content/renderer/browser_plugin/browser_plugin_manager.cc

   1 // Copyright (c) 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 "content/renderer/browser_plugin/browser_plugin_manager.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "content/common/browser_plugin/browser_plugin_constants.h"
   9 #include "content/public/renderer/browser_plugin_delegate.h"
  10 #include "content/public/renderer/render_thread.h"
  11 #include "content/renderer/browser_plugin/browser_plugin.h"
  12
  13 namespace content {
  14
  15 // static
  16 BrowserPluginManager* BrowserPluginManager::Create(
  17     RenderViewImpl* render_view) {
  18   return new BrowserPluginManager(render_view);
  19 }
  20
  21 BrowserPluginManager::BrowserPluginManager(RenderViewImpl* render_view)
  22     : RenderViewObserver(render_view),
  23       current_instance_id_(browser_plugin::kInstanceIDNone),
  24       render_view_(render_view->AsWeakPtr()) {
  25 }
  26
  27 BrowserPluginManager::~BrowserPluginManager() {
  28 }
  29
  30 void BrowserPluginManager::AddBrowserPlugin(
  31     int browser_plugin_instance_id,
  32     BrowserPlugin* browser_plugin) {
  33   instances_.AddWithID(browser_plugin, browser_plugin_instance_id);
  34 }
  35
  36 void BrowserPluginManager::RemoveBrowserPlugin(int browser_plugin_instance_id) {
  37   instances_.Remove(browser_plugin_instance_id);
  38 }
  39
  40 BrowserPlugin* BrowserPluginManager::GetBrowserPlugin(
  41     int browser_plugin_instance_id) const {
  42   return instances_.Lookup(browser_plugin_instance_id);
  43 }
  44
  45 int BrowserPluginManager::GetNextInstanceID() {
  46   return ++current_instance_id_;
  47 }
  48
  49 void BrowserPluginManager::UpdateDeviceScaleFactor() {
  50   IDMap<BrowserPlugin>::iterator iter(&instances_);
  51   while (!iter.IsAtEnd()) {
  52     iter.GetCurrentValue()->UpdateDeviceScaleFactor();
  53     iter.Advance();
  54   }
  55 }
  56
  57 void BrowserPluginManager::UpdateFocusState() {
  58   IDMap<BrowserPlugin>::iterator iter(&instances_);
  59   while (!iter.IsAtEnd()) {
  60     iter.GetCurrentValue()->UpdateGuestFocusState();
  61     iter.Advance();
  62   }
  63 }
  64
  65 void BrowserPluginManager::Attach(int browser_plugin_instance_id) {
  66   BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
  67   if (plugin)
  68     plugin->Attach();
  69 }
  70
  71 BrowserPlugin* BrowserPluginManager::CreateBrowserPlugin(
  72     RenderViewImpl* render_view,
  73     blink::WebFrame* frame,
  74     scoped_ptr<BrowserPluginDelegate> delegate) {
  75   return new BrowserPlugin(render_view, frame, delegate.Pass());
  76 }
  77
  78 void BrowserPluginManager::DidCommitCompositorFrame() {
  79   IDMap<BrowserPlugin>::iterator iter(&instances_);
  80   while (!iter.IsAtEnd()) {
  81     iter.GetCurrentValue()->DidCommitCompositorFrame();
  82     iter.Advance();
  83   }
  84 }
  85
  86 bool BrowserPluginManager::OnMessageReceived(
  87     const IPC::Message& message) {
  88   if (BrowserPlugin::ShouldForwardToBrowserPlugin(message)) {
  89     int browser_plugin_instance_id = browser_plugin::kInstanceIDNone;
  90     // All allowed messages must have |browser_plugin_instance_id| as their
  91     // first parameter.
  92     PickleIterator iter(message);
  93     bool success = iter.ReadInt(&browser_plugin_instance_id);
  94     DCHECK(success);
  95     BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
  96     if (plugin && plugin->OnMessageReceived(message))
  97       return true;
  98   }
  99
 100   return false;
 101 }
 102
 103 bool BrowserPluginManager::Send(IPC::Message* msg) {
 104   return RenderThread::Get()->Send(msg);
 105 }
 106
 107 }  // namespace content