chrome/renderer/banners/app_banner_client.cc

   1 // Copyright 2015 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/banners/app_banner_client.h"
   6
   7 #include "chrome/common/render_messages.h"
   8 #include "ipc/ipc_message.h"
   9 #include "third_party/WebKit/public/platform/WebString.h"
  10
  11 using blink::WebString;
  12
  13 AppBannerClient::AppBannerClient(content::RenderFrame* render_frame)
  14     : content::RenderFrameObserver(render_frame) {
  15 }
  16
  17 AppBannerClient::~AppBannerClient() {
  18 }
  19
  20 void AppBannerClient::OnDestruct() {
  21   // The RenderFrameImpl destructor calls RenderFrameObserver::OnDestruct, which
  22   // deletes this object. However, RenderFrameImpl also holds a scoped pointer
  23   // to AppBannerClient. Override OnDestruct to be a no-op to stop a double call
  24   // to the destructor and a renderer crash.
  25 }
  26
  27 bool AppBannerClient::OnMessageReceived(const IPC::Message& message) {
  28   bool handled = true;
  29   IPC_BEGIN_MESSAGE_MAP(AppBannerClient, message)
  30     IPC_MESSAGE_HANDLER(ChromeViewMsg_AppBannerAccepted, OnBannerAccepted);
  31     IPC_MESSAGE_HANDLER(ChromeViewMsg_AppBannerDismissed, OnBannerDismissed);
  32     IPC_MESSAGE_UNHANDLED(handled = false)
  33   IPC_END_MESSAGE_MAP()
  34   return handled;
  35 }
  36
  37 void AppBannerClient::registerBannerCallbacks(
  38     int request_id,
  39     blink::WebAppBannerCallbacks* callbacks) {
  40   banner_callbacks_.AddWithID(callbacks, request_id);
  41 }
  42
  43 void AppBannerClient::showAppBanner(int request_id) {
  44   Send(new ChromeViewHostMsg_RequestShowAppBanner(routing_id(), request_id));
  45 }
  46
  47 void AppBannerClient::ResolveEvent(
  48     int request_id,
  49     const std::string& platform,
  50     const blink::WebAppBannerPromptResult::Outcome& outcome) {
  51   blink::WebAppBannerCallbacks* callbacks =
  52       banner_callbacks_.Lookup(request_id);
  53   if (!callbacks)
  54     return;
  55
  56   scoped_ptr<blink::WebAppBannerPromptResult> result(
  57       new blink::WebAppBannerPromptResult(
  58         blink::WebString::fromUTF8(platform),
  59         outcome));
  60   callbacks->onSuccess(result.release());
  61   banner_callbacks_.Remove(request_id);
  62 }
  63
  64 void AppBannerClient::OnBannerAccepted(int request_id,
  65                                         const std::string& platform) {
  66   ResolveEvent(request_id, platform,
  67                blink::WebAppBannerPromptResult::Outcome::Accepted);
  68 }
  69
  70 void AppBannerClient::OnBannerDismissed(int request_id) {
  71   ResolveEvent(request_id, "",
  72                blink::WebAppBannerPromptResult::Outcome::Dismissed);
  73 }