CSS},
+#if defined(OS_ANDROID)
+    {"themeChromiumAndroid.css", IDR_UASTYLE_THEME_CHROMIUM_ANDROID_CSS},
+    {"mediaControlsAndroid.css", IDR_UASTYLE_MEDIA_CONTROLS_ANDROID_CSS},
+#endif
+#if defined(OS_LINUX)
+    {"themeChromiumLinux.css", IDR_UASTYLE_THEME_CHROMIUM_LINUX_CSS},
+#endif
+    {"themeChromiumSkia.css", IDR_UASTYLE_THEME_CHROMIUM_SKIA_CSS},
+    {"themeInputMultipleFields.css",
+     IDR_UASTYLE_THEME_INPUT_MULTIPLE_FIELDS_CSS},
+#if defined(OS_MACOSX)
+    {"themeMac.css", IDR_UASTYLE_THEME_MAC_CSS},
+#endif
+    {"themeWin.css", IDR_UASTYLE_THEME_WIN_CSS},
+    {"themeWinQuirks.css", IDR_UASTYLE_THEME_WIN_QUIRKS_CSS},
+    {"svg.css", IDR_UASTYLE_SVG_CSS},
+    {"navigationTransitions.css", IDR_UASTYLE_NAVIGATION_TRANSITIONS_CSS},
+    {"mathml.css", IDR_UASTYLE_MATHML_CSS},
+    {"mediaControls.css", IDR_UASTYLE_MEDIA_CONTROLS_CSS},
+    {"fullscreen.css", IDR_UASTYLE_FULLSCREEN_CSS},
+    {"xhtmlmp.css", IDR_UASTYLE_XHTMLMP_CSS},
+    {"viewportAndroid.css", IDR_UASTYLE_VIEWPORT_ANDROID_CSS},
+    {"InspectorOverlayPage.html", IDR_INSPECTOR_OVERLAY_PAGE_HTML},
+    {"InjectedScriptCanvasModuleSource.js",
+     IDR_INSPECTOR_INJECTED_SCRIPT_CANVAS_MODULE_SOURCE_JS},
+    {"InjectedScriptSource.js", IDR_INSPECTOR_INJECTED_SCRIPT_SOURCE_JS},
+    {"DebuggerScriptSource.js", IDR_INSPECTOR_DEBUGGER_SCRIPT_SOURCE_JS},
+    {"DocumentExecCommand.js", IDR_PRIVATE_SCRIPT_DOCUMENTEXECCOMMAND_JS},
+    {"DocumentXMLTreeViewer.css", IDR_PRIVATE_SCRIPT_DOCUMENTXMLTREEVIEWER_CSS},
+    {"DocumentXMLTreeViewer.js", IDR_PRIVATE_SCRIPT_DOCUMENTXMLTREEVIEWER_JS},
+    {"HTMLMarqueeElement.js", IDR_PRIVATE_SCRIPT_HTMLMARQUEEELEMENT_JS},
+    {"PluginPlaceholderElement.js",
+     IDR_PRIVATE_SCRIPT_PLUGINPLACEHOLDERELEMENT_JS},
+    {"PrivateScriptRunner.js", IDR_PRIVATE_SCRIPT_PRIVATESCRIPTRUNNER_JS},
+#ifdef IDR_PICKER_COMMON_JS
+    {"pickerCommon.js", IDR_PICKER_COMMON_JS},
+    {"pickerCommon.css", IDR_PICKER_COMMON_CSS},
+    {"calendarPicker.js", IDR_CALENDAR_PICKER_JS},
+    {"calendarPicker.css", IDR_CALENDAR_PICKER_CSS},
+    {"pickerButton.css", IDR_PICKER_BUTTON_CSS},
+    {"suggestionPicker.js", IDR_SUGGESTION_PICKER_JS},
+    {"suggestionPicker.css", IDR_SUGGESTION_PICKER_CSS},
+    {"colorSuggestionPicker.js", IDR_COLOR_SUGGESTION_PICKER_JS},
+    {"colorSuggestionPicker.css", IDR_COLOR_SUGGESTION_PICKER_CSS}
+#endif
+};
+
 class WebWaitableEventImpl : public blink::WebWaitableEvent {
  public:
   WebWaitableEventImpl() : impl_(new base::WaitableEvent(false, false)) {}
   virtual ~WebWaitableEventImpl() {}
 
   virtual void wait() { impl_->Wait(); }
   virtual void signal() { impl_->Signal(); }
 
   base::WaitableEvent* impl() {
     return impl_.get();
@@ skipping 98 matching lines @@
 blink::WebScrollbarBehavior* BlinkPlatformImpl::scrollbarBehavior() {
   return &scrollbar_behavior_;
 }
 
 const unsigned char* BlinkPlatformImpl::getTraceCategoryEnabledFlag(
     const char* category_name) {
   static const unsigned char buf[] = "*";
   return buf;
 }
 
+blink::WebData BlinkPlatformImpl::loadResource(const char* resource) {
+  for (size_t i = 0; i < arraysize(kDataResources); ++i) {
+    if (!strcmp(resource, kDataResources[i].name)) {
+      int length;
+      const char* data =
+          blink_resource_map_.GetResource(kDataResources[i].id, &length);
+      CHECK(data != nullptr && length > 0);
+      return blink::WebData(data, length);
+    }
+  }
+  NOTREACHED() << "Requested resource is unavailable!";
+  return blink::WebData();
+}
+
 blink::WebURLLoader* BlinkPlatformImpl::createURLLoader() {
   return NULL;
 }
 
 blink::WebSocketHandle* BlinkPlatformImpl::createWebSocketHandle() {
   return NULL;
 }
 
 blink::WebString BlinkPlatformImpl::userAgent() {
   return blink::WebString::fromUTF8(kUserAgentString);
@@ skipping 64 matching lines @@
 }
 
 // static
 void BlinkPlatformImpl::DestroyCurrentThread(void* thread) {
   WebThreadImplForMessageLoop* impl =
       static_cast<WebThreadImplForMessageLoop*>(thread);
   delete impl;
 }
 
 }  // namespace html_viewer