capture_mode: Add notification for screen capture.

Currently notification code is not wired up yet.

Bug: 1115153
Change-Id: I4ec6456e86623d8236065336ec2658709f005b83
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354558Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Commit-Queue: Xiaoqian Dai <xdai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798773}

ash/ash_strings.grd

@@ -2631,6 +2631,32 @@ Here are some things you can try to get started.
       <message name="IDS_ASH_AMBIENT_MODE_WEATHER_TEMPERATURE_IN_CELSIUS" desc="Text of the weather temperature in Celsius.">
         <ph name="TEMPERATURE_C">$1<ex>25</ex></ph>° C
       </message>
+
+      <!-- Capture Mode -->
+      <message name="IDS_ASH_SCREEN_CAPTURE_DISPLAY_SOURCE" desc="The name that is the display source of the screen capture notification.">
+        Screen capture
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_SCREENSHOT_TITLE" desc="The title of the notificaton which shows after a screenshot is taken.">
+        Screenshot taken and saved to clipboard
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_RECORDING_TITLE" desc="The titile of the notification which shows after a screen recording is taken.">
+        Screen recording taken
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_MESSAGE" desc="The message shows in the screenshot or screen recording notification.">
+        Show in folder
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_BUTTON_SHARE" desc="The share button label for the screen capture notifiction.">
+        Share
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_BUTTON_EDIT" desc="The edit button label for the screen catpure notification.">
+        Edit
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_BUTTON_FLOAT_ON_TOP" desc="The float-on-top button label for the screen capture notification.">
+        Float on top
+      </message>
+      <message name="IDS_ASH_SCREEN_CAPTURE_BUTTON_DELETE" desc="The delete button label for the screen capture notificaiton.">
+        Delete
+      </message>
     </messages>
   </release>
 </grit>

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_BUTTON_DELETE.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_BUTTON_EDIT.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_BUTTON_FLOAT_ON_TOP.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_BUTTON_SHARE.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_DISPLAY_SOURCE.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_MESSAGE.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_RECORDING_TITLE.png.sha1

+e4eb54cf5552f9a578ea7abfdf4dd24fca15e500
\ No newline at end of file

ash/ash_strings_grd/IDS_ASH_SCREEN_CAPTURE_SCREENSHOT_TITLE.png.sha1

+ac998dc1c50f46552c283f30c1d784b214f3f799
\ No newline at end of file

ash/capture_mode/capture_mode_controller.cc

@@ -8,9 +8,19 @@
 #include <utility>
 
 #include "ash/capture_mode/capture_mode_session.h"
+#include "ash/public/cpp/capture_mode_delegate.h"
+#include "ash/public/cpp/notification_utils.h"
+#include "ash/resources/vector_icons/vector_icons.h"
 #include "ash/shell.h"
+#include "ash/strings/grit/ash_strings.h"
 #include "base/check.h"
 #include "base/check_op.h"
+#include "base/files/file_path.h"
+#include "base/memory/scoped_refptr.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/message_center/message_center.h"
+#include "ui/message_center/public/cpp/notification.h"
+#include "ui/message_center/public/cpp/notification_delegate.h"
 
 namespace ash {
 
@@ -18,6 +28,17 @@ namespace {
 
 CaptureModeController* g_instance = nullptr;
 
+const char kScreenCaptureNotificationId[] = "capture_mode_notification";
+const char kScreenCaptureNotifierId[] = "ash.capture_mode_controller";
+
+// The notification button index.
+enum NotificationButtonIndex {
+  BUTTON_SHARE = 0,
+  BUTTON_EDIT,
+  BUTTON_FLOAT_ON_TOP,
+  BUTTON_DELETE,
+};
+
 }  // namespace
 
 CaptureModeController::CaptureModeController(
@@ -80,4 +101,80 @@ void CaptureModeController::EndVideoRecording() {
   // TODO(afakhry): Fill in here.
 }
 
+void CaptureModeController::ShowNotification(
+    const base::FilePath& screen_capture_path) {
+  const base::string16 title =
+      l10n_util::GetStringUTF16(type_ == CaptureModeType::kImage
+                                    ? IDS_ASH_SCREEN_CAPTURE_SCREENSHOT_TITLE
+                                    : IDS_ASH_SCREEN_CAPTURE_RECORDING_TITLE);
+  const base::string16 message =
+      l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_MESSAGE);
+
+  message_center::RichNotificationData optional_field;
+  message_center::ButtonInfo share_button(
+      l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_BUTTON_SHARE));
+  optional_field.buttons.push_back(share_button);
+  message_center::ButtonInfo edit_button(
+      l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_BUTTON_EDIT));
+  optional_field.buttons.push_back(edit_button);
+  message_center::ButtonInfo float_on_top_button(
+      l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_BUTTON_FLOAT_ON_TOP));
+  optional_field.buttons.push_back(float_on_top_button);
+  message_center::ButtonInfo delete_button(
+      l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_BUTTON_DELETE));
+  optional_field.buttons.push_back(delete_button);
+
+  // TODO: Assign image for screenshot or screenrecording preview. For now it's
+  // an empty image.
+  optional_field.image = gfx::Image();
+
+  std::unique_ptr<message_center::Notification> notification =
+      CreateSystemNotification(
+          message_center::NOTIFICATION_TYPE_IMAGE, kScreenCaptureNotificationId,
+          title, message,
+          l10n_util::GetStringUTF16(IDS_ASH_SCREEN_CAPTURE_DISPLAY_SOURCE),
+          GURL(),
+          message_center::NotifierId(
+              message_center::NotifierType::SYSTEM_COMPONENT,
+              kScreenCaptureNotifierId),
+          optional_field,
+          base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
+              base::BindRepeating(
+                  &CaptureModeController::HandleNotificationClicked,
+                  weak_ptr_factory_.GetWeakPtr(), screen_capture_path)),
+          kCaptureModeIcon,
+          message_center::SystemNotificationWarningLevel::NORMAL);
+
+  // Remove the previous notification before showing the new one if there is
+  // one.
+  message_center::MessageCenter::Get()->RemoveNotification(
+      kScreenCaptureNotificationId, /*by_user=*/false);
+  message_center::MessageCenter::Get()->AddNotification(
+      std::move(notification));
+}
+
+void CaptureModeController::HandleNotificationClicked(
+    const base::FilePath& screen_capture_path,
+    base::Optional<int> button_index) {
+  if (!button_index.has_value()) {
+    // Show the item in the folder.
+    delegate_->ShowScreenCaptureItemInFolder(screen_capture_path);
+    message_center::MessageCenter::Get()->RemoveNotification(
+        kScreenCaptureNotificationId, /*by_user=*/false);
+    return;
+  }
+
+  // TODO: fill in here.
+  switch (button_index.value()) {
+    case NotificationButtonIndex::BUTTON_SHARE:
+      break;
+    case NotificationButtonIndex::BUTTON_EDIT:
+      break;
+    case NotificationButtonIndex::BUTTON_FLOAT_ON_TOP:
+      break;
+    case NotificationButtonIndex::BUTTON_DELETE:
+      break;
+  }
+}
+
 }  // namespace ash

ash/capture_mode/capture_mode_controller.h

@@ -10,6 +10,7 @@
 #include "ash/ash_export.h"
 #include "ash/capture_mode/capture_mode_types.h"
 #include "ash/public/cpp/capture_mode_delegate.h"
+#include "base/memory/weak_ptr.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ash {
@@ -61,6 +62,11 @@ class ASH_EXPORT CaptureModeController {
   void EndVideoRecording();
 
  private:
+  // Show notification for the newly taken screenshot or screen recording.
+  void ShowNotification(const base::FilePath& screen_capture_path);
+  void HandleNotificationClicked(const base::FilePath& screen_capture_path,
+                                 base::Optional<int> button_index);
+
   std::unique_ptr<CaptureModeDelegate> delegate_;
 
   CaptureModeType type_ = CaptureModeType::kImage;
@@ -72,6 +78,8 @@ class ASH_EXPORT CaptureModeController {
   gfx::Rect user_capture_region_;
 
   std::unique_ptr<CaptureModeSession> capture_mode_session_;
+
+  base::WeakPtrFactory<CaptureModeController> weak_ptr_factory_{this};
 };
 
 }  // namespace ash

ash/capture_mode/test_capture_mode_delegate.cc

@@ -13,4 +13,7 @@ base::FilePath TestCaptureModeDelegate::GetActiveUserDownloadsDir() const {
   return base::FilePath();
 }
 
+void TestCaptureModeDelegate::ShowScreenCaptureItemInFolder(
+    const base::FilePath& file_path) {}
+
 }  // namespace ash

ash/capture_mode/test_capture_mode_delegate.h

@@ -18,6 +18,7 @@ class TestCaptureModeDelegate : public CaptureModeDelegate {
 
   // CaptureModeDelegate:
   base::FilePath GetActiveUserDownloadsDir() const override;
+  void ShowScreenCaptureItemInFolder(const base::FilePath& file_path) override;
 };
 
 }  // namespace ash

ash/public/cpp/capture_mode_delegate.h

@@ -23,6 +23,10 @@ class ASH_PUBLIC_EXPORT CaptureModeDelegate {
   // Returns the path to the active user's downloads directory. This will never
   // be called if the user is not logged in.
   virtual base::FilePath GetActiveUserDownloadsDir() const = 0;
+
+  // Shows the screenshot or screen recording item in the screen capture folder.
+  virtual void ShowScreenCaptureItemInFolder(
+      const base::FilePath& file_path) = 0;
 };
 
 }  // namespace ash

chrome/browser/ui/ash/chrome_capture_mode_delegate.cc

@@ -6,6 +6,7 @@
 
 #include "base/files/file_path.h"
 #include "chrome/browser/download/download_prefs.h"
+#include "chrome/browser/platform_util.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chromeos/login/login_state/login_state.h"
 
@@ -19,3 +20,9 @@ base::FilePath ChromeCaptureModeDelegate::GetActiveUserDownloadsDir() const {
       DownloadPrefs::FromBrowserContext(ProfileManager::GetActiveUserProfile());
   return download_prefs->DownloadPath();
 }
+
+void ChromeCaptureModeDelegate::ShowScreenCaptureItemInFolder(
+    const base::FilePath& file_path) {
+  platform_util::ShowItemInFolder(ProfileManager::GetActiveUserProfile(),
+                                  file_path);
+}

chrome/browser/ui/ash/chrome_capture_mode_delegate.h

@@ -19,6 +19,7 @@ class ChromeCaptureModeDelegate : public ash::CaptureModeDelegate {
 
   // ash::CaptureModeDelegate:
   base::FilePath GetActiveUserDownloadsDir() const override;
+  void ShowScreenCaptureItemInFolder(const base::FilePath& file_path) override;
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_CHROME_CAPTURE_MODE_DELEGATE_H_