Revert 98888 - Web Intent Picker UI (implemented as a constrained dialog, linux only)

chrome/browser/ui/intents/web_intent_picker_controller.cc

-// Copyright (c) 2011 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 "chrome/browser/ui/intents/web_intent_picker_controller.h"
-
-#include <vector>
-
-#include "chrome/browser/favicon/favicon_service.h"
-#include "chrome/browser/intents/web_intent_data.h"
-#include "chrome/browser/intents/web_intents_registry.h"
-#include "chrome/browser/intents/web_intents_registry_factory.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/intents/web_intent_picker.h"
-#include "chrome/browser/ui/intents/web_intent_picker_factory.h"
-#include "chrome/browser/webdata/web_data_service.h"
-#include "content/browser/tab_contents/tab_contents.h"
-#include "content/common/notification_source.h"
-#include "ui/gfx/codec/png_codec.h"
-
-namespace {
-
-// Gets the favicon service for the profile in |tab_contents|.
-FaviconService* GetFaviconService(TabContents* tab_contents) {
-  Profile* profile = Profile::FromBrowserContext(
-      tab_contents->browser_context());
-  return profile->GetFaviconService(Profile::EXPLICIT_ACCESS);
-}
-
-// Gets the web intents registry for the profile in |tab_contents|.
-WebIntentsRegistry* GetWebIntentsRegistry(TabContents* tab_contents) {
-  Profile* profile = Profile::FromBrowserContext(
-      tab_contents->browser_context());
-  return WebIntentsRegistryFactory::GetForProfile(profile);
-}
-
-}  // namespace
-
-// A class that asynchronously fetches web intent data from the web intents
-// registry.
-class WebIntentPickerController::WebIntentDataFetcher
-    : public WebIntentsRegistry::Consumer {
- public:
-  WebIntentDataFetcher(WebIntentPickerController* controller,
-                       WebIntentsRegistry* web_intents_registry);
-  ~WebIntentDataFetcher();
-
-  // Asynchronously fetches WebIntentData for the given |action| |type| pair.
-  void Fetch(const string16& action, const string16& type);
-
-  // Cancels the WebDataService request.
-  void Cancel();
-
- private:
-  // WebIntentsRegistry::Consumer implementation.
-  virtual void OnIntentsQueryDone(
-      WebIntentsRegistry::QueryID,
-      const std::vector<WebIntentData>& intents) OVERRIDE;
-
-  // A weak pointer to the picker controller.
-  WebIntentPickerController* controller_;
-
-  // A weak pointer to the web intents registry.
-  WebIntentsRegistry* web_intents_registry_;
-
-  // The ID of the current web intents request. The value will be -1 if
-  // there is no request in flight.
-  WebIntentsRegistry::QueryID query_id_;
-};
-
-// A class that asynchronously fetches favicons for a vector of URLs.
-class WebIntentPickerController::FaviconFetcher {
- public:
-  FaviconFetcher(WebIntentPickerController* controller,
-                 FaviconService *favicon_service);
-  ~FaviconFetcher();
-
-  // Asynchronously fetches favicons for the each URL in |urls|.
-  void Fetch(const std::vector<GURL>& urls);
-
-  // Cancels all favicon requests.
-  void Cancel();
-
- private:
-  // Callback called when a favicon is received.
-  void OnFaviconDataAvailable(FaviconService::Handle handle,
-                              history::FaviconData favicon_data);
-
-  // A weak pointer to the picker controller.
-  WebIntentPickerController* controller_;
-
-  // A weak pointer to the favicon service.
-  FaviconService* favicon_service_;
-
-  // The Consumer to handle asynchronous favicon requests.
-  CancelableRequestConsumerTSimple<size_t> load_consumer_;
-
-  DISALLOW_COPY_AND_ASSIGN(FaviconFetcher);
-};
-
-WebIntentPickerController::WebIntentPickerController(
-    TabContents* tab_contents,
-    WebIntentPickerFactory* factory)
-        : tab_contents_(tab_contents),
-          picker_factory_(factory),
-          web_intent_data_fetcher_(
-              new WebIntentDataFetcher(this,
-                                       GetWebIntentsRegistry(tab_contents))),
-          favicon_fetcher_(
-              new FaviconFetcher(this, GetFaviconService(tab_contents))),
-          picker_(NULL),
-          pending_async_count_(0) {
-  NavigationController* controller = &tab_contents->controller();
-  registrar_.Add(this, content::NOTIFICATION_LOAD_START,
-                 Source<NavigationController>(controller));
-  registrar_.Add(this, content::NOTIFICATION_TAB_CLOSING,
-                 Source<NavigationController>(controller));
-}
-
-WebIntentPickerController::~WebIntentPickerController() {
-}
-
-void WebIntentPickerController::ShowDialog(const string16& action,
-                                           const string16& type) {
-  if (picker_ != NULL)
-    return;
-
-  picker_ = picker_factory_->Create(tab_contents_, this);
-
-  // TODO(binji) Remove this check when there are implementations of the picker
-  // for windows and mac.
-  if (picker_ == NULL)
-    return;
-
-  web_intent_data_fetcher_->Fetch(action, type);
-}
-
-void WebIntentPickerController::Observe(int type,
-                                        const NotificationSource& source,
-                                        const NotificationDetails& details) {
-  DCHECK(type == content::NOTIFICATION_LOAD_START ||
-         type == content::NOTIFICATION_TAB_CLOSING);
-  ClosePicker();
-}
-
-void WebIntentPickerController::OnServiceChosen(size_t index) {
-  DCHECK(index < urls_.size());
-
-  // TODO(binji) Send the chosen service back to the renderer.
-  LOG(INFO) << "Chose index: " << index << " url: " << urls_[index];
-  ClosePicker();
-}
-
-void WebIntentPickerController::OnCancelled() {
-  // TODO(binji) Tell the renderer that the intent was cancelled.
-  ClosePicker();
-}
-
-void WebIntentPickerController::OnWebIntentDataAvailable(
-    const std::vector<WebIntentData>& intent_data) {
-  urls_.clear();
-  for (size_t i = 0; i < intent_data.size(); ++i) {
-    urls_.push_back(intent_data[i].service_url);
-  }
-
-  // Tell the picker to initialize N urls to the default favicon
-  picker_->SetServiceURLs(urls_);
-  favicon_fetcher_->Fetch(urls_);
-  pending_async_count_--;
-}
-
-void WebIntentPickerController::OnFaviconDataAvailable(
-    size_t index,
-    const SkBitmap& icon_bitmap) {
-  picker_->SetServiceIcon(index, icon_bitmap);
-  pending_async_count_--;
-}
-
-void WebIntentPickerController::OnFaviconDataUnavailable(size_t index) {
-  picker_->SetDefaultServiceIcon(index);
-  pending_async_count_--;
-}
-
-void WebIntentPickerController::ClosePicker() {
-  if (picker_) {
-    picker_factory_->ClosePicker(picker_);
-    picker_ = NULL;
-  }
-}
-
-WebIntentPickerController::WebIntentDataFetcher::WebIntentDataFetcher(
-    WebIntentPickerController* controller,
-    WebIntentsRegistry* web_intents_registry)
-        : controller_(controller),
-          web_intents_registry_(web_intents_registry),
-          query_id_(-1) {
-}
-
-WebIntentPickerController::WebIntentDataFetcher::~WebIntentDataFetcher() {
-}
-
-void WebIntentPickerController::WebIntentDataFetcher::Fetch(
-    const string16& action,
-    const string16& type) {
-  DCHECK(query_id_ == -1) << "Fetch already in process.";
-  controller_->pending_async_count_++;
-  query_id_ = web_intents_registry_->GetIntentProviders(action, this);
-}
-
-void WebIntentPickerController::WebIntentDataFetcher::OnIntentsQueryDone(
-    WebIntentsRegistry::QueryID,
-    const std::vector<WebIntentData>& intents) {
-  controller_->OnWebIntentDataAvailable(intents);
-  query_id_ = -1;
-}
-
-WebIntentPickerController::FaviconFetcher::FaviconFetcher(
-    WebIntentPickerController* controller,
-    FaviconService* favicon_service)
-        : controller_(controller),
-          favicon_service_(favicon_service) {
-}
-
-WebIntentPickerController::FaviconFetcher::~FaviconFetcher() {
-}
-
-void WebIntentPickerController::FaviconFetcher::Fetch(
-    const std::vector<GURL>& urls) {
-  if (!favicon_service_)
-    return;
-
-  for (size_t index = 0; index < urls.size(); ++index) {
-    controller_->pending_async_count_++;
-    FaviconService::Handle handle = favicon_service_->GetFaviconForURL(
-        urls[index],
-        history::FAVICON,
-        &load_consumer_,
-        NewCallback(this, &WebIntentPickerController::FaviconFetcher::
-            OnFaviconDataAvailable));
-    load_consumer_.SetClientData(favicon_service_, handle, index);
-  }
-}
-
-void WebIntentPickerController::FaviconFetcher::Cancel() {
-  load_consumer_.CancelAllRequests();
-}
-
-void WebIntentPickerController::FaviconFetcher::OnFaviconDataAvailable(
-    FaviconService::Handle handle,
-    history::FaviconData favicon_data) {
-  size_t index = load_consumer_.GetClientDataForCurrentRequest();
-  if (favicon_data.is_valid()) {
-    SkBitmap icon_bitmap;
-
-    if (gfx::PNGCodec::Decode(favicon_data.image_data->front(),
-                              favicon_data.image_data->size(),
-                              &icon_bitmap)) {
-      controller_->OnFaviconDataAvailable(index, icon_bitmap);
-      return;
-    }
-  }
-
-  controller_->OnFaviconDataUnavailable(index);
-}