android_webview/renderer/aw_content_renderer_client.cc

   1 // Copyright 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 "android_webview/renderer/aw_content_renderer_client.h"
   6
   7 #include <vector>
   8
   9 #include "android_webview/common/aw_resource.h"
  10 #include "android_webview/common/render_view_messages.h"
  11 #include "android_webview/common/url_constants.h"
  12 #include "android_webview/grit/aw_renderer_resources.h"
  13 #include "android_webview/renderer/aw_content_settings_client.h"
  14 #include "android_webview/renderer/aw_key_systems.h"
  15 #include "android_webview/renderer/aw_message_port_client.h"
  16 #include "android_webview/renderer/aw_print_web_view_helper_delegate.h"
  17 #include "android_webview/renderer/aw_render_frame_ext.h"
  18 #include "android_webview/renderer/aw_render_view_ext.h"
  19 #include "android_webview/renderer/print_render_frame_observer.h"
  20 #include "base/i18n/rtl.h"
  21 #include "base/message_loop/message_loop.h"
  22 #include "base/strings/string_util.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "components/autofill/content/renderer/autofill_agent.h"
  25 #include "components/autofill/content/renderer/password_autofill_agent.h"
  26 #include "components/printing/renderer/print_web_view_helper.h"
  27 #include "components/visitedlink/renderer/visitedlink_slave.h"
  28 #include "content/public/common/url_constants.h"
  29 #include "content/public/renderer/render_frame.h"
  30 #include "content/public/renderer/render_thread.h"
  31 #include "content/public/renderer/render_view.h"
  32 #include "net/base/escape.h"
  33 #include "net/base/net_errors.h"
  34 #include "third_party/WebKit/public/platform/WebString.h"
  35 #include "third_party/WebKit/public/platform/WebURL.h"
  36 #include "third_party/WebKit/public/platform/WebURLError.h"
  37 #include "third_party/WebKit/public/platform/WebURLRequest.h"
  38 #include "third_party/WebKit/public/web/WebFrame.h"
  39 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
  40 #include "ui/base/l10n/l10n_util.h"
  41 #include "ui/base/resource/resource_bundle.h"
  42 #include "url/gurl.h"
  43 #include "url/url_constants.h"
  44
  45 using content::RenderThread;
  46
  47 namespace android_webview {
  48
  49 AwContentRendererClient::AwContentRendererClient() {
  50 }
  51
  52 AwContentRendererClient::~AwContentRendererClient() {
  53 }
  54
  55 void AwContentRendererClient::RenderThreadStarted() {
  56   blink::WebString content_scheme(base::ASCIIToUTF16(url::kContentScheme));
  57   blink::WebSecurityPolicy::registerURLSchemeAsLocal(content_scheme);
  58
  59   blink::WebString aw_scheme(
  60       base::ASCIIToUTF16(android_webview::kAndroidWebViewVideoPosterScheme));
  61   blink::WebSecurityPolicy::registerURLSchemeAsSecure(aw_scheme);
  62
  63   RenderThread* thread = RenderThread::Get();
  64
  65   aw_render_process_observer_.reset(new AwRenderProcessObserver);
  66   thread->AddObserver(aw_render_process_observer_.get());
  67
  68   visited_link_slave_.reset(new visitedlink::VisitedLinkSlave);
  69   thread->AddObserver(visited_link_slave_.get());
  70 }
  71
  72 void AwContentRendererClient::RenderFrameCreated(
  73     content::RenderFrame* render_frame) {
  74   new AwContentSettingsClient(render_frame);
  75   new PrintRenderFrameObserver(render_frame);
  76   new AwRenderFrameExt(render_frame);
  77   new AwMessagePortClient(render_frame);
  78
  79   // TODO(jam): when the frame tree moves into content and parent() works at
  80   // RenderFrame construction, simplify this by just checking parent().
  81   content::RenderFrame* parent_frame =
  82       render_frame->GetRenderView()->GetMainRenderFrame();
  83   if (parent_frame && parent_frame != render_frame) {
  84     // Avoid any race conditions from having the browser's UI thread tell the IO
  85     // thread that a subframe was created.
  86     RenderThread::Get()->Send(new AwViewHostMsg_SubFrameCreated(
  87         parent_frame->GetRoutingID(), render_frame->GetRoutingID()));
  88   }
  89
  90   // TODO(sgurun) do not create a password autofill agent (change
  91   // autofill agent to store a weakptr).
  92   autofill::PasswordAutofillAgent* password_autofill_agent =
  93       new autofill::PasswordAutofillAgent(render_frame);
  94   new autofill::AutofillAgent(render_frame, password_autofill_agent, NULL);
  95 }
  96
  97 void AwContentRendererClient::RenderViewCreated(
  98     content::RenderView* render_view) {
  99   AwRenderViewExt::RenderViewCreated(render_view);
 100
 101   new printing::PrintWebViewHelper(
 102       render_view,
 103       scoped_ptr<printing::PrintWebViewHelper::Delegate>(
 104           new AwPrintWebViewHelperDelegate()));
 105 }
 106
 107 bool AwContentRendererClient::HasErrorPage(int http_status_code,
 108                           std::string* error_domain) {
 109   return http_status_code >= 400;
 110 }
 111
 112 void AwContentRendererClient::GetNavigationErrorStrings(
 113     content::RenderView* /* render_view */,
 114     blink::WebFrame* /* frame */,
 115     const blink::WebURLRequest& failed_request,
 116     const blink::WebURLError& error,
 117     std::string* error_html,
 118     base::string16* error_description) {
 119   if (error_html) {
 120     std::string url =
 121         net::EscapeForHTML(GURL(failed_request.url()).possibly_invalid_spec());
 122     std::string err =
 123         base::UTF16ToUTF8(base::StringPiece16(error.localizedDescription));
 124
 125     std::vector<std::string> replacements;
 126     replacements.push_back(
 127         l10n_util::GetStringUTF8(IDS_AW_WEBPAGE_NOT_AVAILABLE));
 128     if (err.empty()) {
 129       replacements.push_back(l10n_util::GetStringFUTF8(
 130           IDS_AW_WEBPAGE_TEMPORARILY_DOWN, base::UTF8ToUTF16(url)));
 131       replacements.push_back(
 132           l10n_util::GetStringUTF8(IDS_AW_WEBPAGE_DOWN_SUGGESTIONS));
 133     } else {
 134       replacements.push_back(l10n_util::GetStringFUTF8(
 135           IDS_AW_WEBPAGE_CAN_NOT_BE_LOADED, base::UTF8ToUTF16(url)));
 136       replacements.push_back(err);
 137     }
 138     if (base::i18n::IsRTL())
 139       replacements.push_back("direction: rtl;");
 140     else
 141       replacements.push_back("");
 142     *error_html = base::ReplaceStringPlaceholders(
 143         ResourceBundle::GetSharedInstance().GetRawDataResource(
 144             IDR_AW_LOAD_ERROR_HTML),
 145         replacements, nullptr);
 146   }
 147   if (error_description) {
 148     if (error.localizedDescription.isEmpty())
 149       *error_description = base::ASCIIToUTF16(net::ErrorToString(error.reason));
 150     else
 151       *error_description = error.localizedDescription;
 152   }
 153 }
 154
 155 unsigned long long AwContentRendererClient::VisitedLinkHash(
 156     const char* canonical_url,
 157     size_t length) {
 158   return visited_link_slave_->ComputeURLFingerprint(canonical_url, length);
 159 }
 160
 161 bool AwContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
 162   return visited_link_slave_->IsVisited(link_hash);
 163 }
 164
 165 void AwContentRendererClient::AddKeySystems(
 166     std::vector<media::KeySystemInfo>* key_systems) {
 167   AwAddKeySystems(key_systems);
 168 }
 169
 170 bool AwContentRendererClient::ShouldOverridePageVisibilityState(
 171     const content::RenderFrame* render_frame,
 172     blink::WebPageVisibilityState* override_state) {
 173   // webview is always visible due to rendering requirements.
 174   *override_state = blink::WebPageVisibilityStateVisible;
 175   return true;
 176 }
 177
 178 }  // namespace android_webview