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/lazy_instance.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/threading/thread_local.h"
  10 #include "base/values.h"
  11 #include "content/common/browser_plugin/browser_plugin_constants.h"
  12 #include "content/public/renderer/render_thread.h"
  13 #include "content/renderer/browser_plugin/browser_plugin.h"
  14 #include "content/renderer/browser_plugin/browser_plugin_manager_factory.h"
  15 #include "content/renderer/browser_plugin/browser_plugin_manager_impl.h"
  16
  17 namespace content {
  18
  19 // static
  20 BrowserPluginManagerFactory* BrowserPluginManager::factory_ = NULL;
  21
  22 BrowserPluginManager* BrowserPluginManager::Create(
  23     RenderViewImpl* render_view) {
  24   if (factory_)
  25     return factory_->CreateBrowserPluginManager(render_view);
  26   return new BrowserPluginManagerImpl(render_view);
  27 }
  28
  29 BrowserPluginManager::BrowserPluginManager(RenderViewImpl* render_view)
  30     : RenderViewObserver(render_view),
  31       current_instance_id_(browser_plugin::kInstanceIDNone),
  32       render_view_(render_view->AsWeakPtr()) {
  33 }
  34
  35 BrowserPluginManager::~BrowserPluginManager() {
  36 }
  37
  38 void BrowserPluginManager::AddBrowserPlugin(
  39     int browser_plugin_instance_id,
  40     BrowserPlugin* browser_plugin) {
  41   instances_.AddWithID(browser_plugin, browser_plugin_instance_id);
  42 }
  43
  44 void BrowserPluginManager::RemoveBrowserPlugin(int browser_plugin_instance_id) {
  45   instances_.Remove(browser_plugin_instance_id);
  46 }
  47
  48 BrowserPlugin* BrowserPluginManager::GetBrowserPlugin(
  49     int browser_plugin_instance_id) const {
  50   return instances_.Lookup(browser_plugin_instance_id);
  51 }
  52
  53 int BrowserPluginManager::GetNextInstanceID() {
  54   return ++current_instance_id_;
  55 }
  56
  57 void BrowserPluginManager::UpdateDeviceScaleFactor(float device_scale_factor) {
  58   IDMap<BrowserPlugin>::iterator iter(&instances_);
  59   while (!iter.IsAtEnd()) {
  60     iter.GetCurrentValue()->UpdateDeviceScaleFactor(device_scale_factor);
  61     iter.Advance();
  62   }
  63 }
  64
  65 void BrowserPluginManager::UpdateFocusState() {
  66   IDMap<BrowserPlugin>::iterator iter(&instances_);
  67   while (!iter.IsAtEnd()) {
  68     iter.GetCurrentValue()->UpdateGuestFocusState();
  69     iter.Advance();
  70   }
  71 }
  72
  73 void BrowserPluginManager::Attach(int browser_plugin_instance_id) {
  74   BrowserPlugin* plugin = GetBrowserPlugin(browser_plugin_instance_id);
  75   if (plugin)
  76     plugin->Attach();
  77 }
  78
  79 }  // namespace content